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* passes.c (init_optimization_passes): Put ipa reference
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-06-02  Jan Hubicka  <jh@suse.cz>
2
3         * passes.c (init_optimization_passes): Put ipa reference
4         after ipa pure-const.
5
6 2010-06-02  Jan Hubicka  <jh@suse.cz>
7
8         * ipa-reference.c (ipa_reference_local_vars_info_d): Remove
9         calls_read_all and calls_write_all.
10         (get_reference_optimization_summary): Fix formatting.
11         (is_proper_for_analysis): Check that decl is not readonly.
12         (propagate_bits): Check CONST/PURE/noreturn flags.
13         (ipa_init): Move all_module_statics to optimization_summary_obstack.
14         (analyze_function): Ignore indirect edges.
15         (copy_global_bitmap): For all module statics, do nothing.
16         (generate_summary): Do not print calls_read_all/calls_write_all.
17         (read_write_all_from_decl): Take node as argument; check
18         cgraph_node_cannot_return.
19         (propagate): Reorganize read_all/write_all computation;
20         check indirect edges; check ecf flags; use all_module_statics
21         in the results; do not free all_module_statics.
22         (stream_out_bitmap): Handle all_module_statics.
23         (ipa_reference_write_optimization_summary): Likewise; use
24         varpool/cgraph encoders to get boundaries.
25         (ipa_reference_read_optimization_summary): Read in all_module_statics;
26         use it when possible.
27
28 2010-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
29
30         PR target/44218
31         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete obsolete
32         -mswdiv option.  Add -mrecip, -mrecip=<xxx>, -mrecip-precision
33         options.
34
35         * doc/extend.texi (powerpc builtins): Document vec_recip,
36         vec_rsqrt, vec_rsqrte altivec/vsx builtins.
37
38         * config/rs6000/rs60000-protos.h (rs6000_emit_swdiv): New
39         function.
40         (rs6000_emit_swrsqrt): Ditto.
41         (rs6000_emit_swdivsf): Delete.
42         (rs6000_emit_swdivdf): Ditto.
43         (rs6000_emit_swrsqrtsf): Ditto.
44
45         * config/rs6000/rs6000.c (rs6000_recip_bits): New global to
46         describe the reciprocal estimate support for each type.
47         (recip_options): Map -mrecip=<opt> into option bits.
48         (gen_2arg_fn_t): New typedef for binary rtx gen function.
49         (rs6000_debug_reg_global): If -mdebug=reg, print the state of the
50         reciprocal estimate instructions.
51         (rs6000_init_hard_regno_mode_ok): Key ws constraint off of the
52         debug -mvsx-scalar-memory switch instead of -mvsx-scalar-double.
53         Set up rs6000_recip_bits based on the -mrecip* options.  Print the
54         cost information if -mdebug=cost or -mdebug=reg.
55         (rs6000_override_options): Set -mrecip-precision for power6, and
56         power7 machines.  If -mvsx or -mdfp, enable various options that
57         came in previous instruction set ISAs, unless the option was
58         explicitly disabled by the command line option.  Parse
59         -mrecip=<opt> options.
60         (rs6000_builtin_vectorized_function): Add support for vectorizing
61         the reciprocal estimate builtins and expansions.
62         (rs6000_handle_option): Add -mrecip, -mrecip=<opt> support.
63         (bdesc_2arg): Add reciprocal estimate builtins.
64         (bdesc_1arg): Add reciprocal square root estimate builtins.
65         (rs6000_expand_builtin): Rewrite to use a switch statement,
66         instead of multiple if/then/elses.  Add reciprocal estimate
67         builtins.
68         (rs6000_init_builtins): Create declarations for reciprocal
69         estimate builtins.
70         (rs6000_preferred_reload_class): Simplify VSX preferences, if scalar
71         sized, prefer traditional floating point registers, if integer
72         vector types, prefer altivec registers.  Don't actually look at
73         the memory address any more.
74         (rs6000_builtin_reciprocal): Add new builtin reciprocal estimate
75         builtins.
76         (rs6000_load_constant_and_splat): New helper function to load up
77         the constant for reciprocal estimate instructions.
78         (rs6000_emit_madd): New helper function for generating
79         multiply/add type instructions, based on the current switches.
80         (rs6000_emit_msub): Ditto.
81         (rs6000_emit_mnsub): Ditto.
82         (rs6000_emit_swdiv_high_precision): Replace rs6000_emit_swdivsf to
83         replace a divide with a reciprocal estimate and fixup, adding
84         support for machines with high precision and vectors.
85         (rs6000_emit_swdiv_low_precision): Rewrite rs6000_emit_swdivdf for
86         low precision machines.
87         (rs6000_emit_swdiv): New common function to be called to replace a
88         division with reciprocal estimate and fixup.
89         (rs6000_emit_swrsqrt): Replace rs6000_emit_swrsqrtsf.  Add support
90         for double and vector types.  Add support for high precision
91         machines.
92
93         * config/rs6000/rs6000.h (TARGET_FRES): New macro to say whether
94         the reciprocal estimate instructions can be generated.
95         (TARGET_FRE): Ditto.
96         (TARGET_FRSQRTES): Ditto.
97         (TARGET_FRSQRTE): Ditto.
98         (RS6000_RECIP_*): New macros for reciprocal estimate support.
99
100         * config/rs6000/vector.md (rsqrte<mode>2): New insn for reciprocal
101         square root estimate on vectors.
102         (re<mode>2): New insn for reciprocal division estimate on vectors.
103
104         * config/rs6000/rs6000-buitlins.def (ALTIVEC_BUILTIN_VRSQRTFP):
105         New builtin.
106         (ALTIVEC_BUILTIN_VRECIPFP): Ditto.
107         (ALTIVEC_BUITLIN_VEC_RE): Ditto.
108         (ALTIVEC_BUILTIN_VEC_RSQRT): Ditto.
109         (VSX_BUILTIN_RSQRT_V4SF): Ditto.
110         (VSX_BUITLIN_RSQRT_V2DF): Ditto.
111         (RS6000_BUILTIN_RSQRT): Ditto.
112         (ALTIVEC_BUILTIN_VEC_RSQRTE): Denote that the builtin is a
113         floating point builtin.
114
115         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
116         macros __RECIP__, __RECIPF__, __RSQRTE__, __RSQRTEF__,
117         __RECIP_PRECISION__ based on the command line switches.
118         (altivec_overloaded_builtins): Add reciprocal estimate builtins.
119
120         * config/rs6000/rs6000.opt (-mrecip): Document add support for
121         replacing division instructions with reciprocal estimate and
122         fixup.
123         (-mrecip=<opt>): New option.
124         (-mrecip-precision): Ditto.
125
126         * config/rs6000/vsx.md (UNSPEC_VSX_RSQRTE): Delete.
127         (vsx_rsqrte<mode>2): Use UNSPEC_RSQRT not UNSPEC_VSX_RSQRTE.
128         (vsx_copysignsf3): If -mvsx, use double precision cpsign on single
129         precision scalar.
130
131         * config/rs6000/altivec.md (UNSPEC_RSQRTEFP): Delete.
132         (UNSPEC_VREFP): Ditto.
133         (altivec_vnmsubfp*): Make altivec nmsub mirror the scalar and VSX
134         conterparts with regard to support of -mno-fused-madd and
135         -ffast-math.
136         (altivec_vrsqrtefp): Use common UNSPEC to allow scalar/vector
137         reciprocal estimate instructions to be generated.
138         (altivec_vrefp): Ditto.
139
140         * config/rs6000/rs6000.md (RECIPF): New iterator for reciprocal
141         estimate support.
142         (rreg): New mode attribute for reciprocal estimate support.
143         (recip<mode>3): New insn for division using reciprocal estimate
144         and fixup builtins.
145         (divide define_split): New define_split to convert floating point
146         division to use reciprocal estimate if the user used the
147         appropriate options and the split is run when we can add new
148         pseudo registers for the fixup.
149         (rsqrt<mode>2): New insn for reciprocal square root support.
150         (recipsf3): Move into recip<mode>3.
151         (recipdf3): Ditto.
152         (fres): Use TARGET_FRES.
153         (rsqrtsf2): Move into rsqrt<mode>2.
154         (rsqrtsf_internal1): Use TARGET_FRSQRTSES.
155         (copysignsf3): Add support for VSX.
156         (fred): Use TARGET_FRE.
157         (fred_fpr): Ditto.
158         (rsqrtdf_internal1): New function for frsqrte instruciton.
159
160         * config/rs6000/altivec.h (vec_recipdiv): Define new vector
161         builtin.
162         (vec_rsqrt): Ditto.
163
164 2010-06-03  Richard Guenther  <rguenther@suse.de>
165
166         PR middle-end/44291
167         * optabs.c (init_one_libfunc): Use IDENTIFIER_HASH_VALUE.
168         (set_user_assembler_libfunc): Likewise.
169
170 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
171
172         * mkconfig.sh: Include insn-flags.h and insn-constants.h before
173         defaults.h.
174         * except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS
175         to defaults.h
176         * expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO,
177         DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING,
178         FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE,
179         STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN,
180         STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP,
181         STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT,
182         STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE,
183         STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h.
184         * defaults.h: Updated for above mentioned changes.
185
186 2010-06-02  Kai Tietz  <kai.tietz@onevision.com>
187
188         * c-common.c: Remove header include of tm_p.h.
189         * Makefile.in (c-common.o): Remove TM_P_H dependency.
190
191 2010-06-02  Jakub Jelinek  <jakub@redhat.com>
192
193         * tree.h (struct tree_decl_map): New type.
194         (tree_decl_map_eq, tree_decl_map_marked_p): Define.
195         (tree_decl_map_hash): New prototype.
196         (debug_expr_for_decl, value_expr_for_decl): Change into
197         tree_decl_map hashtab from tree_map.
198         (init_ttree): Adjust initialization.
199         (tree_decl_map_hash): New function.
200         (decl_debug_expr_lookup, decl_debug_expr_insert,
201         decl_value_expr_lookup, decl_value_expr_insert): Adjust.
202
203 2010-06-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
204
205         * configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2
206         linker emulations.
207         * configure: Regenerate.
208         * config.in: Regenerate.
209
210         * config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define.
211         (X86_64_EMULATION): Define.
212         (TARGET_LD_EMULATION): Use them.
213
214         * config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define.
215         (SPARC64_EMULATION): Define.
216         (LINK_ARCH_SPEC): Use them.
217
218 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
219
220         * graphite-clast-to-gimple.c (gcc_type_for_interval): Use
221         smallest_mode_for_size for computing the precision types of new
222         graphite IVs.  Do not call lang_hooks.types.type_for_size.
223
224 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
225
226         * tree-if-conv.c (predicate_bbs): Do not reset the GIMPLE_DEBUG
227         information.
228         (remove_conditions_and_labels): Reset the GIMPLE_DEBUG information.
229
230 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
231
232         PR middle-end/44363
233         * tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
234         return false instead.
235
236 2010-06-02  Jan Hubicka  <jh@suse.cz>
237
238         PR middle-end/44295
239         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Do not
240         create new cgraph node to check callee.
241
242 2010-06-02  Richard Guenther  <rguenther@suse.de>
243
244         * lto-streamer-in.c (input_gimple_stmt): Fix typo.
245
246 2010-06-02  Richard Guenther  <rguenther@suse.de>
247
248         * lto-wrapper.c (lto_wrapper_exit): Rename to ...
249         (lto_wrapper_cleanup): ... this.  Do not exit.
250         (fatal): Adjust.  Exit here.
251         (fatal_perror): Likewise.
252         (fatal_signal): New function.
253         (main): Set up signal handlers to cleanup temporary files.
254         * Makefile.in (lto-wrapper.o): Adjust dependencies.
255
256 2010-06-02  Richard Guenther  <rguenther@suse.de>
257
258         PR tree-optimization/44377
259         * tree-ssa-structalias.c (find_func_aliases): Fix typo.
260
261 2010-06-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
262
263         * config/s390/2097.md (z10_fhex): Remove insn reservation.
264         * config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant.
265         (*mov<mode>_64 TD_TF, *mov<mode>_31 TD_TF, *mov<mode>_64dfp DD_DF,
266         *mov<mode>_64 DD_DF, *mov<mode>_31, mov<mode>): Remove load zero
267         instruction.
268         * config/s390/s390.c: Don't accept fp zeros as valid constants
269         anymore.
270
271 2010-06-02  Jan Hubicka  <jh@suse.cz>
272
273         * bitmap.c (bitmap_descriptor): Add search_iter.
274         (bitmap_find_bit): Increment it.
275         (print_statistics): Print it.
276
277 2010-06-02  Nathan Froyd  <froydnj@codesourcery.com>
278
279         * tree-vect-slp.c (vect_create_mask_and_perm): Use gimple_build_call
280         instead of gimple_build_call_vec.  Delete unnecessary local variable.
281
282 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
283
284         * gimplify.c (gimplify_body): Revert "Do not initialize RTL profiling"
285         change from yesterday.
286
287 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
288
289         * c-ada-spec.c: Clean up redundant includes.
290
291 2010-06-01  Steven Bosscher  <steven@gcc.gnu.org>
292
293         * gimplify.c: Do not include except.h and optabs.h.
294         (gimplify_body): Do not initialize RTL profiling.
295         * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h,
296         langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h.
297         * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h,
298         output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and
299         langhooks.h.
300
301         * tree-pretty-print.h: Include pretty-print.h.
302         * gimple-pretty-print.h: Include pretty-print.h.
303
304         * tree-pretty-print.c: Do not include diagnostic.h.
305         * tree-vrp.c: Likewise.
306         * tree-tailcall.c: Likewise
307         * tree-scalar-evolution.c: Likewise
308         * tree-ssa-dse.c: Likewise
309         * tree-chrec.c: Likewise
310         * tree-ssa-sccvn.c: Likewise
311         * tree-ssa-copyrename.c: Likewise
312         * tree-nomudflap.c: Likewise
313         * tree-call-cdce.c: Likewise
314         * tree-stdarg.c: Likewise
315         * tree-ssa-math-opts.c: Likewise
316         * tree-nrv.c: Likewise
317         * tree-ssa-sink.c: Likewise
318         * tree-browser.c: Likewise
319         * tree-ssa-loop-ivcanon.c: Likewise
320         * tree-ssa-loop.c: Likewise
321         * tree-parloops.c: Likewise
322         * tree-ssa-address.c: Likewise
323         * tree-ssa-ifcombine.c: Likewise
324         * tree-if-conv.c: Likewise
325         * tree-data-ref.c: Likewise
326         * tree-affine.c: Likewise
327         * tree-ssa-phiopt.c: Likewise
328         * tree-ssa-coalesce.c: Likewise
329         * tree-ssa-pre.c: Likewise
330         * tree-ssa-live.c: Likewise
331         * tree-predcom.c: Likewise
332         * tree-ssa-forwprop.c: Likewise
333         * tree-ssa-dce.c: Likewise
334         * tree-ssa-ter.c: Likewise
335         * tree-ssa-loop-prefetch.c: Likewise
336         * tree-optimize.c: Likewise
337         * tree-ssa-phiprop.c: Likewise
338         * tree-object-size.c: Likewise
339         * tree-outof-ssa.c: Likewise
340         * tree-ssa-structalias.c: Likewise
341         * tree-switch-conversion.c: Likewise
342         * tree-ssa-reassoc.c: Likewise
343         * tree-ssa-operands.c: Likewise
344         * tree-vectorizer.c: Likewise
345         * tree-vect-data-refs.c: Likewise
346         * tree-vect-generic.c: Likewise
347         * tree-vect-stmts.c: Likewise
348         * tree-vect-patterns.c: Likewise
349         * tree-vect-slp.c: Likewise
350         * tree-vect-loop.c: Likewise
351         * tree-ssa-loop-ivopts.c: Likewise
352         * tree-ssa-loop-im.c: Likewise
353         * tree-ssa-loop-niter.c: Likewise
354         * tree-ssa-loop-unswitch.c: Likewise
355         * tree-ssa-loop-manip.c: Likewise
356         * tree-ssa-loop-ch.c: Likewise
357         * tree-dump.c: Likewise
358         * tree-complex.c: Likewise
359
360         * tree-into-ssa.c: Do not include diagnostic.h and expr.h.
361         * tree-ssa-uninit.c: Likewise
362         * tree-ssa-threadupdate.c: Likewise
363         * tree-ssa-uncprop.c: Likewise
364         * tree-ssa-ccp.c: Likewise
365         * tree-ssa-dom.c: Likewise
366         * tree-ssa-propagate.c: Likewise
367         * tree-ssa-alias.c: Likewise
368         * tree-dfa.c: Likewise
369         * tree-cfgcleanup.c: Likewise
370         * tree-sra.c: Likewise
371         * tree-ssa-copy.c: Likewise
372         * tree-ssa.c: Likewise
373         * tree-profile.c: Likewise
374         * tree-cfg.c: Likewise
375         * tree-ssa-threadedge.c: Likewise
376         * tree-vect-loop-manip.c: Likewise
377
378         * tree-inline.c: Do not include diagnostic.h and expr.h.
379         Include rtl.h.
380         (copy_decl_for_dup_finish): Do not use NULL_RTX.
381
382         * tree-loop-linear.c: Do not include diagnostic.h, expr.h,
383         and optabs.h.
384         * tree-loop-distribution.c: Likewise.
385
386 2010-06-01  Jan Hubicka  <jh@suse.cz>
387
388         * ipa-pure-const.c (local_pure_const): Do NORETURN discovery.
389
390 2010-06-01  Jan Hubicka  <jh@suse.cz>
391
392         * tree-cfgcleanup.c (fixup_noreturn_call): Break out from ...;
393         remove return value.
394         (split_bbs_on_noreturn_calls) .... here.
395         * tree-optimize.c (execute_fixup_cfg): Fixup noreturn calls too.
396         * tree-flow.h (fixup_noreturn_call): New.
397
398 2010-06-01  Jan Hubicka  <jh@suse.cz>
399
400         * emit-rtl.c (remove_insn): Fix thinko in prevoius patch.
401
402 2010-06-01  Nathan Froyd  <froydnj@codesourcery.com>
403
404         * tree.h (build_nt_call_list): Delete.
405         * tree.c (build_nt_call_list): Delete.
406
407 2010-06-01  Jan Hubicka  <jh@suse.cz>
408
409         * fwprop.c: Make emit-rtl.h include last.
410         * rtlanal.c: Include emit-rtl.h.
411         * genautomata.c: Output emit-rtl include into insn-automata.c
412         * df-scan.c: Include emit-rtl.h.
413         * haifa-sched.c: Indlude emit-rtl.h.
414         * mode-switching.c: Indlude emit-rtl.h.
415         * graph.c: Indlude emit-rtl.h.
416         * sel-sched.c: Include emit-rtl.h.
417         * sel-sched-ir.c: Include emit-rtl.h.
418         * ira-build.c: Include emit-rtl.h.
419         * emit-rtl.c: (first_insn, last_insn): Remove defines.
420         (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid):
421         Move to emit-rtl.h.
422         (set_new_first_and_last_insn, get_last_insn_anywhere, get_first_nonnote_insn,
423         get_last_nonnote_insn, try_split, make_call_insn_raw, add_insn_after,
424         add_insn_before, remove_insn, delete_insns_since, reorder_insns_nobb,
425         emit_insn_after_1, emit_debug_insn_before, emit_insn, start_sequence,
426         push_to_sequence, push_to_sequence2, push_topmost_sequence, end_sequence,
427         copy_insn): Use accessor functions.
428         * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
429          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
430         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
431         mem_expr_equal_p): Move here from rtl.h
432         (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid):
433         Move here from emit-rtl.c; make inline.
434         * cfglayout.h: Include emit-rtl.h
435         * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
436          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
437         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
438         mem_expr_equal_p, get_insns, set_first-insn, get_last_insn, set_last_insn,
439         get_max_uid): Move to emit-rtl.h.
440         * reg-stack.c: Include emit-rtl.h
441         * dce.c: Likewise.
442
443 2010-06-01  Jan Hubicka  <jh@suse.cz>
444
445         * cgraph.h (tree_function_versioning): Update prototype.
446         (cgraph_function_versioning): Update prototype.
447         * cgraphunit.c (cgraph_copy_node_for_versioning): Accept bbs_to_copy
448         bitmap.
449         (cgraph_function_versioning): Accept new_entry_block and bbs_to_copy. 
450         (cgraph_materialize_clone, save_inline_function_body): Update use of
451         tree_function_versioning.
452         * tree-inline.c (copy_bb): Look for previous copied block to link after;
453         fix debug output.
454         (copy_cfg_body): Accept new_entry_block and bbs_to_copy.
455         (copy_body): Likewise.
456         (expand_call_inline): Update use of copy_body.
457         (tree_function_versioning): Update use of copy body; accept
458         blocks_to_copy and new_entry.
459
460 2010-06-01  Jan Hubicka  <jh@suse.cz>
461
462         * gegenrtl.c: Remove unnecesary prototypes.
463         (gendecl): Remove.
464         (gendef): Produce static inline.
465         (gencode): Remove.
466         (main): Do not decode parameters; generate header only.
467         * Makefile.in (genrtl.c): Remove.
468
469 2010-06-01  Jan Hubicka  <jh@suse.cz>
470
471         * tree-switch-conversion.c (build_one_array): Make it readonly.
472
473 2010-06-01  Richard Guenther  <rguenther@suse.de>
474
475         * optabs.c (init_optabs): Guard all accesses to reinit.
476         * ipa-pure-const.c (propagate): Fix another typo.
477         * opts.c (common_handle_option): Split assignment to bool.
478         * c-opts.c (c_common_handle_option): Likewise.
479
480 2010-06-01  Arnaud Charlet  <charlet@adacore.com>
481             Matthew Gingell  <gingell@adacore.com>
482
483         * doc/invoke.texi: Mention -fdump-ada-spec.
484         * tree-dump.c (dump_files): Add ada-spec.
485         (FIRST_AUTO_NUMBERED_DUMP): Bump to 8.
486         * tree-pass.h (tree_dump_index): Add TDI_ada.
487         * gcc.c: Add support for -C without -E and for -fdump-ada-spec.
488         (cpp_unique_options): Do not reject -C or -CC when -E isn't present.
489         (default_compilers) <@c-header>: Allow -fdump-ada-spec on header files.
490         * c-decl.c: Include c-ada-spec.h.
491         (collect_source_ref_cb, collect_all_refs, for_each_global_decl): New
492         functions.
493         (c_write_global_declarations): Add handling of -fdump-ada-spec.
494         * c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT.
495         * Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o.
496         * c-ada-spec.h, c-ada-spec.c: New files.
497
498 2010-06-01  Richard Guenther  <rguenther@suse.de>
499
500         PR lto/43853
501         * ipa-pure-const.c (get_function_state): Hand back varying state
502         if we do not have one.
503         (has_function_state): New function.
504         (duplicate_node_data): Adjust.
505         (remove_node_data): Likewise.
506         (pure_const_write_summary): Likewise.
507         (propagate): Likewise.  Fix typo.
508
509 2010-06-01  Jan Hubicka  <jh@suse.cz>
510
511         * tree-cfg.c (verify_stmt): Do not skip could_throw test.
512         * passes.c (execute_function_todo): Do not make implicit verify_ssa.
513         (execute_all_ipa_transforms): Do not play with the states.
514
515 2010-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
516
517         * config/arm/t-linux-androideabi: New.
518         * config.gcc (arm*-*-linux-androideabi): Include multilib configuration.
519
520 2010-06-01  Jan Hubicka  <jh@suse.cz>
521
522         * tree-inline.c (estimate_num_insns): For stdarg functions look
523         into call statement to count cost of argument passing.
524
525 2010-06-01  Kai Tietz
526
527         * config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX
528         argument for fprintf.
529         (ix86_output_addr_diff_elt): Likewise.
530         (x86_function_profiler): Likewise.
531         * config/cygming.h (LOCAL_LABEL_PREFIX): Fix
532         for x64 no-underscore.
533         (LPREFIX): Likewise.
534         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
535
536 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
537
538         PR target/44338
539         * config/i386/sse.md (fma4i_fmadd<mode>4256, fma4i_fmsub<mode>4256,
540         fma4i_fnmadd<mode>4256, fma4i_fnmsub<mode>4256, fma4i_fmadd<mode>4,
541         fma4i_fmsub<mode>4, fma4i_fnmadd<mode>4, fma4i_fnmsub<mode>4,
542         fma4i_vmfmadd<mode>4, fma4i_vmfmsub<mode>4, fma4i_vmfnmadd<mode>4,
543         fma4i_vmfnmsub<mode>4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4,
544         fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4,
545         fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4):
546         Guard only with TARGET_FMA4 instead of TARGET_FMA4 &&
547         TARGET_FUSED_MADD.
548
549 2010-05-31  Jan Hubicka  <jh@suse.cz>
550
551         * tree.h (tree_range_check_failed): Declare noreturn.
552
553 2010-05-31  Jan Hubicka  <jh@suse.cz>
554
555         * gimple.c (gimple_call_builtin_p): New function.
556         * gimple.h (gimple_call_builtin_p): Declare.
557         * tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN
558         to exit.
559         (execute_warn_function_return): BUILT_IN_RETURN is return.
560         (split_critical_edges): Return edges are not critical.
561         (is_ctrl_altering_stmt): Builtin_in_return is altering.
562         (gimple_verify_flow_info): Handle built_in_return.
563         (execute_warn_function_return): Handle built_in_return.
564         * ipa-pure-const.c (check_call): Ignore builtin_return.
565
566 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
567
568         PR middle-end/44337
569         * expr.c (expand_assignment): Don't store anything for out-of-bounds
570         array accesses with non-MEM.
571
572         PR tree-optimization/44182
573         * tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that
574         newly needs to end a bb is followed by debug stmts, instead return
575         true from the function at the end.
576         (maybe_move_debug_stmts_to_successors): New function.
577         (copy_cfg_body): Call it if copy_edges_for_bb returned true.
578
579 2010-05-31  Kai Tietz  <kai.tietz@onevision.com>
580
581         PR target/44161
582         * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
583         flag_pic.
584
585 2010-05-31  Eric Botcazou  <ebotcazou@adacore.com>
586
587         * cgraphunit.c (cgraph_decide_is_function_needed): Really return false
588         for nested functions in non-optimized compilation.
589
590 2010-05-31  Richard Guenther  <rguenther@suse.de>
591
592         * tree-ssa-structalias.c (find_func_aliases): Handle
593         BUILT_IN_RETURN.
594
595 2010-05-30  Jan Hubicka  <jh@suse.cz>
596
597         * predict.c (maybe_hot_edge_p): Calls to functions called once is cold.
598
599 2010-05-30  Richard Guenther  <rguenther@suse.de>
600
601         PR lto/42975
602         * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh.
603         (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is
604         no longer needed.
605
606 2010-05-30  Iain Sandoe  <iains@gcc.gnu.org>
607
608         * config/darwin.c (output_objc_section_asm_op): Add comment.
609         (name_needs_quotes): Add '_' to list of valid comment chars.
610         (machopic_output_function_base_name): Remove unneeded quotes.
611         (darwin_encode_section_info): Adjust asm whitespace.
612         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Adjust asm tabs.
613         (ASM_OUTPUT_LOCAL): Ditto.
614         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Ditto.
615         * config/darwin.h (GLOBAL_ASM_OP): Ditto.
616         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Ditto.
617         
618 2010-05-30  Eric Botcazou  <ebotcazou@adacore.com>
619
620         * config/rs6000/rs6000.c (rs6000_output_function_entry): Use
621         RS6000_OUTPUT_BASENAME unconditionally.
622         (rs6000_output_function_epilogue): Likewise.
623
624 2010-05-30  Jan Hubicka  <jh@suse.cz>
625
626         * toplev.c (wrapup_global_declaration_2): Avoid creation of new varpool
627         nodes.
628
629 2010-05-30  Richard Guenther  <rguenther@suse.de>
630
631         * tree-cfg.c (verify_gimple_assign_single): Implement
632         verification for COND_EXPR rhs.
633
634 2010-05-30  Jan Hubicka  <jh@suse.cz>
635
636         * cgraph.h (cgraph_dump_file): Declare.
637         * cgraphunit.c (cgraph_dump_file): Export.
638         * ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less
639         verbose.
640
641 2010-05-30  Jan Hubicka  <jh@suse.cz>
642
643         * dwarf2out.c (reference_to_unused,
644         premark_types_used_by_global_vars_helper): Avoid creation of new
645         varpool nodes.
646
647 2010-05-30  Jan Hubicka  <jh@suse.cz>
648
649         * cgraph.h (cgraph_node_cannot_return,
650         cgraph_edge_cannot_lead_to_return): New functions.
651         * cgraph.c (cgraph_node_cannot_return,
652         cgraph_edge_cannot_lead_to_return): Use them.
653         * ipa-pure-const.c (pure_const_names): New static var.
654         (check_call): Handle calls not leading to return.
655         (pure_const_read_summary): Dump info read.
656         (propagate): Dump info about propagation process; ignore side
657         effects of functions not leading to exit; fix handling of
658         pure functions.
659
660 2010-05-30  Jan Hubicka  <jh@suse.cz>
661
662         * config/i386/i386.c (pro_epilogue_adjust_stack): Use EBP
663         for tail call epilogues.
664
665 2010-05-30  Jan Hubicka  <jh@suse.cz>
666
667         * passes.c (ipa_write_optimization_summaries_1, ipa_write_summaries_2,
668         ipa_read_summaries_1, ipa_read_optimization_summaries_1): Initialize
669         dump files.
670
671 2010-05-29  Jan Hubicka  <jh@suse.cz>
672
673         * ipa.c (cgraph_remove_unreachable_node): Walk references of correct
674         node; remove references in node we no longer keep in cgrpah but need
675         body of.
676
677 2010-05-29  Jan Hubicka  <jh@suse.cz>
678
679         * cgraph.c (cgraph_mark_reachable): Relax check for analyzed nodes.
680
681 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
682
683         PR target/44165
684         * config/pa/pa32-linux.h (CTOR_LIST_BEGIN): Mark __CTOR_LIST__ as used.
685
686 2010-05-29  Jan Hubicka  <jh@suse.cz>
687
688         * tree-vrp.c (debug_value_range, debug_all_value_ranges,
689         debug_asserts_for, debug_all_asserts): Annotate with DEBUG_FUNCTION.
690         * tree-into-ssa.c (debug_decl_set, debug_defs_stack, debug_currdefs,
691         debug_tree_ssa, debug_tree_ssa_stats, debug_def_blocks,
692         debug_names_replaced_by, debug_update_ssa): Likewise.   
693         * sbitmap.c (debug_sbitmap): Likewise.
694         * genrecog.c (debug_decision, debug_decision_list): Likewise.
695         * tree-pretty-print.c (debug_generic_expr, debug_generic_stmt,
696         debug_tree_chain): Likewise.
697         * tree-loop-distribution.c (debug_rdg_partitions): Likewise.
698         * cgraph.c (debug_cgraph_node, debug_cgraph): Likewise.
699         * optabs.c  (debug_optab_libfuncs): Likewise.
700         (verify_loop_closed_ssa): Likewise.
701         * value-prof.c (verify_histograms): Likewise.
702         * reload.c (debug_reload_to_stream, debug_reload): Likewise.
703         * bitmap.c (debug_bitmap_file, debug_bitmap, bitmap_print): Likewise.
704         * cfghooks.c (verify_flow_info): Likewise.
705         * fold-const.c (debug_fold_checksum): Likewise.
706         * omp-low.c (debug_omp_region, debug_all_omp_regions): Likewise.
707         * cfg.c (debug_regset, debug_flow_info, debug_bb, debug_bb_n):
708         Likewise.
709         * omega.c (debug_omega_problem): Likewise.
710         * cgraphunit.c (verify_cgraph_node, verify_cgraph): Likewise.
711         * tree-ssa-ccp.c (debug_lattice_value): Likewise.
712         * dominance.c (verify_dominators, debug_dominance_info,
713         debug_dominance_tree): Likewise.
714         * df-core.c (df_insn_uid_debug, df_insn_debug, df_insn_debug_regno,
715         * df_regno_debug, df_ref_debug,
716         debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref,
717         debug_df_defno, debug_df_useno, debug_df_chain): Likewise.
718         * tree-ssa-dom.c (debug_dominator_optimization_stats): Likewise.
719         * sel-sched.c (debug_state): Likewise.
720         * tree-ssa-alias.c (debug_alias_info, debug_points_to_info_for):
721         Likewise.
722         * cfganal.c (print_edge_list, verify_edge_list): Likewise.
723         * dwarf2out.c (debug_dwarf_die, debug_dwarf): Likewise.
724         * tree-eh.c (verify_eh_edges, verify_eh_dispatch_edge): Likewise.
725         * gimple-pretty-print.c (debug_gimple_stmt, debug_gimple_seq):
726         Likewise.
727         * c-pretty-print.c (debug_c_tree): Likewise.
728         * sel-sched-dump.c (debug_insn_rtx, debug_vinsn, debug_expr, debug_insn
729         debug_av_set, debug_lv_set, debug_ilist, debug_blist,
730         debug_insn_vector, debug_hard_reg_set, debug_mem_addr_value): Likewise.
731         * ebitmap.c (debug_ebitmap): Likewise.
732         * function.c (debug_find_var_in_block_tree): Likewise.
733         * print-rtl.c (debug_rtx): Likewise.
734         (debug_rtx_count): Likewise.
735         (debug_rtx_list, debug_rtx_range, debug_rtx_find): Likewise.
736         * stor-layout.c (debug_rli): Likewise.
737         * ipa.c (debug_cgraph_node_set, debug_varpool_node_set): Likewise.
738         * tree-data-ref.c (debug_data_references,
739         debug_data_dependence_relations, debug_data_reference,
740         debug_data_dependence_relation, debug_rdg_vertex,
741         debug_rdg_component, debug_rdg): Likewise.
742         * tree-affine.c (debug_aff): Likewise.
743         * tree-dfa.c (debug_referenced_vars, debug_variable, debug_dfa_stats):
744         Likewise.
745         * except.c (debug_eh_tree, verify_eh_tree): Likewise.
746         * emit-rtl.c (verify_rtl_sharing): Likewise.
747         * tree-ssa-pre.c (debug_pre_expr, debug_bitmap_set,
748         debug_value_expressions): Likewise.
749         * tree-ssa-live.c (debug_scope_block, debug_scope_blocks): Likewise.
750         * sese.c (debug_rename_map, debug_ivtype_map): Likewise.
751         * print-tree.c (debug_tree, debug_vec_tree): Likewise.
752         * cfglayout.c (verify_insn_chain): Likewise.
753         * graphite-clast-to-gimple.c (debug_clast_name_indexes,
754         debug_clast_stmt, debug_generated_program): Likewise.
755         * ggc-page.c (debug_print_page_list): Likewise.
756         * tree-ssa-ter.c (debug_ter): Likewise.
757         * graphite-dependences.c (debug_pddr): Likewise.
758         * sched-deps.c (debug_ds): Likewise.
759         * tree-ssa.c (verify_ssa): Likewise.
760         * graphite-poly.c (debug_scattering_function, debug_iteration_domain,
761         debug_scattering_functions, debug_iteration_domains, debug_pdr,
762         debug_pdrs, debug_pbb_domain, debug_pbb, debug_scop_context,
763         debug_scop, debug_cloog, debug_scop_params, debug_lst): Likewise.
764         * tree-inline.c (debug_find_tree): Likewise.
765         * graphite-ppl.c (debug_ppl_linear_expr, debug_ppl_polyhedron_matrix,
766         debug_ppl_powerset_matrix): Likewise.
767         * var-tracking.c (debug_dv): Likewise.
768         * system.h (DEBUG_FUNCTION, DEBUG_VARIABLE): Define.
769         * cfgloop.c (verify_loop_structure): Likewise.
770         * plugin.c (dump_active_plugins, debug_active_plugins): Likewise.
771         * c-common.c (verify_sequence_points): Likewise.
772         * sched-rgn.c (debug_regions, debug_region, debug_candidate,
773         debug_candidates, debug_rgn_dependencies): Likewise.
774         * tree-ssa-structalias.c (debug_constraint, debug_constraints,
775         * debug_constraint_graph, debug_solution_for_var,
776         debug_sa_points_to_info): Likewise.
777         * sched-vis.c (debug_insn_slim, debug_bb_slim, debug_bb_n_slim):
778         Likewie.
779         * tree-cfg.c (debug_cfg_stats, verify_stmts, debug_function,
780         debug_loops, debug_loop, debug_loop_num): Likewise.
781         * passes.c (debug_pass): Likewise.
782         (dump_properties): Likewise; add cfglayout property.
783         (debug_properties): Likewise.
784         * tree-ssa-reassoc.c (debug_ops_vector): Likewise.
785         * varpool.c (debug_varpool): Likewise.
786         * regcprop.c (debug_value_data): Likewise.
787         * tree-ssa-operands.c (verify_imm_links, debug_immediate_uses,
788         debug_immediate_uses_for): Likewise.
789
790 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
791
792         PR bootstrap/44315
793         * Makefile.in (build/gencondmd.o): Remove TM_H := $(GTM_H).
794         Filter out insn-flags.h.
795
796 2010-05-29  Jan Hubicka  <jh@suse.cz>
797
798         * cgraph.h (struct varpool_node_set_def,
799         struct cgraph_node_set_def): Remove unused AUX pointer.
800         (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use
801         VEC_empty macro.
802
803 2010-05-29  Jan Hubicka  <jh@suse.cz>
804
805         PR middle-end/44324
806         * ipa-cp.c (ipcp_insert_stage): Replace "clone" by "constprop".
807
808 2010-05-29  Richard Guenther  <rguenther@suse.de>
809
810         * lto-streamer.c (cached_bp): New global variable.
811         (bitpack_create): Return the cached bitpack, if available.
812         (bitpack_delete): Clear and cache the bitpack, if appropriate.
813         (bp_pack_value): Remove redundant asserts.
814
815 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
816
817         PR middle-end/44306
818         * tree-if-conv.c (is_true_predicate): New.
819         (is_predicated): Use is_true_predicate.
820         (add_to_predicate_list): Same.  Do not use unshare_expr.
821         (add_to_dst_predicate_list): Same.
822
823 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
824
825         * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux
826         field on edges.
827         (predicate_bbs): Same.
828         (clean_predicate_lists): Same.
829         (find_phi_replacement_condition): Do not AND the predicate from
830         edge->aux.
831
832 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
833
834         PR bootstrap/44315
835         * Makefile.in (build/gencondmd.o): Add a missing `\'.
836
837 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
838
839         PR target/44261
840         config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
841         (negdf2): Adjust expander pattern and use negdf2_slow.
842         (negsf2): Likewise.
843
844 2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>
845
846         * basic-block.h (struct control_flow_graph): Move last_label_uid field
847         up.
848         * df.h (struct df_base_ref): Move regno field up.
849         * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
850         * expr.h (struct separate_ops): Move location field up.
851         * optabs.h (struct optab_d): Move libcall_basename field down.
852         * config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
853         * config/i386/i386.h (struct machine_function): Convert call_abi field
854         into a bitfield.  Move cfa field to the end of the structure.
855
856 2010-05-29  Jan Hubicka  <jh@suse.cz>
857
858         * varpool.c (varpool_get_node): Fix lookup.
859
860 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
861
862         * config/spu/spu-protos.h: Do not include rtl.h.  Protect
863         RTL specific prototypes with #ifdef RTX_CODE.
864         * config/spu/spu-c.c: Include c-common.h instead of c-tree.h.
865         * config/spu/t-spu-elf: Fix dependencies.
866
867         * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency.
868
869 2010-05-29  Mike Stump  <mikestump@comcast.net>
870
871         PR bootstrap/44315
872         * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of
873         TM_H when building to avoid dependency loops.
874
875 2010-05-29  Jan Hubicka  <jh@suse.cz>
876
877         * cgraphunit.c (cgraph_materialize_clone): Only remove calles,
878         refs and body; not the whole node for masters of materialized
879         clones.
880
881 2010-05-29  Mike Stump  <mikestump@comcast.net>
882
883         * config/rs6000/rs6000-c.c: Remove c-tree.h include.
884
885 2010-05-29  Jan Hubicka  <jh@suse.cz>
886
887         * cgraph.c (clone_function_name): Take SUFFIX argument; export.
888         (cgraph_create_virtual_clone): Take SUFFIX argument; udpate
889         use of clone_function_name.
890         * cgraph.h (cgraph_create_virtual_clone, 
891         cgraph_function_versioning): update prototypes.
892         (clone_function_name): Declare.
893         * ipa-cp.c (ipcp_insert_stage): Update call of
894         cgraph_create_virtual_clone.
895         * omp-low.c (create_omp_child_function_name): Use
896         cgraph_create_virtual_clone.
897         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating.
898         (cgraph_function_versioning): Take SUFFIX argument; produce new name
899         and make decl local.
900
901 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
902
903         * vec.h: Include statistics.h
904         * Makefile.in: Introduce VEC_H.  Replace all vec.h dependencies
905         with VEC_H.
906
907 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
908
909         * c-lex.c: Do not include c-tree.h.
910         * c-pretty-print.c: Likewise.
911         * c-opts.c: Likewise.
912         * c-gimplify.c: Likewise.
913         * c-common.c: Likewise.
914         * c-dump.c: Likewise.  Include c-common.h.
915
916 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
917
918         * c-common.h (GCC_DIAG_STYLE): Define earlier in the file,
919         before including diagnostic-core.h.
920         (c_cpp_error): New prototype moved from c-tree.h.
921         Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG.
922         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define.
923         (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead.
924         (c_cpp_error): Prototype moved to c-common.h.
925         * Makefile.in: Update dependency for C_COMMON_H.
926
927 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
928
929         * c-common.h: Add FIXME for awkward split of c_register_addr_space.
930         * c-common.c (c_register_addr_space): Remove here.
931         * c-decl.c (c_register_addr_space): Re-add here.
932
933 2010-05-28  Mike Stump  <mikestump@comcast.net>
934
935         * config/darwin-c.c: Remove c-tree.h include.
936
937 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
938
939         * gcc.c: Include diagnostic.h.
940         (error_count): Remove.  All users changed to use errorcount.
941         (programname): Remove.  All users changed to use progname.
942         (fancy_abort, internal_error, fatal_error, error, warning, inform,
943         fnotice): Remove.
944         (execute): Don't include "Internal error" and bug reporting
945         information in argument of internal_error call.
946         (process_command): Don't increment error_count after calling
947         perror_with_name.
948         (input_filename): Rename to gcc_input_filename.  All users
949         changed.
950         (main): Call diagnostic_initialize.  Register delete_temp_files
951         with atexit.  Use seen_error to test for errors.
952         * gcc.h: Include diagnostic-core.h.
953         (fatal_error, error, warning): Remove.
954         * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H).
955         (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o.
956         (gcc.o): Update dependencies.
957
958 2010-05-28  Jeff Law  <law@redhat.com>
959
960         * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New
961         functions.
962         * ira.h (ira_bad_reload_regno): Declare
963         * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno.
964
965         * ira-color.c (update_curr_costs): Free updated hard reg costs.
966         (ira_reassign_conflict_allocnos): Remove bogus asserts.
967         (allocno_reload_assign): Likewise.
968
969 2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>
970
971         * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
972         build1_stat.
973
974 2010-05-28  Richard Guenther  <rguenther@suse.de>
975
976         PR lto/44312
977         * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
978         Stream fixed-point constants mode.
979         (unpack_ts_type_value_fields): Fix width of TYPE_MODE
980         and TYPE_PRECISION.
981         * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
982         Stream fixed-point constants mode.
983         (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
984         and TYPE_PRECISION.
985
986 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
987
988         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
989         only place it was called from.
990         (number_of_latch_executions): Do not return chrec_dont_know when the
991         may_be_zero is a runtime condition: instead, return a COND_EXPR
992         including the may_be_zero condition.
993         * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
994         of nb_iterations.
995         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
996         COND_EXPRs.
997
998 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
999
1000         * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
1001         generate COND_EXPRs for degenerate_phi_result.
1002
1003 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
1004
1005         PR middle-end/44293
1006         * tree-if-conv.c (if_convertible_loop_p): Check the
1007         if-convertibility of phi nodes in non predicated BBs.
1008
1009 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
1010
1011         * gcc.c (error, warning, inform): Remove duplicate ": " in output.
1012
1013 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
1014
1015         PR driver/15303
1016         * gcc.c (inform, warning, inform): New functions.
1017         (fatal_ice): Rename to internal_error; change cmsgid parameter to
1018         gmsgid.  All callers changed.
1019         (notice): Rename to fnotice; add parameter fp.  All callers
1020         changed.
1021         (fatal_error): Rename to fatal_signal.  All users changed.
1022         (fatal): Rename to fatal_error; change cmsgid parameter to
1023         gmsgid.  All callers changed.
1024         (process_command): Use warning instead of error for warnings.
1025         (end_going_arg): Don't use _() around argument of error.
1026         (do_spec_1): Use inform for message from %n specs.  Use warning
1027         instead of error for warnings.
1028         (main): Use inform for comparison messages.  Use warning for
1029         message about unused linker input.
1030         (error): Increment error_count.  Print "error: ".
1031         * gcc.h (fatal): Change to fatal_error.
1032         (warning): Declare.
1033         * config/darwin-driver.c (darwin_default_min_version): Use warning
1034         instead of fprintf for warnings.
1035         * cppspec.c (lang_specific_driver): Use fatal_error instead of
1036         fatal.
1037
1038 2010-05-28  Julian Brown  <julian@codesourcery.com>
1039
1040         * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
1041         (*thumb2_addsi3_compare0_scratch): New.
1042         * config/arm/constraints.md (Pv): New.
1043         * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
1044         for ARM mode only.
1045         (*addsi3_compare0_scratch): Likewise.
1046
1047 2010-05-28  Jan Hubicka  <jh@suse.cz>
1048
1049         * ipa-reference.c (add_static_var): Remove redundant all_module_statics
1050         check.
1051         (ipa_reference_write_optimization_summary): Call is_proper_for_analysis
1052         only on local statics.
1053
1054 2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>
1055
1056         * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.
1057
1058 2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
1059
1060         PR bootstrap/44314
1061         * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
1062         (OPTION_GLIBC): Define.
1063
1064 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
1065
1066         PR debug/41048
1067         * dwarf2out.c (double_int_type_size_in_bits): New function.
1068         (round_up_to_align): Change first argument and return value to
1069         double_int.
1070         (field_byte_offset): Work internally on double_ints.
1071
1072         PR target/43636
1073         * builtins.c (expand_movstr): Use a temporary pseudo instead
1074         of target even when target is not NULL and not const0_rtx, but
1075         fails movstr predicate.
1076         * config/m32c/blkmov.md (movstr): Add predicate to first operand.
1077
1078 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
1079
1080         * final.c (rest_of_clean_state): Use %m in errors instead of
1081         strerror (errno).
1082         * gengtype.c (read_input_list, close_output_files): Use xstrerror
1083         instead of strerror.
1084         * toplev.c (process_options): Use %m in errors instead of strerror
1085         (errno).
1086         * tree-dump.c (dump_begin): Use %m in errors instead of strerror
1087         (errno).
1088
1089 2010-05-28  Uros Bizjak  <ubizjak@gmail.com>
1090
1091         * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
1092         (ix86_canonical_va_list_type): Make static.  Add declaration.
1093         (ix86_enum_va_list): Make static.  Reindent.
1094         * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
1095         (ix86_canonical_va_list_type): Ditto.
1096         (ix86_enum_va_list): Ditto.
1097
1098 2010-05-28  Richard Guenther  <rguenther@suse.de>
1099
1100         * lto-wrapper.c (run_gcc): With -save-temps generate a
1101         user-visible ltrans filename.  Fixup ltrans unit numbering.
1102
1103 2010-05-28  Kai Tietz  <kai.tietz@onevision.com>
1104
1105         * c-common.c (c_common_nodes_and_builtins): Replace use
1106         of TARGET_ENUM_VA_LIST by target hook enum_va_list.
1107         * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
1108         to ix86_enum_va_list.
1109         * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
1110         * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
1111         (TARGET_ENUM_VA_LIST_P): Add hook description.
1112         * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
1113         * target.h (gcc_target): Add enum_va_list hook.
1114
1115         PR bootstrap/44299
1116         * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
1117         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
1118         * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.
1119
1120 2010-05-28  Alan Modra  <amodra@gmail.com>
1121
1122         PR target/44266
1123         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
1124         emit_library_call machinery to set up __tls_get_addr calls.
1125
1126 2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1127
1128         * config/s390/s390.md (movqi): Fix typo ('*' -> '#').
1129
1130 2010-05-28  Dodji Seketeli  <dodji@redhat.com>
1131
1132         Revert fix for PR c++/44188
1133         * c-common.c (is_typedef_decl): Revert the moving of  this
1134         definition ...
1135         * tree.c (is_typedef_decl): ... here.
1136         (typdef_variant_p): Revert the moving of this  definition
1137         here from gcc/cp/tree.c.
1138         * c-common.h (is_typedef_decl): Revert the moving of this
1139         declaration ...
1140         * tree.h (is_typedef_decl): ... here.
1141         (typedef_variant_p): Revert the moving of this  declaration here
1142         from gcc/cp/cp-tree.h
1143         * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
1144         (gen_tagged_type_die): Revert the splitting out of ...
1145         (gen_type_die_with_usage): ... this function. Revert the anonymous
1146         tagged type handling.
1147         (gen_typedef_die): Revert emitting DW_TAG_typedef  for
1148         typedefs naming anonymous tagged types.
1149
1150 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
1151
1152         * config/rs6000/rs6000-modes.def (PSImode): Delete.
1153
1154 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
1155
1156         * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
1157         * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
1158         throughout.
1159         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
1160         "xer" to "ca".
1161         Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
1162         XER_REGS to CA_REGS throughout.
1163         * config/rs6000/rs6000.h: Same.
1164         (ADDITIONAL_REGISTER_NAMES): Add "xer".
1165         * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
1166         that mode_iterator "P" is the size for arithmetic carries as well.
1167         * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.
1168
1169 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
1170
1171         PR bootstrap/44255
1172         * combine.c (struct rtx_subst_pair): Define unconditionally.
1173         (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
1174         copy_rtx pair->to instead of cleanup_auto_inc_dec it.
1175         Call make_compound_operation on pair->to.
1176         (propagate_for_debug): Don't call make_compound_operation here.
1177         Always use simplify_replace_fn_rtx.
1178
1179 2010-05-27  Sterling Augustine  <sterling@tensilica.com>
1180
1181         * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
1182         * config/xtensa/xtensa.c (override_options): Check
1183           TARGET_FORCE_NO_PIC and set flag_pic.
1184         * config/xtensa/xtensa.opt: Document -mforce-no-pic
1185
1186 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
1187
1188         PR bootstrap/44299
1189         * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
1190         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.
1191
1192 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
1193
1194         * diagnostic-core.h: New.  Contents moved from diagnostic.h and
1195         toplev.h.
1196         * diagnostic.c: Don't include toplev.h.
1197         (progname): Define.  Moved from toplev.c.
1198         (seen_error): New function.
1199         * diagnostic.h: Include diagnostic-core.h.
1200         (diagnostic_t, emit_diagnostic): Don't declare here.
1201         * toplev.c (progname): Move to toplev.c.
1202         (emit_debug_global_declarations, compile_file, finalize,
1203         do_compile, toplev_main): Use seen_error.
1204         * toplev.h: Include diagnostic-core.h.
1205         (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
1206         internal_error, warning, warning_at, error, error_n, error_at,
1207         fatal_error, pedwarn, permerror, sorry, inform, inform_n,
1208         verbatim, fnotice, progname): Move to diagnostic-core.h.
1209         * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
1210         (expand_builtin_expect): Use seen_error.
1211         * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
1212         (c_make_fname_decl, c_write_global_declarations): Use seen_error.
1213         * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
1214         * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
1215         * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
1216         * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
1217         errorcount for errors.
1218         * c-opts.c (c_common_finish): Use seen_error.
1219         * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
1220         * cgraphunit.c (verify_cgraph_node, verify_cgraph,
1221         cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
1222         * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
1223         (get_coverage_counts): Use seen_error.
1224         * dwarf2out.c (dwarf2out_finish): Use seen_error.
1225         * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
1226         gimplify_body): Use seen_error.
1227         * ipa-inline.c (cgraph_early_inlining): Use seen_error.
1228         * ipa-pure-const.c (gate_pure_const): Use seen_error.
1229         * ipa-reference.c (gate_reference): Use seen_error.
1230         * jump.c: Include diagnostic-core.h instead of diagnostic.h.
1231         * lambda-code.c: Include diagnostic-core.h instead of
1232         diagnostic.h.
1233         * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
1234         * lto-compress.c: Include diagnostic-core.h instead of
1235         diagnostic.h.
1236         * lto-section-in.c: Include diagnostic-core.h instead of
1237         diagnostic.h.
1238         * lto-streamer-out.c: Include diagnostic-core.h instead of
1239         diagnostic.h.
1240         * lto-streamer.c: Include diagnostic-core.h instead of
1241         diagnostic.h.
1242         (gate_lto_out): Use seen_error.
1243         * matrix-reorg.c: Include diagnostic-core.h instead of
1244         diagnostic.h.
1245         * omega.c: Include diagnostic-core.h instead of diagnostic.h.
1246         * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
1247         (gate_expand_omp, lower_omp_1): Use seen_error.
1248         * passes.c: Include diagnostic-core.h instead of diagnostic.h.
1249         (rest_of_decl_compilation, rest_of_type_compilation,
1250         gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
1251         * tree-cfg.c (label_to_block_fn): Use seen_error.
1252         * tree-inline.c (optimize_inline_calls): Use seen_error.
1253         * tree-mudflap.c (mudflap_finish_file): Use
1254         seen_error.
1255         * tree-optimize.c (gate_all_optimizations,
1256         gate_all_early_local_passes, gate_all_early_optimizations): Use
1257         seen_error.
1258         * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
1259         * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
1260         (varpool_remove_unreferenced_decls,
1261         varpool_assemble_pending_decls): Use seen_error.
1262         * Makefile.in (DIAGNOSTIC_CORE_H): Define.
1263         (TOPLEV_H, DIAGNOSTIC_H): Update.
1264         (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
1265         lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
1266         c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
1267         builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
1268         coverage.o, lambda-code.o): Update dependencies.
1269
1270 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
1271
1272         PR c++/44188
1273         * c-common.c (is_typedef_decl): Move this definition ...
1274         * tree.c (is_typedef_decl): ... here.
1275         (typdef_variant_p): Move definition here from gcc/cp/tree.c.
1276         * c-common.h (is_typedef_decl): Move this declaration ...
1277         * tree.h (is_typedef_decl): ... here.
1278         (typedef_variant_p): Move declaration here from gcc/cp/cp-tree.h
1279         * dwarf2out.c (is_naming_typedef_decl): New function.
1280         (gen_tagged_type_die): Split out of ...
1281         (gen_type_die_with_usage): ... this function. When an anonymous
1282         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
1283         is emitted for the typedef.
1284         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
1285         anonymous tagged types.
1286
1287 2010-05-27  Jason Merrill  <jason@redhat.com>
1288
1289         * print-tree.c (debug_vec_tree): New fn.
1290         (print_vec_tree): New fn.
1291         * tree.h: Declare them.
1292         * gdbinit.in (pvt): New command.
1293
1294         * print-tree.c (print_node) [TREE_VEC]: Print elements normally.
1295
1296         * gdbinit.in (pdd): New command.
1297
1298 2010-05-27  Jan Hubicka  <jh@suse.cz>
1299
1300         * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
1301         (update_caller_keys): Return early if there are no callers;
1302         only update fibheap when decresing the key.
1303         (update_callee_keys): Avoid recursion.
1304         (decide_inlining_of_small_functions): When badness does not match;
1305         re-insert into fibheap.
1306
1307 2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>
1308
1309         * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
1310         (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
1311         (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
1312         (ALL_HOST_OBJS): Now a union of the above two.
1313         <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
1314         all files in ALL_HOST_FRONTEND_OBJS.
1315         * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.
1316
1317         * c-common.c: Pretend to be a backend file by undefining
1318         IN_GCC_FRONTEND (still need rtl.h here).
1319
1320 2010-05-27  Jan Hubicka  <jh@suse.cz>
1321
1322         * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
1323         * cgraphunit.c (clone_of_p): Compile only when checking is enabled.
1324
1325 2010-05-27  Jan Hubicka  <jh@suse.cz>
1326
1327         * sched-ebb.c: Rename struct deps to struct deps_desc.
1328         * ddg.c: Likewise.
1329         * sel-sched-ir.c: Likewise.
1330         * sched-deps.c: Likewise.
1331         * sched-int.h: Likewise.
1332         * sched-rgn.c: Likewise.
1333
1334 2010-05-27  Jon Beniston <jon@beniston.com>
1335
1336         PR 43726
1337         * config/lm32/lm32.h: Remove definition of 
1338         GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.
1339
1340 2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1341
1342         PR lto/44230
1343         * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.
1344
1345 2010-05-27  Richard Guenther  <rguenther@suse.de>
1346
1347         PR tree-optimization/44284
1348         * tree-vect-stmts.c (vectorizable_assignment): Handle
1349         sign-changing conversions as simple copy.
1350
1351 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
1352
1353         * gthr-posix.h (pthread_cancel): Don't declare if compiling against
1354         Bionic C library.
1355         (__gthread_active_p): Check for pthread_create if compiling against
1356         Bionic C library.
1357
1358 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
1359
1360         Support compilation for Android platform.  Reimplement -mandroid.
1361
1362         * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
1363         (*android*): Set ANDROID_DEFAULT.
1364         (arm*-*-linux*): Include linux-android.h.
1365         (arm*-*-eabi*): Don't include previous -mandroid implementation.
1366         * config/arm/eabi.h: Remove, move Android-specific parts ...
1367         * config/linux-android.h: ... here.  New file.
1368         * config/arm/eabi.opt: Rename to ...
1369         * config/linux-android.opt: ... this.
1370         (mandroid): Allow -mno-android option.  Initialize based on
1371         ANDROID_DEFAULT.
1372         * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
1373         Move logic to corresponding LINUX_TARGET_* macros.
1374         (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
1375         * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
1376         (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
1377         Android definitions.
1378         (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
1379         * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
1380         Document.
1381
1382 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
1383
1384         Add support for Bionic C library
1385
1386         * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
1387         macro.
1388         (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
1389         (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.
1390
1391         * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
1392         (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
1393         (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
1394         to support multiple C libraries.  Handle Bionic.
1395         (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
1396         (BIONIC_DYNAMIC_LINKER64): Define.
1397         (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
1398         Update.
1399         (TARGET_HAS_SINCOS): Enable for Bionic.
1400
1401         * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
1402         the last option specified on command line take effect.
1403         (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
1404         (mbionic): New.
1405         (mglibc, muclibc): Update.
1406
1407         * config/alpha/linux-elf.h, config/rs6000/linux64.h,
1408         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
1409         DEFAULT_LIBC.
1410
1411         * doc/invoke.texi (-mglibc, -muclibc): Update.
1412         (-mbionic): Document.
1413
1414 2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1415
1416         * c-common.h (c_register_addr_space): Add prototype.
1417         (ADDR_SPACE_KEYWORD): Remove.
1418         * c-common.c (c_register_addr_space): New function.
1419         (c_addr_space_name): Reimplement.
1420         (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.
1421
1422         * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
1423         (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.
1424
1425         * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
1426         Remove TARGET_ADDR_SPACE_KEYWORDS.
1427
1428 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
1429
1430         * input.c: New file.
1431         * input.h (main_input_filename): Move declaration to toplev.h.
1432         * toplev.c (input_location, line_table): Move to input.c
1433         * toplev.h (main_input_filename): Move declaration from input.h.
1434         * tree.c (expand_location): Move to input.c.
1435         * Makefile.in (OBJS-common): Add input.o.
1436         (input.o): Add dependencies.
1437
1438 2010-05-27  Richard Guenther  <rguenther@suse.de>
1439
1440         * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
1441         for non-existant files.
1442         (fork_execute): Mark args_name file as deleted.
1443
1444 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
1445
1446         PR bootstrp/44287
1447         * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
1448         (narrow_signed_type): Likewise.
1449
1450 2010-05-26  Jan Hubicka  <jh@suse.cz>
1451
1452         * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
1453         edge only when checking is enabled; check using former_clone_of;
1454         check inline clones too.
1455         (cgraph_materialize_clone): Record former_clone_of pointer.
1456         (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
1457         combining redirections; dump args_to_skip bitmap
1458         (cgraph_materialize_all_clones): Do no redirection here.
1459         * ipa-inline.c (inline_transform): Do redirection here.
1460         * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
1461         cheking only).
1462
1463 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
1464
1465         * config/avr/avr-c.c: Do not include regs.h.
1466         Include cpplib.h for cpp_define and tree.h for c-common.h.
1467         * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
1468         * config/avr/t-avr: Fix dependencies for avr-c.o.
1469
1470 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
1471
1472         * explow.c (set_stack_check_libfunc): Adjust to accept name as a
1473         string instead of SYMBOL_REF rtx.
1474         * rtl.h (set_stack_check_libfunc): Move prototype from here...
1475         * libfuncs.h: ...to here.  Adjust for explow.c change.
1476
1477 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
1478
1479         * pretty-print.c: Don't include ggc.h.
1480         (identifier_to_locale_alloc, identifier_to_locale_free): Define.
1481         (identifier_to_locale): Use them for allocation.
1482         * pretty-print.h (identifier_to_locale_alloc,
1483         identifier_to_locale_free): Declare.
1484         * toplev.c (alloc_for_identifier_to_locale): New.
1485         (general_init): Set identifier_to_locale_alloc and
1486         identifier_to_locale_free.
1487         * Makefile.in (pretty-print.o): Update dependencies.
1488
1489 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1490
1491         * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and
1492         pointer types if they have different alignment or mode.
1493
1494 2010-05-26  Anatoly Sokolov  <aesok@post.ru>
1495
1496         * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
1497         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
1498         * config/sparc/sparc-protos.h (function_value): Remove declaration.
1499         * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
1500         sparc_function_value_regno_p): New functions.
1501         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
1502         TARGET_FUNCTION_VALUE_REGNO_P): Define.
1503         (function_value): Rename to...
1504         (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
1505         argument to 'outgoing'.
1506         (function_arg_record_value, function_arg_union_value,
1507         function_arg_vector_value): Update comment.
1508
1509 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1510
1511         * dwarf2out.c (struct dw_fde_struct): Reorder flags.
1512         (fde_needed_for_eh_p): New predicate.
1513         (output_call_frame_info): Use it throughout to decide whether FDEs
1514         are needed for EH purpose.
1515         (dwarf2out_begin_prologue): Reorder assignments.
1516
1517 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
1520         special case loop->header.
1521         (is_predicated): New.
1522         (if_convertible_loop_p): Call it.
1523
1524 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
1527         iterator in parameter.  Do not generate code during the analysis.
1528         (tree_if_convert_cond_stmt): Removed.
1529         (tree_if_convert_stmt): Removed.
1530         (predicate_bbs): New.
1531         (if_convertible_loop_p): Call predicate_bbs.
1532         (tree_if_conversion): Simplify the top-level logic as predicate_bbs
1533         now contains all the analysis part.
1534
1535 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1536
1537         * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
1538         statements in the analysis part.
1539         (tree_if_convert_stmt): Update comment.
1540         (remove_conditions_and_labels): New.
1541         (combine_blocks): Call remove_conditions_and_labels.
1542         (tree_if_conversion): Update comment.
1543
1544 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
1547         than 2 predecessors or more than 2 successors.
1548
1549 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
1552         of loops in which the data dependence analysis fails.
1553
1554 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1555
1556         * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
1557         CDI_POST_DOMINATORS.
1558         (tree_if_conversion): Same.
1559
1560 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * tree-if-conv.c (tree_if_conversion): Do not return a bool.
1563
1564 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1565
1566         * tree-if-conv.c: Update copyright years.  Fix comments.
1567         Fix indentation.
1568
1569 2010-05-26  Kai Tietz  <kai.tietz@onevision.com>
1570
1571         * builtin-types.def (BT_INT128): New primitive type.
1572         (BT_UINT128): Likewise.
1573         * c-common.c (c_common_r): Add __int128 keyword.
1574         (c_common_type_for_size): Handle __int128.
1575         (c_common_type_for_mode): Likewise.
1576         (c_common_signed_or_unsigned_type): Likewise.
1577         (c_common_nodes_and_builtins): Add builtin type
1578         if target supports 128-bit integer scalar.
1579         * c-common.h (enum rid): Add RID_INT128.
1580         * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
1581         if target supports 128-bit integer scalar.
1582         * c-decl.c (declspecs_add_type): Handle new keyword __int128.
1583         (finish_declspecs): Likewise.
1584         * c-parser.c (c_token_starts_typename): Handle RID_INT128.
1585         (c_token_starts_declspecs): Likewise.
1586         (c_parser_declspecs): Likewise.
1587         (c_parser_attributes): Likewise.
1588         (c_parser_objc_selector): Likewise.
1589         * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
1590         * c-tree.h (enum c_typespec_keyword): Add cts_int128.
1591         * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
1592         * tree.c (make_or_reuse_type): Likewise.
1593         (make_unsigned_type): Likewise.
1594         (build_common_tree_nodes_2): Likewise.
1595         * tree.h (enum integer_type_kind): Add itk_int128 and
1596         itk_unsigned_int128.
1597         (int128_integer_type_node): New define.
1598         (int128_unsigned_type_node): New define.
1599         * doc/extend.texi: Add documentation about __int128 type.
1600
1601 2010-05-26  Richard Guenther  <rguenther@suse.de>
1602
1603         * tree-ssa-sccvn.c (copy_nary): Adjust.
1604         (copy_phis): Rename to ...
1605         (copy_phi): ... this.  Adjust.
1606         (copy_references): Rename to ...
1607         (copy_reference): ... this.  Adjust.
1608         (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
1609         result into the valid table.
1610
1611 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
1612
1613         * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
1614         insn-config.h, insn-codes.h, recog.h, and optabs.h.
1615
1616 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1617
1618         * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove.
1619
1620 2010-05-26  Richard Guenther  <rguenther@suse.de>
1621
1622         * opts.c (common_handle_option): Handle OPT_Ofast.
1623
1624 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
1625
1626         * diagnostic.c: Don't include opts.h.
1627         (permissive_error_option): Define.
1628         (diagnostic_initialize): Take n_opts parameter.  Allocate memory
1629         for classify_diagnostic.  Don't use memset for
1630         classify_diagnostic.  Initialize new and recently added fields.
1631         (diagnostic_classify_diagnostic): Use context->n_opts instead of
1632         N_OPTS.
1633         (diagnostic_report_diagnostic): Pass context parameter to
1634         diagnostic_report_warnings_p.  Use option_enabled and option_name
1635         hooks from context.
1636         (emit_diagnostic): Use permissive_error_option.
1637         (permerror): Likewise.
1638         * diagnostic.h: Don't include options.h.
1639         (struct diagnostic_context): Add n_opts, opt_permissive,
1640         inhibit_warnings, warn_system_headers, option_enabled and
1641         option_name fields.  Change classify_diagnostic to a pointer.
1642         * opts-diagnostic.h: New file.
1643         * opts.c: Include opts-diagnostic.h.
1644         (common_handle_option): Set global_dc fields for -Wfatal-errors,
1645         -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
1646         (option_name): New function.
1647         * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
1648         (c_common_handle_option): Set global_dc->permissive for
1649         -fpermissive.
1650         * c-common.c (c_cpp_error): Save and restore
1651         global_dc->warn_system_headers, not variable warn_system_headers.
1652         * toplev.c: Include opts-diagnostic.h.
1653         (general_init): Update call to diagnostic_initialize.  Set
1654         global_dc->show_column, global_dc->option_enabled and
1655         global_dc->option_name.
1656         (process_options): Don't set global_dc fields here.
1657         * Makefile.in (DIAGNOSTIC_H): Remove options.h.
1658         (diagnostic.o, opts.o, toplev.o): Update dependencies.
1659
1660 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1661
1662         * config/picochip/picochip.md (movsi): Split a movsi from a
1663         const after reload.
1664
1665 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1666
1667         * ggc-zone.c: Update copyright year.
1668         (poison_region): Mark memory for Valgrind as undefined before
1669         memset () call and inaccessible afterwards.
1670         (ggc_pch_total_size): Change type of i to int.
1671
1672 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1673
1674         * ggc-common.c (ggc_free_overhead): Allow empty slot.
1675
1676 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1677
1678         * ggc-common.c: Update copyright year.
1679         (ggc_rlimit_bound): Remove prototype.  Compile only if
1680         !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
1681         (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
1682         && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
1683         (ggc_min_heapsize_heuristic): Likewise.
1684
1685 2010-05-26  Richard Guenther  <rguenther@suse.de>
1686
1687         PR rtl-optimization/44164
1688         * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
1689         no-common access-path disambiguation.
1690         (indirect_ref_may_alias_decl_p): Adjust.
1691         (indirect_refs_may_alias_p): Likewise.
1692         (refs_may_alias_p_1): Likewise.
1693
1694 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
1695
1696         * c-typeck.c: Do not include expr.h.
1697
1698 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
1699
1700         * rtl.h (decl_default_tls_model): Move prototype from here...
1701         * output.h: ...to here.
1702         * c-decl.c: Do not include rtl.h.
1703         * c-pragma.c: Likewise.
1704         * c-parser.c: Likewise.
1705         * c-gimplify.c: Likewise.  And also not hard-reg-set.
1706         * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
1707         FIXME note for it.  Add a FIXME note for expr.h.
1708         * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
1709         ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
1710         defined.
1711
1712 2010-05-26  Jakub Jelinek  <jakub@redhat.com>
1713
1714         PR target/44199
1715         * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
1716         or total_size is larger than red zone size for non-V4 ABI, emit a
1717         stack_tie resp. frame_tie insn before stack pointer restore.
1718         * config/rs6000/rs6000.md (frame_tie): New insn.
1719
1720 2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1721
1722         * function.h (struct function): Add can_throw_non_call_exceptions bit.
1723         * lto-streamer-in.c (input_function): Stream it in.
1724         * lto-streamer-out.c (output_function): Stream it out.
1725         * function.c (allocate_struct_function): Set it.
1726         (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
1727         for flag_non_call_exceptions.
1728         * cfgbuild.c (control_flow_insn_p): Likewise.
1729         (make_edges): Likewise.
1730         * cfgexpand.c (expand_stack_alignment): Likewise.
1731         * combine.c (distribute_notes): Likewise.
1732         * cse.c (cse_extended_basic_block): Likewise.
1733         * except.c (insn_could_throw_p): Likewise.
1734         * gcse.c (simple_mem): Likewise.
1735         * ipa-pure-const.c (check_call): Likewise.
1736         (check_stmt ): Likewise.
1737         * lower-subreg.c (lower-subreg.c): Likewise.
1738         * optabs.c (emit_libcall_block): Likewise.
1739         (prepare_cmp_insn): Likewise.
1740         * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
1741         * postreload.c (rest_of_handle_postreload): Likewise.
1742         * reload1.c (reload_as_needed): Likewise.
1743         (emit_input_reload_insns): Likewise.
1744         (emit_output_reload_insns): Likewise.
1745         (fixup_abnormal_edges): Likewise.
1746         * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
1747         * store-motion.c (find_moveable_store): Likewise.
1748         * tree-eh.c (stmt_could_throw_p): Likewise.
1749         (tree_could_throw_p): Likewise.
1750         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1751         * config/arm/arm.c (arm_expand_prologue): Likewise.
1752         (thumb1_expand_prologue): Likewise.
1753         * config/rx/rx.md (cbranchsf4): Likewise.
1754         (cmpsf): Likewise.
1755         * config/s390/s390.c (s390_emit_prologue): Likewise.
1756         * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
1757         (inline_forbidden_into_p): New predicate.
1758         (expand_call_inline): Use it to forbid inlining.
1759         (tree_can_inline_p): Likewise.
1760
1761 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
1762
1763         * config/i386/i386-c.c: Do not include rtl.h.
1764         * config/i386/t-i386: Update dependencies.
1765
1766 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
1767
1768         * attribs.c: Do not include rtl.h.
1769         * Makefile.in: Update dependencies.
1770
1771 2010-05-25  Anatoly Sokolov  <aesok@post.ru>
1772
1773         * double-int.h (double_int_and): New.
1774         * combine.c (try_combine): Clean up, use double_int_* and
1775         immed_double_int_const functions.
1776
1777 2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1778
1779         * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
1780         stderr to /dev/null instead of grep -q.
1781         * configure: Regenerate.
1782
1783 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
1784
1785         * Makefile.in (EXCEPT_H): Fix typo.
1786
1787 2010-05-25  Vladimir Makarov <vmakarov@redhat.com>
1788
1789         * ira-build.c (update_conflict_hard_reg_costs): New.
1790         (ira_build): Call update_conflict_hard_reg_costs.
1791
1792 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
1793
1794         PR debug/41371
1795         * var-tracking.c (find_loc_in_1pdv): Guard asserts with
1796         ENABLE_CHECKING.
1797         (intersect_loc_chains): Walk the s2var's loc_chain together
1798         with s1node chain as long as the locations are equal, don't
1799         call find_loc_in_1pdv in that case.
1800
1801         PR debug/42801
1802         * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
1803         (copy_bind_expr): ... instead of here.
1804         (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
1805         if the block hasn't been remapped.
1806         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
1807         emitting concrete instance of abstract VLA, add DW_AT_type attribute.
1808
1809 2010-05-25  Richard Guenther  <rguenther@suse.de>
1810
1811         PR middle-end/44069
1812         * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
1813         out-of-bounds array accesses.
1814
1815 2010-05-25  Richard Guenther  <rguenther@suse.de>
1816
1817         * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
1818         (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
1819         (run_gcc): Re-organize to make cleanup easier.
1820
1821 2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1822
1823         * config/s390/s390.c (optimization_options): Fix and move the
1824         flag_prefetch_loop_arrays override ...
1825         (override_options): ... here.
1826
1827 2010-05-25  Joseph Myers  <joseph@codesourcery.com>
1828
1829         * diagnostic.c: Don't include plugin.h.
1830         (diagnostic_report_diagnostic): Don't handle plugins specially
1831         here.  Pass context to internal_error callback.
1832         * diagnostic.h (struct diagnostic_context): Add context parameter
1833         to internal_error callback.
1834         * plugin.c (warn_if_plugins, plugins_internal_error_function): New.
1835         * plugin.h (struct diagnostic_context): Declare.
1836         (warn_if_plugins, plugins_internal_error_function): Declare.
1837         * toplev.c (general_init): Set global_dc->internal_error.
1838         * Makefile.in (diagnostic.o): Update dependencies.
1839
1840 2010-05-25 Iain Sandoe  <iains@gcc.gnu.org>
1841
1842         * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
1843         * config/rs6000/t-darwin64: New.
1844         * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
1845         build crt2.
1846
1847 2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>
1848
1849         PR 44203
1850         * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
1851         match the original (and intended) behaviour before r159557.  This
1852         changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
1853         in two ways.
1854
1855 2010-05-25  Richard Guenther  <rguenther@suse.de>
1856
1857         * doc/invoke.texi: Document -Ofast.
1858         * target.h (struct gcc_target): Add handle_ofast.
1859         * target-def.h (TARGET_HANDLE_OFAST): Add.
1860         (TARGET_INITIALIZER): Adjust.
1861         * opts.c (decode_options): Handle -Ofast.  Enable -ffast-math with it.
1862         * common.opt (Ofast): Add.
1863
1864 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
1865
1866         * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
1867         * doc/md.texi (cstoreXX4): Update for cond-optab changes.
1868
1869 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
1870
1871         PR target/43610
1872         * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
1873         even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
1874         false_rtx.  Use false_rtx to compute the correct *ptest for reversed
1875         comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.
1876
1877 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
1878
1879         * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
1880         DW_OP_minus with negated offset instead of DW_OP_plus.
1881         (loc_list_from_tree): Don't test whether second operand is INTEGER_CST.
1882
1883 2010-05-25  Wei Guozhi  <carrot@google.com>
1884
1885         * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
1886         tst instruction and a new alternative.
1887         * config/arm/constraints.md (Pu): New constraint.
1888
1889 2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * function.c (assign_stack_local_1): Initialize variable
1892         to avoid warning when bootstrapping at -O3.
1893
1894 2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>
1895
1896         * configure.ac (all_lang_makefiles): Remove everything related to it.
1897         * configure: Regenerate.
1898         * Makefile.in: Fix reference to ada Make-lang.in.
1899         Remove support for LANG_MAKEFILES.
1900
1901 2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
1902             Sandra Loosemore  <sandra@codesourcery.com>
1903
1904         * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
1905         * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
1906         description.  Add arm_neon_fp16_ok.
1907         (Add Options): Add arm_neon and arm_neon_fp16.
1908
1909 2010-05-24  Joseph Myers  <joseph@codesourcery.com>
1910
1911         * diagnostic.c: Don't include flags.h.
1912         (pedantic_warning_kind, permissive_error_kind): Take diagnostic
1913         context parameters.  Check flags in the context passed as a parameter.
1914         (diagnostic_build_prefix): Add context parameter.  Check
1915         show_column flag in context.
1916         (diagnostic_action_after_output): Check fatal_errors flag in context.
1917         (diagnostic_report_current_module): Check show_column flag in context.
1918         (default_diagnostic_starter): Update call to
1919         diagnostic_build_prefix.
1920         (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind.
1921         (emit_diagnostic): Pass context to permissive_error_kind.
1922         (permerror): Pass context to permissive_error_kind.
1923         * diagnostic.h (struct diagnostic_context): Add show_column,
1924         pedantic_errors, permissive and fatal_errors fields.
1925         (diagnostic_build_prefix): Update prototype.
1926         * langhooks.c
1927         * toplev.c (process_options): Set flags in global_dc from
1928         flag_show_column, flag_pedantic_errors, flag_permissive,
1929         flag_fatal_errors.
1930         * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
1931         to diagnostic_build_prefix.
1932         * Makefile.in (diagnostic.o): Update dependencies.
1933
1934 2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1935
1936         * config/i386/ia32intrin.h (__crc32q): Define only if
1937         __SSE4_2__ is defined.
1938
1939 2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>
1940
1941         PR target/44132
1942         PR middle-end/43602
1943         * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
1944         DECL_VISIBILITY_SPECIFIED.
1945         (emutls_decl): Set DECL_PRESERVE_P and copy
1946         DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
1947         (emutls_finalize_control_var): New callback.
1948         (emutls_finish): Finalize emutls control variables.
1949         * toplev.c (compile_file): Move the call to emutls_finish ()
1950         before varpool_assemble_pending_decls ().
1951
1952 2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>
1953
1954         * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
1955         added to the preprocessor condition.
1956
1957 2010-05-24  Paul Brook  <paul@codesourcery.com>
1958
1959         * gengtype-lex.l: Add HARD_REG_SET.
1960         * expr.c (expand_expr_real_1): Record writes to hard registers.
1961         * function.c (rtl_data): Add asm_clobbers.
1962         * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
1963         (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
1964         Use crtl->asm_clobbers.
1965
1966 2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1967
1968         * doc/makefile.texi (Makefile): Mention stages 'profile'
1969         and 'feedback' for profiledbootstrap.
1970
1971 2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>
1972
1973         PR target/44245
1974         * config/i386/i386.c (def_builtin): Properly check
1975         OPTION_MASK_ISA_64BIT.
1976
1977 2010-05-23  Joseph Myers  <joseph@codesourcery.com>
1978
1979         * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
1980         typedefs with different but compatible types.  Allow duplicate
1981         typedefs with the same type except for pedantic non-C1X, but give
1982         warning for variably modified types.
1983         * c-typeck.c (tagged_types_tu_compatible_p,
1984         function_types_compatible_p, type_lists_compatible_p,
1985         comptypes_internal): Add parameter different_types_p; set
1986         *different_types_p for different but compatible types.  All
1987         callers changed.
1988         (comptypes_check_different_types): New.
1989         * c-tree.h (comptypes_check_different_types): Declare.
1990
1991 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
1992
1993         * regs.h: Do not include obstack.h, basic-block.h.  Include machmode.h.
1994         * jump.c: Include basic-block.h.
1995         * profile.c: Likewise.
1996         * tree-profile.c: Likewise.
1997         * coverage.c: Likewise.
1998         * basic-block.h (optimize_function_for_size_p): Move to function.h.
1999         (optimize_function_for_speed_p): Likewise.
2000         * function.h (optimize_function_for_size_p,
2001         optimize_function_for_speed_p): Moved here from basic-block.h.
2002         * Makefile.in: Update dependencies.
2003
2004 2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2005
2006         * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
2007         before calling make; allow override through $MAKE.
2008         * doc/invoke.texi (Optimize Options): Document override.
2009
2010 2010-05-23  Anatoly Sokolov  <aesok@post.ru>
2011
2012         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
2013         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2014         (rs6000_mode_dependent_address_ptr): Make static.
2015         * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2016         * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
2017         Remove.
2018
2019 2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>
2020
2021         PR target/43869
2022         * config/i386/i386.c: Make sure that the correct regparm is passed.
2023
2024 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
2025
2026         * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
2027         * sbitmap.c: ...to here to internalize sbitmap element access.
2028         Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
2029         Explain why basic-block.h is included.
2030         * function.h: Include tm.h for CUMULATIVE_ARGS.
2031         * Makefile.in: Update dependencies.
2032
2033 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
2034
2035         * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
2036         New core types.
2037         * sbitmap.h (struct sbitmap_def): Do not typedef here.
2038         * sbitmap.c: Include sbitmap.h.
2039         * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
2040         hard-reg-set.h.  Split everything related to regsets out from here...
2041         * regset.h: ...to here.  New file.
2042         * df.h: Include regset.h and sbitmap.h.
2043         * tree-flow.h: Likewise.
2044         * cfgloop.h: Likewise.
2045         * except.h: Do not include sbitmap.h.  Include hashtab.h.
2046         * cgraph.h: Include vec.h and function.h.
2047         * reload.h (struct insn_chain): Change types of live_throughout
2048         and dead_or_set from regset_head to bitmap_head.
2049         (compute_use_by_pseudos): Be defined also if regset.h is not included.
2050         * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
2051         spilled_regs from regset_head to bitmap_head to avoid dependency
2052         in regset.h.
2053         * sel-sched-ir.h: Include regset.h.
2054         * reload.c: Include df.h before reload.h.
2055         * caller-save.c: Likewise.
2056         * reload1.c: Likewise.
2057         * ira.c: Likewise.
2058         (mark_elimination): Update type of r to bitmap, consistent with
2059         DF_LR_IN.
2060         * dominance.c: Include bitmap.h.
2061         * modulo-sched.c: Include df.h.
2062         * cfganal.c: Include bitmap.h and sbitmap.h.
2063         * cfgbuild.c: Include sbitmap.h.
2064         * lcm.c: Include sbitmap.h.
2065         * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
2066         * domwalk.c: Include sbitmap.h, exclude ggc.h.
2067         * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
2068         * cselib.c: Include bitmap.h.
2069         * tree-optimize.c: Include regset.h.
2070         * stmt.c: Include bitmap.h.
2071         * Makefile.in: Update dependencies.
2072
2073 2010-05-22  Jan Hubicka  <jh@suse.cz>
2074
2075         * cgraph.h (struct varpool_node): Add same_comdat_group.
2076         * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
2077         pointer.
2078         (output_varpool): Update call of lto_output_varpool_node.
2079         (input_varpool): Read same_comdat_group pointer.
2080         (input_varpool_1): Fixup same_comdat_group pointer.
2081         * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
2082         group is needed, all are.
2083         * varpool.c (varpool_remove_node): Remove node from same comdat group
2084         linklist too.
2085         (varpool_analyze_pending_decls): Walk same comdat groups.
2086
2087 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
2088
2089         * rtl.h (union rtunion_def): Remove rt_bit member.
2090         (XBITMAP, X0BITMAP, XCBITMAP): Remove.
2091         * print-rtl (print_rtx): Do not print the member.
2092         * gengtype.c (adjust_field_rtx_def): Do not handle it.
2093         * gengenrtl.c (type_from_format): Likewise.
2094         (accessor_from_format): Likewise.
2095
2096 2010-05-22  Joseph Myers  <joseph@codesourcery.com>
2097
2098         * dbgcnt.c: Include toplev.h instead of errors.h.
2099         * ira-emit.c: Don't include errors.h.
2100         * ira.c: Include toplev.h instead of errors.h.
2101         * lto-compress.c: Include toplev.h instead of errors.h.
2102         * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
2103         ira.o, dbgcnt.o): Update dependencies.
2104
2105 2010-05-22  Richard Guenther  <rguenther@suse.de>
2106
2107         * gimple.c (gimple_types_compatible_p): Check type qualifications
2108         before merging pointer to complete and pointer to incomplete type.
2109         * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
2110         we use our own resolution algorithm.  The gold linker plugin
2111         doesn't do the job we want it to do here.
2112
2113 2010-05-22  Anatoly Sokolov  <aesok@post.ru>
2114
2115         * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2116         * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2117         (sparc_mode_dependent_address_p): New function.
2118
2119 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
2120
2121         * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.
2122
2123         * timevar.c: Do not include any core headers.
2124         (timevar_print): De-i18n-ize.
2125         (print_time): Likewise.
2126         * timevar.h (timevar_push, timevar_pop): Make inline functions.
2127
2128 2010-05-21  Joseph Myers  <joseph@codesourcery.com>
2129
2130         * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
2131         langhooks-def.h.
2132         (diagnostic_initialize): Initialize x_data not last_function.
2133         (diagnostic_report_current_function): Move to tree-diagnostic.c.
2134         (default_diagnostic_starter): Call
2135         diagnostic_report_current_module not
2136         diagnostic_report_current_function.
2137         (diagnostic_report_diagnostic): Initialize x_data not
2138         abstract_origin.
2139         (verbatim): Likewise.
2140         * diagnostic.h (struct diagnostic_info): Change abstract_origin to
2141         x_data.
2142         (struct diagnostic_context): Change last_function to x_data.
2143         (diagnostic_auxiliary_data): Replace with
2144         diagnostic_context_auxiliary_data and
2145         diagnostic_info_auxiliary_data.
2146         (diagnostic_last_function_changed, diagnostic_set_last_function,
2147         diagnostic_report_current_function): Move to tree-diagnostic.h.
2148         (print_declaration, dump_generic_node, print_generic_stmt,
2149         print_generic_stmt_indented, print_generic_expr,
2150         print_generic_decl, debug_c_tree, dump_omp_clauses,
2151         print_call_name, debug_generic_expr, debug_generic_stmt,
2152         debug_tree_chain, default_tree_printer): Move to
2153         tree-pretty-print.h.
2154         (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
2155         print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
2156         gimple-pretty-print.h.
2157         * pretty-print.c: Don't include tree.h
2158         (pp_base_format): Don't handle %K here.
2159         (pp_base_tree_identifier): Move to tree-pretty-print.c.
2160         * pretty-print.h (text_info): Change abstract_origin to x_data.
2161         (pp_tree_identifier, pp_unsupported_tree,
2162         pp_base_tree_identifier): Move to tree-pretty-print.h.
2163         * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
2164         tree-pretty-print.h: New files.
2165         * tree-pretty-print.c: Include tree-pretty-print.h.
2166         (percent_K_format): New.  Moved from pretty-print.c.
2167         (pp_base_tree_identifier): Move from pretty-print.c.
2168         * c-objc-common.c: Include tree-pretty-print.h.
2169         (c_tree_printer): Handle %K here.
2170         * langhooks.c: Include tree-diagnostic.h.
2171         (lhd_print_error_function): Use diagnostic_abstract_origin macro.
2172         * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
2173         (default_tree_printer): Handle %K using percent_K_format.
2174         (general_init): Use default_tree_diagnostic_starter.
2175         * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
2176         (free_lang_data): Use default_tree_diagnostic_starter.
2177         * c-pretty-print.c: Include tree-pretty-print.h.
2178         * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h.
2179         * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h.
2180         * dwarf2out.c: Include tree-pretty-print.h.
2181         * except.c: Include tree-pretty-print.h.
2182         * gimple-pretty-print.c: Include tree-pretty-print.h and
2183         gimple-pretty-print.h.
2184         * gimplify.c: Include tree-pretty-print.h.
2185         * graphite-poly.c: Include tree-pretty-print.h and
2186         gimple-pretty-print.h.
2187         * ipa-cp.c: Include tree-pretty-print.h.
2188         * ipa-inline.c: Include gimple-pretty-print.h.
2189         * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h.
2190         * ipa-pure-const.c: Include gimple-pretty-print.h.
2191         * ipa-struct-reorg.c: Include tree-pretty-print.h and
2192         gimple-pretty-print.h.
2193         * ipa-type-escape.c: Include tree-pretty-print.h.
2194         * print-rtl.c: Include tree-pretty-print.h.
2195         * print-tree.c: Include gimple-pretty-print.h.
2196         * sese.c: Include tree-pretty-print.h.
2197         * tree-affine.c: Include tree-pretty-print.h.
2198         * tree-browser.c: Include tree-pretty-print.h.
2199         * tree-call-cdce.c: Include gimple-pretty-print.h.
2200         * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h.
2201         * tree-chrec.c: Include tree-pretty-print.h.
2202         * tree-data-ref.c: Include tree-pretty-print.h and
2203         gimple-pretty-print.h.
2204         * tree-dfa.c: Include tree-pretty-print.h.
2205         * tree-if-conv.c: Include tree-pretty-print.h and
2206         gimple-pretty-print.h.
2207         * tree-inline.c: Include tree-pretty-print.h.
2208         * tree-into-ssa.c: Include tree-pretty-print.h and
2209         gimple-pretty-print.h.
2210         * tree-nrv.c: Include tree-pretty-print.h.
2211         * tree-object-size.c: Include tree-pretty-print.h and
2212         gimple-pretty-print.h.
2213         * tree-outof-ssa.c: Include tree-pretty-print.h and
2214         gimple-pretty-print.h.
2215         * tree-parloops.c: Include tree-pretty-print.h and
2216         gimple-pretty-print.h.
2217         * tree-predcom.c: Include tree-pretty-print.h and
2218         gimple-pretty-print.h.
2219         * tree-scalar-evolution.c: Include tree-pretty-print.h and
2220         gimple-pretty-print.h.
2221         * tree-sra.c: Include tree-pretty-print.h.
2222         * tree-ssa-address.c: Include tree-pretty-print.h.
2223         * tree-ssa-alias.c: Include tree-pretty-print.h.
2224         * tree-ssa-ccp.c: Include tree-pretty-print.h and
2225         gimple-pretty-print.h.
2226         * tree-ssa-coalesce.c: Include tree-pretty-print.h.
2227         * tree-ssa-copy.c: Include tree-pretty-print.h and
2228         gimple-pretty-print.h.
2229         * tree-ssa-copyrename.c: Include tree-pretty-print.h.
2230         * tree-ssa-dce.c: Include tree-pretty-print.h and
2231         gimple-pretty-print.h.
2232         * tree-ssa-dom.c: Include tree-pretty-print.h and
2233         gimple-pretty-print.h.
2234         * tree-ssa-dse.c: Include gimple-pretty-print.h.
2235         * tree-ssa-forwprop.c: Include tree-pretty-print.h.
2236         * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
2237         * tree-ssa-live.c: Include tree-pretty-print.h and
2238         gimple-pretty-print.h.
2239         * tree-ssa-loop-im.c: Include tree-pretty-print.h and
2240         gimple-pretty-print.h.
2241         * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
2242         gimple-pretty-print.h.
2243         * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
2244         gimple-pretty-print.h.
2245         * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
2246         gimple-pretty-print.h.
2247         * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
2248         * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
2249         * tree-ssa-operands.c: Include tree-pretty-print.h and
2250         gimple-pretty-print.h.
2251         * tree-ssa-phiprop.c: Include tree-pretty-print.h and
2252         gimple-pretty-print.h.
2253         * tree-ssa-pre.c: Include tree-pretty-print.h and
2254         gimple-pretty-print.h.
2255         * tree-ssa-propagate.c: Include gimple-pretty-print.h.
2256         * tree-ssa-reassoc.c: Include tree-pretty-print.h and
2257         gimple-pretty-print.h.
2258         * tree-ssa-sccvn.c: Include tree-pretty-print.h and
2259         gimple-pretty-print.h.
2260         * tree-ssa-sink.c: Include gimple-pretty-print.h.
2261         * tree-ssa-ter.c: Include tree-pretty-print.h and
2262         gimple-pretty-print.h.
2263         * tree-ssa-uninit.c: Include gimple-pretty-print.h.
2264         * tree-ssa.c: Include tree-pretty-print.h and
2265         gimple-pretty-print.h.
2266         * tree-stdarg.c: Include gimple-pretty-print.h.
2267         * tree-switch-conversion.c: Include gimple-pretty-print.h.
2268         * tree-tailcall.c: Include tree-pretty-print.h and
2269         gimple-pretty-print.h.
2270         * tree-vect-data-refs.c: Include tree-pretty-print.h and
2271         gimple-pretty-print.h.
2272         * tree-vect-loop-manip.c: Include tree-pretty-print.h and
2273         gimple-pretty-print.h.
2274         * tree-vect-loop.c: Include tree-pretty-print.h and
2275         gimple-pretty-print.h.
2276         * tree-vect-patterns.c: Include gimple-pretty-print.h.
2277         * tree-vect-slp.c: Include tree-pretty-print.h and
2278         gimple-pretty-print.h.
2279         * tree-vect-stmts.c: Include tree-pretty-print.h and
2280         gimple-pretty-print.h.
2281         * tree-vectorizer.c: Include tree-pretty-print.h.
2282         * tree-vrp.c: Include tree-pretty-print.h and
2283         gimple-pretty-print.h.
2284         * value-prof.c: Include tree-pretty-print.h and
2285         gimple-pretty-print.h.
2286         * var-tracking.c: Include tree-pretty-print.h.
2287         * Makefile.in (OBJS-common): Add tree-diagnostic.o.
2288         (tree-diagnostic.o): New dependencies.
2289         (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
2290         tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
2291         tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
2292         tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
2293         tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
2294         tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
2295         tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
2296         tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
2297         tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
2298         tree-ssa-address.o, tree-ssa-loop-niter.o,
2299         tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
2300         tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
2301         tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
2302         gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
2303         tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
2304         tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
2305         tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
2306         tree-parloops.o, tree-stdarg.o, tree-object-size.o,
2307         gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
2308         toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
2309         ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
2310         ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
2311         tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
2312         tree-switch-conversion.o, var-tracking.o, value-prof.o,
2313         cfgexpand.o, pretty-print.o): Update dependencies.
2314
2315 2010-05-22  Andreas Tobler  <andreast@fgznet.ch>
2316
2317         * tree-ssa-structalias.c: Remove tm_p.h from include.
2318
2319 2010-05-21  Jeff Law  <law@redhat.com>
2320
2321         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.
2322
2323 2010-05-21  Jason Merrill  <jason@redhat.com>
2324
2325         * tree-eh.c (cleanup_is_dead_in): New.
2326         (lower_try_finally): Don't generate a dead cleanup region.
2327         (lower_cleanup): Likewise.
2328
2329 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
2330
2331         PR debug/44223
2332         * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
2333         unchain each use from the cyclic next_regno_use chain first.
2334
2335 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
2336
2337         * real: Do not include gmp.h, mpfr.h, and mpc.h.
2338         (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
2339         (real_value_negate, real_value_abs): New prototypes.
2340         (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
2341         * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
2342         new include file for interface between MPFR and REAL_VALUE_TYPE.
2343         * real.c: Include realmpfr.h.
2344         (real_arithmetic2): Remove legacy function.
2345         (real_value_negate): New.
2346         (real_value_abs): New.
2347         (mfpr_from_real, real_from_mpfr): Move from here...
2348         * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
2349         * builtins.c: Include realmpfr.h.
2350         * fold-const.c: Include realmpfr.h.
2351         (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
2352         (fold_negate_const): Likewise.
2353         (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
2354         * toplev.c: Include realmpfr.h.
2355         * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
2356         and real_value_negate.
2357         * fixed-value.c (check_real_for_fixed_mode): Likewise.
2358         * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
2359         (vfp3_const_double_index): Likewise.
2360         (arm_print_operand): Likewise.
2361         * Makefile.in: Update dependencies.
2362
2363 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2364
2365         * config/s390/s390.c (override_options): Increase the default
2366         of max-completely-peel-times.
2367
2368 2010-05-21  Julian Brown  <julian@codesourcery.com>
2369             Mark Mitchell  <mark@codesourcery.com>
2370
2371         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
2372         sibling calls for Thumb-1.
2373         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
2374         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
2375         Thumb-2.
2376         (*call_insn, *call_value_insn): Don't use for Thumb-2.
2377         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
2378         for Thumb-2.
2379         (return): New expander.
2380         (*arm_return): New name for ARM return insn.
2381         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
2382
2383 2010-05-19  Joel Sherrill <joel.sherrill@oarcorp.com>
2384
2385         * config.gcc (sparc64-*-rtems*): New target.
2386
2387 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
2388
2389         * tree.c (build_function_decl_skip_args): Fix grammar.
2390         (build_function_type_list_1): Fix typos, adjust formatting.
2391
2392 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
2393
2394         * tree.h: Include real.h and fixed-value.h as basic datatypes.
2395         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
2396         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
2397         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
2398         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
2399         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
2400         tree-pretty-print.c, tree-loop-distribution.c,
2401         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
2402         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
2403         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
2404         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
2405         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
2406         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
2407         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
2408         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
2409         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
2410         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
2411         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
2412         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
2413         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
2414         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
2415         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
2416         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
2417         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
2418         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
2419         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
2420         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
2421         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
2422         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
2423         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
2424         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
2425         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
2426         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
2427         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
2428         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
2429         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
2430         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
2431         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
2432         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
2433         config/score/score7.c, config/score/score.c, config/arm/arm.c,
2434         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
2435         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
2436         config/bfin/bfin.c: Clean up redundant includes.
2437         * Makefile.in: Update accordingly.
2438
2439 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
2440
2441         PR middle-end/44204
2442         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
2443         statement has no arguments.
2444
2445 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
2446
2447         PR/44139
2448         * varasm.c (emutls_decl): Merge attributes to new decl.
2449
2450 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
2451
2452         PR middle-end/44101
2453         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
2454         around the uniquized constructor if its type requires a conversion.
2455
2456 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
2457
2458         PR debug/44205
2459         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
2460         at -O0 goto_locus of any of the incoming edges differs from
2461         goto_locus of outgoing edge, or gimple_location of any of the
2462         labels differs.
2463
2464 2009-09-14  Vladimir Makarov <vmakarov@redhat.com>
2465
2466         * ira.c (ira_non_ordered_class_hard_regs): Define.
2467         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
2468         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
2469         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
2470         cost of unaligned hard regs when allocating multi-reg pseudos.
2471
2472 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
2473
2474         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
2475         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
2476         for TARGET_NO_FLOAT.
2477         * config/mips/mips.c (mips_file_start): Expand conditional expression
2478         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
2479         (mips_override_options): Move -mno-float override -msoft-float and
2480         -mhard-float.
2481         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
2482         Condition(TARGET_SUPPORTS_NO_FLOAT).
2483         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
2484         __mips_no_float here.
2485         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
2486         (TARGET_SUPPORTS_NO_FLOAT): Define.
2487         * config/mips/sdemtk.opt: Delete.
2488
2489 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
2490
2491         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond.
2492
2493 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
2494
2495         PR target/43733
2496         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
2497         * configure: Regenerate.
2498         * config.in: Regenerate.
2499         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
2500         instead of sahf only for 64bit targets.
2501
2502 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
2503
2504         PR debug/44178
2505         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
2506         setup_ref_regs for DEBUG_INSNs.
2507
2508 2010-05-20  Jan Hubicka  <jh@suse.cz>
2509
2510         PR middle-end/44197
2511         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
2512
2513 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
2514
2515         PR bootstrap/43870
2516         * df-scan.c (df_ref_compare): Stabilize sort.
2517
2518 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
2519
2520         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
2521         argument.  Don't use DW_OP_piece if offset is non-zero,
2522         put offset into second DW_OP_bit_piece argument.
2523         (dw_sra_loc_expr): Adjust callers.  For memory expressions
2524         compute offset.
2525
2526 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
2527
2528         PR target/44202
2529         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
2530         settings for 16-bit-constant "addo" alternative.
2531
2532 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
2533
2534         * config/mips/mips-dsp.md (add<DSPV:mode>3,
2535         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
2536
2537         PR target/43764
2538         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
2539         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
2540         Use it.
2541
2542 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
2543
2544         * diagnostic.c (FLOAT, FFS): Don't undefine.
2545         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
2546         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
2547         include ordering.
2548
2549 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
2550
2551         * combine.c (propagate_for_debug): Call make_compound_operation
2552         on the source value.
2553         (try_combine): When implementing a split chosen by find_split_point,
2554         either copy i2src or set it to null.  Assert that i2src is not null
2555         before substituting into CALL_INSN_FUNCTION_USAGE.
2556
2557 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
2558
2559         * double-int.h (double_int_ior): New function.
2560         * tree.h (build_int_cst_wide_type): Remove.
2561         * tree.c (build_int_cst_wide_type): Remove.
2562         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
2563         of build_int_cst_wide_type.
2564         * stor-layout.c (set_sizetype): (Ditto.).
2565         * dojump.c (do_jump): Use build_int_cstu instead of
2566         build_int_cst_wide_type.
2567
2568 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2569
2570         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
2571         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
2572         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
2573         * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
2574         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
2575         propagate the 'data' argument to copy_tree_r.
2576         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
2577         Propagate 'data' argument to walk_tree.
2578         (copy_if_shared): New function.
2579         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
2580         (unmark_visited): New function.
2581         (unshare_body): Call copy_if_shared instead of doing it manually.
2582         (unvisit_body): Call unmark_visited instead of doing it manually.
2583
2584 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
2585
2586         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
2587         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
2588         * hooks.c: Likewise.
2589         * target-def.h (TARGET_FOLD_BUILTIN): Define to
2590         hook_tree_tree_int_treep_bool_null.
2591         * target.h (struct gcc_target): Update signature of fold_builtin
2592         field.
2593         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
2594         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
2595         instead of the call expression.
2596         (fold_builtin_call_array): Pass n and argarray directly.
2597         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
2598         consing a list.
2599         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
2600         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
2601         `i' and use it in place of `arity'.
2602         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
2603         Dereference `args' directly.
2604         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
2605
2606 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2607
2608         * doc/sourcebuild.texi (Effective-Target Keywords): Document
2609         3dnow, sse3, sse2.
2610         (Directives): Document optional dg-require-effective-target
2611         selector.
2612
2613 2010-05-19  Richard Guenther  <rguenther@suse.de>
2614
2615         PR lto/44196
2616         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
2617
2618 2010-05-19  Richard Guenther  <rguenther@suse.de>
2619
2620         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
2621         * common.opt (fwhopr=): New.
2622         * opts.c (common_handle_option): Handle OPT_fwhopr.
2623         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
2624         * collect2.c (main): Match -fwhopr*.
2625         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
2626         Execute ltrans stage in parallel when jobs is bigger than 1.
2627
2628 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2629
2630         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
2631         pentiumpro on Solaris 8/x86 with Sun as.
2632         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
2633         hidden alias bug.
2634         (gcc_cv_as_ix86_quad): Check for .quad directive.
2635         * configure: Regenerate.
2636         * config.in: Regenerate.
2637         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
2638
2639 2010-05-19  Martin Jambor  <mjambor@suse.cz>
2640
2641         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
2642         also for indirect edges.  Actual printing moved...
2643         (ipa_print_node_jump_functions_for_edge): ...here.
2644         (ipa_compute_jump_functions): Renamed to
2645         ipa_compute_jump_functions_for_edge and made static.
2646         (ipa_compute_jump_functions): New function.
2647         (make_edge_direct_to_target): Check if the number of arguments on
2648         the newly direct edge is the same as the number of parametrs of
2649         the callee.
2650         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
2651         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
2652         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
2653         analysis functions unconditionally, call the new
2654         ipa_analyze_params_uses on the node instead of every edge.
2655
2656 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
2657
2658         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
2659         to tree.
2660         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
2661         also checks for a constant int vs.  non-constant but
2662         loop-invariant steps.
2663         (find_or_create_group): Change the sort algorithm to only consider
2664         steps that are constant ints.
2665         (idx_analyze_ref): Adopt code to handle a tree instead of a
2666         HOST_WIDE_INT for step.
2667         (gather_memory_references_ref): Handle tree instead of int and be
2668         prepared to see a NULL_TREE.
2669         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
2670         prefetches if the step cannot be calculated at compile time.
2671         (issue_prefetch_ref): Issue prefetches for non-constant but
2672         loop-invariant steps.
2673
2674 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
2675
2676         Revert:
2677         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
2678
2679         * tree.h (build_call_list): Remove.
2680         * tree.c (build_call_list): Remove.
2681
2682 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
2683
2684         * tree.h (build_call_list): Remove.
2685         * tree.c (build_call_list): Remove.
2686
2687 2010-05-18  Jan Hubicka  <jh@suse.cz>
2688
2689         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
2690
2691 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
2692
2693         PR rtl-optimization/43332
2694         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
2695
2696 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
2697
2698         * tree.h (build_int_cstu): Implement as static inline.
2699         * tree.c (build_int_cstu): Remove function.
2700         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
2701         sign extended.
2702
2703 2010-05-18  Richard Guenther  <rguenther@suse.de>
2704
2705         PR lto/44143
2706         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
2707         (debug): Initialize from -save-temps.
2708         (collect_execute): Print command-line when verbose.
2709         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
2710         for ltrans invocation.  Produce -dumpbase flag again.
2711         (process_args): Remove.
2712         (main): Simplify.
2713         * collect2.c (maybe_run_lto_and_relink): Only pass object
2714         files to lto-wrapper.
2715         * gcc.c (LINK_COMMAND_SPEC): Likewise.
2716
2717 2010-05-18  Jan Hubicka  <jh@suse.cz>
2718
2719         * opts.c (decode_options): Do not disable whopr at ipa_cp.
2720         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
2721
2722 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
2723
2724         PR lto/44184
2725         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
2726         in a GIMPLE_ASM.
2727         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
2728         in a GIMPLE_ASM.
2729
2730 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
2731
2732         PR debug/41371
2733         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
2734         rtx_equal_p inline.
2735
2736 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
2737
2738         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
2739         lto-macho as lto_binary_reader.
2740
2741         * darwin.c (darwin_asm_named_section): Do not add assembler comment
2742         after .section directive; just print it before the directive instead.
2743
2744 2010-05-17  Jan Hubicka  <jh@suse.cz>
2745
2746         * cgraph.c (cgraph_create_virtual_clone): Only check
2747         versionable_function_p when not in wpa and checking is enabled.
2748         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
2749         there are no more functions to materialize.
2750
2751 2010-05-17  Jan Hubicka  <jh@suse.cz>
2752
2753         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
2754         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
2755         New functions.
2756         (output_cgraph): Call output_cgraph_opt_summary.
2757         (input_cgrpah): Call input_cgraph_opt_summary.
2758         (output_cgraph_opt_summary_p, output_node_opt_summary,
2759         input_node_opt_summary, input_cgraph_opt_section): New functions.
2760         * lto-section-in.c (lto_section_name): Add cgraphopt.
2761         * tree-inline.c (tree_function_versioning): Handle parm_num.
2762         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
2763         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
2764
2765 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
2766
2767         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
2768         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
2769         the insn to prefetch ratio heuristic to loops with known trip count.
2770
2771 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
2772
2773         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
2774         (schedule_prefetches): Do not generate a prefetch if the unroll factor
2775         is far from what is required by the prefetch.
2776
2777 2010-05-17  Jan Hubicka  <jh@suse.cz>
2778
2779         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
2780         (ipcp_estimate_growth): Likewise.
2781         (ipcp_const_param_count): Likewise.
2782         (ipcp_insert_stage): Likewise.
2783         * ipa-prop.c (visit_load_for_mod_analysis): New function.
2784         (visit_store_addr_for_mod_analysis): Set used flag.
2785         (ipa_detect_param_modifications): Set used flag for SSE params;
2786         update use of walk_stmt_load_store_addr_ops.
2787         (ipa_print_node_params): Print used flag.
2788         (ipa_write_node_info): Stream used flag.
2789         (ipa_read_node_info): Likewise.
2790         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
2791         (ipa_is_param_used): New function.
2792         (lto_ipa_fixup_call_notes): Remove unused declaration.
2793
2794 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2795
2796         PR target/44074
2797         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
2798         * configure: Regenerate.
2799         * config.in: Regenerate.
2800         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
2801         !HAVE_AS_IX86_REP_LOCK_PREFIX.
2802         Don't emit whitespace.
2803         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
2804         (*rep_movsi): Likewise.
2805         (*rep_movsi_rex64): Likewise.
2806         (*rep_movqi): Likewise.
2807         (*rep_movqi_rex64): Likewise.
2808         (*rep_stosdi_rex64): Likewise.
2809         (*rep_stossi): Likewise.
2810         (*rep_stossi_rex64): Likewise.
2811         (*rep_stosqi): Likewise.
2812         (*rep_stosqi_rex64): Likewise.
2813         (*cmpstrnqi_nz_1): Use {%;} after repz.
2814         (*cmpstrnqi_nz_rex_1): Likewise.
2815         (*cmpstrnqi_1): Likewise.
2816         (*cmpstrnqi_rex_1): Likewise.
2817         (*strlenqi_1): Use {%;} after repnz.
2818         (*strlenqi_rex_1): Likewise.
2819         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
2820         (*sync_compare_and_swap<mode>): Likewise.
2821         (sync_double_compare_and_swap<mode>): Likewise.
2822         (*sync_double_compare_and_swapdi_pic): Likewise.
2823         (sync_old_add<mode>): Likewise.
2824         (sync_add<mode>): Likewise.
2825         (sync_sub<mode>): Likewise.
2826         (sync_<code><mode>): Likewise.
2827
2828 2010-05-17  Martin Jambor  <mjambor@suse.cz>
2829
2830         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
2831         otr_token and polymorphic.
2832         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
2833         (cgraph_clone_edge): Copy the above fields.
2834         * tree.c (get_binfo_at_offset): New function.
2835         * tree.h (get_binfo_at_offset): Declare.
2836         * ipa-prop.h (enum jump_func_type): Added known_type jump function
2837         type, reordered items, updated comments.
2838         (union jump_func_value): Added base_type field, reordered fields.
2839         (enum ipa_lattice_type): Moved down in the file.
2840         (struct ipa_param_descriptor): New field polymorphic.
2841         (ipa_is_param_polymorphic): New function.
2842         * ipa-prop.c: Include gimple.h and gimple-fold.h.
2843         (ipa_print_node_jump_functions): Print known type jump functions.
2844         (compute_complex_pass_through): Renamed to...
2845         (compute_complex_assign_jump_func): this.
2846         (compute_complex_ancestor_jump_func): New function.
2847         (compute_known_type_jump_func): Likewise.
2848         (compute_scalar_jump_functions): Create known type and complex ancestor
2849         jump functions.
2850         (ipa_note_param_call): New parameter polymorphic, set the corresponding
2851         flag in the call note accordingly.
2852         (ipa_analyze_call_uses): Renamed to...
2853         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
2854         variable var only in the block where it is used.
2855         (ipa_analyze_virtual_call_uses): New function.
2856         (ipa_analyze_call_uses): Likewise.
2857         (combine_known_type_and_ancestor_jfs): Likewise.
2858         (update_jump_functions_after_inlining): Implemented handling of a
2859         number of new jump function types combination.
2860         (print_edge_addition_message): Removed.
2861         (make_edge_direct_to_target): New function.
2862         (try_make_edge_direct_simple_call): Likewise.
2863         (try_make_edge_direct_virtual_call): Likewise.
2864         (update_call_notes_after_inlining): Renamed to...
2865         (update_indirect_edges_after_inlining): this.  Moved edge creation for
2866         indirect calls to try_make_edge_direct_simple_call, also calls
2867         try_make_edge_direct_virtual_call for virtual calls.
2868         (ipa_print_node_params): Changed the header message.
2869         (ipa_write_jump_function): Stream also known type jump functions.
2870         (ipa_read_jump_function): Likewise.
2871         (ipa_write_indirect_edge_info): Stream new fields in
2872         cgraph_indirect_call_info.
2873         (ipa_read_indirect_edge_info): Likewise.
2874         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
2875         GIMPLE_FOLD_H.
2876
2877 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2878
2879         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
2880
2881 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
2882
2883         * tree.h (CALL_EXPR_ARGS): Delete.
2884         (call_expr_arglist): Delete.
2885         * tree.c (call_expr_arglist): Delete.
2886         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
2887         targetm.fold_builtin.
2888         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
2889         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
2890         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
2891         arglist parameter.  Use CALL_EXPR_ARG.
2892         (picochip_expand_builtin_3op): Likewise.
2893         (picochip_expand_builtin_2opvoid): Likewise.
2894         (picochip_expand_array_get): Likewise.
2895         (picochip_expand_array_put): Likewise.
2896         (picochip_expand_array_testport): Likewise.
2897         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
2898         rather than arglist.
2899         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
2900         CALL_EXPR_ARGS.
2901         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
2902         than TREE_VALUE and TREE_CHAIN.
2903         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
2904         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
2905         the arglist.
2906
2907 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
2908
2909         PR bootstrap/42347
2910         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
2911         to have no fallthru edge.
2912
2913         PR middle-end/44102
2914         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
2915         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
2916         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
2917         add BARRIER after previous bb if needed.
2918
2919 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
2920
2921         * tree.c (build_function_type_list_1): Remove bogus assert condition.
2922
2923 2010-05-17  Alan Modra  <amodra@gmail.com>
2924
2925         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
2926         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
2927         with copy_reg rtx param.
2928         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
2929         Correct cases where code for ABI_V4 did not initialise the reg
2930         used to access frame.  Also leave frame_reg_rtx as sp for large
2931         frames that save no regs.
2932
2933 2010-05-17  Martin Jambor  <mjambor@suse.cz>
2934
2935         PR middle-end/44133
2936         * tree-sra.c (create_access_replacement): New parameter rename, mark
2937         the replaement for renaming only when it is true.
2938         (get_access_replacement): Pass true in the rename parameter of
2939         create_access_replacement.
2940         (get_unrenamed_access_replacement): New function.
2941         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
2942         replacement declaration from it.
2943
2944 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
2945
2946         * function.c (try_fit_stack_local, add_frame_space): New static
2947         functions.
2948         (assign_stack_local_1): Use them.  Look for opportunities to use
2949         space previously wasted on alignment.
2950         * function.h (struct frame_space): New.
2951         (struct rtl_data): Add FRAME_SPACE_LIST member.
2952         * reload1.c (something_was_spilled): New static variable.
2953         (alter_reg): Set it.
2954         (reload): Test it in addition to testing if the frame size changed.
2955
2956 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
2957
2958         * config/s390/s390.c: Define sane prefetch settings and activate
2959         flag_prefetch_loop_arrays on -O3.
2960         * config/s390/s390.h: Declare that read can use write prefetch.
2961
2962 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
2963
2964         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
2965         build.
2966
2967 2010-05-16  Jan Hubicka  <jh@suse.cz>
2968
2969         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
2970         function body; do not check stdarg field of struct function.
2971
2972 2010-05-16  Jan Hubicka  <jh@suse.cz>
2973
2974         * cgraph.c (dump_cgraph_node): Dump versionable flag.
2975         * cgraph.h (cgraph_local_info): Add versionable flag.
2976         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
2977         (ipcp_versionable_function_p): Use it.
2978         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
2979         versionable flag.
2980
2981 2010-05-16  Jan Hubicka  <jh@suse.cz>
2982
2983         * cgraph.c (cgraph_clone_node): Take decl argument and insert
2984         clone into hash when it is different from orig.
2985         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
2986         * cgraph.h (cgraph_clone_node): Update prototype.
2987         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
2988         (lto_cgraph_encoder_delete): Delete body map.
2989         (lto_cgraph_encoder_size): Move to header.
2990         (lto_cgraph_encoder_encode_body_p,
2991         lto_set_cgraph_encoder_encode_body): New.
2992         (lto_output_node): Do not take written_decls argument; output clone_of
2993         pointer.
2994         (add_node_to): Add include_body_argument; call
2995         lto_set_cgraph_encoder_encode_body on master of the clone.
2996         (add_references): Update use of add_node_to.
2997         (compute_ltrans_boundary): Likewise.
2998         (output_cgraph): Do not create written_decls bitmap.
2999         (input_node): Take nodes argument; stream in clone_of correctly.
3000         (input_cgraph_1): Update use of input_node.
3001         * lto-streamer-out.c (lto_output): Use encoder info to decide
3002         what bodies to output.
3003         * ipa-inline.c (cgraph_clone_inlined_nodes,
3004         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
3005         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
3006         (lto_cgraph_encoder_size): Define here.
3007         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
3008         Declare.
3009
3010 2010-05-16  Richard Guenther  <rguenther@suse.de>
3011
3012         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
3013         -fipa-type-escape.
3014         * ipa-type-escape.c (gate_type_escape_vars): Run when
3015         -fipa-struct-reorg runs.
3016         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
3017         * common.opt (fipa-type-escape): Remove.
3018
3019 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
3020
3021         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
3022         (decode_options): Likewise.
3023         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
3024
3025 2010-05-16  Jan Hubicka  <jh@suse.cz>
3026
3027         * ipa.c (function_and_variable_visibility): Also bring local all
3028         aliases.
3029
3030 2010-05-16  Richard Guenther  <rguenther@suse.de>
3031
3032         * alias.c (nonoverlapping_memrefs_p): Remove use of
3033         IPA type-escape information.
3034
3035 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
3036
3037         * c-common.c (c_common_reswords): Add _Static_assert for C.
3038         * c-parser.c (c_token_starts_declaration,
3039         c_parser_next_token_starts_declaration,
3040         c_parser_static_assert_declaration_no_semi,
3041         c_parser_static_assert_declaration): New.
3042         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
3043         Handle static assertions if static_assert_ok.
3044         (c_parser_external_declaration, c_parser_declaration_or_fndef,
3045         c_parser_compound_statement_nostart, c_parser_label,
3046         c_parser_for_statement, c_parser_objc_methodprotolist,
3047         c_parser_omp_for_loop): All callers of
3048         c_parser_declaration_or_fndef changed.
3049         (c_parser_struct_declaration): Handle static assertions.
3050         (c_parser_compound_statement_nostart): Use
3051         c_parser_next_token_starts_declaration and
3052         c_token_starts_declaration to detect start of declarations.
3053         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
3054         Likewise.
3055
3056 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
3057
3058         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
3059         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
3060         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
3061         TARGET_FUNCTION_VALUE_REGNO_P): Define.
3062         (mmix_function_outgoing_value): Rename to...
3063         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
3064         (mmix_function_value_regno_p): Make static.
3065         (mmix_libcall_value): New function.
3066         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
3067         mmix_function_value_regno_p): Remove declaration.
3068
3069 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
3070
3071         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
3072         BUILT_IN_ALLOCA if stack checking is enabled.
3073
3074 2010-05-16  Richard Guenther  <rguenther@suse.de>
3075
3076         * var-tracking.c (vars_copy_1): Inline ...
3077         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
3078         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
3079         (variable_merge_over_cur): Adjust.  Merge asserts.
3080         (variable_merge_over_src): Likewise.
3081         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
3082         (variable_post_merge_new_vals): Merge asserts.
3083         (variable_post_merge_perm_vals): Likewise.
3084         (find_mem_expr_in_1pdv): Likewise.
3085         (dataflow_set_different_value): Remove.
3086         (onepart_variable_different_p): Merge asserts.
3087         (variable_different_p): Likewise.
3088         (dataflow_set_different_1): Inline ...
3089         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
3090         (emit_notes_for_differences_1): Merge asserts.
3091
3092 2010-05-16  Richard Guenther  <rguenther@suse.de>
3093
3094         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
3095         * optabs.c (libfunc_decl_hash): Likewise.
3096         * varasm.c (emutls_decl): Likewise.
3097
3098 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
3099
3100         * c-decl.c: Don't include gimple.h.
3101         (merge_decls): Do not copy gimple_body.
3102
3103 2010-05-15  Jason Merrill  <jason@redhat.com>
3104
3105         * c.opt: Add -fnothrow-opt.
3106
3107 2010-05-15  Jan Hubicka  <jh@suse.cz>
3108
3109         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
3110         analyzed.
3111         * passes.c (ipa_write_summaries): Write all analyzed nodes.
3112
3113 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
3114
3115         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
3116         * Makefile.in: Add it.
3117         Fix all other Makefile dependencies for changes below.
3118         * tree.h: Include it instead of defining VEC primitives here.
3119         * gimple.h: Likewise.
3120         * rtl.h: Likewise.
3121         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
3122         * except.h: Include vecir.h, break dependence on tree.h.
3123
3124         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
3125         Move from here...
3126         * tree-iterator.c: ...to here.
3127         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
3128
3129         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
3130         tm_p.h.
3131         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
3132         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
3133         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
3134         tree-mudflap.h, and target.h.
3135         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
3136         predict.h, tree-inline.h, gimple.h, and langhooks.h.
3137         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
3138         Add FIXME for why gimple.h is still included (should be unnecessary
3139         since GCC 4.5 gimplification unit-at-a-time).
3140         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
3141         * c-pragma.c: Add FIXME for why function.h needs to be included just
3142         for cfun, at front-end level.
3143         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
3144         Do not include ggc.h, but include vecprim.h for VEC(char).
3145         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
3146         Explain why target.h is included.
3147         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
3148         Explain why gimple.h is included.
3149         * c-ppoutput.c: Do not include tm.h.
3150         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
3151         * c-parses.c: Explain why rtl.h is included, and that this (and only
3152         this) is also why tm.h must be included.
3153         Do not include except.h.
3154         * c-lang.c: Do not include ggc.h.
3155
3156 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
3157
3158         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
3159
3160 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
3161
3162         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
3163         unions by default if those structs and unions have no tags.  Do
3164         not condition anonymous struct and unions handling on flag_iso.
3165         Allow anonymous structs and unions for C1X.
3166         (finish_struct): Do not diagnose lack of named fields when
3167         anonymous structs and unions present for C1X.  Accept flexible
3168         array members in structure with anonymous structs or unions but no
3169         directly named fields.
3170         * doc/extend.texi (Unnamed Fields): Update.
3171
3172 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
3173
3174         * gimple.h (compare_field_offset): Rename into...
3175         (gimple_compare_field_offset): ...this.
3176         * gimple.c (compare_field_offset): Rename into...
3177         (gimple_compare_field_offset): ...this.  Compare the full access if
3178         the offset is self-referential.
3179         (gimple_types_compatible_p): Adjust for above renaming.
3180         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
3181         DECL_NONADDRESSABLE_P flag of fields before merging them.
3182
3183 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
3184
3185         * tree.h (ctor_to_list): Delete.
3186         * tree.c (ctor_to_list): Delete.
3187
3188 2010-05-15  Jan Hubicka  <jh@suse.cz>
3189
3190         * ipa-reference.c: Include toplev.h
3191         (is_proper_for_analysis): Only add to all_module_statics
3192         if it is allocated.
3193         (write_node_summary_p, stream_out_bitmap,
3194         ipa_reference_write_optimization_summary,
3195         ipa_reference_read_optimization_summary): New.
3196         (struct ipa_opt_pass_d pass_ipa_reference): Add
3197         optimization summary streaming.
3198         * lto-cgraph.c (referenced_from_this_partition_p,
3199         reachable_from_this_partition_p): New functions.
3200         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
3201         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
3202         * opts.c (decode_options): Enable ipa_reference.
3203         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
3204         * lto-streamer.h (referenced_from_this_partition_p,
3205         reachable_from_this_partition_p): Declare.
3206
3207 2010-05-15  Richard Guenther  <rguenther@suse.de>
3208
3209         PR tree-optimization/44038
3210         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
3211         taking the address of a V_C_E of a constant.
3212
3213 2010-05-14  Jan Hubicka  <jh@suse.cz>
3214
3215         * tree.h (memory_identifier_string): Remove.
3216         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
3217         (ipa_reference_global_vars_info_d): Remove statics_not_read and
3218         statics_not_written.
3219         (ipa_reference_optimization_summary_d): New structure.
3220         (ipa_reference_optimization_summary_t): New type and vector.
3221         (ipa_reference_vars_info_d): Embedd structures instead of using
3222         pointers.
3223         (reference_vars_to_consider): Remove out of GGC space.
3224         (module_statics_escape): Remove.
3225         (global_info_obstack): Rename to ...
3226         (optimization_summary_obstack): ... this one.
3227         (initialization_status_t): Remove.
3228         (memory_identifier_string): Remove.
3229         (get_reference_vars_info): Fix indenting.
3230         (set_reference_vars_info): Likewise.
3231         (get_reference_optimization_summary): New.
3232         (set_reference_optimization_summary): New.
3233         (get_global_reference_vars_info): Remove.
3234         (ipa_reference_get_read_global): Remove.
3235         (ipa_reference_get_written_global): Remove.
3236         (ipa_reference_get_not_read_global): Update.
3237         (ipa_reference_get_not_written_global): Update.
3238         (is_proper_for_analysis): Outlaw addressable.
3239         (propagate_bits): Update for new datastructures.
3240         (analyze_variable): Remove.
3241         (init_function_info): Update for new datastructures.
3242         (clean_function_local_data): Remove.
3243         (clean_function): Remove.
3244         (copy_global_bitmap): Use optimizations_summary_obstack.
3245         (duplicate_node_data): Duplicate optimization summary only.
3246         (remove_node_data): Remove optimization summary only.
3247         (generate_summary): Do not analyze variables; do not compute
3248         module_statics_escape; do not prune solutions by it.
3249         (read_write_all_from_decl): Fix typos in comments.
3250         (propagate): Doscover readonly and nonaddressable first;
3251         update for new datastructures; share global bitmaps.
3252         * ipa-reference.h (ipa_reference_get_read_global,
3253         ipa_reference_get_written_global): Remove.
3254         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
3255         * Makefile.in: Remove ipa-refereference from GT files.
3256
3257 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
3258
3259         PR debug/44112
3260         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
3261         for all SYMBOL_REF_DECLs.
3262
3263 2010-05-14  Jan Hubicka  <jh@suse.cz>
3264
3265         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
3266         (varpool_all_refs_explicit_p): New inline function.
3267         * ipa-reference.c: Update comment.
3268         (module_statics_written): Remove.
3269         (get_static_decl): Remove.
3270         (ipa_init): Do not initialize module_statics_written.
3271         (analyze_function): Likewise.
3272         (generate_summary): Likewise; do not compute module_statics_readonly
3273         and do not update variable flags.
3274         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
3275         * ipa.c: Inlucde flags.h
3276         (cgraph_local_node_p): New.
3277         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
3278         promote functions to local.
3279         (ipa_discover_readonly_nonaddressable_vars): New function.
3280         (function_and_variable_visibility): Use cgraph_local_node_p.
3281         * varpool.c (varpool_finalize_decl): Set force_output for
3282         DECL_PRESERVE_P vars.
3283
3284 2010-05-14  Jan Hubicka  <jh@suse.cz>
3285
3286         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
3287
3288 2010-05-14  Richard Guenther  <rguenther@suse.de>
3289
3290         PR tree-optimization/44119
3291         * tree-ssa-pre.c (eliminate): Properly mark replacement of
3292         a PHI node necessary.
3293
3294 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
3295
3296         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
3297
3298 2010-05-14  Jason Merrill  <jason@redhat.com>
3299
3300         PR c++/44127
3301         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
3302         (gimple_call_set_nothrow): New.
3303         * gimple.c (gimple_build_call_from_tree): Call it.
3304         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
3305
3306         PR c++/44127
3307         * gimplify.c (gimplify_seq_add_stmt): No longer static.
3308         * gimple.h: Declare it.
3309         * gimple.c (gimple_build_eh_filter): No ops.
3310
3311 2010-05-14  Jan Hubicka  <jh@suse.cz>
3312
3313         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
3314         nodes already in queue.
3315         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
3316         re-enqueueing node.
3317
3318 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
3319
3320         PR debug/44136
3321         * cfgexpand.c (expand_debug_expr): If non-memory op0
3322         has BLKmode, return NULL.
3323
3324 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
3325
3326         * config.gcc: Add support for --with-cpu option for bdver1.
3327         * config/i386/i386.h (TARGET_BDVER1): New macro.
3328         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
3329         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
3330         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
3331         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
3332         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
3333         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
3334         (processor_type): Add PROCESSOR_BDVER1.
3335         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
3336         processor_type in config/i386/i386.h.
3337         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
3338         movaps <reg, reg> instead of movapd <reg, reg> when replacing
3339         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
3340         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
3341         to emit packed xor instead of packed double/packed integer
3342         xor for SSE and AVX when moving a zero value.
3343         * config/i386/sse.md: Add check for
3344         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
3345         movapd/movdqa for SSE and AVX.
3346         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
3347         single logical operations i.e and, or and xor instead of packed double
3348         logical operations for SSE and AVX.
3349         * config/i386/i386-c.c (ix86_target_macros_internal):
3350         Add PROCESSOR_BDVER1.
3351         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
3352         (has_fma4, has_xop): New.
3353         * config/i386/i386.c (bdver1_cost): New variable.
3354         (m_BDVER1): New macro.
3355         (m_AMD_MULTIPLE): Add m_BDVER1.
3356         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
3357         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
3358         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
3359         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
3360         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
3361         x86_tune_sse_partial_reg_dependency,
3362         x86_tune_sse_unaligned_load_optimal,
3363         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
3364         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
3365         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
3366         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
3367         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
3368         Enable/disable for bdver1.
3369         (processor_target_table): Add bdver1_cost.
3370         (cpu_names): Add bdver1.
3371         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
3372          processor_alias_table.
3373         (ix86_expand_vector_move_misalign): Change.
3374         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
3375         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
3376         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
3377         of movupd/movdqu for SSE and AVX.
3378         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
3379         (ix86_tune_adjust_cost): Add code for bdver1.
3380         (standard_sse_constant_opcode): Add check for
3381         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
3382         of packed double xor for SSE and AVX.
3383
3384 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
3385
3386         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
3387         result to unsigned.
3388
3389 2010-05-14  Tristan Gingold  <gingold@adacore.com>
3390
3391         * toplev.c (default_debug_hooks): Remove this variable.
3392         (process_options): Remove assignments to default_debug_hooks.
3393
3394 2010-05-14  Martin Jambor  <mjambor@suse.cz>
3395
3396         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
3397         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
3398         * langhooks.h (struct lang_hooks_for_decls): Removed field
3399         fold_obj_type_ref.
3400         * tree.c (free_lang_data): Remove assignment to
3401         lang_hooks.fold_obj_type_ref.
3402         * tree.def (OBJ_TYPE_REF): Update comment.
3403
3404 2010-05-14  Richard Guenther  <rguenther@suse.de>
3405
3406         PR tree-optimization/44124
3407         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
3408
3409 2010-05-14  Alan Modra  <amodra@gmail.com>
3410
3411         PR target/44075
3412         * config/rs6000/rs6000.c (struct machine_function): Reorder
3413         fields for better packing.  Add lr_save_state.
3414         (rs6000_ra_ever_killed): Return lr_save_state if set.
3415         (rs6000_emit_eh_reg_restore): Set lr_save_state.
3416
3417 2010-05-13  Jan Hubicka  <jh@suse.cz>
3418
3419         * varpool.c (decide_is_variable_needed): Drop code checking
3420         TREE_SYMBOL_REFERENCED.
3421
3422 2010-05-13  Jan Hubicka  <jh@suse.cz>
3423
3424         * final.c (output_addr_const): Do not call mark_decl_referenced.
3425         * cgraphunit.c (process_function_and_variable_attributes): Use
3426         mark_needed_node dirrectly.
3427         (assemble_thunk): Do not call mark_decl_referenced.
3428
3429 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
3430
3431         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
3432
3433 2010-05-13  Jeff Law  <law@redhat.com>
3434
3435         * ira-conflicts.c (print_allocno_conflicts): New function broken out
3436         from...
3437         (print_conflicts): Call print_allocno_conflicts.
3438
3439 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
3440
3441         PR debug/44104
3442         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
3443         if it is NULL.
3444
3445 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
3446
3447         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
3448         t-mingw-w64 or t-mingw-w32 for multilib configuration.
3449         * config/i386/t-mingw-w32: New.
3450         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
3451
3452 2010-05-13  Martin Jambor  <mjambor@suse.cz>
3453
3454         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
3455         gimple-fold.c).
3456         * gimple-fold.c (get_base_binfo_for_type): New function.
3457         (gimple_get_relevant_ref_binfo): Likewise.
3458         (gimple_fold_obj_type_ref_known_binfo): Likewise.
3459         (gimple_fold_obj_type_ref): Likewise.
3460         (fold_gimple_call): Simplify condition for folding virtual calls
3461         and call gimple_fold_obj_type_ref.
3462         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
3463         (gimple_fold_obj_type_ref_known_binfo): Likewise.
3464
3465 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
3466
3467         * config/rs6000/rs6000-protos.h
3468         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
3469         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
3470         (rs6000_debug_mode_dependent_address)
3471         (rs6000_mode_dependent_address_ptr): Likewise.
3472
3473 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
3474
3475         PR debug/43983
3476         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
3477         by SRA.
3478         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
3479         * tree-sra.c (create_access_replacement): Call unshare_expr before
3480         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
3481         * dwarf2out.c: Include tree-flow.h.
3482         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
3483         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
3484         Handle DW_OP_bit_piece.
3485         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
3486         construct_piece_list, adjust_piece_list): New functions.
3487         (add_var_loc_to_decl): Handle SRA optimized variables.
3488         Adjust for var_loc_note to loc field renaming.
3489         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
3490         in VAR_LOCATION note.
3491         (new_loc_descr_op_bit_piece): New function.
3492         (dw_sra_loc_expr): New function.
3493         (dw_loc_list): Use it.  Don't handle the last range after the
3494         loop, handle it inside of the loop.  Adjust for var_loc_note
3495         to loc field renaming.
3496         (add_location_or_const_value_attribute): Only special case
3497         single entry loc lists if loc is NOTE_P.  Adjust for
3498         var_loc_note to loc field renaming.
3499         (dwarf2out_var_location): Don't set newloc->var_loc_note
3500         and newloc->next here.
3501
3502 2010-05-12  Jan Hubicka  <jh@suse.cz>
3503
3504         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
3505         flag.
3506         * cgraph.h (cgraph_only_called_directly_p,
3507         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
3508         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
3509         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
3510         (assemble
3511         * ipa.c (cgraph_remove_unreachable_nodes): Use
3512         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
3513         flags.
3514         * tree-inline.c (copy_bb): Check address_taken flag.
3515         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
3516         externally_visible flag.
3517
3518 2010-05-12  Jason Merrill  <jason@redhat.com>
3519
3520         PR bootstrap/44048
3521         PR target/44099
3522         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
3523         * sdbout.c (plain_type_1): Likewise.
3524         * dwarf2out.c (is_base_type): Likewise.
3525         (gen_type_die_with_usage): Likewise.  Generate
3526         DW_TAG_unspecified_type for any LANG_TYPE.
3527
3528 2010-05-12  Jan Hubicka  <jh@suse.cz>
3529
3530         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
3531         indrect edges too.
3532         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
3533         (cgraph_clone_edge): Update.
3534         (cgraph_node_remove_callees): Remove indirect calls too.
3535         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
3536         (cgraph_create_indirect_edge): Update prototype.
3537         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
3538         is_proper_for_analysis.
3539         (add_new_function, visited_nodes, function_insertion_hook_holder,
3540         get_local_reference_vars_info, mark_address_taken, mark_address,
3541         mark_load, mark_store, check_asm_memory_clobber, check_call,
3542         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
3543         (ipa_init): Do not initialize visited_nodes;
3544         function_insertion_hook_holder.
3545         (analyze_variable): Rewrite.
3546         (analyze_function): Rewrite.
3547         (copy_local_bitmap): Remove.
3548         (duplicate_node_dat): Do not duplicate local info.
3549         (generate_summary): Simplify to only walk cgraph.
3550         (write_node_summary_p, ipa_reference_write_summary,
3551         ipa_reference_read_summary): Remove.
3552         (propagate): Do not remove function insertion;
3553         generate summary.
3554         (pass_ipa_reference): NULLify summary handling fields.
3555         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
3556         (input_edge): Input ecf_flags.
3557         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
3558         (update_indirect_edges_after_inlining): Ignore edges with unknown
3559         param.
3560
3561 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
3562
3563         * implicit-zee.c: New file.
3564         * tree-pass.h (pass_implicit_zee): Declare.
3565         * passes.c (init_optimization_passes): Add zee pass.
3566         * common.opt (fzee): New flag.
3567         * timevar.def (TV_ZEE): Define.
3568         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
3569         and beyond.
3570         * Makefile.in (implicit-zee.o): Add new build file.
3571
3572 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
3573             Nathan Froyd  <froydnj@codesourcery.com>
3574
3575         * c-common.c (sync_resolve_params): Remove write-only variable.
3576
3577 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
3578
3579         * target.h (struct gcc_target): Add mode_dependent_address_p field.
3580         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
3581         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
3582         * targhooks.c (default_mode_dependent_address_p): New function.
3583         * targhooks.h (default_mode_dependent_address_p): Declare function.
3584         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
3585         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
3586         * recog.c (mode_dependent_address_p): Call mode_dependent_address_p
3587         target hook. Change return type to bool.
3588         * recog.h (mode_dependent_address_p): Change return type to bool.
3589
3590 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
3591             Nathan Froyd  <froydnj@codesourcery.com>
3592
3593         * tree-mudflap.c (build_function_type_0, build_function_type_1,
3594         build_function_type_2, build_function_type_3): Remove.
3595         (mudflap_init): Use build_function_type_list.
3596
3597 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
3598             Nathan Froyd  <froydnj@codesourcery.com>
3599
3600         * coverage.c (build_fn_info_value): Call build_constructor instead of
3601         build_constructor_from_list.
3602         (build_ctr_info_value): Likewise.
3603         (build_gcov_info): Likewise.
3604
3605 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
3606
3607         * tree.c (build_constructor): Compute TREE_CONSTANT for the
3608         resultant constructor.
3609         (build_constructor_single): Don't set TREE_CONSTANT.
3610         (build_constructor_from_list): Don't compute TREE_CONSTANT.
3611
3612 2010-05-12  Jan Hubicka  <jh@suse.cz>
3613
3614         * cgraph.h (struct varpool_node): Add aux.
3615         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
3616         * varpool.c (varpool_remove_node): Do not remove initializer.
3617         (varpool_reset_queue): Export.
3618         (varpool_finalize_decl): Volatile vars are forced to be output.
3619         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
3620         replaced decl.
3621         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
3622         process_references, varpool_can_remove_if_no_refs): New functions.
3623         (cgraph_remove_unreachable_nodes): Handle variables too.
3624
3625 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
3626
3627         PR target/44088
3628         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
3629
3630 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
3631
3632         PR middle-end/44085
3633         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
3634         change value of ORT_TASK.
3635         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
3636         (omp_notice_threadprivate_variable): New function.
3637         (omp_notice_variable): Call it for threadprivate variables.
3638         If enclosing ctx is a task, print enclosing task rather than
3639         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
3640         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
3641         if task has untied clause.
3642
3643         PR debug/42278
3644         * dwarf2out.c (base_type_die): Don't add name attribute here.
3645         (modified_type_die): Instead of sizetype use
3646         its underlying original type.  If a DW_TAG_base_type doesn't
3647         have name added, add __unknown__.
3648         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
3649         always call force_type_die instead.
3650
3651 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
3652
3653         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
3654         for __stack_chk_guard.
3655
3656 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
3657
3658         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
3659         don't call start_source_file debug hook here...
3660         (finish_options): ... but here, after outputting predefined and
3661         command line defines and undefs.
3662
3663         PR middle-end/44071
3664         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
3665         no fallthru edge.
3666         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
3667         optimizing away empty bb with no successors, move over its
3668         footer chain to fallthru predecessor.
3669         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
3670         (rtl_split_edge): For asm goto call patch_jump_insn even if
3671         splitting fallthru edge.
3672
3673         PR c++/44059
3674         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
3675         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
3676         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
3677         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
3678         on DW.ref.* decls.
3679
3680         PR c++/44062
3681         * c-parser.c (c_parser_expression): Mark LHS of a comma
3682         expression as read if it is a decl, handled component or
3683         COMPOUND_EXPR with that on the RHS.
3684         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
3685         if it is a decl or handled component.
3686
3687 2010-05-11  Jan Hubicka  <jh@suse.cz>
3688
3689         * lto-symtab.c (lto_symtab_free): New function.
3690         * lto-streamer.h (lto_symtab_free): Declare.
3691
3692 2010-05-11  Jan Hubicka  <jh@suse.cz>
3693
3694         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
3695         that if function is needed it is reachable.
3696         (lto_output_node): See if it the function is reachable or referenced.
3697         (output_cgraph): Update call of lto_output_node.
3698         * lto-streamer.h (reachable_from_other_partition_p): Declare.
3699
3700 2010-05-11  Jan Hubicka  <jh@suse.cz>
3701
3702         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
3703         Mark as used.
3704
3705 2010-05-11  Jan Hubicka  <jh@suse.cz>
3706
3707         PR tree-optimize/44063
3708         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
3709         queue.
3710         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
3711         limits.
3712         (estimate_function_body_sizes): Compute sizes even when disregarding.
3713
3714 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
3715
3716         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
3717
3718 2010-05-11  Jan Hubicka  <jh@suse.cz>
3719
3720         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
3721         into every boundary.
3722
3723 2010-05-11  Jan Hubicka  <jh@suse.cz>
3724
3725         * matrix-reorg.c (matrix_reorg): Rebuild edges.
3726
3727 2010-05-11  Jan Hubicka  <jh@suse.cz>
3728
3729         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
3730         lto_streamer_cache_delete): Put nodes into heap.
3731         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
3732         heap.
3733
3734 2010-05-11  Jan Hubicka  <jh@suse.cz>
3735
3736         * cgraphbuild.c (cgraph_rebuild_references): New.
3737         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
3738         out extern inlines.
3739         * cgraph.h (cgraph_rebuild_references): Declare.
3740         * tree-inline.c (tree_function_versioning): Use it.
3741         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
3742
3743 2010-05-11  Jan Hubicka  <jh@suse.cz>
3744
3745         * cgraph.c: Include ipa-utils.h
3746         (cgraph_create_virtual_clone): Update references.
3747         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
3748
3749 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
3750
3751         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
3752         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
3753         cache size.
3754
3755 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
3756
3757         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
3758
3759 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
3760
3761         * gcc.c (execute): For -### don't quote arguments that
3762         contain just alphanumerics and _/-. characters.
3763         * doc/invoke.texi: Document that change for -###.
3764
3765         PR debug/44023
3766         * df-problems.c (struct dead_debug): Add to_rescan field.
3767         (dead_debug_init): Clear to_rescan field.
3768         (dead_debug_finish): Rescan all debug insns in to_rescan
3769         bitmap and free the bitmap.
3770         (dead_debug_insert_before): Instead of rescanning debug insns
3771         immediately queue their rescanning until dead_debug_finish.
3772         (df_note_bb_compute): After dead_debug_add do continue instead
3773         of break.
3774
3775 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
3776
3777         PR debug/44028
3778         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
3779         clear also INSN_REG_USE_LIST.
3780
3781 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3782
3783         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
3784
3785 2010-05-10  Jan Hubicka  <jh@suse.cz>
3786
3787         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
3788         commited change.
3789
3790 2010-05-10  Jan Hubicka  <jh@suse.cz>
3791
3792         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
3793         Allocate encoders.
3794         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
3795         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
3796         (lto_streamer_cache_create): Init alloc pool.
3797         (lto_streamer_cache_delete): Free alloc pool.
3798         * lto-streamer.h: Include alloc pool.
3799         (lto_streamer_cache_d): Use alloc pool.
3800         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
3801
3802 2010-05-10  Jan Hubicka  <jh@suse.cz>
3803
3804         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
3805         * cgraphbuild.c: Include except.h
3806         (record_type_list, record_eh_tables): New function.
3807         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
3808
3809 2010-05-10  Jan Hubicka  <jh@suse.cz>
3810
3811         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
3812         __frame_dummy_init_array_entry, force_to_data): Attribute as used
3813         rather than unused.
3814
3815 2010-05-10  Michael Matz  <matz@suse.de>
3816
3817         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
3818         (can_reassociate_p): Use FLOAT_TYPE_P.
3819         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
3820         (vect_force_simple_reduction): ... this.
3821         * tree-parloops.c (gather_scalar_reductions): Use
3822         vect_force_simple_reduction.
3823         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
3824         vect_is_simple_reduction, add modify argument, if true rewrite
3825         "a-b" into "a+(-b)".
3826         (vect_is_simple_reduction, vect_force_simple_reduction): New
3827         functions.
3828         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
3829
3830 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3831             Vladimir Makarov  <vmakarov@redhat.com>
3832
3833         PR rtl-optimization/44012
3834         * ira-build.c (remove_unnecessary_allocnos): Nullify
3835         regno_allocno_map of the removed allocno.
3836
3837 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3838
3839         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
3840         to /dev/null.
3841         * configure: Regenerate.
3842
3843 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3844
3845         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
3846         unused.
3847         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
3848         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
3849         support in Sun ld.
3850         * configure: Regenerate.
3851
3852 2010-05-10  Richard Guenther  <rguenther@suse.de>
3853
3854         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
3855         marked if the entry identifier is marked.
3856
3857 2010-05-10  Richard Guenther  <rguenther@suse.de>
3858
3859         * c-common.c (struct c_common_attributes): Add fnspec attribute.
3860         (handle_fnspec_attribute): New function.
3861         * gimple.h (gimple_call_return_flags): Declare.
3862         (gimple_call_arg_flags): Likewise.
3863         * gimple.c (gimple_call_arg_flags): New function.
3864         (gimple_call_return_flags): Likewise.
3865         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
3866         New argument flags.
3867         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
3868         return value flags.
3869         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
3870         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
3871         main work to ...
3872         (make_heapvar_for): ... this new function.
3873         (handle_rhs_call): Handle fnspec attribute argument specifiers.
3874         (handle_lhs_call): Likewise.
3875         (find_func_aliases): Adjust.
3876
3877 2010-05-10  Richard Guenther  <rguenther@suse.de>
3878
3879         PR tree-optimization/44050
3880         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
3881
3882 2010-05-10  Wei Guozhi  <carrot@google.com>
3883
3884         PR target/42879
3885         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
3886
3887 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
3888
3889         PR c/10676
3890         * c-typeck.c (lookup_field): Take a type directly.  Update
3891         recursive calls.
3892         (build_component_ref): Update call to lookup_field.
3893         (set_init_label): Use lookup_field to find initialized field.
3894         Handle returned list of fields like a sequence of designators.
3895
3896 2010-05-09  Richard Guenther  <rguenther@suse.de>
3897
3898         PR middle-end/44024
3899         * fold-const.c (tree_single_nonzero_warnv_p): Properly
3900         handle &FUNCTION_DECL.
3901
3902 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
3903
3904         PR c/4784
3905         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
3906         structures and unions recursively.
3907         (detect_field_duplicates): Move duplicate detection with a hash to
3908         detect_field_duplicates_hash.  Always use a hash if anonymous
3909         structures or unions are present.
3910         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
3911         give errors.
3912
3913 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3914
3915         PR target/44046
3916         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
3917         detect Atom, Core 2 and Core i7.
3918
3919 2010-05-09  Richard Guenther  <rguenther@suse.de>
3920
3921         * gcc.c (store_arg): Handle temporary file deletion for
3922         joined arguments.
3923
3924 2010-05-09  Richard Guenther  <rguenther@suse.de>
3925
3926         PR middle-end/44043
3927         * ipa-inline.c (estimate_function_body_sizes): Return after
3928         disregarding inline limits.
3929
3930 2010-05-09  Richard Guenther  <rguenther@suse.de>
3931
3932         * gcc.c (store_arg): Revert last change.
3933
3934 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
3935
3936         PR middle-end/28685
3937         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
3938         (optimize_ops_list): Call it.
3939
3940 2010-05-08  Richard Guenther  <rguenther@suse.de>
3941
3942         PR tree-optimization/44030
3943         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
3944         NECESSARY flag if we propagate from a inserted expression.
3945
3946 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
3947
3948         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
3949         domain types as equal if they are both PLACEHOLDER_EXPRs.
3950
3951 2010-05-08  Richard Guenther  <rguenther@suse.de>
3952
3953         * lto-wrapper.c (run_gcc): Remove linker output from
3954         command line for LTRANS invocation.
3955
3956 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3957
3958         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
3959         lto-macho as lto_binary_reader.
3960         * target.h (struct gcc_target): New hooks lto_start and lto_end.
3961         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
3962         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
3963         in lto_start and lto_end calls.
3964         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
3965         magic numbers.
3966         (scan_prog_file): Update is_elf_or_coff call.
3967         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
3968
3969         * collect2.c (main): Fix enum comparison.
3970
3971         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
3972         Add prototypes.
3973         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
3974         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
3975         and TARGET_ASM_LTO_END.
3976         * darwin.c: Include obstack.h and lto-streamer.h.
3977         (lto_section_names_offset, lto_section_names_obstack,
3978         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
3979         global variables.
3980         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
3981         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
3982         to a temporary file.
3983         (darwin_asm_lto_end): New function.  Restore asm_out_file.
3984         (darwin_asm_named_section): For LTO sections, replace the name with
3985         the offset of the section name in a string table, and build this
3986         table.
3987         (darwin_file_start): Initialize global vars for LTO support.
3988         (darwin_file_end): If output to asm_out_file was redirected, append it
3989         to the proper asm_out_file here.  Add the section names section.
3990
3991 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3992
3993         * c-pragma.c (pending_weak_d, pending_weak): New.
3994         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
3995         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
3996         handle_pragma_weak): Update the uses of pending_weaks.
3997
3998 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3999
4000         PR documentation/44016
4001         * doc/standards.texi (Standards): Link to unversioned
4002         cxx0x_status.html page.
4003
4004 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
4005
4006         PR target/43708
4007         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
4008         in addition to TREE_USED, to avoid "set but unused" warnings.
4009
4010 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
4011
4012         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
4013         (is_loop_prefetching_profitable): Do not insert prefetches
4014         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
4015         times the prefetch ahead distance.
4016
4017 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
4018
4019         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
4020         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
4021         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
4022         the unroll_factor.
4023
4024 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
4025
4026         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
4027         a diagnostic info when the insn-to-mem ratio is too small.
4028
4029 2010-05-07  Richard Guenther <rguenther@suse.de>
4030
4031         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
4032         the linker plugin.
4033         (store_arg): Queue temp_filename for deletion instead of
4034         the whole argument.
4035
4036 2010-05-07  Richard Guenther  <rguenther@suse.de>
4037
4038         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
4039         (run_gcc): Handle LTRANS phase invocation.
4040         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
4041
4042 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
4043
4044         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
4045         this is also meaningful on PARM_DECLs and RESULT_DECLs.
4046
4047 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4048
4049         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
4050
4051 2010-05-07  Richard Guenther  <rguenther@suse.de>
4052
4053         PR tree-optimization/44020
4054         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
4055         code when PRE is not yet initialized.
4056
4057 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4058
4059         * config/mips/dbxmdebug.h: Remove.
4060         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
4061
4062 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
4063
4064         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
4065         with null pointer and also warn about ordered comparison of zero with
4066         pointer if -Wextra.
4067
4068 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
4069
4070         * graphite-blocking.c
4071         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
4072         * graphite-clast-to-gimple.c
4073         (clast_to_gcc_expression): Same.
4074         (precision_for_value): Same.
4075         (precision_for_interval): Same.
4076         (gcc_type_for_interval): Same.
4077         (graphite_create_new_guard): Same.
4078         (compute_bounds_for_level): Same.
4079         (graphite_create_new_loop_guard): Same.
4080         * graphite-interchange.c
4081         (build_linearized_memory_access): Same.
4082         (pdr_stride_in_loop): Same.
4083         (memory_strides_in_loop_1): Same.
4084         (memory_strides_in_loop): Same.
4085         (extend_scattering): Same.
4086         (psct_scattering_dim_for_loop_depth): Same.
4087         (pbb_number_of_iterations): Same.
4088         * graphite-poly.h
4089         (debug_iteration_domains): Same.
4090         * graphite-ppl.c
4091         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
4092         (ppl_set_inhomogeneous_gmp): Same.
4093         (ppl_strip_loop): Same.
4094         (ppl_lexico_compare_linear_expressions): Same.
4095         (ppl_read_polyhedron_matrix): Same.
4096         (ppl_max_for_le_pointset): Same.
4097         * graphite-ppl.h
4098         (ppl_read_polyhedron_matrix): Same.
4099         (tree_int_to_gmp): Same.
4100         (gmp_cst_to_tree): Same.
4101         (ppl_set_inhomogeneous): Same.
4102         (ppl_set_inhomogeneous_tree): Same.
4103         (ppl_set_coef): Same.
4104         (ppl_set_coef_tree): Same.
4105         * graphite-sese-to-poly.c
4106         (build_pbb_scattering_polyhedrons): Same.
4107         (build_scop_scattering): Same.
4108         (scan_tree_for_params_right_scev): Same.
4109         (scan_tree_for_params): Same.
4110         (find_params_in_bb): Same.
4111         (find_scop_parameters): Same.
4112         (add_upper_bounds_from_estimated_nit): Same.
4113         (build_loop_iteration_domains): Same.
4114         (add_condition_to_domain): Same.
4115         (pdr_add_memory_accesses): Same.
4116
4117 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
4118
4119         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
4120         CLooG's value_* macros to their respective mpz_* counterparts.
4121         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
4122         (graphite_create_new_loop_guard): Same.
4123         * graphite-interchange.c (build_linearized_memory_access): Same.
4124         (pdr_stride_in_loop): Same.
4125         (memory_strides_in_loop_1): Same.
4126         (1st_interchange_profitable_p): Same.
4127         * graphite-poly.c (extend_scattering): Same.
4128         (psct_scattering_dim_for_loop_depth): Same.
4129         (pbb_number_of_iterations): Same.
4130         (pbb_number_of_iterations_at_time): Same.
4131         * graphite-poly.h (new_1st_loop): Same.
4132         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
4133         (oppose_constraint): Same.
4134         (insert_constraint_into_matrix): Same.
4135         (ppl_set_inhomogeneous_gmp): Same.
4136         (ppl_set_coef_gmp): Same.
4137         (ppl_strip_loop): Same.
4138         (ppl_lexico_compare_linear_expressions): Same.
4139         (ppl_max_for_le_pointset): Same.
4140         (ppl_min_for_le_pointset): Same.
4141         (ppl_build_realtion): Same.
4142         * graphite-ppl.h (gmp_cst_to_tree): Same.
4143         (ppl_set_inhomogeneous): Same.
4144         (ppl_set_inhomogeneous_tree): Same.
4145         (ppl_set_coef): Same.
4146         (ppl_set_coef_tree): Same.
4147         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
4148         (build_scop_scattering): Same.
4149         (add_value_to_dim): Same.
4150         (scan_tree_for_params_right_scev): Same.
4151         (scan_tree_for_params_int): Same.
4152         (scan_tree_for_params): Same.
4153         (find_params_in_bb): Same.
4154         (find_scop_parameters): Same.
4155         (add_upper_bounds_from_estimated_nit): Same.
4156         (build_loop_iteration_domains): Same.
4157         (create_linear_expr_from_tree): Same.
4158         (add_condition_to_domain): Same.
4159         (pdr_add_memory_accesses): Same.
4160
4161 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
4162             Jason Merrill  <jason@redhat.com>
4163
4164         * c-common.c (c_common_reswords): Add nullptr.
4165         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
4166         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
4167         (gen_type_die_with_usage): Likewise.
4168         * dbxout.c (dbxout_type): Likewise.
4169         * sdbout.c (plain_type_1): Likewise.
4170
4171 2010-05-06  Jason Merrill  <jason@redhat.com>
4172
4173         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
4174         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
4175         ret appropriately.
4176         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
4177
4178         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
4179         stripping WITH_SIZE_EXPR.
4180         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
4181         change.
4182
4183 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4184
4185         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
4186         list of obsolete configurations.
4187         Disabled check for obsolete configurations.
4188         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
4189         Removed support for previous versions.
4190         * config/mips/iris.h: Removed.
4191         * config/mips/iris5.h: Removed.
4192         * config/mips/iris6.h: Merged old iris.h contents.
4193         (TARGET_IRIX): Removed.
4194         (DRIVER_SELF_SPECS): Removed mabi=32.
4195         (IDENT_ASM_OP): Removed undef.
4196         (STARTFILE_SPEC): Removed mabi=32.
4197         (ENDFILE_SPEC): Likewise.
4198         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
4199         (MACHINE_TYPE): Update for IRIX 6.5.
4200         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
4201         TARGET_IRIX by TARGET_IRIX6.
4202         (mips_file_start): Likewise.
4203         (mips_output_external): Remove IRIX 5/6 O32 support.
4204         (mips_output_function_prologue): Likewise.
4205         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
4206         TARGET_IRIX6.
4207         (TARGET_CPU_CPP_BUILTINS): Likewise.
4208         (TARGET_IRIX): Removed.
4209         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
4210         (MULTILIB_DIRNAMES): Removed 32.
4211         (MULTILIB_OSDIRNAMES): Removed ../lib.
4212         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
4213         (Specific, mips-sgi-irix5): Document removal.
4214         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
4215         Remove references to older IRIX 6 releases and the O32 ABI.
4216
4217 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
4218
4219         PR bootstrap/43994
4220         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
4221         instead of DF_REF_REAL_REG.
4222
4223 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
4224
4225         PR target/43888
4226         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
4227         handling to still return true for x64 targets.
4228
4229 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4230
4231         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
4232
4233 2010-05-06  Jan Hubicka  <jh@suse.cz>
4234
4235         PR tree-optimization/43791
4236         * ipa-inline.c (update_caller_keys): Remove bogus
4237         disregard_inline_limits check.
4238
4239 2010-05-06  Michael Matz  <matz@suse.de>
4240
4241         PR tree-optimization/43984
4242         * tree-ssa-pre.c (inserted_phi_names): Remove.
4243         (inserted_exprs): Change to bitmap.
4244         (create_expression_by_pieces): Set bits, don't append to vector.
4245         (insert_into_preds_of_block): Don't handle inserted_phi_names.
4246         (eliminate): Don't look at inserted_phi_names, remove deleted
4247         insns from inserted_exprs.
4248         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
4249         (init_pre, fini_pre): Allocate and free bitmaps.
4250         (execute_pre): Insert insns on edges before elimination.
4251
4252 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4253
4254         * tree.c (initializer_zerop): Handle STRING_CST.
4255
4256 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4257
4258         PR 40989
4259         * doc/invoke.texi (Wimplicit): Document as C only.
4260         * opts.c (common_handle_option): Add argument kind.
4261         (handle_option): Rename as read_cmdline_option. Factor out code to...
4262         (handle_option): ... here. New.
4263         (handle_options): Rename as read_cmdline_options.
4264         (decode_options): Update call.
4265         (set_option): Use option index instead of option pointer. Classify
4266         diagnostics correctly.
4267         (enable_warning_as_error): Call handle_option.
4268         * opts.h (set_option): Update declaration.
4269         (handle_option): Declare.
4270         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
4271         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
4272         * c-opts.c (set_Wimplicit): Delete.
4273         (c_family_lang_mask): New static constant.
4274         (c_common_handle_option): Add argument kind. Use handle_option
4275         instead of set_Wimplicit.
4276         (c_common_post_options): warn_implicit and warn_implicit_int
4277         are disabled by default.
4278         * c-common.c (warn_implicit): Do not define here.
4279         * c-common.h (warn_implicit): Do not declare here.
4280         (c_common_handle_option): Update declaration.
4281         * lto-opts.c (lto_reissue_options): Update call to set_option.
4282
4283 2010-05-06  Richard Guenther  <rguenther@suse.de>
4284
4285         PR tree-optimization/43571
4286         * domwalk.c (walk_dominator_tree): Walk the dominator
4287         sons in more optimal order.
4288
4289 2010-05-06  Richard Guenther  <rguenther@suse.de>
4290
4291         PR tree-optimization/43934
4292         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
4293         (stmt_cost): Likewise.
4294         (extract_true_false_args_from_phi): New helper.
4295         (determine_max_movement): For PHI nodes verify we can hoist them
4296         and compute their cost.
4297         (determine_invariantness_stmt): Handle PHI nodes.
4298         (move_computations_stmt): Likewise.  Hoist PHI nodes in
4299         if-converted form using COND_EXPRs.
4300         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
4301         (tree_ssa_lim): Likewise.
4302         * tree-flow.h (tree_ssa_lim): Adjust prototype.
4303         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
4304
4305 2010-05-06  Richard Guenther  <rguenther@suse.de>
4306
4307         PR tree-optimization/43987
4308         * tree-ssa-structalias.c (could_have_pointers): For possibly
4309         address-taken variables force pointers to be recorded.
4310         (create_variable_info_for_1): Likewise.
4311         (push_fields_onto_fieldstack): Pass in wheter all fields
4312         must have pointers.
4313         (find_func_aliases): Query types instead of vars whether
4314         they contain pointers where appropriate.
4315
4316 2010-05-06  Jan Hubicka  <jh@suse.cz>
4317
4318         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
4319         (record_reference, mark_address, mark_load, mark_store): Record
4320         references.
4321         (record_references_in_initializer): Update call of record_references.
4322         (rebuild_cgraph_edges): Remove all references before rebuiding.
4323         * cgraph.c (cgraph_create_node): Clear ref list.
4324         (cgraph_remove_node): Remove references.
4325         (dump_cgraph_node): Dump references.
4326         (cgraph_clone_node): Clone references.
4327         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
4328         (struct cgraph_node, varpool_node): Add ref_lst.
4329         * ipa-ref.c: New file.
4330         * ipa-ref.h: New file.
4331         * ipa-ref-inline.h: New file.
4332         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
4333         (referenced_from_other_partition_p): New function.
4334         (lto_output_varpool_node): Take set arugment; call
4335         referenced_from_other_partition.
4336         (lto_output_ref): New.
4337         (add_references): New.
4338         (output_refs): New.
4339         (output_cgraph): Compute boundary based on references; output refs.
4340         (output_varpool): Accept cgraph_node_set argument.
4341         (input_ref): New.
4342         (input_refs): New.
4343         (input_cgraph): Call input_refs.
4344         * lto-section-in.c (lto_section_name): Add refs.
4345         * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
4346         (ipa-ref.o): New file.
4347         * varpool.c (varpool_node): Clear ipa ref list.
4348         (varpool_remove_node): Remove references.
4349         (dump_varpool_node): Dump references.
4350         (varpool_assemble_decl): Only compile finalized ones.
4351         (varpool_extra_name_alias): Initialize ref list.
4352         * lto-streamer.c (lto-get_section_name): Add .refs section.
4353         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
4354         (referenced_from_other_partition_p): Declared.
4355
4356 2010-05-06  Ira Rosen  <irar@il.ibm.com>
4357
4358         PR tree-optimization/43901
4359         * tree-vect-stmts.c (vectorizable_call): Assert that vector
4360         type is not NULL if it's transformation phase, and return
4361         FALSE if it's analysis.
4362         (vectorizable_conversion, vectorizable_operation,
4363         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
4364
4365 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
4366
4367         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
4368         Delete.
4369         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
4370         New define.
4371         * config/mips/mips-protos.h
4372         (mips_small_register_classes_for_mode_p): Delete prototype.
4373
4374 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
4375
4376         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
4377         * config/arm/arm.c (multiple_operation_profitable_p,
4378         compute_offset_order): New static functions.
4379         (load_multiple_sequence, store_multiple_sequence): Use them.
4380         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
4381         memory offsets, not register numbers.
4382         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
4383
4384 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
4385
4386         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
4387         (get_pending_sizes, put_pending_size, put_pending_sizes):
4388         Update the uses of pending_sizes.
4389         * c-decl.c (store_parm_decls): Likewise.
4390         * c-tree.h (struct c_arg_info): Likewise.
4391         * tree.h: Update the prototype for get_pending_sizes and
4392         put_pending_sizes.
4393
4394 2010-05-05  Jason Merrill  <jason@redhat.com>
4395
4396         PR debug/43370
4397         * c-common.c (handle_aligned_attribute): Respect
4398         ATTR_FLAG_TYPE_IN_PLACE.
4399
4400         PR testsuite/43758
4401         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
4402         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
4403         (TARGET_INITIALIZER): Use it.
4404         * c-common.c (attribute_takes_identifier_p): Call it.
4405         * c-common.h: Update prototype.
4406         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
4407         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
4408
4409 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
4410
4411         PR debug/43950
4412         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
4413         DW_ID_down_case for Fortran compilation units.
4414
4415 2010-05-05  Jan Hubicka  <jh@suse.cz>
4416
4417         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
4418         handle aliases.
4419
4420 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
4421
4422         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
4423         a variable-sized RESULT_DECL.
4424
4425 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
4426
4427         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
4428
4429 2010-05-05  Jason Merrill  <jason@redhat.com>
4430
4431         PR c++/43787
4432         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
4433         returns GS_OK.
4434         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
4435
4436 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
4437             Jakub Jelinek  <jakub@redhat.com>
4438
4439         PR debug/43478
4440         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
4441         (dead_debug_init, dead_debug_finish): New functions.
4442         (dead_debug_add, dead_debug_insert_before): Likewise.
4443         (df_note_bb_compute): Initialize a dead_debug object, add dead
4444         debug uses to it, insert debug bind insns before death insns,
4445         reset debug insns that refer to pending uses at the end.
4446         * rtl.h (make_debug_expr_from_rtl): New prototype.
4447         * varasm.c (make_debug_expr_from_rtl): New function.
4448
4449 2010-05-05  Jan Hubicka  <jh@suse.cz>
4450
4451         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
4452         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
4453         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
4454         lto_varpool_encoder_deref, lto_varpool_encoder_size,
4455         lto_varpool_encoder_encode_initializer_p,
4456         lto_set_varpool_encoder_encode_initializer): New functions.
4457         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
4458         call output_varpool.
4459         (input_varpool_node): Do not always set analyzed.
4460         (input_cgraph_1): Return vector of cgraph nodes.
4461         (input_varpool_1): Return vector of varpools.
4462         (input_cgraph): Free the vectors.
4463         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
4464         output only initializers needed.
4465         (lto_output): Only call output_cgraph.
4466         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
4467         * lto-section-out.c (lto_new_out_decl_state): Initialize
4468         state->varpool_node_encoder.
4469         * lto-streamer.h (lto_varpool_encoder_d): New.
4470         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
4471         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
4472         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
4473         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
4474         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
4475         Declare.
4476         (output_varpool, input_varpool): Remove declarations.
4477
4478 2010-05-05  Jan Hubicka  <jh@suse.cz>
4479
4480         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
4481         with body can prevail.
4482
4483 2010-05-05  Jan Hubicka  <jh@suse.cz>
4484
4485         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
4486         size.
4487
4488 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4489
4490         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
4491
4492         * gengtype.h (erro_at_line): Constify pos argument.
4493
4494         * gengtype.c: Include hashtab.h.
4495         (enum gc_used): Document GC_MAYBE_POINTED_TO.
4496         (error_at_line): Constify pos argument.
4497         (do_typedef): Initialize p->opt field.
4498         (get_file_gtfilename): Fix comment typo.
4499         (struct walk_type_data): Constify line field.
4500         (get_output_file_for_structure): New function.
4501         (write_local_func_for_structure): Constify orig_s argument.
4502         Use get_output_file_for_structure.
4503         (write_func_for_structure): Use get_output_file_for_structure.
4504         (INDENT): New define.
4505         (dump_pair, dump_type, dump_type_list, dump_typekind)
4506         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
4507         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
4508         functions.
4509         (seen_types): New variable.
4510         (main): New variable do_dump.  Process "-d" command line option.
4511         Call dump_everything if dump requested.
4512
4513 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
4514
4515         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
4516         in a temporary instead of invoking the macro multiple times.
4517         (track_expr_p): Likewise.
4518
4519 2010-05-04  Neil Vachharajani <nvachhar@google.com>
4520
4521         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
4522         per new semantics.
4523         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
4524         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
4525         conditions for printing notes.
4526         * common.opt (-Wcoverage-mismatch): Allow negative, default to
4527         true, update documentation.
4528         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
4529
4530 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
4531
4532         PR c/43981
4533         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
4534         on dimen.
4535
4536 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
4537
4538         PR target/43799
4539         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
4540         (*sse_prologue_save_insn1): Likewise.
4541         (SSE prologue save splitter): Likewise.
4542
4543 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
4544
4545         * tree.c (free_lang_data_in_one_sizepos): New inline function.
4546         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
4547         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
4548         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
4549         all decls.  Call it on DECL_FIELD_OFFSET of fields.
4550         (find_decls_types_r): Follow DECL_VALUE_EXPR.
4551         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
4552
4553 2010-05-04  Martin Jambor  <mjambor@suse.cz>
4554
4555         * tree-sra.c (build_access_from_expr_1): The first parameter type
4556         changed to simple tree.
4557         (build_access_from_expr): Likewise, gsi parameter was eliminated.
4558         (scan_assign_result): Renamed to assignment_mod_result, enum elements
4559         renamed as well.
4560         (build_accesses_from_assign): Removed all parameters except for a
4561         simple gimple statement.  Now returns a simple bool.
4562         (scan_function): All non-analysis parts moved to separate functions
4563         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
4564         parameters and updated both callers.
4565         (sra_modify_expr): Removed parameter data.
4566         (sra_modify_function_body): New function.
4567         (perform_intra_sra): Call sra_modify_function_body to modify the
4568         function body.
4569         (replace_removed_params_ssa_names): Parameter data changed into
4570         adjustments vector.
4571         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
4572         changed the parameter dont_convert to convert with the opposite
4573         meaning.
4574         (sra_ipa_modify_assign): Parameter data changed into adjustments
4575         vector, return value changed to bool.
4576         (ipa_sra_modify_function_body): New function.
4577         (sra_ipa_reset_debug_stmts): Updated a comment.
4578         (modify_function): Use ipa_sra_modify_function_body to modify function
4579         body.
4580
4581 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
4582
4583         PR middle-end/43671
4584         * alias.c (true_dependence): Handle the same VALUE in x and mem.
4585         (canon_true_dependence): Likewise.
4586         (write_dependence_p): Likewise.
4587
4588 2010-05-04  Jan Hubicka  <jh@suse.cz>
4589
4590         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
4591         * cgraphbuild.c: Include ipa-utils.h
4592         (record_reference_ctx): New struct.
4593         (record_reference): Simplify to work on initializers; not statements.
4594         (mark_address, mark_load, mark_store): New.
4595         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
4596         walk PHI nodes too.
4597         (record_references_in_initializer): Update use of record_reference.
4598         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
4599         walk PHI nodes too.
4600
4601 2010-05-04  Jan Hubicka  <jh@suse.cz>
4602
4603         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
4604         node will be removed anyway.
4605         (lto_varpool_replace_node): Allow also unanalyzed nodes;
4606         relink aliases of node into prevailing node.
4607         * varpool.c (varpool_remove_node): Remove aliases properly;
4608         when removing node, remove all its aliases too; remove DECL_INITIAL
4609         of removed node; ggc_free the varpool node.
4610
4611 2010-05-04  Richard Guenther  <rguenther@suse.de>
4612
4613         PR tree-optimization/43879
4614         * tree-ssa-structalias.c (alias_get_name): Use
4615         DECL_ASSEMBLER_NAME if available.
4616         (create_function_info_for): Return the varinfo node.
4617         (ipa_pta_execute): Associate same-body aliases and extra names
4618         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
4619
4620 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
4621
4622         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
4623
4624 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
4625
4626         PR bootstrap/43964
4627         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
4628         only if HONOR_REG_ALLOC_ORDER is not defined.
4629
4630 2010-05-04  Richard Guenther  <rguenther@suse.de>
4631
4632         PR tree-optimization/43949
4633         * tree-vrp.c (extract_range_from_binary_expr): Only handle
4634         TRUNC_MOD_EXPR.
4635
4636 2010-04-26  Jason Merrill  <jason@redhat.com>
4637
4638         * c.opt (-fstrict-enums): New.
4639         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
4640
4641 2010-05-03  David Ung <davidu@mips.com>
4642             James E. Wilson  <wilson@codesourcery.com>
4643
4644         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
4645         emit the trap instruction before the divide for TUNE_74K.
4646
4647 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
4648
4649         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
4650         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
4651         based on the above, for new target hook.
4652
4653         * hooks.c (hook_bool_mode_true): New generic hook.
4654         * hooks.h (hook_bool_mode_true): Add prototype.
4655
4656         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
4657         target hook.
4658         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
4659         target hook, set to hook_bool_mode_false.
4660         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
4661         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
4662         with targetm.small_register_classes_for_mode_p.
4663         (find_reusable_reload): Likewise.
4664         (combine_reloads): Likewise.
4665         * reload1.c (reload_as_needed): Likewise.
4666         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
4667         * ifcvt.c (noce_process_if_block, check_cond_move_block,
4668         dead_or_predicable): Likewise.
4669         * regmove.c (optimize_reg_copy_1): Likewise.
4670         * calls.c (prepare_call_address): Likewise.
4671         (precompute_register_parameters): Likewise.
4672
4673         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
4674         hook definition.
4675         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
4676         implementation of the hook that considers all register classes
4677         small except for SH64.
4678         (sh_override_options): Use the new hook.
4679         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
4680         Add prototype.
4681
4682         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
4683         hook definition.
4684         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
4685         implementation of the hook that considers all register classes
4686         small for THUMB1.
4687         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
4688         Add prototype.
4689
4690         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
4691         hook definition.
4692         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
4693         implementation of the hook that considers all register classes
4694         small for MIPS16.
4695         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
4696         Add prototype.
4697
4698         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
4699         hook definition.
4700         * config/m32c/m32c.h: Likewise.
4701         * config/pdp11/pdp11.h: Likewise.
4702         * config/avr/avr.h: Likewise.
4703         * config/xtensa/xtensa.h: Likewise.
4704         * config/m68hc11/m68hc11.h: Likewise.
4705         * config/mn10300/mn10300.h: Likewise.
4706         * config/mcore/mcore.h: Likewise.
4707         * config/h8300/h8300.h: Likewise.
4708         * config/bfin/bfin.h: Likewise.
4709
4710         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
4711         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
4712
4713 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
4714
4715         * double-int.h (tree_to_double_int): Remove macro.
4716         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
4717         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
4718         (tree_to_double_int): New function.
4719         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
4720         Move ...
4721         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
4722
4723 2010-05-03  Richard Guenther  <rguenther@suse.de>
4724
4725         PR tree-optimization/43971
4726         * tree-ssa-structalias.c (get_constraint_for_1): Fix
4727         constraints in the !flag_delete_null_pointer_checks case.
4728
4729 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
4730
4731         PR debug/43972
4732         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
4733         result mode matches original rtl mode.
4734
4735 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
4736
4737         PR target/43888
4738         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
4739
4740 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
4741
4742         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
4743         when processing flag options.
4744
4745 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
4746
4747         * gcov-iov.c (main): Change format string placeholder
4748         from %#08x to 0x%08x.
4749         * genchecksum.c (dosum): Change format string placeholder
4750         from %#02x to 0x%02x.
4751
4752 2010-05-02  Richard Guenther  <rguenther@suse.de>
4753
4754         PR tree-optimization/43879
4755         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
4756
4757 2010-05-02  Bruno Haible  <bruno@clisp.org>
4758
4759         * doc/extend.texi (Function Attributes): Fix a typo.
4760
4761 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
4762
4763         Revert:
4764         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
4765         placeholder from 0x%x to %#x.
4766         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
4767         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
4768         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
4769         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
4770         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
4771         * config/i386/i386.c (ix86_target_string): Ditto.
4772         * config/i386/i386.c (output_pic_addr_const): Ditto.
4773         (print_operand): Ditto.
4774
4775 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
4776
4777         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
4778         placeholder from 0x%x to %#x.
4779         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
4780         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
4781         (ASM_OUTPUT_DEBUG_DATA): Ditto.
4782         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
4783         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
4784         * optc-gen.awk: Ditto.
4785         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
4786         (HOST_WIDE_INT_PRINT_HEX): Ditto.
4787         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
4788         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
4789
4790 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
4791
4792         * target.h (struct calls): Add function_value_regno_p field.
4793         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
4794         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
4795         * targhooks.c (default_function_value_regno_p): New function.
4796         * targhooks.h (default_function_value_regno_p): Declare function.
4797         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
4798         * builtins.c. (apply_result_size): (Ditto.).
4799         * combine.c. (likely_spilled_retval_p): (Ditto.).
4800         * mode-switching.c. Include 'target.h'.
4801         (create_pre_exit): Use function_value_regno_p hook.
4802         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
4803         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
4804         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
4805
4806         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
4807         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
4808         (ix86_function_value_regno_p): Declare as static, change argument
4809         type to const unsigned int.
4810         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
4811
4812 2010-05-01  Richard Guenther  <rguenther@suse.de>
4813
4814         PR tree-optimization/43949
4815         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
4816         types.
4817         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
4818
4819 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
4820
4821         * rtl.h (CONST_DOUBLE_P): Define.
4822         (rtx_to_double_int): Declare.
4823         * emit-rtl.c (rtx_to_double_int): New function.
4824         * dwarf2out.c (insert_double): New function.
4825         (loc_descriptor, add_const_value_attribute): Clean up, use
4826         rtx_to_double_int and insert_double functions.
4827
4828 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
4829
4830         * doc/extend.texi (Inline): Add missing return keyword to examples.
4831         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
4832         "command-line".
4833
4834 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
4835
4836         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
4837         the variable part of the offset as well.  Use highest_pow2_factor for
4838         all alignment checks.
4839
4840 2010-04-30  Richard Guenther  <rguenther@suse.de>
4841
4842         PR tree-optimization/43879
4843         * tree-ssa-structalias.c (type_could_have_pointers): Functions
4844         can have pointers.
4845
4846 2010-04-30  Jan Hubicka  <jh@suse.cz>
4847
4848         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
4849         varpool.
4850         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
4851
4852 2010-04-30  Jan Hubicka  <jh@suse.cz>
4853
4854         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
4855         New.
4856         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
4857         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
4858         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
4859         cgraph_node_set_needs_ltrans_p): Remove.
4860
4861 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
4862
4863         * sdbout.c: Include vec.h, do not include varray.h.
4864         (deferred_global_decls, sdbout_global_decl,
4865         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
4866         * toplev.c: Do not include varray.h.
4867         (dump_memory_report): Do not dump VARRAY statistics.
4868         * gengtype.c (open_base_file): Ignore varray.h.
4869         * Makefile.in: Update for abovementioned changes.
4870         Remove all traces of varray.c and varray.h.
4871         * varray.c: Remove file.
4872         * varray.h: Remove file.
4873
4874 2010-04-30  Jan Hubicka  <jh@suse.cz>
4875
4876         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
4877         references.
4878
4879 2010-04-30  Jan Hubicka  <jh@suse.cz>
4880
4881         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
4882         needed.
4883
4884 2010-04-30  Richard Guenther  <rguenther@suse.de>
4885
4886         * tree-ssa-structalias.c (get_constraint_for_1): Generate
4887         constraints for CONSTRUCTOR.
4888
4889 2010-04-30  Richard Guenther  <rguenther@suse.de>
4890
4891         PR lto/43946
4892         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
4893         first after all lowering passes.
4894
4895 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
4896
4897         * toplev.c: Include varray.h for statistics dumping.
4898         * tree.h: Do not declare varray_head_tag.
4899         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
4900         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
4901         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
4902         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
4903         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
4904         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
4905         c-common.c, c-common.h, reg-stack.c, basic-block.h,
4906         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
4907         include varray.h.
4908         * Makefile.in: Update for abovementioned changes.
4909
4910 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
4911
4912         PR debug/43942
4913         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
4914
4915 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
4916
4917         * config/picochip/picochip.c (picochip_legitimize_address): Define.
4918         Use this function to do machine-specific conversion.
4919         (picochip_legitimize_reload_address): Likewise.
4920         (picochip_legitimate_address_p): Check valid base register only if
4921         strict.
4922         (picochip_check_conditional_copy): Check for modw only if opnd is
4923         register.
4924         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
4925         to call the function in c.
4926         * config/picochip/picochip-protos.h
4927         (picochip_legitimize_reload_address): Define.
4928         * config/picochip/picochip.md (supported_compare1): Define.
4929
4930 2010-04-30  Jan Hubicka  <jh@suse.cz>
4931
4932         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
4933         (cgraph_global_info): Remove inlined.
4934         (LTO_cgraph_tag_names): Remove.
4935         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
4936         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
4937         simplify cgraph tags and document.
4938         (lto_output_node): Use only LTO_cgraph_unavail_node and
4939         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
4940         for_functions_valid, global info, process and output flags.
4941         (input_overwrite_node): Initialize estimated stack size and
4942         estimated growth.  Do not read flags we no longer store.
4943         (input_node): Likewise do not read info no longer stored.
4944         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
4945         flag.
4946
4947 2010-04-30  Richard Guenther  <rguenther@suse.de>
4948
4949         PR tree-optimization/43879
4950         * tree-ssa-structalias.c (get_constraint_for_1): Properly
4951         handle non-zero initializers.
4952
4953 2010-04-30  Richard Guenther  <rguenther@suse.de>
4954
4955         * builtins.c (fold_builtin_1): Delete free (0).
4956
4957 2010-04-29  Jan Hubicka  <jh@suse.cz>
4958
4959         * gengtype.c (open_base_files): Add lto-streamer.h
4960         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
4961         (pass_ipa_cp): GGC collect.
4962         * toplev. (compile_file): Do not output symbols.
4963         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
4964         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
4965         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
4966         * lto-section-in.c: Include ggc.h
4967         (lto_new_in_decl_state): Alloc in GGC.
4968         (lto_delete_in_decl_state): Likewise.
4969         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
4970         Collect.
4971
4972 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
4973
4974         PR target/42895
4975         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
4976         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
4977         (HONOR_REG_ALLOC_ORDER): Describe new macro.
4978         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
4979         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
4980         account only if HONOR_REG_ALLOC_ORDER is not defined.
4981         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
4982         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
4983
4984 2010-04-29  Jon Grant  <04@jguk.org>
4985
4986         * collect2.c (vflag): Change type from int to bool.
4987         (debug): Likewise.
4988         (helpflag): New global bool.
4989         (main): Set vflag and debug with boolean, not integer truth values.
4990         Accept new "--help" option and output usage text if found.
4991         * collect2.h (vflag): Update prototype.
4992         (debug): Likewise.
4993
4994 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4995
4996         PR bootstrap/43936
4997         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
4998
4999 2010-04-29  Richard Guenther  <rguenther@suse.de>
5000
5001         PR bootstrap/43935
5002         * plugin.h (invoke_plugin_callbacks): Annotate arguments
5003         with ATTRIBUTE_UNUSED.
5004
5005 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
5006
5007         PR target/43921
5008         * config/i386/i386.c (get_some_local_dynamic_name): Replace
5009         INSN_P with NONDEBUG_INSN_P.
5010         (distance_non_agu_define): Likewise.
5011         (distance_agu_use): Likewise.
5012
5013 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
5014
5015         From Dominique d'Humieres <dominiq@lps.ens.fr>
5016         PR bootstrap/43858
5017         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
5018         test_set.
5019
5020 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
5021
5022         * plugin.h (invoke_plugin_callbacks): New inline function.
5023         * plugin.c (flag_plugin_added): New global flag.
5024         (add_new_plugin): Initialize above flag.
5025         (invoke_plugin_callbacks): Rename to ...
5026         (invoke_plugin_callbacks_full): ... this.
5027
5028 2010-04-28  Jan Hubicka  <jh@suse.cz>
5029
5030         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
5031         (lto_varpool_replace_node): New.
5032         (lto_symtab_resolve_symbols): Resolve varpool nodes.
5033         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
5034         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
5035         * cgraph.h (varpool_node_ptr): New type.
5036         (varpool_node_ptr): New vector.
5037         (varpool_node_set_def): New structure.
5038         (varpool_node_set): New type.
5039         (varpool_node_set): New vector.
5040         (varpool_node_set_element_def): New structure.
5041         (varpool_node_set_element, const_varpool_node_set_element): New types.
5042         (varpool_node_set_iterator): New type.
5043         (varpool_node): Add prev pointers, add used_from_other_partition,
5044         in_other_partition.
5045         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
5046         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
5047         varpool_get_node, varpool_remove_node): Declare.
5048         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
5049         varpool_node_set_size): New inlines.
5050         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
5051         * tree-pass.h (varpool_node_set_def): Forward declare.
5052         (ipa_opt_pass_d): Summary writting takes vnode sets too.
5053         (ipa_write_optimization_summaries): Update prototype.
5054         * ipa-cp.c (ipcp_write_summary): Update.
5055         * ipa-reference.c (ipa_reference_write_summary): Update.
5056         * lto-cgraph.c (lto_output_varpool_node): New static function.
5057         (output_varpool): New function.
5058         (input_varpool_node): New static function.
5059         (input_varpool_1): New function.
5060         (input_cgraph): Input varpool.
5061         * ipa-pure-const.c (pure_const_write_summary): Update.
5062         * lto-streamer-out.c (lto_output): Update, output varpool too.
5063         (write_global_stream): Kill WPA hack.
5064         (produce_asm_for_decls): Update.
5065         (output_alias_pair_p): Handle variables.
5066         (output_unreferenced_globals): Output only needed partition of varpool.
5067         * ipa-inline.c (inline_write_summary): Update.
5068         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
5069         cgraph.
5070         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
5071         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
5072         varpool_node_set_new, varpool_node_set_add,
5073         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
5074         debug_varpool_node_set): New functions.
5075         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
5076         (execute_one_pass): Process new decls too.
5077         (ipa_write_summaries_2): Pass around vsets.
5078         (ipa_write_summaries_1): Likewise.
5079         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
5080         to add.
5081         (ipa_write_optimization_summaries_1): Pass around vsets.
5082         (ipa_write_optimization_summaries): Likewise.
5083         * varpool.c (varpool_get_node): New.
5084         (varpool_node): Update doubly linked lists.
5085         (varpool_remove_node): New.
5086         (dump_varpool_node): More dumping.
5087         (varpool_enqueue_needed_node): Update doubly linked lists.
5088         (decide_is_variable_needed): Kill ltrans hack.
5089         (varpool_finalize_decl): Kill lto hack.
5090         (varpool_assemble_decl): Skip decls in other partitions.
5091         (varpool_assemble_pending_decls): Update doubly linkes lists.
5092         (varpool_empty_needed_queue): Likewise.
5093         (varpool_extra_name_alias): Likewise.
5094         * lto-streamer.c (lto_get_section_name): Add vars section.
5095         * lto-streamer.h (lto_section_type): Update.
5096         (output_varpool, input_varpool): Declare.
5097
5098 2010-04-28  Mike Stump  <mikestump@comcast.net>
5099
5100         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
5101
5102 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
5103
5104         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
5105         record or union type with RECORD_OR_UNION_TYPE_P predicate.
5106         (lto_input_ts_type_tree_pointers): Likewise.
5107         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
5108         (lto_output_ts_type_tree_pointers): Likewise.
5109
5110 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
5111
5112         Uniquization of constants at the Tree level
5113         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
5114         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
5115         bit to the end.
5116         (tree_output_constant_def): Declare.
5117         * gimplify.c (gimplify_init_constructor): When using block copy, first
5118         uniquize the constant constructor on the RHS.
5119         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
5120         DECL_IN_CONSTANT_POOL flag.
5121         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
5122         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
5123         constant pool.
5124         (assemble_variable): Deal with symbols belonging to the tree constant
5125         pool.
5126         (get_constant_section): Add ALIGN parameter and simplify.
5127         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
5128         (assemble_constant_contents): Use the expression of the VAR_DECL.
5129         (output_constant_def_contents): Use the alignment of the VAR_DECL.
5130         (tree_output_constant_def): New global function.
5131         (mark_constant): Use the expression of the VAR_DECL.
5132         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
5133         its expression.
5134         (output_object_block): Likewise and assemble the expression.
5135
5136 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
5137
5138         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
5139         hash_tree, eq_tree): New tree hash table.
5140         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
5141         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
5142         lto_orig_address_remove): Reimplement.
5143
5144 2010-04-28  Xinliang David Li  <davidxl@google.com>
5145
5146         PR c/42643
5147         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
5148         (compute_uninit_opnds_pos): New function.
5149         (is_non_loop_exit_postdominating): New function.
5150         (compute_control_dep_chain): New function.
5151         (find_pdom): New function.
5152         (convert_control_dep_chain_into_preds): New function.
5153         (find_predicates): New function.
5154         (find_control_equiv_block): New function.
5155         (collect_phi_def_edges): New function.
5156         (find_def_preds): New function.
5157         (find_dom): New function.
5158         (dump_predicates): New function.
5159         (get_cmp_code): New function.
5160         (is_value_included_in): New function.
5161         (find_matching_predicate_in_rest_chains): New function.
5162         (use_pred_not_overlap_with_undef_path_pred): New function.
5163         (is_use_properly_guarded): New function.
5164         (normalize_cond_1): New function.
5165         (is_and_or_or): New function.
5166         (normalize_cond): New function.
5167         (is_gcond_subset_of): New function.
5168         (is_subset_of_any): New function.
5169         (is_or_set_subset_of): New function.
5170         (is_and_set_subset_of): New function.
5171         (is_norm_cond_subset_of): New function.
5172         (is_pred_expr_subset_of): New function.
5173         (is_pred_chain_subset_of): New function.
5174         (is_included_in): New function.
5175         (is_superset_of): New function.
5176         (find_uninit_use): New function.
5177         (warn_uninitialized_phi): New function.
5178         (compute_possibly_undefined_names): New function.
5179         (ssa_undefined_value_p): New function.
5180         (execute_late_warn_uninitialized): New function.
5181         * tree-ssa.c (ssa_undefined_value_p): Removed.
5182         (warn_uninit): Changed to extern.
5183         (warn_uninitialized_phi): Removed.
5184         (warn_uninitialized_vars): Changed to extern.
5185         (execute_late_warn_uninitialized): Removed
5186         * tree-flow.h: Add new prototypes.
5187         * timevar.def: Add new time variable.
5188         * Makefile.in: Add new build file.
5189
5190 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
5191
5192         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
5193         type if available.
5194
5195 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5196
5197         PR target/22224
5198         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
5199
5200 2010-04-28  Martin Jambor  <mjambor@suse.cz>
5201
5202         * cgraph.h (struct cgraph_node): New field indirect_calls.
5203         (struct cgraph_indirect_call_info): New type.
5204         (struct cgraph_edge): Removed field indirect_call. New fields
5205         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
5206         (cgraph_create_indirect_edge): Declare.
5207         (cgraph_make_edge_direct): Likewise.
5208         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
5209         * ipa-prop.h (struct ipa_param_call_note): Removed.
5210         (struct ipa_node_params): Removed field param_calls.
5211         (ipa_create_all_structures_for_iinln): Declare.
5212         * cgraph.c: Described indirect edges and uids in initial comment.
5213         (cgraph_add_edge_to_call_site_hash): New function.
5214         (cgraph_edge): Search also among the indirect edges, use
5215         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
5216         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
5217         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
5218         site hash.
5219         (initialize_inline_failed): Assign a reason to indirect edges.
5220         (cgraph_create_edge_1): New function.
5221         (cgraph_create_edge): Moved some functionality to
5222         cgraph_create_edge_1.
5223         (cgraph_create_indirect_edge): New function.
5224         (cgraph_edge_remove_callee): Add an assert checking for
5225         non-indirectness.
5226         (cgraph_edge_remove_caller): Special-case indirect edges.
5227         (cgraph_remove_edge): Likewise.
5228         (cgraph_set_edge_callee): New function.
5229         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
5230         (cgraph_make_edge_direct): New function.
5231         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
5232         the declaration of the call statement matches.
5233         (cgraph_node_remove_callees): Special-case indirect edges.
5234         (cgraph_clone_edge): Likewise.
5235         (cgraph_clone_node): Clone also the indirect edges.
5236         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
5237         indirect_call, dump count of indirect_calls edges.
5238         * ipa-prop.c (iinlining_processed_edges): New variable.
5239         (ipa_note_param_call): Create indirect edges instead of
5240         creating notes.  New parameter node.
5241         (ipa_analyze_call_uses): New parameter node, pass it on to
5242         ipa_note_param_call.
5243         (ipa_analyze_stmt_uses): Likewise.
5244         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
5245         (print_edge_addition_message): Work on edges rather than on notes.
5246         (update_call_notes_after_inlining): Likewise, renamed to
5247         update_indirect_edges_after_inlining.
5248         (ipa_create_all_structures_for_iinln): New function.
5249         (ipa_free_node_params_substructures): Do not free notes.
5250         (ipa_edge_duplication_hook): Propagate bits within
5251         iinlining_processed_edges bitmap.
5252         (ipa_node_duplication_hook): Do not duplicate notes.
5253         (free_all_ipa_structures_after_ipa_cp): Renamed to
5254         ipa_free_all_structures_after_ipa_cp.
5255         (free_all_ipa_structures_after_iinln): Renamed to
5256         ipa_free_all_structures_after_iinln.
5257         (ipa_write_param_call_note): Removed.
5258         (ipa_read_param_call_note): Removed.
5259         (ipa_write_indirect_edge_info): New function.
5260         (ipa_read_indirect_edge_info): Likewise.
5261         (ipa_write_node_info): Do not stream notes, do stream information
5262         in indirect edges.
5263         (ipa_read_node_info): Likewise.
5264         (lto_ipa_fixup_call_notes): Removed.
5265         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
5266         * ipa-inline.c (pass_ipa_inline): Likewise.
5267         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
5268         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
5269         * tree-inline.c (copy_bb): Removed an unnecessary double check for
5270         is_gimple_call.
5271         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
5272         edges.
5273         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
5274         (output_cgraph): Stream also indirect edges.
5275         (lto_output_edge): Added capability to stream indirect edges.
5276         (input_edge): Likewise.
5277         (input_cgraph_1): Likewise.
5278         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
5279         of indirect edges.
5280
5281 2010-04-28  Richard Guenther  <rguenther@suse.de>
5282
5283         PR tree-optimization/43879
5284         PR tree-optimization/43909
5285         * tree-ssa-structalias.c (struct variable_info): Add
5286         only_restrict_pointers flag.
5287         (new_var_info): Initialize it.  Increment stats.total_vars here.
5288         (create_function_info_for): Do not increment stats.total_vars here.
5289         (get_function_part_constraint): Fix build with C++.
5290         (insert_into_field_list): Remove.
5291         (push_fields_onto_fieldstack): Properly merge fields.
5292         (create_variable_info_for): Split and simplify.
5293         (create_variable_info_for_1): New piece.
5294         (intra_create_variable_infos): Properly make restrict constraints
5295         from parameters.
5296
5297 2010-04-28  Richard Guenther  <rguenther@suse.de>
5298
5299         PR c++/43880
5300         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
5301
5302 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5303             Jan Hubicka <hubicka@ucw.cz>
5304
5305         * doc/invoke.texi (-Wsuggest-attribute=const,
5306         -Wsuggest-attribute=pure): Document.
5307         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
5308         (function_always_visible_to_compiler_p,
5309         suggest_attribute, warn_function_pure, warn_function_const):
5310         New functions.
5311         (check_call): Improve debug info.
5312         (analyze_function): Do not check availability.
5313         (add_new_function): Check availability.
5314         (propagate): Output warnings.
5315         (skip_function_for_local_pure_const): New function.
5316         (local_pure_const): Use it; output warnings.
5317         * common.opt (Wsuggest-attribute=const,
5318         Wsuggest-attribute=pure): New.
5319
5320 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
5321
5322         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
5323         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
5324         or DW_CFA_def_cfa_offset{,_sf}.
5325
5326 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5327
5328         * tree.h: Fix truncated long macros.
5329
5330 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
5331
5332         * collect2.c (TARGET_64BIT): Redefine to target's default.
5333         * tlink.c: Likewise.
5334         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
5335         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
5336         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
5337         for underscoring __USER_LABEL_PREFIX__.
5338         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
5339         (SUB_LINK_ENTRY32): New.
5340         (SUB_LINK_ENTRY64): New.
5341         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
5342         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
5343         (SUB_LINK_ENTRY64): New.
5344         (SUB_LINK_ENTRY): New.
5345         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
5346         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
5347         x64 target is choosen.
5348         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
5349         * configure: Regenerated.
5350         * configure.ac (leading-mingw64-underscores): Option added.
5351
5352 2010-04-27  Jan Hubicka  <jh@suse.cz>
5353
5354         * doc/invoke.texi (-fipa-profile): Document.
5355         * opts.c (decode_options): Enable ipa-profile at -O1.
5356         * timevar.def (TV_IPA_PROFILE): Define.
5357         * common.opt (fipa-profile): Add.
5358         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
5359         flag for clones.
5360         (cgraph_propagate_frequency): Handle only local ones.
5361         * tree-pass.h (pass_ipa_profile): Declare.
5362         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
5363         (pass_ipa_profile): Use TV_IPA_PROFILE.
5364         * ipa.c (ipa_profile): New function.
5365         (gate_ipa_profile): Likewise.
5366         (pass_ipa_profile): New global variable.
5367         * passes.c (pass_ipa_profile): New.
5368
5369 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
5370
5371         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
5372
5373 2010-04-27  Martin Jambor  <mjambor@suse.cz>
5374
5375         PR middle-end/43812
5376         * ipa.c (dissolve_same_comdat_group_list): New function.
5377         (function_and_variable_visibility): Call
5378         dissolve_same_comdat_group_list when comdat group contains external or
5379         newly local nodes.
5380         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
5381         lists are circular and that they contain only DECL_ONE_ONLY nodes.
5382
5383 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5384
5385         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
5386         (const_hash_1) <VECTOR_CST>: New case.
5387         (compare_constant) <VECTOR_CST>: Likewise.
5388         <ADDR_EXPR>: Deal with LABEL_REFs.
5389         (copy_constant) <VECTOR_CST>: New case.
5390
5391 2010-04-27  Jan Hubicka  <jh@suse.cz>
5392
5393         * cgraph.c (cgraph_propagate_frequency): New function.
5394         * cgraph.h (cgraph_propagate_frequency): Declare.
5395         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
5396         cgraph_propagate_frequency.
5397
5398 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
5399
5400         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
5401
5402 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
5403
5404         PR target/40657
5405         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
5406         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
5407         here to determine which regs to push and how much stack to reserve.
5408
5409 2010-04-27  Jie Zhang  <jie@codesourcery.com>
5410
5411         * doc/gimple.texi (gimple_statement_with_ops): Remove
5412         addresses_taken field.
5413         (gimple_statement_with_memory_ops): Likewise.
5414
5415 2010-04-27  Jan Hubicka  <jh@suse.cz>
5416
5417         * tree-inline.c (eni_inlining_weights): Remove.
5418         (estimate_num_insns): Special case more builtins.
5419
5420 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
5421
5422         PR c/32207
5423         * c-typeck.c (build_binary_op): Move forward check for comparison
5424         pointer with null pointer constant and adjust the diagnostic message.
5425
5426 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
5427
5428         PR lto/42776
5429         * configure.ac (gcc_cv_as_section_has_align): Set if installed
5430         binutils supports extended .section directive needed by LTO, or
5431         warn if older binutils found.
5432         (LTO_BINARY_READER): New AC_SUBST'd variable.
5433         (LTO_USE_LIBELF): Likewise.
5434         * gcc/config.gcc (lto_binary_reader): New target-specific configure
5435         variable.
5436         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
5437         (LTO_USE_LIBELF): Likewise.
5438         * configure: Regenerate.
5439
5440         * collect2.c (is_elf): Rename from this ...
5441         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
5442          object files in addition to ELF-formatted ones.
5443         (scan_prog_file): Caller updated.  Also allow for LTO info marker
5444         symbol to be prefixed or not by an extra underscore.
5445
5446         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
5447         * config/i386/winnt.c: Also #include lto-streamer.h
5448         (i386_pe_asm_named_section): Specify 1-byte section alignment for
5449         LTO named sections.
5450         (i386_pe_asm_output_aligned_decl_common): Add comment.
5451         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
5452
5453 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
5454
5455         PR target/43889
5456         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
5457         Add missing earlyclobber for second alternative.
5458
5459 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
5460
5461         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
5462         bits for artificial defs at the top of the block.
5463         * fwprop.c (single_def_use_enter_block): Don't call it.
5464
5465 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
5466
5467         PR 43715
5468         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
5469         instead of "$gcc_cv_objdump -T".
5470         Use "-undefined dynamic_lookup" on darwin.
5471         * gcc/configure: Regenerate.
5472
5473 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
5474
5475         PR c/43893
5476         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
5477
5478 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
5479
5480         * c-parser.c (struct c_token): Move location field up.
5481         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
5482         (struct c_declspecs): Convert typespec_word, storage_class, and
5483         default_int_p into bitfields.
5484         (struct c_declarator): Move loc field up.
5485
5486 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
5487
5488         * cfgloop.h (struct loop): Move can_be_parallel field up.
5489         * ipa-prop.h (struct ip_node_params): Move bitfields up.
5490         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
5491         down.
5492         (struct iv_cand): Convert pos field into a bitfield.
5493         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
5494         field up.
5495         (struct _stmt_vec_info): Shuffle fields for better packing.
5496
5497 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
5498
5499         * varasm.c (IN_NAMED_SECTION): Remove guard.
5500         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
5501         (IN_NAMED_SECTION_P): ...this.
5502         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
5503         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5504
5505 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
5506
5507         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
5508         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
5509         of shadowing it.  Fix comments.
5510
5511 2010-04-26  Jan Hubicka  <jh@suse.cz>
5512
5513         * cgraph.c (cgraph_create_node): Set node frequency to normal.
5514         (cgraph_clone_node): Copy function frequency.
5515         * cgraph.h (node_frequency): New enum
5516         (struct cgraph_node): Add.
5517         * final.c (rest_of_clean_state): Update.
5518         * lto-cgraph.c (lto_output_node): Output node frequency.
5519         (input_overwrite_node): Input node frequency.
5520         * tre-ssa-loop-ivopts (computation_cost): Update.
5521         * lto-streamer-out.c (output_function): Do not output function
5522         frequency.
5523         * predict.c (maybe_hot_frequency_p): Update and handle functions
5524         executed once.
5525         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
5526         attribute lookup.
5527         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
5528         (compute_function_frequency): Set noreturn functions to be executed
5529         once.
5530         (choose_function_section): Update.
5531         * lto-streamer-in.c (input_function): Do not input function frequency.
5532         * function.c (allocate_struct_function): Do not initialize function
5533         frequency.
5534         * function.h (function_frequency): Remove.
5535         (struct function): Remove function frequency.
5536         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
5537         (try_update): Update.
5538         * tree-inline.c (initialize_cfun): Do not update function frequency.
5539         * passes.c (pass_init_dump_file): Update.
5540         * i386.c (ix86_compute_frame_layout): Update.
5541         (ix86_pad_returns): Update.
5542
5543 2010-04-26  Jie Zhang  <jie@codesourcery.com>
5544
5545         PR tree-optimization/43833
5546         * tree-vrp.c (range_int_cst_p): New.
5547         (range_int_cst_singleton_p): New.
5548         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
5549         when both operands are constants.  Use range_int_cst_p in
5550         BIT_IOR_EXPR case.
5551
5552 2010-04-26  Jan Hubicka  <jh@suse.cz>
5553
5554         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
5555
5556 2010-04-26  Richard Guenther  <rguenther@suse.de>
5557
5558         PR lto/43080
5559         * gimple.c (gimple_decl_printable_name): Deal gracefully
5560         with a NULL DECL_NAME.
5561
5562 2010-04-26  Richard Guenther  <rguenther@suse.de>
5563
5564         PR lto/42425
5565         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
5566         if emitting debug information and it is either a function
5567         or a namespace decl.
5568
5569 2010-04-26  Ira Rosen  <irar@il.ibm.com>
5570
5571         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
5572         determine if the statement is vectorizable, and a macro to access it.
5573         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5574         Skip statements that can't be vectorized. If the analysis fails,
5575         mark the statement as unvectorizable if vectorizing basic block.
5576         (vect_compute_data_refs_alignment): Likewise.
5577         (vect_verify_datarefs_alignment): Skip statements marked as
5578         unvectorizable. Add print.
5579         (vect_analyze_group_access): Skip statements that can't be
5580         vectorized. If the analysis fails, mark the statement as
5581         unvectorizable if vectorizing basic block.
5582         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
5583         * tree-vect-stmts.c (vectorizable_store): Fix the number of
5584         generated stmts for SLP.
5585         (new_stmt_vec_info): Initialize the new field.
5586         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
5587         statements marked as unvectorizable.
5588
5589 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
5590
5591         * c-common.c (flag_isoc1x): New.
5592         (flag_isoc99): Update comment.
5593         * c-common.h (flag_isoc1x): New.
5594         (flag_isoc99): Update comment.
5595         * c-cppbuiltin.c (builtin_define_float_constants): Also define
5596         __<type>_DECIMAL_DIG__.
5597         * c-opts.c (set_std_c1x): New.
5598         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
5599         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
5600         * c.opt (-std=c1x, -std=gnu1x): New options.
5601         * doc/cpp.texi: Mention -std=c1x.
5602         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
5603         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
5604         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
5605         * doc/standards.texi: Mention C1X.
5606         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
5607         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
5608         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
5609         Define for C1X.
5610
5611 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
5612
5613         * config/i386/gmon-sol2.c (_mcleanup): Change format string
5614         placeholder from 0x%x to %#x.
5615         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
5616         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
5617         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
5618         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
5619         * config/i386/i386.c (ix86_target_string): Ditto.
5620         (output_pic_addr_const): Ditto.
5621         (print_operand): Ditto.
5622
5623 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
5624
5625         * combine.c (find_split_point): Add third argument.  Use it
5626         to find nested multiply-accumulate instructions.  Adjust calls.
5627         (try_combine): Adjust call to find_split_point.
5628
5629 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
5630
5631         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
5632
5633 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
5634
5635         PR tree-optimization/41442
5636         * fold-const.c (merge_truthop_with_opposite_arm): New function.
5637         (fold_binary_loc): Call it.
5638
5639 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5640
5641         * toplev.c (general_init): Set default for fdiagnostics-show-option.
5642         * opts.c (common_handle_option): Allow disabling it.
5643         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
5644
5645 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
5646
5647         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
5648         between modes if both types are integral.
5649
5650 2010-04-23  Richard Guenther  <rguenther@suse.de>
5651
5652         PR tree-optimization/43572
5653         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
5654
5655 2010-04-23  Richard Guenther  <rguenther@suse.de>
5656
5657         PR lto/43455
5658         * tree-inline.c (tree_can_inline_p): Also check compatibility
5659         of return types.
5660
5661 2010-04-23  Martin Jambor  <mjambor@suse.cz>
5662
5663         PR tree-optimization/43846
5664         * tree-sra.c (struct access): New flag grp_assignment_read.
5665         (build_accesses_from_assign): Set grp_assignment_read.
5666         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
5667         (enum mark_read_status): New type.
5668         (analyze_access_subtree): Propagate grp_assignment_read, create
5669         accesses also if both direct_read and root->grp_assignment_read.
5670
5671 2010-04-23  Martin Jambor  <mjambor@suse.cz>
5672
5673         PR middle-end/43835
5674         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
5675         function does not have type attributes.
5676
5677 2010-04-23  Richard Guenther  <rguenther@suse.de>
5678
5679         PR lto/42653
5680         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
5681         of FUNCTION_DECLs.
5682
5683 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5684
5685         * sese.h (create_if_region_on_edge): Remove.
5686
5687         * sese.c (create_if_region_on_edge): Make static.
5688
5689         * tree-inline.c: Do not include ggc.h.
5690
5691         * expr.c: Do not include ggc.h.
5692
5693         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
5694         dependencies.
5695
5696 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
5697
5698         PR target/43744
5699         * config/sh/sh.c (find_barrier): Don't emit a constant pool
5700         in the middle of insns for casesi_worker_2.
5701
5702 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
5703
5704         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
5705
5706 2010-04-22  Ira Rosen  <irar@il.ibm.com>
5707
5708         PR tree-optimization/43842
5709         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
5710         loop unrolling in update of exit phis. Fix comment.
5711         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
5712         least two reduction statements in the loop before starting SLP
5713         analysis.
5714
5715 2010-04-22  Nick Clifton  <nickc@redhat.com>
5716
5717         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
5718
5719 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
5720
5721         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
5722         to simplify a + ~a.
5723
5724 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5725
5726         * tree-parloops.c (loop_parallel_p): New argument
5727         parloop_obstack.  Pass it down.
5728         (parallelize_loops): New variable parloop_obstack.  Initialize it,
5729         pass it down, free it.
5730
5731         * tree-loop-linear.c (linear_transform_loops): Pass down
5732         lambda_obstack.
5733
5734         * tree-data-ref.h (lambda_compute_access_matrices): New argument
5735         of type struct obstack *.
5736
5737         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
5738         scratch_obstack.  Initialize it, pass down, free it.
5739
5740         * lambda.h (lambda_loop_new): Remove.
5741         (lambda_matrix_new, lambda_matrix_inverse)
5742         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
5743         argument of type struct obstack *.
5744
5745         * lambda-trans.c (lambda_trans_matrix_new): New argument
5746         lambda_obstack.  Pass it down, use obstack allocation for ret.
5747         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
5748         it down.
5749
5750         * lambda-mat.c (lambda_matrix_get_column)
5751         (lambda_matrix_project_to_null): Remove.
5752         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
5753         allocation for mat.
5754         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
5755         lambda_obstack.
5756
5757         * lambda-code.c (lambda_loop_new): New function.
5758         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
5759         (lambda_compute_auxillary_space, lambda_compute_target_space)
5760         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
5761         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
5762         (build_access_matrix): New argument lambda_obstack.  Use obstack
5763         allocation for am.
5764         (lambda_compute_step_signs, lambda_compute_access_matrices): New
5765         argument lambda_obstack.  Pass it down.
5766
5767 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
5768
5769         * optabs.h (expand_widening_mult): Declare.
5770
5771 2010-04-22  Richard Guenther  <rguenther@suse.de>
5772
5773         PR tree-optimization/43845
5774         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
5775         lookup the CALL_EXPR function and arguments.
5776
5777 2010-04-22  Nick Clifton  <nickc@redhat.com>
5778
5779         * config/stormy16/stormy16.c
5780         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
5781         * config/stormy16/stormy16.h: Tidy up formatting.
5782         (DONT_USE_BUILTIN_SETJMP): Remove definition.
5783         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
5784         (ineqbranchsi): Delete pattern.
5785         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
5786         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
5787         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
5788         stormy16-lib2-ucmpsi2.c.
5789
5790 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
5791
5792         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
5793         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
5794         extra set merge_set_noclobber, and use it to relax the final test
5795         slightly.
5796         * df.h (df_simulate_find_noclobber_defs): Declare.
5797         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
5798         conditional defs.
5799         (df_simulate_find_noclobber_defs): New function.
5800
5801 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
5802
5803         * config/i386/i386.md: Use {} around multi-line preparation statements.
5804
5805 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5806
5807         * c-tree.h (push_init_level, pop_init_level, set_init_index)
5808         (process_init_element): New argument of type struct obstack *.
5809
5810         * c-typeck.c (push_init_level, pop_init_level, set_designator)
5811         (set_init_index, set_init_label, set_nonincremental_init)
5812         (set_nonincremental_init_from_string, find_init_member)
5813         (output_init_element, output_pending_init_elements)
5814         (process_init_element): New argument braced_init_obstack.  Pass it
5815         down.
5816         (push_range_stack, add_pending_init): New argument
5817         braced_init_obstack.  Use obstack allocation.
5818
5819         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
5820         braced_init_obstack.  Pass it down.
5821         (c_parser_braced_init): New variables ret, braced_init_obstack.
5822         Initialize obstack, pass it down and finally free it.
5823
5824 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
5825
5826         PR middle-end/29274
5827         * tree-pass.h (pass_optimize_widening_mul): Declare.
5828         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
5829         gate_optimize_widening_mul): New static functions.
5830         (pass_optimize_widening_mul): New.
5831         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
5832         <case MULT_EXPR>: Remove support for widening multiplies.
5833         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
5834         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
5835         simplify_gen_unary rather than directly building extensions.
5836         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
5837         WIDEN_MULT_EXPR.
5838         * expmed.c (expand_widening_mult): New function.
5839         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
5840
5841 2010-04-21  Jan Hubicka  <jh@suse.cz>
5842
5843         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
5844         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
5845         * lto-wpa-fixup.c: Remove.
5846         * Makefile.in (lto-wpa-fixup.o): Remove.
5847         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
5848         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
5849         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
5850
5851 2010-04-21  Jan Hubicka  <jh@suse.cz>
5852
5853         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
5854         add write_optimization_summary, read_optimization_summary.
5855         (ipa_write_summaries_of_cgraph_node_set): Remove.
5856         (ipa_write_optimization_summaries): Declare.
5857         (ipa_read_optimization_summaries): Declare.
5858         * ipa-cp.c (pass_ipa_cp): Update.
5859         * ipa-reference.c (pass_ipa_reference): Update.
5860         * ipa-pure-const.c (pass_ipa_pure_const): Update.
5861         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
5862         Update.
5863         * ipa-inline.c (pass_ipa_inline): Update.
5864         * ipa.c (pass_ipa_whole_program): Update.
5865         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
5866         * passes.c (ipa_write_summaries_1): Do not test wpa.
5867         (ipa_write_optimization_summaries_1): New.
5868         (ipa_write_optimization_summaries): New.
5869         (ipa_read_summaries): Do not test ltrans.
5870         (ipa_read_optimization_summaries_1): New.
5871         (ipa_read_optimization_summaries): New.
5872
5873 2010-04-21  Jan Hubicka  <jh@suse.cz>
5874
5875         * lto-cgraph.c (lto_output_node): Do not output comdat groups
5876         for boundary nodes.
5877         (output_cgraph): Do not arrange comdat groups for boundary nodes.
5878
5879 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
5880
5881         PR debug/40040
5882         * dwarf2out.c (add_name_and_src_coords_attributes): Add
5883         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
5884
5885 2010-04-21  Jan Hubicka  <jh@suse.cz>
5886
5887         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
5888
5889 2010-04-21  Jan Hubicka  <jh@suse.cz>
5890
5891         * varpool.c (decide_is_variable_needed): Variable is always needed
5892         during ltrans.
5893
5894 2010-04-21  Jan Hubicka  <jh@suse.cz>
5895
5896         * opts.c (decode_options): Enable pure-const pass for whopr.
5897
5898 2010-04-21  Jan Hubicka  <jh@suse.cz>
5899
5900         * cgraph.c (dump_cgraph_node): Dump also assembler name.
5901         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
5902         at WPA dumping.
5903         (cgraph_decide_inlining): Do not expect callee to be removed in all
5904         cases.
5905
5906 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
5907
5908         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
5909
5910 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
5911
5912         * config/i386/i386.md (x86_shrd): Add athlon_decode and
5913         amdfam10_decode attributes.
5914
5915 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
5916
5917         PR middle-end/43570
5918         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
5919         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
5920         (lower_copyprivate_clauses): Use private var in outer
5921         context instead of original var.  Make sure the types
5922         are correct for VLAs.
5923
5924 2010-04-21  Richard Guenther  <rguenther@suse.de>
5925
5926         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
5927         to non-pointer objects.
5928
5929 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
5930
5931         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
5932         last chain entry if it starts with the still current label.
5933         (add_location_or_const_value_attribute): Check that
5934         loc_list->first->next is NULL instead of comparing ->first with ->last.
5935         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
5936         to add_var_loc_to_decl.
5937
5938         * dwarf2out.c (output_call_frame_info): For dw_cie_version
5939         >= 4 add also address size and segment size fields into CIE header.
5940
5941         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
5942         long as address size is the same as sizeof (void *) and
5943         segment size is 0.
5944         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
5945         address size or segment size is unexpected, return DW_EH_PE_omit.
5946         (classify_object_over_fdes): If get_cie_encoding returned
5947         DW_EH_PE_omit, return -1.
5948         (init_object): If classify_object_over_fdes returned -1,
5949         pretend there were no FDEs at all.
5950
5951 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
5952
5953         * config/i386/i386.md (bswap<mode>2): Macroize expander from
5954         bswap{si,di}2 using SWI48 mode iterator.
5955         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
5956         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
5957         set modrm attribute of bswap insn to 0 and remove length attribute.
5958         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
5959         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
5960         set mode attribute to <MODE> and remove length attribute.
5961
5962 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
5963
5964         PR rtl-optimization/43520
5965         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
5966         zero available registers.
5967
5968 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5969
5970         * builtins.c (fold_builtin_cproj): Fold more cases.
5971
5972 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5973
5974         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
5975         (fold_builtin_1): Fold builtin cproj.
5976         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
5977         Use ATTR_CONST_NOTHROW_LIST.
5978
5979 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
5980
5981         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
5982         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
5983         ffsi2_no_cmove for !TARGET_CMOVE.
5984         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
5985         (ffssi2): Remove expander.
5986         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
5987         mode iterator.
5988         (ctz<mode>2): Ditto from ctz{si,di}2.
5989         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
5990         mode iterator.
5991         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
5992         mode iterator.
5993
5994 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
5995
5996         * dwarf2out.c (AT_linkage_name): Define.
5997         (clone_as_declaration): Handle DW_AT_linkage_name.
5998         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
5999         of DW_AT_MIPS_linkage_name.
6000         (move_linkage_attr): Likewise.
6001         (dwarf2out_finish): Likewise.
6002
6003 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
6004
6005         PR middle-end/41952
6006         * fold-const.c (fold_comparison): New folding rule.
6007
6008 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
6009
6010         * double-int.h (double_int_setbit): Declare.
6011         * double-int.c (double_int_setbit): New function.
6012         * rtl.h (immed_double_int_const): Declare.
6013         * emit-rtl.c (immed_double_int_const): New function.
6014         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
6015         and immed_double_int_const functions.
6016         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
6017         expand_copysign_bit):  (Ditto.).
6018         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
6019         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
6020         * dojump.c (prefer_and_bit_test): (Ditto.).
6021         * expr.c (convert_modes, reduce_to_bit_field_precision,
6022         const_vector_from_tree): (Ditto.).
6023         * expmed.c (mask_rtx, lshift_value): (Ditto.).
6024
6025 2010-04-20  Jan Hubicka  <jh@suse.cz>
6026
6027         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
6028         (dump_cgraph_node): Dump new flags.
6029         * cgraph.h (struct cgraph_node): Add flags
6030         reachable_from_other_partition and in_other_partition.
6031         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
6032         other partition can not be removed.
6033         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
6034         the other partition must be output; silence sanity checking on
6035         leaking functions bodies from other paritition.
6036         * lto-cgraph.c (reachable_from_other_partition_p): New function.
6037         (lto_output_node): Output new flags; do not sanity check that inline
6038         clones are output; drop lto_forced_extern_inline_p code; do not mock
6039         visibility flags at partition boundaries.
6040         (add_node_to): New function.
6041         (output_cgraph): Use it to sort functions so masters appear before
6042         clones.
6043         (input_overwrite_node): Input new flags.
6044         * passes.c (ipa_write_summaries): Do not call
6045         lto_new_extern_inline_states.
6046         * lto-section-out.c (forced_extern_inline,
6047         lto_new_extern_inline_states lto_delete_extern_inline_states,
6048         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
6049         * lto-streamer.h (lto_new_extern_inline_states,
6050         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
6051         lto_forced_extern_inline_p): Kill.
6052
6053 2010-04-20  Richard Guenther  <rguenther@suse.de>
6054
6055         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
6056         from vars that can have pointers.
6057         (process_constraint): Dump useless constraints.
6058
6059 2010-04-20  Richard Guenther  <rguenther@suse.de>
6060
6061         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
6062         (dump_sa_points_to_info): Remove asserts.
6063         (init_base_vars): nothing_id isn't an escape point nor does it
6064         have pointers.
6065
6066 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
6067
6068         * tree.h (TYPE_REF_IS_RVALUE): Define.
6069         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
6070         should_move_die_to_comdat, prune_unused_types_walk): Handle
6071         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
6072         (modified_type_die, gen_reference_type_die): Emit
6073         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
6074         if TYPE_REF_IS_RVALUE and -gdwarf-4.
6075
6076 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6077
6078         PR target/43635
6079         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
6080         calls for -fpic -m31 if they have been sibcall optimized.
6081
6082 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
6083
6084         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
6085         ar.lc fixed and call-used.
6086
6087         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
6088
6089 2010-04-19  Jan Hubicka  <jh@suse.cz>
6090
6091         * opts.c (decode_options): Disable whpr incompatible passes.
6092         * lto/lto.c (lto_1_to_1_map): Skip clones.
6093         (read_cgraph_and_symbols): Do not mark everything as needed.
6094         (do_whole_program_analysis): Do map only after optimizing;
6095         set proper cgraph_state; use passmanager.
6096
6097 2010-04-19  DJ Delorie  <dj@redhat.com>
6098
6099         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
6100         POINTER_PLUS_EXPR and fix them.
6101
6102 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
6103
6104         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
6105         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
6106         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
6107         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
6108         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
6109         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
6110         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
6111         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
6112         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
6113         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
6114         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
6115
6116 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
6117
6118         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
6119         (check_cond_move_block): Likewise.
6120         (cond_move_process_if_block): Likewise.
6121         (noce_find_if_block): Improve formatting.
6122         (find_if_header): Pass 0 to memset and tweak conditions.
6123         (cond_exec_find_if_block): Fix long lines and tweak conditions.
6124
6125 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
6126
6127         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
6128         for -gdwarf-4.
6129
6130         PR middle-end/43337
6131         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
6132         with non-local decl doesn't need chain.
6133
6134 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
6135
6136         * ira-color.c (allocno_reload_assign): Avoid accumulating
6137         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
6138
6139 2010-04-19  Martin Jambor  <mjambor@suse.cz>
6140
6141         * gimple.h (create_tmp_reg): Declare.
6142         * gimplify.c (create_tmp_reg): New function.
6143         (gimplify_return_expr): Use create_tmp_reg.
6144         (gimplify_omp_atomic): Likewise.
6145         (gimple_regimplify_operands): Likewise.
6146         * tree-dfa.c (make_rename_temp): Likewise.
6147         * tree-predcom.c (predcom_tmp_var): Likewise.
6148         (reassociate_to_the_same_stmt): Likewise.
6149         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
6150         (get_replaced_param_substitute): Likewise.
6151         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
6152         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
6153         * tree-ssa-pre.c (get_representative_for): Likewise.
6154         (create_expression_by_pieces): Likewise.
6155         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
6156         (create_tailcall_accumulator): Likewise.
6157
6158 2010-04-19  Martin Jambor  <mjambor@suse.cz>
6159
6160         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
6161         new_stmt.
6162         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
6163
6164 2010-04-19  Richard Guenther  <rguenther@suse.de>
6165
6166         PR tree-optimization/43796
6167         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
6168         from SCEV in the lattice.
6169         (vrp_visit_phi_node): Dump change.
6170
6171 2010-04-19  Richard Guenther  <rguenther@suse.de>
6172
6173         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
6174         * configure: Re-generated.
6175
6176 2010-04-19  Richard Guenther  <rguenther@suse.de>
6177
6178         PR tree-optimization/43783
6179         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
6180         constant ARRAY_REF operands two and three if possible.
6181
6182 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
6183
6184         PR target/43766
6185         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
6186
6187 2010-04-19  Jie Zhang  <jie@codesourcery.com>
6188
6189         PR target/43662
6190         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
6191
6192 2010-04-19  Ira Rosen  <irar@il.ibm.com>
6193
6194         PR tree-optimization/37027
6195         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
6196         and macro to access it.
6197         (vectorizable_reduction): Add argument.
6198         (vect_get_slp_defs): Likewise.
6199         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
6200         statements for possible use in SLP.
6201         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
6202         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
6203         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
6204         add new argument.
6205         (vectorizable_reduction): Likewise.
6206         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
6207         vect_get_slp_defs.
6208         (vectorizable_type_demotion, vectorizable_type_promotion,
6209         vectorizable_store): Likewise.
6210         (vect_analyze_stmt): Update call to vectorizable_reduction.
6211         (vect_transform_stmt): Likewise.
6212         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
6213         (vect_build_slp_tree): Fix indentation. Check that there are no loads
6214         from different interleaving chains in same node.
6215         (vect_slp_rearrange_stmts): New function.
6216         (vect_supported_load_permutation_p): Allow load permutations for
6217         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
6218         inside SLP nodes if necessary.
6219         (vect_analyze_slp_instance): Handle reductions.
6220         (vect_analyze_slp): Try to build SLP instances originating from groups
6221         of reductions.
6222         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
6223         (vect_get_constant_vectors): Create initial vectors for reductions
6224         according to reduction code. Add new argument.
6225         (vect_get_slp_defs): Add new argument, pass it to
6226         vect_get_constant_vectors.
6227         (vect_schedule_slp_instance): Remove SLP tree root statements.
6228
6229 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
6230
6231         * tree.h (ENUM_IS_SCOPED): Define.
6232         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
6233         for ENUM_IS_SCOPED enums.
6234
6235 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
6236
6237         * fold-const.c (fold_comparison): Use ssizetype.
6238         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
6239         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
6240         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
6241         * tree-object-size.c (compute_object_sizes): Use size_type_node.
6242
6243         * tree.h (initialize_sizetypes): Remove parameter.
6244         (build_common_tree_nodes): Remove second parameter.
6245         * stor-layout.c (initialize_sizetypes): Remove parameter.
6246         Always create an unsigned type.
6247         (set_sizetype): Assert that the passed type is unsigned and simplify.
6248         * tree.c (build_common_tree_nodes): Remove second parameter.
6249         Adjust call to initialize_sizetypes.
6250         * c-decl.c (c_init_decl_processing): Remove second argument in call to
6251         build_common_tree_nodes.
6252
6253 2010-04-18  Matthias Klose  <doko@ubuntu.com>
6254
6255         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
6256
6257 2010-04-18  Ira Rosen  <irar@il.ibm.com>
6258
6259         PR tree-optimization/43771
6260         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
6261         load permutation doesn't have gaps.
6262
6263 2010-04-18  Jan Hubicka  <jh@suse.cz>
6264
6265         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
6266         (sse_prologue_save_insn expander): Use new pattern.
6267         (sse_prologue_save_insn1): New pattern and splitter.
6268         (sse_prologue_save_insn): Update to deal also with 64bit aligned
6269         blocks.
6270         * i386.c (setup_incoming_varargs_64): Do not compute jump
6271         destination here.
6272         (ix86_gimplify_va_arg): Update alignment needed.
6273         (ix86_local_alignment): Do not align all local arrays to 128bit.
6274
6275 2010-04-17  Jan Hubicka  <jh@suse.cz>
6276
6277         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
6278
6279 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
6280
6281         * arm.md (negdi2): Remove redundant code to force values into a
6282         register.
6283
6284 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
6285
6286         * arm/bpabi.S: Add EABI alignment attributes to objects.
6287         * arm/bpabi-v6m.S: Likewise.
6288         * arm/crti.asm: Likewise.
6289         * arm/crtn.asm: Likewise.
6290         * arm/lib1funcs.asm: Likewise.
6291         * arm/libunwind.S: Likewise.
6292
6293 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
6294
6295         * arm-protos.h (tune_params): New structure.
6296         * arm.c (current_tune): New variable.
6297         (arm_constant_limit): Delete.
6298         (struct processors): Add pointer to the tune parameters.
6299         (arm_slowmul_tune): New tuning option.
6300         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
6301         (all_cores): Adjust to pick up the tuning model.
6302         (arm_constant_limit): New function.
6303         (arm_override_options): Select the appropriate tuning model.  Delete
6304         initialization of arm_const_limit.
6305         (arm_split_constant): Use the new constant-limit model.
6306         (arm_rtx_costs): Pick up the current tuning model.
6307         * arm.md (is_strongarm, is_xscale): Delete.
6308         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
6309         for Xscale variant architectures.
6310         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
6311
6312 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6313
6314         * config/arm/arm.c (arm_gen_constant): Remove unused variable
6315         can_shift.
6316         (arm_rtx_costs_1): Remove unused variable extra_cost.
6317         (arm_unwind_emit_set): Use variable offset.
6318         (thumb1_output_casesi): Remove unused variable flags.
6319
6320 2010-04-16  Jeff Law  <law@redhat.com>
6321
6322         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
6323         needing assignment rather than doing a two-phase assignment.  Remove
6324         unused variable 'm'.
6325
6326 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
6327
6328         PR bootstrap/43767
6329         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
6330
6331 2010-04-16  Doug Kwan  <dougkwan@google.com>
6332
6333         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
6334         (next_operand_entry_id): New static variable.
6335         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
6336         (add_to_ops_vec): Assigned unique ID to operand entry.
6337         (struct oecount_s): New field ID.
6338         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
6339         (undistribute_ops_list): Assign unique IDs to oecounts.
6340         (init_reassoc): reset next_operand_entry_id.
6341
6342 2010-04-16  Doug Kwan  <dougkwan@google.com>
6343
6344         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
6345         missing left parenthesis.
6346
6347 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
6348
6349         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
6350         *btdi_rex64 using SWI48 mode iterator.
6351         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
6352         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
6353         *jcc_btdi_mask_rex64.
6354
6355 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
6356
6357         * double-int.h (tree_to_double_int): Convert to macro.
6358         * double-int.c (tree_to_double_int): Remove.
6359
6360 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
6361
6362         PR debug/43762
6363         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
6364         with want_address 2 and in case a single element list might be
6365         possible, call it again with want_address 0.
6366
6367 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
6368
6369         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
6370         case 'W' print operands for HI mode.
6371         * config/h8300/h8300.h (Y0, Y2) : New constraints.
6372         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
6373         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
6374         * config/h8300/predicate.md (bit_register_indirect_operand): New.
6375
6376         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
6377
6378         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
6379         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
6380         #xx:3 and #xx:4 mode.
6381
6382         * config/h8300/h8300.md (inverted load with HImode dest): Add
6383         support for H8300SX.
6384
6385         * config/h8300/predicate.md (bit_operand): Allow immediate values that
6386         satisfy 'U' constraint.
6387
6388 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6389
6390         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
6391         * configure: Regenerate.
6392         * config.in: Regenerate.
6393         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
6394         works.
6395
6396 2010-04-16  Richard Guenther  <rguenther@suse.de>
6397
6398         * tree.h (struct tree_decl_minimal): Move pt_uid ...
6399         (struct tree_decl_common): ... here.
6400         (DECL_PT_UID): Adjust.
6401         (SET_DECL_PT_UID): Likewise.
6402         (DECL_PT_UID_SET_P): Likewise.
6403
6404 2010-04-16  Richard Guenther  <rguenther@suse.de>
6405
6406         PR tree-optimization/43572
6407         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
6408         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
6409         * tree-flow.h (is_call_clobbered): Remove.
6410         * tree-flow-inline.h (is_call_clobbered): Likewise.
6411         * tree-dfa.c (dump_variable): Do not dump call clobber state.
6412         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
6413         (execute_return_slot_opt): Adjust.
6414         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
6415         check for call clobbered vars here.
6416         (find_tail_calls): Move tailcall verification to the
6417         proper place.
6418
6419 2010-04-16  Diego Novillo  <dnovillo@google.com>
6420
6421         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
6422
6423 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
6424
6425         PR target/40603
6426         * config/arm/arm.md (cbranchqi4): New pattern.
6427         * config/arm/predicates.md (const0_operand,
6428         cbranchqi4_comparison_operator): New predicates.
6429
6430 2010-04-16  Richard Guenther  <rguenther@suse.de>
6431
6432         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
6433         (dump_gimple_stmt): Likewise.
6434
6435 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
6436
6437         * recog.h (struct recog_data): New field is_operator.
6438         (struct insn_operand_data): New field is_operator.
6439         * recog.c (extract_insn): Set recog_data.is_operator.
6440         * genoutput.c (output_operand_data): Emit code to set the
6441         is_operator field.
6442         * reload.c (find_reloads): Use it rather than testing for an
6443         empty constraint string.
6444
6445         PR target/41514
6446         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
6447         If the previous insn is a cbranchsi4_insn with the same arguments,
6448         omit the compare instruction.
6449
6450         * config/arm/arm.md (addsi3_cbranch): If destination is a high
6451         register, inputs must be low registers and we need a low register
6452         scratch.  Handle alternative 2 like alternative 3.
6453
6454 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
6455
6456         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
6457         don't call get_addr on both.  If one expression is a VALUE and
6458         the other a REG, check VALUE's locs if the REG isn't among them.
6459
6460 2010-04-16  Christian Bruel  <christian.bruel@st.com>
6461
6462         * config/sh/sh.h (sh_frame_pointer_required): New function.
6463         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
6464         (flag_omit_frame_pointer) Set.
6465         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
6466         (rounded_frame_size): Adjust size with outgoing_args_size.
6467         (sh_set_return_address): Must return from stack pointer.
6468         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
6469         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
6470         (ACCUMULATE_OUTGOING_ARGS): Define.
6471         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
6472         * gcc/config/sh/sh.opt (maccumulate-outgoing-args): New option.
6473
6474 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
6475
6476         PR target/43471
6477         * config/sh/sh.c (sh_legitimize_reload_address): Use
6478         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
6479         Remove a unneeded check for offset_base.
6480
6481 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
6482
6483         * configure: Regenerated.
6484
6485 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6486
6487         * config/s390/s390.c (s390_call_save_register_used): Switch back
6488         to HARD_REGNO_NREGS.
6489
6490 2010-04-15  Richard Guenther  <rguenther@suse.de>
6491
6492         * alias.c (alias_set_subset_of): Handle alias-set zero
6493         child properly.
6494
6495 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
6496             Julian Brown  <julian@codesourcery.com>
6497
6498         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
6499         alternatives according to use of high and low regs.
6500         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
6501         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
6502         optimizing for size on Thumb-2.
6503
6504 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
6505
6506         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
6507
6508 2010-04-15  Richard Guenther  <rguenther@suse.de>
6509
6510         * tree-ssa-structalias.c (struct variable_info): Add
6511         is_fn_info flag.
6512         (new_var_info): Initialize it.
6513         (dump_constraints): Support printing last added constraints.
6514         (debug_constraints): Adjust.
6515         (dump_constraint_graph): Likewise.
6516         (make_heapvar_for): Check for NULL cfun.
6517         (get_function_part_constraint): New function.
6518         (get_fi_for_callee): Likewise.
6519         (find_func_aliases): Properly implement IPA PTA constraints.
6520         (process_ipa_clobber): New function.
6521         (find_func_clobbers): Likewise.
6522         (insert_into_field_list_sorted): Remove.
6523         (create_function_info_for): Properly allocate vars for IPA mode.
6524         Do not use insert_into_field_list_sorted.
6525         (create_variable_info_for): Properly generate constraints for
6526         global vars in IPA mode.
6527         (dump_solution_for_var): Always dump the solution.
6528         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
6529         (find_what_var_points_to): Adjust.
6530         (pt_solution_set): Change.
6531         (pt_solution_ior_into): New function.
6532         (pt_solution_empty_p): Export.
6533         (pt_solution_includes_global): Adjust.
6534         (pt_solution_includes_1): Likewise.
6535         (pt_solutions_intersect_1): Likewise.
6536         (dump_sa_points_to_info): Check some invariants.
6537         (solve_constraints): Move constraint dumping ...
6538         (compute_points_to_sets): ... here.
6539         (ipa_pta_execute): ... and here.
6540         (compute_may_aliases): Do not re-compute points-to info
6541         locally if IPA info is available.
6542         (ipa_escaped_pt): New global var.
6543         (ipa_pta_execute): Properly implement IPA PTA.
6544         * tree-into-ssa.c (dump_decl_set): Support dumping
6545         decls not in referenced-vars.
6546         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
6547         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
6548         (dump_points_to_solution): Likewise.
6549         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
6550         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
6551         (remap_gimple_stmt): Reset call clobber/use information if necessary.
6552         (copy_decl_to_var): Copy DECL_PT_UID.
6553         (copy_result_decl_to_var): Likewise.
6554         * tree.c (make_node_stat): Initialize DECL_PT_UID.
6555         (copy_node_stat): Copy it.
6556         * tree.h (DECL_PT_UID): New macro.
6557         (SET_DECL_PT_UID): Likewise.
6558         (DECL_PT_UID_SET_P): Likewise.
6559         (struct tree_decl_minimal): Add pt_uid member.
6560         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
6561         (pt_solution_empty_p): Declare.
6562         (pt_solution_set): Adjust.
6563         (ipa_escaped_pt): Declare.
6564         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
6565         * gimple-pretty-print.c (pp_points_to_solution): New function.
6566         (dump_gimple_call): Dump call clobber/use information.
6567         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
6568         * tree-pass.h (TDF_ALIAS): New dump option.
6569         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
6570         * doc/invoke.texi (-fipa-pta): Update documentation.
6571
6572 2010-04-15  Richard Guenther  <rguenther@suse.de>
6573
6574         * Makefile.in (OBJS-common): Add gimple-fold.o.
6575         (gimple-fold.o): New rule.
6576         * tree.h (maybe_fold_offset_to_reference,
6577         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
6578         prototypes ...
6579         * gimple.h: ... here.
6580         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
6581         may_propagate_address_into_dereference): Move prototypes ...
6582         * gimple.h: ... here.
6583         * tree-ssa-ccp.c (get_symbol_constant_value,
6584         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
6585         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
6586         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
6587         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
6588         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
6589         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
6590         gimplify_and_update_call_from_tree): Move ...
6591         * gimple-fold.c: ... here.  New file.
6592         (ccp_fold_builtin): Rename to ...
6593         (gimple_fold_builtin): ... this.
6594         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
6595
6596 2010-04-15  Richard Guenther  <rguenther@suse.de>
6597
6598         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
6599         fit_double_type, force_fit_type_double, add_double_with_sign,
6600         neg_double, mul_double_with_sign, lshift_double, rshift_double,
6601         lrotate_double, rrotate_double, div_and_round_double): Move ...
6602         * double-int.c: ... here.
6603         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
6604         add_double, neg_double, mul_double_with_sign, mul_double,
6605         lshift_double, rshift_double, lrotate_double, rrotate_double,
6606         div_and_round_double): Move prototypes ...
6607         * double-int.h: ... here.
6608
6609 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
6610
6611         PR target/43742
6612         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
6613         matching constraints to ensure inputs match the output.
6614
6615 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
6616
6617         PR target/43742
6618         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
6619         in an input-only operand.
6620
6621 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
6622
6623         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
6624         (double_int_not, double_int_lshift, double_int_rshift): Declare.
6625         (double_int_negative_p): Convert to static inline function.
6626         * double-int.c (double_int_lshift, double_int_lshift): New functions.
6627         (double_int_negative_p): Remove.
6628         * tree.h (lshift_double, rshift_double):
6629         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
6630         * fold-const.c (fold_convert_const_int_from_real,
6631         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
6632         (lshift_double): Change type of arith argument to bool.
6633         (rshift_double): Change type of arith argument to bool. Correct
6634         comment.
6635         * expmed.c (mask_rtx, lshift_value): (Ditto.).
6636
6637 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
6638
6639         PR target/21803
6640         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
6641         at the start and end of the then/else blocks, and omit them from the
6642         conversion.
6643         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
6644         argument; all callers changed.  Pass zero to old_insns_match_p instead.
6645         (flow_find_head_matching_sequence): New function.
6646         (old_insns_match_p): Check REG_EH_REGION notes for calls.
6647         * basic-block.h (flow_find_cross_jump,
6648         flow_find_head_matching_sequence): Declare functions.
6649
6650 2010-04-14  Jason Merrill  <jason@redhat.com>
6651
6652         PR c++/36625
6653         * c-common.c (attribute_takes_identifier_p): New fn.
6654         * c-common.h: Declare it.
6655
6656 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
6657
6658         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
6659         splitter condition.
6660         (*udivmod<mode>4): Ditto.
6661
6662 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
6663
6664         * config/i386/i386.md (maxmin_int): Rename code attribute from
6665         maxminiprefix and update all users.
6666         (maxmin_float): Ditto from maxminfprefix.
6667         (logic): Ditto from logicprefix.
6668         (absneg_mnemonic): Ditto from absnegprefix.
6669         * config/i386/mmx.md: Update all users of maxminiprefix,
6670         maxminfprefix and logicprefix for rename.
6671         * config/i386/sse.md: Ditto.
6672         * config/i386/sync.md (sync_<code><mode>): Update for
6673         logicprefix rename.
6674
6675 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6676
6677         PR 42966
6678         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
6679         warnings converted to errors.
6680
6681 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
6682
6683         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
6684         used insn_type variable.
6685         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
6686         to avoid set-but-not-used warning.
6687
6688 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
6689
6690         * df-core.c (df_ref_debug): Change format string placeholder
6691         from 0x%x to %#x.
6692         * dwarf2asm.c (dw2_asm_output_data_raw,
6693         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
6694         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
6695         * dwarf2out.c (output_cfi, output_cfi_directive,
6696         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
6697         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
6698         Ditto.
6699         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
6700         * print-rtl.c (print_rtx): Ditto.
6701
6702 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6703
6704         PR middle-end/42694
6705         * builtins.c (expand_builtin_pow_root): New function to expand pow
6706         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
6707         series of sqrt and cbrt calls under -ffast-math.
6708         (expand_builtin_pow): Call it.
6709
6710 2010-04-14  Michael Matz  <matz@suse.de>
6711
6712         PR tree-optimization/42963
6713         * tree-cfg.c (touched_switch_bbs): New static variable.
6714         (group_case_labels_stmt): New function broken out from ...
6715         (group_case_labels): ... here, use the above.
6716         (start_recording_case_labels): Allocate touched_switch_bbs.
6717         (end_recording_case_labels): Deallocate it, call
6718         group_case_labels_stmt.
6719         (gimple_redirect_edge_and_branch): Remember index of affected BB.
6720
6721 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
6722
6723         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
6724         from insn template.
6725
6726 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
6727
6728         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
6729
6730 2010-04-13  Jan Hubicka  <jh@suse.cz>
6731
6732         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
6733         of optimized out static functions.
6734         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
6735         cost computation.  Also sanity check for overflows.
6736         (update_caller_keys): Update cgraph_edge_badness call; properly
6737         update fibheap and sanity check that it is up to date.
6738         (add_new_edges_to_heap): Update cgraph_edge_badness.
6739         (cgraph_decide_inlining_of_small_function): Likewise;
6740         add sanity checking that badness in heap is up to date;
6741         improve dumping of reason; Update badness of calls to the
6742         offline copy of function currently inlined; dump badness
6743         of functions not inlined because of unit growth limits.
6744
6745 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
6746
6747         PR middle-end/32628
6748         * c-common.c (pointer_int_sum): Disregard overflow that occured only
6749         because of sign-extension change when converting to sizetype here...
6750         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
6751
6752         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
6753         the folding to constants.  Remove redundant final conversion.
6754         (fold_binary) <associate>: Do not associate if the re-association of
6755         constants alone overflows.
6756         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
6757         to the end of the list.
6758         (multiple_of_p) <COND_EXPR>: New case.
6759
6760 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6761
6762         * opt-functions.awk (opt_sanitized_name): New.
6763         (opt_enum): New.
6764         * optc-gen.awk: Use it
6765         * opth-gen.awk: Use it.
6766
6767 2010-04-13  Martin Jambor  <mjambor@suse.cz>
6768
6769         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
6770         (sra_modify_assign): Delete stmts loading dead data even if racc has no
6771         children.  Call replace_uses_with_default_def_ssa_name to handle
6772         SSA_NAES on lhs.
6773
6774 2010-04-13  Michael Matz  <matz@suse.de>
6775
6776         PR middle-end/43730
6777         * builtins.c (expand_builtin_interclass_mathfn): Also create
6778         a register if the predicate doesn't match.
6779
6780 2010-04-13  Diego Novillo  <dnovillo@google.com>
6781
6782         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
6783         * c-pch.c: Include timevar.h.
6784         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
6785         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
6786         * ggc-common.c: Include timevar.h.
6787         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
6788         * timevar.def (TV_PCH_SAVE): Define.
6789         (TV_PCH_CPP_SAVE): Define.
6790         (TV_PCH_PTR_REALLOC): Define.
6791         (TV_PCH_PTR_SORT): Define.
6792         (TV_PCH_RESTORE): Define.
6793         (TV_PCH_CPP_RESTORE): Define.
6794
6795 2010-04-13  Michael Matz  <matz@suse.de>
6796
6797         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
6798         into MINUS_EXPRs.
6799         (can_reassociate_p): New function.
6800         (break_up_subtract_bb, reassociate_bb): Use it.
6801
6802 2010-04-13  Richard Guenther  <rguenther@suse.de>
6803
6804         PR bootstrap/43737
6805         * builtins.c (c_readstr): Fix assert.
6806
6807 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
6808
6809         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
6810         when generating cltd insn.
6811
6812         (*ashl<mode>3_1): Remove special handling for register operand 2.
6813         (*ashlsi3_1_zext): Ditto.
6814         (*ashlhi3_1): Ditto.
6815         (*ashlhi3_1_lea): Ditto.
6816         (*ashlqi3_1): Ditto.
6817         (*ashlqi3_1_lea): Ditto.
6818         (*<shiftrt_insn><mode>3_1): Ditto.
6819         (*<shiftrt_insn>si3_1_zext): Ditto.
6820         (*<shiftrt_insn>qi3_1_slp): Ditto.
6821         (*<rotate_insn><mode>3_1): Ditto.
6822         (*<rotate_insn>si3_1_zext): Ditto.
6823         (*<rotate_insn>qi3_1_slp): Ditto.
6824
6825 2010-04-13  Richard Guenther  <rguenther@suse.de>
6826
6827         * tree-ssa-structalias.c (callused_id): Remove.
6828         (call_stmt_vars): New.
6829         (get_call_vi): Likewise.
6830         (lookup_call_use_vi): Likewise.
6831         (lookup_call_clobber_vi): Likewise.
6832         (get_call_use_vi): Likewise.
6833         (get_call_clobber_vi): Likewise.
6834         (make_transitive_closure_constraints): Likewise.
6835         (handle_const_call): Adjust to do per-call call-used handling.
6836         (handle_pure_call): Likewise.
6837         (find_what_var_points_to): Remove general callused handling.
6838         (init_base_vars): Likewise.
6839         (init_alias_vars): Initialize call_stmt_vars.
6840         (compute_points_to_sets): Process call-used and call-clobbered
6841         vars for call statements.
6842         (delete_points_to_sets): Free call_stmt_vars.
6843
6844 2010-04-13  Richard Guenther  <rguenther@suse.de>
6845
6846         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
6847         Only add RW dependence for dependence distance zero.
6848         Adjust maximal vectorization factor according to dependences.
6849         Move alignment handling ...
6850         (vect_find_same_alignment_drs): ... here.  New function.
6851         (vect_analyze_data_ref_dependences): Adjust.
6852         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
6853         (vect_analyze_data_refs): Adjust minimal vectorization factor
6854         according to data references.
6855         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
6856         dependences before determining the vectorization factor.
6857         Analyze alignment after determining the vectorization factor.
6858         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
6859         dependences before alignment.
6860         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
6861         Adjust prototype.
6862         (vect_analyze_data_refs): Likewise.
6863         (MAX_VECTORIZATION_FACTOR): New define.
6864
6865 2010-04-13  Duncan Sands  <baldrick@free.fr>
6866
6867         * except.h (lang_eh_type_covers): Remove.
6868         * except.c (lang_eh_type_covers): Likewise.
6869
6870 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6871             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6872
6873         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
6874         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
6875         UNITS_PER_LONG where it is ABI relevant.
6876         (s390_return_addr_rtx): Likewise.
6877         (s390_back_chain_rtx): Likewise.
6878         (s390_frame_area): Likewise.
6879         (s390_frame_info): Likewise.
6880         (s390_initial_elimination_offset): Likewise.
6881         (save_gprs): Likewise.
6882         (s390_emit_prologue): Likewise.
6883         (s390_emit_epilogue): Likewise.
6884         (s390_function_arg_advance): Likewise.
6885         (s390_function_arg): Likewise.
6886         (s390_va_start): Likewise.
6887         (s390_gimplify_va_arg): Likewise.
6888         (s390_function_profiler): Likewise.
6889         (s390_optimize_prologue): Likewise.
6890         (s390_rtx_costs): Likewise.
6891         (s390_secondary_reload): Likewise.
6892         (s390_promote_function_mode): Likewise.
6893         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
6894         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
6895         registers available.
6896         (s390_unwind_word_mode): New function.
6897         (s390_function_value): Split 64 bit values into register pair if
6898         used as return value.
6899         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
6900         function call parameters.  Handle parallels.
6901         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
6902         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6903         (DWARF_CIE_DATA_ALIGNMENT): New macro.
6904         (s390_expand_setmem): Remove unused variable src_addr.
6905         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
6906         deal with 64 bit registers.
6907         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
6908         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
6909         (UNITS_PER_LONG): New macro.
6910         * libjava/include/s390-signal.h: Define extended ucontext
6911         structure containing the upper halfs of the 64 bit registers.
6912
6913 2010-04-13  Simon Baldwin  <simonb@google.com>
6914
6915         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
6916
6917 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
6918
6919         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
6920         rvalue on the RHS if the LHS is of a non-renamable type.
6921         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
6922
6923 2010-04-13  Matthias Klose  <doko@ubuntu.com>
6924
6925         * gcc.c (cc1_options): Handle -iplugindir before processing
6926         the cc1 spec. Only add -iplugindir once.
6927         (cpp_unique_options): Add -iplugindir option if -fplugin* options
6928         found.
6929         * common.opt (iplugindir): Remove `Separate' property, initialize.
6930         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
6931         option.
6932         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
6933         (distclean): Remove plugin dir.
6934         * doc/invoke.texi: Document -iplugindir.
6935
6936 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
6937
6938         * doc/plugins.texi (Loading Plugins): Document short
6939         -fplugin=foo option.
6940         (Plugin API): Mention default_plugin_dir_name function.
6941
6942         * gcc.c (find_file_spec_function): Add new declaration.
6943         (static_spec_func): Use it for "find-file".
6944         (find_file_spec_function): Add new function.
6945         (cc1_options): Add -iplugindir option if -fplugin* options found.
6946
6947         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
6948
6949         * plugin.c (add_new_plugin): Updated comment, and handle short
6950         plugin name.
6951         (default_plugin_dir_name): Added new function.
6952
6953         * common.opt (iplugindir): New option to set the plugin directory.
6954
6955 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
6956
6957         * config/i386/i386.md (any_rotate): New code iterator.
6958         (rotate_insn): New code attribute.
6959         (rotate): Ditto.
6960         (SWIM124): New mode iterator.
6961         (<rotate_insn>ti3): New expander.
6962         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
6963         any_rotate code iterator.
6964         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
6965         using any_rotate code iterator and SWIM124 mode iterator.
6966         (ix86_rotlti3): New insn_and_split pattern.
6967         (ix86_rotrti3): Ditto.
6968         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
6969         ix86_rotl{di,ti}3 patterns.
6970         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
6971         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
6972         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
6973         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
6974         code iterator and SWI mode iterator.
6975         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
6976         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
6977         code iterator.
6978         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
6979         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
6980         (bswap rotatert splitter): Add splitter.
6981         (bswap splitter): Macroize splitter using any_rotate code iterator.
6982         Add insn predicate to split only for TARGET_USE_XCHGB or when
6983         optimizing function for size.
6984
6985 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
6986
6987         * config/pa/pa.c (emit_move_sequence): Remove use of
6988         deleted variable flag_argument_noalias.
6989
6990 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6991
6992         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
6993         configurations.
6994         Add to unsupported targets list.
6995         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
6996         sparc*-sun-solaris2.[567]* from target lists.
6997         * configure: Regenerate.
6998         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
6999         removal.
7000         Remove Solaris 7 patch references.
7001         (Specific, sparc-sun-solaris2.7): Removed.
7002         (sparc-sun-solaris2*): Update Solaris 7 example.
7003         (sparc64-*-solaris2*): Likewise.
7004
7005 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7006
7007         * config.build (alpha*-dec-osf4*): Remove.
7008         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
7009         of obsolete configurations.
7010         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
7011         support.
7012         * config/alpha/t-osf4: Renamed to ...
7013         * config/alpha/t-osf5: ... this.
7014         * config/alpha/osf.h: Renamed to ...
7015         * config/alpha/osf5.h: ... this.
7016         Merged old osf5.h contents.
7017         Update comments.
7018         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
7019         (EXTRA_SPECS): Removed.
7020         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
7021         reflect removal of Tru64 UNIX V4.0/V5.0 support.
7022         Document that.
7023
7024 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7025
7026         * doc/contrib.texi (Contributors, Rainer Orth): Update.
7027
7028 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
7029
7030         PR/43702
7031         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
7032         __thiscall convention.
7033
7034 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
7035
7036         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
7037         orig_base.
7038         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
7039
7040 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
7041
7042         * function.c (assign_parms_initialize_all): Add unused attribute
7043         to fntype.
7044
7045 2010-04-12  Richard Guenther  <rguenther@suse.de>
7046
7047         * gsstruct.def (GSS_CALL): New.
7048         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
7049         * gimple.h: Include tree-ssa-alias.h.
7050         (struct gimple_statement_call): New.
7051         (union gimple_statement_struct_d): Add gimple_call member.
7052         (gimple_call_reset_alias_info): Declare.
7053         (gimple_call_use_set): New function.
7054         (gimple_call_clobber_set): Likewise.
7055         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
7056         * gimple.c (gimple_call_reset_alias_info): New function.
7057         (gimple_build_call_1): Call it.
7058         * lto-streamer-in.c (input_gimple_stmt): Likewise.
7059         * tree-inline.c (remap_gimple_stmt): Likewise.
7060         (expand_call_inline): Remove callused handling.
7061         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
7062         * tree-dfa.c (dump_variable): Likewise.
7063         * tree-parloops.c (parallelize_loops): Likewise.
7064         * tree-ssa.c (init_tree_ssa): Likewise.
7065         (delete_tree_ssa): Likewise.
7066         * tree-flow-inline.h (is_call_used): Remove.
7067         * tree-flow.h (struct gimple_df): Remove callused member.
7068         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
7069         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
7070         (ref_maybe_used_by_call_p_1): Simplify.
7071         (call_may_clobber_ref_p_1): Likewise.
7072         * tree-ssa-structalias.c (compute_points_to_sets): Set
7073         the call stmt used and clobbered sets.
7074         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
7075         (find_tail_calls): Verify the tail call.
7076
7077 2010-04-12  Richard Guenther  <rguenther@suse.de>
7078
7079         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
7080         single-iteration always-inline inlining.
7081         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
7082         (cgraph_decide_inlining): Do not handle always-inline specially.
7083         (try_inline): Remove always-inline cycle detection special case.
7084         Do not recurse on always-inlines.
7085         (cgraph_early_inlining): Do not iterate if not optimizing.
7086         (cgraph_gate_early_inlining): remove.
7087         (pass_early_inline): Run unconditionally.
7088         (gate_cgraph_decide_inlining): New function.
7089         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
7090         not inlining or optimizing.
7091         (cgraph_decide_inlining_of_small_functions): Also consider
7092         always-inline functions.
7093         (cgraph_default_inline_p): Return true for nodes which should
7094         disregard inline limits.
7095         (estimate_function_body_sizes): Assume zero size and time for
7096         nodes which are marked as disregarding inline limits.
7097         (cgraph_decide_recursive_inlining): Do not perform recursive
7098         inlining on always-inline nodes.
7099
7100 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
7101
7102         PR bootstrap/43699
7103         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
7104         for exprs satisfying handled_component_p.
7105
7106 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
7107
7108         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
7109         non-constant aggregate elements.
7110
7111         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
7112         is a real initialization.
7113
7114 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
7115
7116         PR c/36774
7117         * c-decl.c (start_function): Move forward check for nested function.
7118
7119 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
7120
7121         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
7122         * config/sh/sh.c: Include reload.h.
7123         (sh_legitimize_reload_address): New.
7124         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
7125         sh_legitimize_reload_address.
7126
7127 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
7128
7129         * config/sh/sh.md (*movqi_pop): New insn pattern.
7130         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
7131
7132 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
7133
7134         * config/i386/i386.md (any_shiftrt): New code iterator.
7135         (shiftrt_insn): New code attribute.
7136         (shiftrt): Ditto.
7137         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
7138         using any_shiftrt code iterator.
7139         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
7140         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
7141         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
7142         pattern from corresponding peephole2 patterns.
7143         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
7144         using any_shiftrt code iterator.
7145         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
7146         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
7147         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
7148         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
7149         *{ashr,lshr}<mode>3_cmp_zext.
7150         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
7151
7152 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
7153
7154         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
7155         scratch register.
7156         (*lshr<mode>3_cconly): Ditto.
7157
7158 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
7159
7160         * config/i386/i386.md (lshr<mode>3): Macroize expander from
7161         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
7162         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
7163         pattern from *lshr{di,ti}3_1 and corresponding splitters using
7164         DWI mode iterator.
7165         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
7166         from corresponding peephole2 patterns.
7167         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
7168         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
7169         and *lshrdi3_1_rex64 using SWI mode iterator.
7170         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
7171         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
7172         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
7173         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
7174         and *lshrdi3_cmp_rex64 using SWI mode iterator.
7175         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
7176         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
7177         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
7178         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
7179         SWI mode iterator.
7180
7181 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
7182
7183         * config/i386/i386.md (ashr<mode>3): Macroize expander from
7184         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
7185         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
7186         pattern from *ashr{di,ti}3_1 and corresponding splitters using
7187         DWI mode iterator.
7188         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
7189         from corresponding peephole2 patterns.
7190         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
7191         (ashrsi3_cvt): Rename from ashrsi3_31.
7192         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
7193         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
7194         and x86_64_shift_adj_3 using SWI48 mode iterator.
7195         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
7196         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
7197         and *ashrdi3_1_rex64 using SWI mode iterator.
7198         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
7199         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
7200         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
7201         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
7202         and *ashrdi3_cmp_rex64 using SWI mode iterator.
7203         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
7204         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
7205         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
7206         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
7207         SWI mode iterator.
7208         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
7209         * config/i386/i386.c (ix86_split_ashr): Update for renamed
7210         x86_shift<mode>_adj_3 expanders.
7211
7212 2010-04-10  Wei Guozhi  <carrot@google.com>
7213
7214         PR target/42601
7215         * config/arm/arm.c (arm_pic_static_addr): New function.
7216         (legitimize_pic_address): Call arm_pic_static_addr when it detects
7217         a static symbol.
7218         (arm_output_addr_const_extra): Output expression for new pattern.
7219         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
7220
7221 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
7222
7223         * ira-costs.c (record_reg_classes): Ignore alternatives that are
7224         not enabled.
7225
7226         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
7227         * web.c: Include "insn-config.h" and "recog.h".
7228         (union_match_dups): New function.
7229         (web_main): Call it.
7230         (union_defs): Don't try to recognize match_dups.
7231
7232         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
7233         if doing so would replace the entire pattern.
7234
7235 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
7236
7237         PR target/43707
7238         PR target/43709
7239         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
7240         and splitter pattern.  Change splitter operand 1 predicate to
7241         nonmemory_operand.
7242
7243 2010-04-09  Martin Jambor  <mjambor@suse.cz>
7244
7245         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
7246         lattices are addresses of CONST_DECLs with the same initial value.
7247         (ipcp_print_all_lattices): Print values of CONST_DECLs.
7248         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
7249
7250 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
7251             Bernd Schmidt  <bernds@codesourcery.com>
7252
7253         * loop-invariant.c (replace_uses): New static function.
7254         (move_invariant_reg): Use it to ensure we can replace the uses.
7255
7256 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
7257
7258         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
7259         function template.
7260         (picochip_override_options): Enable section anchors only above -O1.
7261         (picochip_reorg): Fixed a couple of build warnings.
7262
7263 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7264
7265         * configure.ac (plugin -rdynamic test): Log result.
7266         * configure: Regenerate.
7267         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
7268         (RDYNAMIC_SPEC): Define.
7269         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
7270
7271 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7272
7273         * configure.ac: Determine Sun ld version numbers.
7274         (comdat_group): Restrict GNU ld version checks to gld.
7275         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
7276         (enable_comdat): Support --enable-comdat.
7277         * configure: Regenerate.
7278         * doc/install.texi (Configuration): Document --enable-comdat.
7279
7280 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7281
7282         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
7283         * config/sol2-gld.h: ... here.
7284         * config.gcc (sparc*-*-solaris2*): Reflect this.
7285         (i[34567]86-*-solaris2*): Use it.
7286
7287 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
7288
7289         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
7290         setup_clocks_p.
7291         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
7292
7293 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7294
7295         PR 42965
7296         * diagnostic.c (diagnostic_initialize): Initialize
7297         some_warnings_are_errors.
7298         (diagnostic_finish): New.
7299         (diagnostic_action_after_output): Call it before exiting.
7300         (diagnostic_report_diagnostic): Do not print message here. Set
7301         some_warnings_are_errors.
7302         * diagnostic.h (diagnostic_context): Delete
7303         issue_warnings_are_errors_message. Add some_warnings_are_errors.
7304         (diagnostic_finish): Declare.
7305         * toplev.c (toplev_main): Call it before exit.
7306
7307 2010-04-09  Jason Merrill  <jason@redhat.com>
7308
7309         PR c++/42623
7310         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
7311         for incomplete type.
7312
7313         PR c++/41788
7314         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
7315         based on a warning flag.
7316
7317 2010-04-09  Richard Guenther  <rguenther@suse.de>
7318
7319         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
7320
7321 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
7322
7323         PR bootstrap/43684
7324         * varasm.c (default_assemble_visibility): Wrap vars that are
7325         set, but unused, by targets without GAS.
7326         * config/rs6000/rs6000.c (paired_emit_vector_compare):
7327         Remove set, but unused, vars.
7328         (rs6000_legitimize_tls_address): Likewise.
7329         (altivec_expand_dst_builtin): Likewise.
7330         * config/darwin.c (machopic_classify_symbol): Likewise.
7331         (machopic_indirection_name): Likewise.
7332
7333 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
7334
7335         * config/i386/i386.md (DWI): New mode iterator.
7336         (S): New mode attribute.
7337         (shift_operand): Ditto.
7338         (shift_immediate_operand): Ditto.
7339         (ashl_input_operand): Ditto.
7340         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
7341         using SDWIM mode iterator.
7342         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
7343         pattern from *ashl{di,ti}3_1 and corresponding splitters using
7344         DWI mode iterator.
7345         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
7346         from corresponding peephole2 patterns.
7347         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
7348         and x86_64_shift_adj_1 using SWI48 mode iterator.
7349         (x86_shift<mode>_adj_2): Ditto.
7350         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
7351         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
7352         using SWI48 mode iterator.
7353         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
7354         *ashldi3_cmp_rex64 using SWI mode iterator.
7355         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
7356         *ashldi3_cconly_rex64 using SWI mode iterator.
7357         * config/i386/i386.c (ix86_split_ashl): Update for renamed
7358         x86_shift<mode>_adj_{1,2}.
7359         (ix86_split_ashr): Ditto.
7360         (ix86_split_lshr): Ditto.
7361
7362 2010-04-09  Richard Guenther  <rguenther@suse.de>
7363
7364         * target.h (builtin_conversion): Pass in input and output types.
7365         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
7366         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
7367         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
7368         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
7369
7370         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
7371         Handle AVX modes.
7372         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
7373
7374 2010-04-09  Richard Guenther  <rguenther@suse.de>
7375
7376         PR target/43152
7377         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
7378
7379 2010-04-09  Richard Guenther  <rguenther@suse.de>
7380
7381         * tree-vectorizer.h (struct _stmt_vec_info): Document
7382         that vectype is the type of the LHS.
7383         (supportable_widening_operation, supportable_narrowing_operation):
7384         Get both input and output vector types as arguments.
7385         (vect_is_simple_use_1): Declare.
7386         (get_same_sized_vectype): Likewise.
7387         * tree-vect-loop.c (vect_determine_vectorization_factor):
7388         Set STMT_VINFO_VECTYPE to the vector type of the def.
7389         (vectorizable_reduction): Adjust.
7390         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
7391         Adjust.  Specify the output vector type.
7392         (vect_pattern_recog_1): Adjust.
7393         * tree-vect-stmts.c (get_same_sized_vectype): New function.
7394         (vectorizable_call): Adjust.
7395         (vectorizable_conversion): Likewise.
7396         (vectorizable_operation): Likewise.
7397         (vectorizable_type_demotion): Likewise.
7398         (vectorizable_type_promotion): Likewise.
7399         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
7400         the def.
7401         (vect_is_simple_use_1): New function.
7402         (supportable_widening_operation): Get both input and output
7403         vector types.
7404         (supportable_narrowing_operation): Likewise.
7405         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
7406
7407 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
7408
7409         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
7410         __thiscall and _thiscall as predefined macros.
7411         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
7412         thiscall attribute handling.
7413         (ix86_comp_type_attributes): Likewise.
7414         (ix86_function_regparm): Likewise.
7415         (ix86_return_pops_args): Likewise.
7416         (init_cumulative_args): Likewise.
7417         (find_drap_reg): Likewise.
7418         (ix86_static_chain): Likewise.
7419         (x86_this_parameter): Likewise.
7420         (x86_output_mi_thunk): Likewise.
7421         (ix86_attribute_table): Add description for thiscall attribute.
7422         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
7423         * doc/extend.texi: Add documentation for thiscall.
7424
7425 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7426
7427         PR c++/28584
7428         * c.opt (Wint-to-pointer-cast): Available in C++.
7429         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
7430
7431 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
7432
7433         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
7434         * calls.c (expand_call): Pass the function type to aggregate_value_p.
7435         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
7436         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
7437         function type instead.  Reorder and simplify checks.
7438
7439         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
7440
7441 2010-04-08  Jing Yu  <jingyu@google.com>
7442             Zdenek Dvorak  <ook@ucw.cz>
7443
7444         PR tree-optimization/42720
7445         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
7446         loop unswitch conditions here from ...
7447         (tree_unswitch_single_loop): ... here.
7448
7449 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
7450
7451         * tree-if-conv.c: Fix comments and simplify logic.
7452
7453 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
7454
7455         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
7456         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
7457         (main_tree_if_conversion): Update call to tree_if_conversion.
7458
7459 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7460
7461         PR 42485
7462         * doc/invoke.texi (-b,-V): Delete.
7463         * doc/tm.texi: Do not mention -b.
7464         * gcc.c (display_help): Delete -b and -V.
7465         (process_command): Delete -b and -V.
7466         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
7467
7468 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
7469             Wolfgang Gellerich  <gellerich@de.ibm.com>
7470
7471         Implement target hook for loop unrolling
7472         * target.h (loop_unroll_adjust): Add a new target hook function.
7473         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
7474         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
7475         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
7476         (s390_loop_unroll_adjust): Implement the new target hook for s390.
7477         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
7478         target hook.
7479         (decide_unroll_stupid): Likewise.
7480
7481 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7482
7483         PR target/43643
7484         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
7485
7486 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7487
7488         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
7489         (Specific, *-*-solaris2*): Likewise.
7490         Don't prefer Sun as over GNU as.
7491
7492 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
7493
7494         * config/s390/s390.c (override_options): Adjust the z10 defaults
7495         for max-unroll-times, max-completely-peeled-insns
7496         and max-completely-peel-times.
7497
7498 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7499
7500         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
7501         instructions for z10.
7502         (s390_expand_setmem): Likewise.
7503         (s390_expand_cmpmem): Likewise.
7504
7505 2010-04-08  Richard Guenther  <rguenther@suse.de>
7506
7507         PR tree-optimization/43679
7508         * tree-ssa-pre.c (eliminate): Only propagate copies.
7509
7510 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
7511
7512         PR bootstrap/43681
7513         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
7514         set but not used variable warning.
7515
7516 2010-04-08  Wei Guozhi  <carrot@google.com>
7517
7518         PR target/41653
7519         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
7520         (arm_size_rtx_costs): Call the new function when optimized for size.
7521
7522 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
7523
7524         PR debug/43670
7525         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
7526         op0 is not a MEM, just return NULL instead of assertion
7527         failure.
7528         (discover_nonconstant_array_refs): Don't walk debug stmts.
7529
7530 2010-04-08  Doug Kwan  <dougkwan@google.com>
7531
7532         * configure.ac: Recognize gold and do not use its version number
7533         to test ld features.
7534         * configure: Regenerate.
7535
7536 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
7537
7538         PR middle-end/40815
7539         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
7540         (negate_value): Move code to push elements to broken_up_substracts ...
7541         (eliminate_plus_minus_pair): ... here.  Push operands that have no
7542         negative pair to plus_negates.
7543         (repropagate_negates, init_reassoc, fini_reassoc): Update.
7544
7545 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7546
7547         * doc/install.texi (Configuration): Move description of
7548         --enable-lto, --with-libelf*, --enable-gold from Java section to
7549         general section.
7550
7551         * doc/generic.texi (Working with declarations)
7552         (Function Properties, C and C++ Trees): Fix typos.
7553         * doc/sourcebuild.texi (Top Level): Likewise.
7554
7555 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
7556
7557         PR c/18624
7558         * tree.h (DECL_READ_P): Define.
7559         (struct tree_decl_common): Add decl_read_flag.
7560         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
7561         a set but not used warning.
7562         (merge_decls): Merge DECL_READ_P flag.
7563         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
7564         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
7565         * c-common.c (handle_used_attribute, handle_unused_attribute):
7566         Likewise.
7567         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
7568         New prototypes.
7569         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
7570         New functions.
7571         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
7572         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
7573         c_parser_binary_expression, c_parser_cast_expression,
7574         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
7575         Call default_function_array_read_conversion instead of
7576         default_function_array_conversion where needed.
7577         (c_parser_unary_expression, c_parser_conditional_expression,
7578         c_parser_postfix_expression_after_primary, c_parser_initelt):
7579         Likewise.  Call mark_exp_read where needed.
7580         (c_parser_statement_after_labels, c_parser_asm_operands,
7581         c_parser_typeof_specifier, c_parser_sizeof_expression,
7582         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
7583         where needed.
7584         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
7585         New.
7586         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
7587         (warn_unused_but_set_parameter): Default to warn_unused
7588         && extra_warnings.
7589         * doc/invoke.texi: Document -Wunused-but-set-variable and
7590         -Wunused-but-set-parameter.
7591
7592         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
7593         used count variable.
7594         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
7595         when operandN variables aren't used in the body of the expander
7596         or splitter.
7597         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
7598         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
7599         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
7600         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
7601         FOR_EACH_IMM_USE_ON_STMT): Likewise.
7602         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
7603         * tree.c (PROCESS_ARG): Likewise.
7604
7605 2010-04-07  Simon Baldwin  <simonb@google.com>
7606
7607         * diagnostic.h (diagnostic_override_option_index): New macro to
7608         set a diagnostic's option_index.
7609         * c-tree.h (c_cpp_error): Add warning reason argument.
7610         * opts.c (_warning_as_error_callback): New.
7611         (register_warning_as_error_callback): Store callback for
7612         warnings enabled via enable_warning_as_error.
7613         (enable_warning_as_error): Call callback, minor code tidy.
7614         * opts.h (register_warning_as_error_callback): Declare.
7615         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
7616         response to -Werror=.
7617         (c_common_init_options): Register warning_as_error_callback in opts.c.
7618         * common.opt: Add -Wno-cpp option.
7619         * c-common.c (struct reason_option_codes_t): Map cpp warning
7620         reason codes to gcc option indexes.
7621         * (c_option_controlling_cpp_error): New function, lookup the gcc
7622         option index for a cpp warning reason code.
7623         * (c_cpp_error): Add warning reason argument, call
7624         c_option_controlling_cpp_error for diagnostic_override_option_index.
7625         * doc/invoke.texi: Document -Wno-cpp.
7626
7627 2010-04-07  Richard Guenther  <rguenther@suse.de>
7628
7629         * ipa-reference.c (mark_load): Use get_base_address.
7630         (mark_store): Likewise.
7631
7632         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
7633         inserting GIMPLE_NOPs into the IL.
7634         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7635         Explicitly strip handled components and indirect references.
7636
7637         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
7638         folding address expressions.
7639         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
7640         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
7641         operand_equal_p to compare decls.
7642         (ptr_deref_may_alias_decl_p): Likewise.
7643         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
7644         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
7645         Handle reversed comparison ops.
7646         * tree-sra.c (asm_visit_addr): Use get_base_address.
7647         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
7648         * ipa-reference.c (mark_address): Use get_base_address.
7649
7650 2010-04-07  Richard Guenther  <rguenther@suse.de>
7651
7652         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
7653         Propagate constants everywhere.
7654
7655 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
7656
7657         PR debug/43516
7658         * tree.c (MAX_INT_CACHED_PREC): Define.
7659         (nonstandard_integer_type_cache): New array.
7660         (build_nonstandard_integer_type): Cache results for precision
7661         <= MAX_INT_CACHED_PREC.
7662
7663 2010-04-07  Richard Guenther  <rguenther@suse.de>
7664
7665         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
7666         -fargument-noalias-global, -fargument-noalias-anything): Remove.
7667         * common.opt: Likewise.
7668         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
7669         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
7670         (nonoverlapping_memrefs_p): Likewise.
7671         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7672         * opts.c (common_handle_option): Handle OPT_fargument_alias,
7673         OPT_fargument_noalias, OPT_fargument_noalias_anything and
7674         OPT_fargument_noalias_global for backward compatibility.
7675
7676 2010-04-07  Richard Guenther  <rguenther@suse.de>
7677
7678         PR tree-optimization/43270
7679         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
7680         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
7681         * tree-ssa-pre.c (phi_translate_1): Adjust.
7682         (fully_constant_expression): Split out vn_reference handling to ...
7683         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
7684         Fold reads from constant strings.
7685         (vn_reference_lookup): Handle fully constant references.
7686         (vn_reference_lookup_pieces): Likewise.
7687         * Makefile.in (expmed.o-warn): Add -Wno-error.
7688
7689 2010-04-07  Martin Jambor  <mjambor@suse.cz>
7690
7691         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
7692
7693 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
7694
7695         PR driver/41594
7696         * gcc.c: Add -static-libstdc++ to list of recognized options.
7697
7698 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7699
7700         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
7701
7702 2010-04-07  Richard Guenther  <rguenther@suse.de>
7703
7704         PR middle-end/42617
7705         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
7706         bases build simple mem attributes to retain points-to information.
7707
7708 2010-04-07  Richard Guenther  <rguenther@suse.de>
7709
7710         PR middle-end/42617
7711         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
7712         preserve points-to related information.
7713
7714 2010-04-07  Richard Guenther  <rguenther@suse.de>
7715
7716         PR middle-end/42617
7717         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
7718         discard plain indirect references.
7719         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
7720         * tree.c (tree_nop_conversion): Likewise.
7721
7722 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
7723
7724         PR debug/43628
7725         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
7726
7727 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
7728
7729         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
7730         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
7731
7732 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7733
7734         * tree-if-conv.c: Fix indentation and comments.
7735
7736 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7737
7738         * tree-if-conv.c: Sort static functions in topological order.
7739
7740 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7741
7742         * tree-if-conv.c: Fix indentation and comments.
7743
7744 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
7745
7746         PR middle-end/43519
7747         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
7748         lang_hooks.types.type_for_size instead of
7749         build_nonstandard_integer_type.
7750         When converting an unsigned type to signed, double its precision.
7751         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
7752         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
7753         (graphite_create_new_loop_guard): When ub + 1 wraps around,
7754         use lb <= ub.
7755
7756 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
7757
7758         PR middle-end/43519
7759         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
7760         POINTER_PLUS_EXPR for pointer types.
7761
7762 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
7763
7764         PR middle-end/43519
7765         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
7766         * graphite-clast-to-gimple.c: Include langhooks.h.
7767         (max_signed_precision_type): New.
7768         (max_precision_type): Takes two types as arguments.
7769         (precision_for_value): New.
7770         (precision_for_interval): New.
7771         (gcc_type_for_interval): New.
7772         (gcc_type_for_value): New.
7773         (gcc_type_for_clast_term): New.
7774         (gcc_type_for_clast_red): New.
7775         (gcc_type_for_clast_bin): New.
7776         (gcc_type_for_clast_expr): Split up into several functions.
7777         (gcc_type_for_clast_eq): Rewritten.
7778         (compute_bounds_for_level): New.
7779         (compute_type_for_level_1): New.
7780         (compute_type_for_level): New.
7781         (gcc_type_for_cloog_iv): Removed.
7782         (gcc_type_for_iv_of_clast_loop): Rewritten.
7783         (graphite_create_new_loop): Compute the lower and upper bound types
7784         with gcc_type_for_clast_expr.
7785         (graphite_create_new_loop_guard): Same.
7786         (find_cloog_iv_in_expr): Removed.
7787         (compute_cloog_iv_types_1): Removed.
7788         (compute_cloog_iv_types): Removed.
7789         (gloog): Do not call compute_cloog_iv_types.
7790         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
7791         GBB_CLOOG_IV_TYPES.
7792         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
7793         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
7794         (GBB_CLOOG_IV_TYPES): Removed.
7795
7796 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
7797
7798         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
7799         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
7800         (detect_commutative_reduction): Same.
7801
7802 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
7803
7804         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
7805         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
7806         argument.
7807         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
7808         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
7809         (rewrite_commutative_reductions_out_of_ssa): Same.
7810         * passes.c (execute_function_todo): Call verify_ssa for every pass
7811         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
7812         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
7813         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
7814         with an extra argument.
7815         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
7816         verify_ssa only when the extra argument is true.
7817         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
7818         with an extra argument.
7819         (tree_transform_and_unroll_loop): Same.
7820
7821 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
7822
7823         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
7824         for all the passes of the LNO having LOOP_CLOSED_SSA.
7825         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
7826         * tree-loop-distribution.c (pass_loop_distribution): Same.
7827         * tree-pass.h (TODO_verify_loops): Removed.
7828         * tree-ssa-loop.c (pass_tree_loop_init): Same.
7829         (pass_lim): Same.
7830         (pass_tree_unswitch): Same.
7831         (pass_predcom): Same.
7832         (pass_vectorize): Same.
7833         (pass_linear_transform): Same.
7834         (pass_graphite_transforms): Same.
7835         (pass_iv_canon): Same.
7836         (pass_complete_unroll): Same.
7837         (pass_complete_unrolli): Same.
7838         (pass_parallelize_loops): Same.
7839         (pass_loop_prefetch): Same.
7840         (pass_iv_optimize): Same.
7841
7842 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
7843
7844         PR middle-end/32824
7845         * passes.c (init_optimization_passes): Move pass_lim before
7846         pass_copy_prop and pass_dce_loop.
7847
7848 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
7849
7850         PR target/43667
7851         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
7852         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
7853         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
7854         MULTI_* defines for 4 argument vpermil2p* builtins.
7855
7856 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
7857
7858         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
7859         * config/i386/i386.c (x86_maybe_negate_const_int): New.
7860         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
7861         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
7862         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
7863         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
7864         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
7865         Use x86_maybe_negate_const_int to output insn mnemonic.
7866         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
7867         check from instruction predicate.  Update comments.
7868         * config/i386/sync.md (sync_add<mode>): Use
7869         x86_maybe_negate_const_int to output insn mnemonic.
7870
7871 2010-04-06  Jan Hubicka  <jh@suse.cz>
7872
7873         PR tree-optimization/42906
7874         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
7875         IGNORE_SELF argument.  Set visited_control_parents for fully
7876         processed BBs.
7877         (find_obviously_necessary_stmts): Update call of
7878         mark_control_dependent_edges_necessary.
7879         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
7880
7881 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
7882
7883         * config/i386/i386.md: Remove comment about 'e' and 'E'
7884         operand modifier.
7885
7886 2010-04-06  Richard Guenther  <rguenther@suse.de>
7887
7888         PR tree-optimization/43627
7889         * tree-vrp.c (extract_range_from_unary_expr): Widenings
7890         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
7891         not varying.
7892
7893 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
7894
7895         * BASE-VER: Change to 4.6.0.
7896
7897         PR target/43638
7898         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
7899         handling.
7900
7901 2010-04-06  Richard Guenther  <rguenther@suse.de>
7902
7903         PR middle-end/43661
7904         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
7905
7906 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7907
7908         * doc/invoke.texi (Optimize Options): Document that LTO
7909         won't remove object access purely due to incompatible
7910         declarations.
7911
7912 2010-04-04  Matthias Klose  <doko@ubuntu.com>
7913
7914         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
7915         Initialize variable.
7916
7917 2010-04-03  Richard Guenther  <rguenther@suse.de>
7918
7919         PR middle-end/42509
7920         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
7921         require a non-NULL MEM_OFFSET.
7922
7923 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
7924
7925         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
7926         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
7927         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
7928         config/alpha/predicates.md, config/arm/arm.md,
7929         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
7930         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
7931         config/darwin9.h, config/darwin.c, config/darwin.h,
7932         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
7933         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
7934         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
7935         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
7936         config/mips/mips.md, config/mn10300/mn10300.c,
7937         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
7938         config/rs6000/aix.h, config/rs6000/dfp.md,
7939         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
7940         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
7941         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
7942         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
7943         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
7944         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
7945         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
7946         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
7947         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
7948         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
7949         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
7950         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
7951         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
7952         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
7953         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
7954         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
7955         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
7956         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
7957         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
7958         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
7959         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
7960         opt-functions.awk, opth-gen.awk, params.def, passes.c,
7961         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
7962         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
7963         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
7964         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
7965         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
7966         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
7967         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
7968         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
7969         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
7970         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
7971         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
7972         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
7973         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
7974         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
7975
7976 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7977
7978         PR other/43620
7979         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
7980         * aclocal.m4: Regenerate.
7981
7982 2010-04-02  Richard Guenther  <rguenther@suse.de>
7983
7984         PR tree-optimization/43629
7985         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
7986         if we have seen a constant value.
7987
7988 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
7989
7990         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
7991
7992 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
7993
7994         PR target/43469
7995         * arm.c (legitimize_tls_address): Adjust call to
7996         gen_tls_load_dot_plus_four.
7997         (arm_note_pic_base): New function.
7998         (arm_cannot_copy_insn_p): Use it.
7999         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
8000         constraint.
8001
8002 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8003
8004         PR bootstrap/43531
8005
8006         Revert:
8007         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8008
8009         * Makefile.in ($(out_object_file)): Depend on
8010         gt-$(basename $(notdir $(out_file))).h.
8011
8012 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
8013
8014         * config.gcc (lm32-*-rtems*): Add t-lm32.
8015
8016 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
8017
8018         * config.gcc: Add lm32-*-rtems*.
8019         * config/lm32/rtems.h: New file.
8020
8021 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
8022
8023         PR target/42609
8024         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
8025
8026 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
8027
8028         * dwarf2out.c (output_compilation_unit_header): For
8029         -gdwarf-4 use version 4 instead of version 3.
8030         (output_line_info): For version 4 and above emit additional
8031         maximum ops per insn header field.
8032         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
8033
8034         * dwarf2out.c (is_c_family, is_java): Remove.
8035         (lower_bound_default): New function.
8036         (add_bound_info, gen_descr_array_type_die): Use it.
8037
8038 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
8039
8040         PR debug/43325
8041         * dwarf2out.c (gen_variable_die): Allow debug info for variable
8042         re-declaration when it happens in a function.
8043
8044 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
8045
8046         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
8047         (cgraph_remove_function_insertion_hook): Same.
8048         (cgraph_call_function_insertion_hooks): Same.
8049
8050 2010-04-01  Richard Guenther  <rguenther@suse.de>
8051
8052         PR middle-end/43614
8053         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
8054         and TREE_THIS_VOLATILE.
8055         (copy_ref_info): Likewise.
8056         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
8057         * tree.c (build6_stat): Ignore side-effects of all but arg5
8058         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
8059         TARGET_MEM_REF.
8060
8061 2010-04-01  Richard Guenther  <rguenther@suse.de>
8062
8063         PR tree-optimization/43607
8064         * ipa-type-escape.c (check_call): Do not access non-existing
8065         arguments.
8066
8067 2010-04-01  Richard Guenther  <rguenther@suse.de>
8068
8069         PR middle-end/43602
8070         Revert
8071         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
8072                     Jack Howarth <howarth@bromo.med.uc.edu>
8073
8074         * tree-profile.c (tree_init_ic_make_global_vars): Make static
8075         variables TLS.
8076
8077 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8078
8079         * doc/install.texi (Prerequisites): Document libelf usability on
8080         IRIX 5/6 and Solaris 2.
8081         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
8082         Update GNU as, GNU ld requirements.
8083         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
8084         Document Sun Studio compiler download.
8085         Update and simplify as, ld recommendations.
8086         (Specific, *-*-solaris2.7): Note obsoletion, removal.
8087
8088 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8089
8090         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
8091         with_tune_32 to pentium4.
8092
8093 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
8094
8095         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
8096
8097 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8098
8099         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
8100         obsoletion, removal.
8101         Update IDO URL.
8102         Document GNU as requirement.
8103         Update configure requirements.
8104         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
8105         Recomment IRIX 6.5.18+.
8106         Document IDF/IDL requirement.
8107         Document GNU as requirement.
8108         Document GNU ld bootstrap failure.
8109         Remove freeware.sgi.com reference.
8110
8111 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8112
8113         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
8114         UNIX V4.0, V5.0 obsoletion, removal.
8115         Remove --with-gc=simple reference.
8116         Update VM requirements during bootstrap.
8117         Remove -oldas bootstrap description.
8118         Update binutils reference.
8119         Remove comparison failure note.
8120
8121 2010-03-31  Richard Guenther  <rguenther@suse.de>
8122             Zdenek Dvorak  <ook@ucw.cz>
8123             Sebastian Pop  <sebastian.pop@amd.com>
8124
8125         PR middle-end/43464
8126         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
8127         with multiple arguments.
8128         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
8129
8130 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
8131
8132         * graphite-dependences.c (print_pddr): Call print_pdr with an
8133         extra argument.
8134         * graphite-poly.c (debug_pdr): Add an extra argument for the
8135         verbosity level.
8136         (print_pdr): Same.
8137         (print_pbb_domain): Same.
8138         (print_pbb): Same.
8139         (print_scop_context): Same.
8140         (print_scop): Same.
8141         (print_cloog): Same.
8142         (debug_pbb_domain): Same.
8143         (debug_pbb): Same.
8144         (print_pdrs): Same.
8145         (debug_pdrs): Same.
8146         (debug_scop_context): Same.
8147         (debug_scop): Same.
8148         (debug_cloog): Same.
8149         (print_scop_params): Same.
8150         (debug_scop_params): Same.
8151         (print_iteration_domain): Same.
8152         (print_iteration_domains): Same.
8153         (debug_iteration_domain): Same.
8154         (debug_iteration_domains): Same.
8155         (print_scattering_function): Same.
8156         (print_scattering_functions): Same.
8157         (debug_scattering_function): Same.
8158         (debug_scattering_functions): Same.
8159         * graphite-poly.h (debug_pdr): Update declaration.
8160         (print_pdr): Same.
8161         (print_pbb_domain): Same.
8162         (print_pbb): Same.
8163         (print_scop_context): Same.
8164         (print_scop): Same.
8165         (print_cloog): Same.
8166         (debug_pbb_domain): Same.
8167         (debug_pbb): Same.
8168         (print_pdrs): Same.
8169         (debug_pdrs): Same.
8170         (debug_scop_context): Same.
8171         (debug_scop): Same.
8172         (debug_cloog): Same.
8173         (print_scop_params): Same.
8174         (debug_scop_params): Same.
8175         (print_iteration_domain): Same.
8176         (print_iteration_domains): Same.
8177         (debug_iteration_domain): Same.
8178         (debug_iteration_domains): Same.
8179         (print_scattering_function): Same.
8180         (print_scattering_functions): Same.
8181         (debug_scattering_function): Same.
8182         (debug_scattering_functions): Same.
8183
8184 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
8185
8186         * graphite-poly.c (print_scattering_function_1): New.
8187         (print_scattering_function): Call it.
8188         (print_scop_params): Remove spaces at the end of lines.
8189         (print_cloog): New.
8190         (debug_cloog): New.
8191         * graphite-poly.h (print_cloog): Declared.
8192         (debug_cloog): Declared.
8193
8194 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
8195
8196         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
8197         in loop->header.
8198         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
8199         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
8200         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
8201         to switch between adding the IV bump in loop->latch or in loop->header.
8202
8203 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
8204
8205         * graphite-poly.c (print_scattering_function): Pretty print following
8206         the scoplib format.
8207         (print_pdr): Same.
8208         (print_pbb_domain): Same.
8209         (dump_gbb_cases): Same.
8210         (dump_gbb_conditions): Same.
8211         (print_pdrs): Same.
8212         (print_pbb): Same.
8213         (print_scop_params): Same.
8214         (print_scop_context): Same.
8215         (print_scop): Same.
8216         (print_pbb_body): New.
8217         (lst_indent_to): New.
8218         (print_lst): Start new lines with a #.
8219         * graphite-poly.h (pbb_bb): New.
8220         (pbb_index): Use pbb_bb.
8221         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
8222         disjuncts.
8223         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
8224
8225 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
8226
8227         * dwarf2out.c (size_of_die): For -gdwarf-4 use
8228         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
8229         and 0 instead of 1 for dw_val_class_flag.
8230         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
8231         dw_val_class_range_list, dw_val_class_loc_list,
8232         dw_val_class_lineptr and dw_val_class_macptr, use
8233         DW_FORM_flag_present for dw_val_class_flag and
8234         DW_FORM_exprloc for dw_val_class_loc.
8235         (output_die): For -gdwarf-4 print dw_val_class_loc
8236         size as uleb128 instead of 1 or 2 bytes and don't print
8237         anything for dw_val_class_flag.
8238
8239         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
8240         instead of cselib_lookup following by tweaking locs->setting_insn.
8241
8242         PR bootstrap/43596
8243         * cselib.c (cselib_process_insn): Clear cselib_current_insn
8244         even before returning from label, setjmp call or volatile asm
8245         handling.
8246
8247 2010-03-31  Richard Guenther  <rguenther@suse.de>
8248
8249         PR middle-end/43600
8250         * cgraphunit.c (cgraph_output_in_order): Do not allocate
8251         temporary data on stack.
8252
8253 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8254
8255         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
8256         (PUSHSECTION_ASM_OP): Remove.
8257         (POPSECTION_ASM_OP): Remove.
8258         (PUSHSECTION_FORMAT): Remove.
8259         * config/sol2.h (PUSHSECTION_FORMAT): Define.
8260         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
8261         * config/sol2.c (solaris_output_init_fini): Use it.
8262
8263 2010-03-31  Jie Zhang  <jie@codesourcery.com>
8264
8265         PR 43574
8266         * opt-functions.awk (var_type_struct): Use signed char type
8267         for simple variables.
8268
8269 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8270
8271         * config/sol2.c: Include output.h.
8272         (solaris_assemble_visibility): New function.
8273         * config/t-sol2 (sol2.o): Add output.h dependency.
8274         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
8275         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
8276         Redefine.
8277
8278 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
8279
8280         PR target/43580
8281         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
8282         V2SImode or XFmode on PRE_DEC.
8283
8284         PR debug/43557
8285         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
8286         BLKmode.
8287
8288 2010-03-31  Jie Zhang  <jie@codesourcery.com>
8289
8290         PR 43562
8291         * reload.h (caller_save_initialized_p): Declare.
8292         * toplev.c (backend_init_target): Don't call
8293         init_caller_save but set caller_save_initialized_p to false.
8294         * caller-save.c (caller_save_initialized_p): Define.
8295         (init_caller_save): Check caller_save_initialized_p.
8296         * ira.c (ira): Call init_caller_save if flag_caller_saves.
8297
8298 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8299
8300         PR target/39048
8301         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
8302         and soft-fp/t-softfp to tmake_file.
8303         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
8304         (LIBGCC2_TF_CEXT): Define.
8305         (TF_SIZE): Define.
8306
8307 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
8308
8309         PR debug/42977
8310         * cselib.c (n_useless_values): Document handling of debug locs.
8311         (n_useless_debug_values, n_debug_values): New variables.
8312         (new_elt_loc_list): Don't add to debug values, keep count.
8313         (promote_debug_loc): New.
8314         (cselib_reset_table): Zero new variables.
8315         (entry_and_rtx_equal_p): Promote debug locs.
8316         (discard_useless_locs): Increment n_useless_debug_values for
8317         debug values.
8318         (remove_useless_values): Adjust n_useless_values and n_debug_values
8319         with n_useless_debug_values.
8320         (add_mem_for_addr): Promote debug locs.
8321         (cselib_lookup_mem): Likewise.
8322         (cselib_lookup_addr): Renamed to...
8323         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
8324         (cselib_log_lookup): ... this.  Turn into...
8325         (cselib_lookup_addr): ... new wrapper.
8326         (cselib_lookup_from_insn): New.
8327         (cselib_invalidate_regno): Increment n_useless_debug_values for
8328         debug values.
8329         (cselib_invalidate_mem): Likewise.
8330         (cselib_process_insn): Take n_deleted and n_debug_values into
8331         account to guard remove_useless_value call.
8332         (cselib_finish): Zero n_useless_debug_values.
8333         * cselib.h (cselib_lookup_from_insn): Declare.
8334         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
8335         (sched_analyze_2): Likewise.
8336
8337 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
8338
8339         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
8340         functions.
8341         (adjust_mems): Replace narrowing SUBREG of expression containing
8342         just PLUS, MINUS, MULT and ASHIFT of registers and constants
8343         with operations in the narrower mode.
8344
8345         PR debug/43593
8346         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
8347         regs_invalidated_by_call instead all call_used_reg_set registers.
8348
8349 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8350
8351         PR middle-end/43430
8352         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
8353         pointer comparisons with types_compatible_p.
8354         * tree-vect-stmts.c (vectorizable_call): Same.
8355         (vectorizable_condition): Same.
8356
8357 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8358
8359         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
8360         stack check if the mask would be zero.
8361
8362 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
8363             Jack Howarth <howarth@bromo.med.uc.edu>
8364
8365         * tree-profile.c (tree_init_ic_make_global_vars): Make static
8366         variables TLS.
8367
8368 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
8369
8370         PR other/25232
8371         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
8372         and __unordtf2.
8373         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
8374         Include ___unordxf2 and ___unordtf2.
8375         * config/i386/libgcc-glibc.ver: Do not define inheritance from
8376         GCC_4.4.0 here.
8377
8378 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
8379
8380         * config/lm32/t-lm32: New file.
8381         * config.gcc: Use the above file when targetting lm32.
8382
8383 2010-03-28  Duncan Sands  <baldrick@free.fr>
8384
8385         * Makefile.in (PLUGIN_HEADERS): Add except.h.
8386
8387 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
8388
8389         PR middle-end/43431
8390         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
8391         Improve vectorization cost model diagnostic.
8392
8393 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
8394
8395         PR middle-end/43436
8396         * tree-vect-data-refs.c (vect_analyze_data_refs): When
8397         compute_data_dependences_for_loop returns false, early exit
8398         and output an extra diagnostic for the failed data reference
8399         analysis.
8400
8401 2010-03-29  Richard Guenther  <rguenther@suse.de>
8402
8403         PR tree-optimization/43560
8404         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
8405         (can_sm_ref_p): Treat stores to readonly locations as trapping.
8406
8407 2010-03-29  Jie Zhang  <jie@codesourcery.com>
8408
8409         PR 43564
8410         * toplev.c (process_options): Set optimization_default_node
8411         and optimization_current_node.
8412         * opts.c (decode_options): Don't set optimization_default_node
8413         and optimization_current_node.
8414
8415 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
8416
8417         * config/rtems.h: Abandon -qrtems_debug.
8418
8419 2010-03-28  Jan Hubicka  <jh@suse.cz>
8420
8421         PR tree-optimization/43505
8422         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
8423         map should not be copied.
8424
8425 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8426
8427         PR middle-end/41674
8428         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
8429         cdtors, set DECL_PRESERVE_P.
8430         * ipa.c (cgraph_externally_visible_p): Return true if declaration
8431         should be preseved.
8432
8433 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
8434
8435         PR tree-optimization/43528
8436         * stor-layout.c (place_field): Check that constant fits into
8437         unsigned HWI when skipping calculation of MS bitfield layout.
8438
8439 2010-03-27  Jan Hubicka  <jh@suse.cz>
8440
8441         PR middle-end/43391
8442         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
8443         notice_global_symbol work.
8444
8445 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
8446
8447         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
8448         instead of dwarf2out_decl.
8449         (struct var_loc_node): Remove section_label field.
8450         (dwarf2out_function_decl): New function.
8451         (dwarf2out_var_location): Don't set section_label field.
8452         (dwarf2out_begin_function): Don't empty decl_loc_table here.
8453
8454 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
8455
8456         PR tree-optimization/43544
8457         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
8458         First argument for builtin vectorized function hook is now a
8459         tree to be able to distinguish between machine specific and
8460         standard builtins.
8461         * targhooks.c (default_builtin_vectorized_function): Ditto.
8462         * targhooks.h (default_builtin_vectorized_function): Ditto.
8463         * target.h (struct gcc_target): Ditto.
8464         * tree-vect-stmts.c (vectorizable_function): Ditto.
8465         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
8466         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
8467         Ditto.
8468
8469 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
8470
8471         PR c/43381
8472         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
8473         nested binding iff it is a FUNCTION_DECL.
8474         (store_parm_decls_newstyle): Pass nested=true to bind for
8475         FUNCTION_DECLs amongst parameters.
8476
8477 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
8478
8479         * var-tracking.c (vt_expand_loc_callback): Don't run
8480         cselib_expand_value_rtx_cb in dummy mode if
8481         cselib_dummy_expand_value_rtx_cb returned false.
8482
8483         * var-tracking.c (emit_note_insn_var_location): For one part
8484         notes with offset 0, don't add EXPR_LIST around the location.
8485         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
8486         add_location_or_const_value_attribute): Adjust for that change.
8487
8488         PR debug/43540
8489         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
8490         into first operand and location into second.
8491         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
8492         dw_cfi_oprnd_loc for DW_CFA_expression.
8493         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
8494         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
8495         assume first argument is regnum and second argument is location.
8496
8497 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
8498
8499         PR target/42113
8500         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
8501         of scratch register to DImode.  Split to DImode comparison operator.
8502         Use SImode subreg of scratch register in the multiplication.
8503         (*cmp_sadd_sidi): Ditto.
8504         (*cmp_ssub_si): Ditto.
8505         (*cmp_ssub_sidi): Ditto.
8506
8507 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
8508
8509         PR target/43524
8510         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
8511         Remove invalid assert and wrong comment.
8512
8513 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
8514
8515         PR debug/43516
8516         * flags.h (final_insns_dump_p): New extern.
8517         * final.c (final_insns_dump_p): New variable.
8518         (rest_of_clean_state): Set it before -fdump-final-insns=
8519         dumping, clear afterwards.
8520         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
8521         MEM_ALIAS_SET on MEMs.
8522
8523 2010-03-26  David S. Miller  <davem@davemloft.net>
8524
8525         * configure.ac: Fix sparc GOTDATA_OP bug check.
8526         * configure: Rebuild.
8527
8528 2010-03-26  Alan Modra  <amodra@gmail.com>
8529
8530         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
8531
8532 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8533
8534         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
8535         TLS_SECTION_ASM_FLAG.
8536
8537 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
8538
8539         PR bootstrap/43511
8540         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
8541         Clear first_function_block_is_cold.
8542
8543         PR c/43385
8544         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
8545         argument if the argument is truth_value_p.
8546
8547 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
8548
8549         * config/rs6000/constraints.md: Update copyright year for my changes.
8550
8551         PR target/43484
8552         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
8553         used in reg+reg addressing, swap registers.
8554
8555 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
8556
8557         PR debug/43293
8558         * target.h (struct gcc_target): Add code_end hook.
8559         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
8560         if not yet defined.
8561         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
8562         * toplev.c (compile_file): Call targetm.asm_out.code_end
8563         hook before unwind info/debug info output.
8564         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
8565         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
8566         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
8567         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
8568         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
8569         * config/i386/i386.c (ix86_file_end): Renamed to...
8570         (ix86_code_end): ... this.  Make static.  Don't call
8571         file_end_indicate_exec_stack.  Emit unwind info using
8572         final_start_function/final_end_function.
8573         (darwin_x86_file_end): Remove.
8574         (TARGET_ASM_CODE_END): Define.
8575         * config/i386/i386.h (TARGET_ASM_FILE_END,
8576         NEED_INDICATE_EXEC_STACK): Don't define.
8577         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
8578         (TARGET_ASM_FILE_END): Define to darwin_file_end.
8579         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
8580         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
8581
8582         PR target/43498
8583         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
8584         at the beginning and final_end_function at the end.
8585         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
8586
8587 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8588
8589         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
8590         and Sun as TLS syntax.
8591         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
8592         * configure: Regenerate.
8593         * config.in: Regenerate.
8594         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
8595         (default_elf_asm_named_section): Use it.
8596         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
8597         (i386_output_dwarf_dtprel): Likewise.
8598         (output_addr_const_extra): Likewise.
8599         (output_pic_addr_const): Lowercase @GOTTPOFF.
8600         (output_addr_const_extra): Likewise.
8601         (output_pic_addr_const): Lowercase @GOTNTPOFF.
8602         (output_addr_const_extra): Likewise.
8603         (output_pic_addr_const): Lowercase @INDNTPOFF.
8604         (output_addr_const_extra): Likewise.
8605         (output_pic_addr_const): Lowercase @NTPOFF.
8606         (output_addr_const_extra): Likewise.
8607         (output_pic_addr_const): Lowercase @TPOFF.
8608         (output_addr_const_extra): Likewise.
8609         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
8610         (*tls_global_dynamic_64): Likewise.
8611         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
8612         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
8613
8614         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
8615         (ASM_OUTPUT_TLS_COMMON): Use it.
8616         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
8617
8618         PR target/38118
8619         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
8620         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
8621         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
8622         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
8623         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
8624         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
8625
8626 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8627
8628         * config/i386/i386.c (override_options): Don't accept
8629         -mtls-dialect=sun any longer.
8630         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
8631         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
8632         (*tls_local_dynamic_base_32_sun): Likewise.
8633         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
8634
8635 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
8636
8637         PR debug/43508
8638         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
8639         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
8640
8641         PR debug/43479
8642         * ira.c (adjust_cleared_regs): New function.
8643         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
8644
8645         PR debug/19192
8646         PR debug/43479
8647         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
8648         from gimple_block.
8649         * expr.c (expand_expr_real): Restore previous
8650         curr_insn_source_location and curr_insn_block after
8651         expand_expr_real_1 call.
8652         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
8653         instead of expand_expr_real_1.
8654
8655 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
8656
8657         PR rtl-optimization/43413
8658         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
8659         hard regs too.
8660
8661 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
8662
8663         PR target/43348
8664         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
8665         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
8666
8667 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
8668
8669         * config/i386/i386.c (ix86_target_string): Add -mfma.
8670         Fix a typo in comment.
8671
8672 2010-03-22  Mike Stump  <mikestump@comcast.net>
8673
8674         PR target/23071
8675         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
8676         Don't overly align based upon packed packed fields.
8677
8678 2010-03-22  Jason Merrill  <jason@redhat.com>
8679
8680         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
8681         Use () rather than [], and move before the element type.
8682
8683 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8684
8685         * doc/configfiles.texi (Configuration Files): Removed
8686         fixinc/Makefile*, intl/Makefile.*.
8687         * doc/makefile.texi: Fixed markup. Abstract from version
8688         control system used.
8689         (Makefile): Removed obsolete gcc/java/parse.y example.
8690         * doc/sourcebuild.texi: Likewise.
8691         (Top Level): Added config, gnattools, libdecnumber, libgcc,
8692         libgomp, libssp.  Removed fastjar.
8693         (Miscellaneous Docs): Clarify location.
8694         Added COPYING3, COPYING3.LIB.
8695         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
8696
8697 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8698
8699         PR target/38085
8700         * config/i386/i386.c (x86_function_profiler)
8701         [!NO_PROFILE_COUNTERS]: Fix typo.
8702         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
8703         instead of callq.
8704
8705 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
8706             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8707
8708         * doc/sourcebuild.texi (Test Directives): Split into six
8709         subsections, with most of the current text in new subsections
8710         Directives, Selectors, and Final Actions.
8711         (Directives): Split list of test directives into multiple
8712         subsubsections.
8713         (Selectors): Describe use and syntax of selectors.
8714         (Effective-Target Keywords): Describe all existing keywords.
8715         (Add Options): Describe features for dg-add-options.
8716         (Require Support): Describe variants of dg-require-support.
8717         (Final Actions): Describe commands to use in dg-final.
8718
8719 2010-03-22  Michael Matz  <matz@suse.de>
8720
8721         PR middle-end/43475
8722         * recog.c (validate_replace_rtx_group): Replace also in
8723         REG_EQUAL and REG_EQUIV notes.
8724
8725 2010-03-22  Richard Guenther  <rguenther@suse.de>
8726
8727         PR tree-optimization/43390
8728         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
8729         sure vector extracts are type correct.
8730
8731 2010-03-22  Richard Guenther  <rguenther@suse.de>
8732
8733         PR middle-end/40106
8734         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
8735         x * sqrt (x) even when optimizing for size if the target
8736         has native support for sqrt.
8737
8738 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
8739
8740         * varasm.c (make_decl_rtl_for_debug): Also clear
8741         flag_mudflap for the duration of make_decl_rtl call.
8742
8743         PR debug/43443
8744         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
8745         locs from preserved VALUEs.
8746
8747 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8748
8749         PR middle-end/42718
8750         * pa.md (movmemsi): Set align to one if zero.
8751         (movmemdi): Likewise.
8752
8753 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
8754
8755         PR target/42321
8756         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
8757         with their corresponding prologue pushes.
8758
8759 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
8760
8761         PR target/43156
8762         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
8763         at the begining or end.
8764         (spu_expand_epilogue): Likewise.
8765
8766 2010-03-20  Richard Guenther  <rguenther@suse.de>
8767
8768         PR rtl-optimization/43438
8769         * combine.c (make_extraction): Properly zero-/sign-extend an
8770         extraction of the low part of a CONST_INT.  Also handle
8771         CONST_DOUBLE.
8772
8773 2010-03-19  Mike Stump  <mikestump@comcast.net>
8774
8775         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
8776         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
8777         (override_options): Use SUBTARGET32_DEFAULT_CPU.
8778
8779 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
8780
8781         PR c/43211
8782         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
8783         an error.
8784
8785 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
8786
8787         PR rtl-optimization/42258
8788         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
8789         use that may match DEF.
8790
8791         PR target/40697
8792         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
8793         the cost of loading the constant rather than assuming
8794         COSTS_N_INSNS (1).
8795         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
8796         outer code is AND, do the same tests as the andsi3 expander and
8797         return COSTS_N_INSNS (1) if and is cheap.
8798
8799         * optabs.c (avoid_expensive_constant): Fix formatting.
8800
8801 2010-03-19  Michael Matz  <matz@suse.de>
8802
8803         PR c++/43116
8804         * attribs.c (decl_attributes): When rebuilding a function pointer
8805         type use the same qualifiers as the original pointer type.
8806
8807 2010-03-19  Martin Jambor  <mjambor@suse.cz>
8808
8809         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
8810         and is_gimple_ip_invariant_address.
8811
8812 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8813
8814         Revert
8815         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8816
8817         * config/arm/arm.c (arm_override_options): Turn off
8818         flag_dwarf2_cfi_asm for AAPCS variants.
8819
8820 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8821
8822         PR target/43399
8823         * config/arm/arm.c (emit_multi_reg_push): Update comments.
8824         Use PRE_MODIFY instead of PRE_DEC.
8825         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
8826         (vfp_emit_fstmd): Likewise.
8827
8828 2010-03-19  Michael Matz  <matz@suse.de>
8829
8830         PR target/43305
8831         * builtins.c (expand_builtin_interclass_mathfn,
8832         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
8833         if that fails.
8834
8835 2010-03-19  Richard Guenther  <rguenther@suse.de>
8836
8837         PR tree-optimization/43415
8838         * tree-ssa-pre.c (phi_translate): Split out worker to ...
8839         (phi_translate_1): ... this.
8840         (phi_translate): Move all caching here.  Cache all NARY
8841         and REFERENCE translations.
8842
8843 2010-03-19  David S. Miller  <davem@davemloft.net>
8844
8845         With help from Eric Botcazou.
8846         * config/sparc/sparc.c: Include dwarf2out.h.
8847         (emit_pic_helper): Delete.
8848         (pic_helper_symbol_name): Delete.
8849         (pic_helper_emitted_p): Delete.
8850         (pic_helper_needed): New.
8851         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
8852         (get_pc_thunk_name): New.
8853         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
8854         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
8855         Set pic_helper_needed to true.  Don't call emit_pic_helper.
8856         (sparc_expand_prologue): Update load_pic_register call.
8857         (sparc_output_mi_thunk): Likewise.
8858         (sparc_file_end): Emit a hidden comdat symbol for the PIC
8859         thunk if possible.  Output CFI information as needed.
8860
8861 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
8862             Jack Howarth <howarth@bromo.med.uc.edu>
8863
8864         PR target/36399
8865         * config/i386/i386.h: Fix ABI on darwin x86-32.
8866
8867 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
8868
8869         * tree.h: Declare make_decl_rtl_for_debug.
8870         * varasm.c (make_decl_rtl_for_debug): New.
8871         * dwarf2out.c (rtl_for_decl_location): Call it.
8872         * cfgexpand.c (expand_debug_expr): Call it.
8873
8874 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
8875
8876         PR bootstrap/43399
8877         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
8878         mem_mode.
8879
8880         PR bootstrap/43403
8881         * var-tracking.c (vt_init_cfa_base): Do nothing if
8882         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
8883
8884 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
8885
8886         PR debug/42873
8887         * var-tracking.c (canonicalize_vars_star): New.
8888         (dataflow_post_merge_adjust): Use it.
8889
8890 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
8891
8892         PR debug/43058
8893         * var-tracking.c (non_suitable_const): New function.
8894         (add_uses): For DEBUG_INSNs with constants, don't record any
8895         value, instead just the constant value itself.
8896         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
8897         is not VAR_LOC_UNKNOWN_P, set var to the constant.
8898         (emit_notes_in_bb): Likewise.
8899         (emit_note_insn_var_location): For onepart variables if
8900         cur_loc is a VOIDmode constant, use DECL_MODE.
8901
8902 2010-03-18  Martin Jambor  <mjambor@suse.cz>
8903
8904         PR middle-end/42450
8905         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
8906         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
8907         all non-clones.  Moved call redirection...
8908         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
8909         (cgraph_materialize_all_clones): Dispose of all
8910         combined_args_to_skip bitmaps.
8911         (verify_cgraph_node): Do not check for edges pointing to wrong
8912         nodes in inline clones.
8913         * tree-inline.c (copy_bb): Call
8914         cgraph_redirect_edge_call_stmt_to_callee.
8915         * ipa.c (cgraph_remove_unreachable_nodes): Call
8916         cgraph_node_remove_callees even when there are used clones.
8917
8918 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
8919
8920         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
8921
8922 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
8923
8924         PR target/43383
8925         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
8926         for 32bit.
8927
8928 2010-03-18  Michael Matz  <matz@suse.de>
8929
8930         PR middle-end/43419
8931         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
8932         into sqrt(x) if we need to preserve signed zeros.
8933
8934 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
8935             Eric Botcazou  <ebotcazou@adacore.com>
8936
8937         PR rtl-optimization/43360
8938         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
8939         note if we don't know its invariant status.
8940
8941 2010-03-18  Michael Matz  <matz@suse.de>
8942
8943         PR tree-optimization/43402
8944         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
8945         PHI chains of ssa names registered for update.
8946
8947 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
8948
8949         PR target/42427
8950         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
8951         non-offsettable and pre_modify update addressing.
8952         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
8953         and "2" alternatives "#".
8954         (*movdd_softfloat32): Make all alternatives "#";
8955         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
8956         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
8957         (*movdf_softfloat32): Make all alternatives "#";
8958         (movdi): Use the new DIFD mode iterator to create a common splitter
8959         for movdi, movdf and movdd patterns.
8960
8961 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
8962
8963         * common.opt (dumpdir): Remove redundant tab.
8964
8965 2010-03-17  Martin Jambor  <mjambor@suse.cz>
8966
8967         PR tree-optimization/43347
8968         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
8969         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
8970
8971 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
8972
8973         PR rtl-optimization/42216
8974         * regrename.c (create_new_chain): New function, broken out from...
8975         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
8976         appending a use to an empty chain.
8977         (build_def_use): Remove previous changes that convert OP_INOUT to
8978         OP_OUT operands; instead detect the case where an OP_INOUT operand
8979         uses a previously untracked register and create an empty chain for it.
8980
8981 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8982
8983         * doc/extend.texi (Function Attributes): Rewrite unfinished
8984         sentence in ms_abi documentation.
8985
8986 2010-03-17  Alan Modra  <amodra@gmail.com>
8987
8988         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
8989         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
8990         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
8991         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
8992
8993 2010-03-16  Richard Henderson  <rth@redhat.com>
8994
8995         PR middle-end/43365
8996         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
8997         (lower_try_finally): Save and restore eh_seq around the expansion
8998         of the try-finally.
8999
9000 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
9001
9002         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
9003         statements before splitting block.
9004
9005 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9006
9007         * doc/sourcebuild.texi (Testsuites): Fix markup.
9008         Use pathnames relative to gcc/testsuite.
9009         (Test Directives): Move description of how timeout is determined.
9010         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
9011         (C Tests): Correct gcc.misc-tests directory.
9012         Framework tests now live in gcc.test-framework.
9013
9014 2010-03-16  Richard Guenther  <rguenther@suse.de>
9015
9016         PR middle-end/43379
9017         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
9018         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
9019
9020 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
9021             Alexandre Oliva  <aoliva@redhat.com>
9022
9023         PR tree-optimization/42917
9024         * lambda-code.c (remove_iv): Skip debug statements.
9025         (lambda_loopnest_to_gcc_loopnest): Likewise.
9026         (not_interesting_stmt): Debug statements are not interesting.
9027
9028 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
9029
9030         PR debug/43051
9031         PR debug/43092
9032         * cselib.c (cselib_preserve_constants,
9033         cfa_base_preserved_val): New static variables.
9034         (preserve_only_constants): New function.
9035         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
9036         clear its REG_VALUES.  If cselib_preserve_constants, don't
9037         empty the whole hash table, but preserve there VALUEs with constants,
9038         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
9039         (cselib_preserve_cfa_base_value): New function.
9040         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
9041         (cselib_init): Change argument to int bitfield.  Set
9042         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
9043         is in it.
9044         (cselib_finish): Clear cselib_preserve_constants and
9045         cfa_base_preserved_val.
9046         * cselib.h (enum cselib_record_what): New enum.
9047         (cselib_init): Change argument to int.
9048         (cselib_preserve_cfa_base_value): New prototype.
9049         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
9050         * dse.c (dse_step1): Likewise.
9051         * cfgcleanup.c (thread_jump): Likewise.
9052         * sched-deps.c (sched_analyze): Likewise.
9053         * gcse.c (local_cprop_pass): Likewise.
9054         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
9055         If FN is non-NULL, call the callback always and whenever it returns
9056         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
9057         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
9058         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
9059         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
9060         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
9061         * var-tracking.c: Include recog.h.
9062         (bb_stack_adjust_offset): Remove.
9063         (vt_stack_adjustments): Don't call it, instead just gather the
9064         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
9065         (adjust_stack_reference): Remove.
9066         (compute_cfa_pointer): New function.
9067         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
9068         (struct adjust_mem_data): New type.
9069         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
9070         functions.
9071         (get_address_mode): New function.
9072         (replace_expr_with_values): Use it.
9073         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
9074         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
9075         (adjust_sets): Remove.
9076         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
9077         Use get_address_mode.
9078         (get_adjusted_src): Remove.
9079         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
9080         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
9081         (add_with_sets): Don't call adjust_sets.
9082         (fp_setter, vt_init_cfa_base): New functions.
9083         (vt_initialize): Change return type to bool.  Move most of pool etc.
9084         initialization to the beginning of the function from end.  Pass
9085         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
9086         If !frame_pointer_needed, call vt_stack_adjustment before mos
9087         vector is filled, call vt_init_cfa_base if argp/framep has been
9088         eliminated to sp.  If frame_pointer_needed and argp/framep has
9089         been eliminated to hard frame pointer, set
9090         hard_frame_pointer_adjustment and call vt_init_cfa_base after
9091         encountering fp setter in the prologue.  For MO_ADJUST, call
9092         log_op_type before pusing the op into mos vector, not afterwards.
9093         Call adjust_insn before cselib_process_insn/add_with_sets,
9094         call cancel_changes (0) afterwards.
9095         (variable_tracking_main_1): Adjust for vt_initialize calling
9096         vt_stack_adjustments and returning whether it succeeded or not.
9097
9098 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
9099
9100         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
9101         debug statements.
9102
9103 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
9104
9105         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
9106         has been set.
9107         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
9108         drap_reg has not been set.
9109
9110 2010-03-15  Michael Matz  <matz@suse.de>
9111
9112         PR middle-end/43300
9113         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
9114         use it to expand block copies.
9115         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
9116         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
9117         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
9118
9119 2010-03-15  Richard Guenther  <rguenther@suse.de>
9120
9121         PR tree-optimization/43367
9122         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
9123         elimination check.
9124
9125 2010-03-15  Richard Guenther  <rguenther@suse.de>
9126
9127         PR tree-optimization/43317
9128         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
9129
9130 2010-03-15  Martin Jambor  <mjambor@suse.cz>
9131
9132         PR tree-optimization/43141
9133         * tree-sra.c (create_abstract_origin): New function.
9134         (modify_function): Call create_abstract_origin.
9135
9136 2010-03-15  Chris Demetriou  <cgd@google.com>
9137
9138         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
9139         wasn't copied.
9140
9141 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9142
9143         PR middle-end/43354
9144         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
9145         call insert_out_of_ssa_copy for default definitions.
9146
9147 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9148
9149         * graphite-clast-to-gimple.c (my_long_long): Defined.
9150         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
9151         * graphite-sese-to-poly.c (my_long_long): Defined.
9152         (scop_ivs_can_be_represented): Use it.
9153
9154 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9155
9156         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
9157         graphite-max-bbs-per-function, and loop-block-tile-size.
9158         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
9159         with "maximum".
9160         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
9161
9162 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9163
9164         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
9165         forward declaration.
9166         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
9167         (add_upper_bounds_from_estimated_nit): New.
9168         (build_loop_iteration_domains): Use it.
9169
9170 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9171
9172         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
9173
9174 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9175
9176         PR middle-end/43306
9177         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
9178         should be an INTEGER_CST.  Also handle CASE_CONVERT.
9179
9180 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9181
9182         * graphite.c (graphite_initialize): To bound the number of bbs per
9183         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
9184         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
9185         * doc/invoke.texi: Document it.
9186
9187 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9188
9189         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
9190         * graphite-sese-to-poly.h (build_poly_scop): Same.
9191
9192 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
9193
9194         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
9195         the number of parameters in the scop.  Use as an upper bound
9196         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
9197         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
9198         * doc/invoke.texi: Document it.
9199
9200 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
9201
9202         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
9203         * doc/c-tree.texi: Remove.
9204         * doc/generic.texi: Merge c-tree.texi here.
9205         * doc/gccint.texi (Trees): Remove menu entry.
9206         (c-tree.texi): Remove @include.
9207         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
9208         * doc/languages.texi (Reading RTL): Ditto.
9209
9210 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
9211
9212         PR target/42869
9213         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
9214
9215 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9216
9217         PR middle-end/42431
9218         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
9219         code added to work around reload clobbering CONST insns.
9220
9221 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
9222
9223         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
9224         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
9225         (cselib_preserve_only_values): Remove retain argument, don't
9226         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
9227         * cselib.h (cselib_preserve_only_values): Remove retain argument.
9228         * var-tracking.c (micro_operation): Move insn field before union.
9229         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
9230         (struct variable_tracking_info_def): Remove n_mos field, change
9231         mos into a vector of micro_operations.
9232         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
9233         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
9234         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
9235         changing into a vector.
9236         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
9237         come before all other uops generated by add_stores.
9238         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
9239         argument removal.
9240         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
9241         a vector.  Run just one pass over the bbs instead of separate counting
9242         and computation phase.
9243         (vt_finalize): Free VTI (bb)->mos vector instead of array.
9244
9245         PR debug/43329
9246         * tree-inline.c (remap_decls): Put old_var rather than origin_var
9247         into *nonlocalized_list vector.
9248         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
9249         even if origin is non-NULL.
9250         (gen_variable_die): Likewise.
9251         (process_scope_var): Don't change origin.
9252         (gen_decl_die): Likewise.
9253         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
9254         before adding new edges instead of after it, fix moving over
9255         debug stmts.
9256
9257 2010-03-11  David S. Miller  <davem@davemloft.net>
9258
9259         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
9260         of four.
9261         * configure: Rebuild.
9262
9263 2010-03-11  Martin Jambor  <mjambor@suse.cz>
9264
9265         PR tree-optimization/43257
9266         * tree.c (assign_assembler_name_if_neeeded): New function.
9267         (free_lang_data_in_cgraph): Assembler name assignment moved to the
9268         above new function.
9269         * tree.h (assign_assembler_name_if_neeeded): Declare.
9270         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
9271         the function if needed.
9272
9273 2010-03-11  Chris Demetriou  <cgd@google.com>
9274
9275         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
9276         include/stdint-gcc.h, and include/stdint.h world-readable.
9277
9278 2010-03-11  Richard Guenther  <rguenther@suse.de>
9279
9280         PR tree-optimization/43255
9281         * tree-vrp.c (process_assert_insertions_for): Do not insert
9282         asserts for trivial conditions.
9283
9284 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9285
9286         PR tree-optimization/43280
9287         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
9288         generation.  Move calculation of size out of the if branch.
9289         (find_bswap): Modify compare number generation.
9290
9291 2010-03-11  Richard Guenther  <rguenther@suse.de>
9292
9293         PR lto/43200
9294         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
9295         (input_gimple_stmt): Fixup handled component types during
9296         operand read.  Also fix up decls in ADDR_EXPRs.
9297
9298 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
9299
9300         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
9301         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
9302
9303 2010-03-10  Jan Hubicka  <jh@suse.cz>
9304
9305         PR c/43288
9306         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
9307         * varasm.c (get_variable_section): Don't do that here...
9308         (make_decl_rtl): ... and here.
9309         (do_assemble_alias): Produce decl RTL.
9310         (assemble_alias): Likewise.
9311
9312 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
9313
9314         PR debug/43290
9315         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
9316         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
9317         of fde->vdrap_reg.
9318         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
9319         (based_loc_descr): Only express drap or vdrap regno based expressions
9320         using DW_OP_fbreg when not optimizing.
9321         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
9322         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
9323         REG_CFA_SET_VDRAP note.
9324
9325 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
9326
9327         PR tree-optimization/43236
9328         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
9329         error in calculation of base address in reverse iteration case.
9330         (generate_builtin): Take number of latch executions if the statement
9331         is in the latch.
9332
9333 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
9334
9335         PR middle-end/42859
9336         * tree-eh.c: Include pointer-set.h.
9337         (lower_eh_dispatch): Filter out duplicate case labels and
9338         remove the unneeded edge when the label is unused.  Return
9339         true when some edges are removed.
9340         (execute_lower_eh_dispatch): When any lowering resulted in
9341         removing an edge, also delete unreachable blocks.
9342
9343 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
9344
9345         PR bootstrap/43287
9346         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
9347         UNSPEC_MACHOPIC_OFFSET.
9348
9349 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
9350
9351         PR target/43294
9352         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
9353         (m68k_delegitimize_address): New function.
9354
9355 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
9356
9357         PR debug/43299
9358         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
9359
9360         PR debug/43299
9361         * var-tracking.c (adjust_sets): New function.
9362         (count_with_sets, add_with_sets): Use it.
9363         (get_adjusted_src): New inline function.
9364         (add_stores): Use it.
9365
9366         PR debug/43304
9367         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
9368         call cselib_dummy_expand_value_rtx_cb instead of
9369         cselib_expand_value_rtx_cb.
9370
9371         PR debug/43293
9372         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
9373         * config/i386/i386.c: Include debug.h and dwarf2out.h.
9374         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
9375         and .cfi_endproc around the pic thunks.
9376         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
9377         all queued unwind info register saves are saved before the call.
9378         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
9379         considered as sp-=4 for unwind info and the pop as sp+=4 which
9380         also clobbers dest, but doesn't actually restore it.
9381
9382         PR debug/43290
9383         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
9384         RTX_FRAME_RELATED_P.
9385
9386 2010-03-09  Jie Zhang  <jie@codesourcery.com>
9387
9388         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
9389         whitespaces in output template.
9390
9391 2010-03-09  Jie Zhang  <jie@codesourcery.com>
9392
9393         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
9394         out array boundary.
9395
9396 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
9397
9398         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
9399         builtins.exp in a separate job.
9400
9401 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9402
9403         * graphite-sese-to-poly.c (add_param_constraints): Use
9404         lower_bound_in_type and upper_bound_in_type.
9405
9406 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9407
9408         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
9409         instead of unsigned_type_node.
9410
9411 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9412             Reza Yazdani  <reza.yazdani@amd.com>
9413
9414         PR middle-end/43065
9415         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
9416         on pointer type parameters.
9417
9418 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
9419
9420         PR middle-end/42644
9421         PR middle-end/42130
9422         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
9423         handle conversions from pointer to integers.
9424         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
9425         induction variable, to be able to work with code generated by CLooG.
9426         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
9427         (build_poly_scop): Bail out if we cannot codegen a loop.
9428
9429 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
9430
9431         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
9432         code generation with gloog_error.
9433
9434 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9435
9436         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
9437         Call fold_convert on all the returned values.
9438         (expand_scalar_variables_expr): Pass to
9439         expand_scalar_variables_ssa_name the type of the resulting expression.
9440
9441 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9442
9443         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
9444         ppl_min_for_le_pointset.
9445         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
9446         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
9447
9448 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9449
9450         * graphite-dependences.c (map_into_dep_poly): Removed.
9451         (dependence_polyhedron_1): Use combine_context_id_scat.
9452
9453 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9454
9455         * graphite-poly.h (struct poly_scattering): Add layout documentation.
9456         (struct poly_bb): Same.
9457         (combine_context_id_scat): New.
9458
9459 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9460
9461         PR middle-end/42326
9462         * sese.c (name_defined_in_loop_p): Return false for default
9463         definitions.
9464
9465 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9466
9467         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
9468         and clean up the logic.
9469
9470 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
9471
9472         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
9473         early return.
9474
9475 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
9476
9477         * var-tracking.c (remove_cselib_value_chains): Define only for
9478         ENABLE_CHECKING.
9479         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
9480         delete_slot_part, emit_notes_for_differences_1): Don't call
9481         remove_cselib_value_chains here.
9482         (set_slot_part, emit_notes_for_differences_2): Don't call
9483         add_cselib_value_chains here.
9484         (preserved_values): New vector.
9485         (preserve_value): New function.
9486         (add_uses, add_stores, vt_add_function_parameters): Use it
9487         instead of cselib_preserve_value.
9488         (changed_values_stack): New vector.
9489         (check_changed_vars_0): New function.
9490         (check_changed_vars_1, check_changed_vars_2): Use it.
9491         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
9492         changed_values_stack VALUEs.
9493         (vt_emit_notes): For all preserved_values call
9494         add_cselib_value_chains.  If ENABLE_CHECKING call
9495         remove_cselib_value_chains before verifying value_chains is empty.
9496         Initialize and free changed_values_stack.
9497         (vt_initialize): Initialize preserved_values.
9498         (vt_finalize): Free preserved_values.
9499
9500 2010-03-08  Richard Guenther  <rguenther@suse.de>
9501
9502         PR tree-optimization/43269
9503         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
9504         region detection.
9505
9506 2010-03-08  Martin Jambor  <mjambor@suse.cz>
9507
9508         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
9509         (ipa_is_param_called): Removed.
9510         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
9511         (ipa_print_node_params): Do not print the called flag.
9512         (ipa_write_node_info): Do not stream the called flag.
9513         (ipa_read_node_info): Likewise.
9514
9515 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
9516
9517         PR debug/43176
9518         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
9519         * cselib.c (struct expand_value_data): Add dummy field.
9520         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
9521         dummy to false.
9522         (cselib_dummy_expand_value_rtx_cb): New function.
9523         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
9524         any rtl.
9525         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
9526         * var-tracking.c: Include pointer-set.h.
9527         (variable): Change n_var_parts to char from int.  Add
9528         cur_loc_changed and in_changed_variables fields.
9529         (variable_canonicalize): Remove.
9530         (shared_var_p): New inline function.
9531         (unshare_variable): Maintain cur_loc_changed and
9532         in_changed_variables fields.  If var was in changed_variables,
9533         replace it there with new_var.  Just copy cur_loc instead of
9534         resetting it to something else.
9535         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
9536         (dataflow_set_union): Don't call variable_canonicalize.
9537         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
9538         of their DEBUG_EXPR_TREE_DECLs.
9539         (canonicalize_loc_order_check): Verify that cur_loc is NULL
9540         and in_changed_variables and cur_loc_changed is false.
9541         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
9542         and cur_loc_changed.  Don't update cur_loc here.
9543         (variable_merge_over_src): Don't call variable_canonicalize.
9544         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
9545         removing loc that is equal to cur_loc, clear cur_loc,
9546         set cur_loc_changed and ensure variable_was_changed is called.
9547         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
9548         compare pointers in cur_loc check, if it is equal to loc,
9549         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
9550         (variable_different_p): Remove compare_current_location argument,
9551         don't compare cur_loc.
9552         (dataflow_set_different_1): Adjust variable_different_p caller.
9553         (variable_was_changed): If dv had some var in changed_variables
9554         already, reset in_changed_variables flag for it and propagate
9555         cur_loc_changed over to the new variable.  On empty var
9556         always set cur_loc_changed.  Set in_changed_variables on whatever
9557         var is added to changed_variables.
9558         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
9559         Use shared_var_p.  When removing loc that is equal to cur_loc,
9560         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
9561         end, don't set it to something else, just call variable_was_changed.
9562         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
9563         loc being removed, clear cur_loc and set cur_loc_changed.
9564         Set cur_loc_changed if all locations have been removed.
9565         (struct expand_loc_callback_data): New type.
9566         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
9567         allocated.  Always create SUBREGs if simplify_subreg failed.
9568         Prefer to use cur_loc, when that fails and still in
9569         changed_variables (and seen first time) recompute it.  Set
9570         cur_loc_changed of variables which had to change cur_loc and
9571         compute elcd->cur_loc_changed if any of the subexpressions used
9572         had to change cur_loc.
9573         (vt_expand_loc): Adjust to pass arguments in
9574         expand_loc_callback_data structure.
9575         (vt_expand_loc_dummy): New function.
9576         (emitted_notes): New variable.
9577         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
9578         that weren't used for any other decl in current
9579         emit_notes_for_changes call call vt_expand_loc_dummy to update
9580         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
9581         first loc_chain location if NULL before.  Always use just
9582         cur_loc instead of first loc_chain location.  When cur_loc_changed
9583         is false, when not --enable-checking=rtl just don't emit any note.
9584         When rtl checking, compute the note and assert it is the same
9585         as previous note.  Clear cur_loc_changed and in_changed_variables
9586         at the end before removing from changed_variables.
9587         (check_changed_vars_3): New function.
9588         (emit_notes_for_changes): Traverse changed_vars to call
9589         check_changed_vars_3 on each changed var.
9590         (emit_notes_for_differences_1): Clear cur_loc_changed and
9591         in_changed_variables.  Recompute cur_loc of new_var.
9592         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
9593         (vt_emit_notes): Initialize and destroy emitted_notes.
9594
9595 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
9596
9597         PR rtl-optimization/42220
9598         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
9599         Use verify_reg_tracked to determine if we should use OP_OUT rather
9600         than OP_INOUT.
9601         (build_def_use): If we see an in-out operand for a register that we
9602         know nothing about, treat is an output if possible, fail the block if
9603         not.
9604
9605 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
9606
9607         PR debug/42897
9608         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
9609         permanently.
9610
9611 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
9612
9613         PR debug/42897
9614         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
9615         uses of relevant DEFs that are dead outside the loop too.
9616
9617 2010-03-06  Alexandre Oliva <aoliva@redhat.com>
9618
9619         * var-tracking.c (dataflow_set_merge): Swap src and src2.
9620         Reverted:
9621         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
9622         PR debug/41371
9623         * var-tracking.c (values_to_unmark): New variable.
9624         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9625         values_to_unmark vector.  Moved body to...
9626         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
9627         instead queue it into values_to_unmark vector.
9628         (vt_find_locations): Free values_to_unmark vector.
9629
9630 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
9631
9632         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
9633         (site.exp): Export them when plugins are enabled.
9634
9635 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
9636
9637         PR middle-end/42326
9638         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
9639         that contain scevs.
9640         (chrec_fold_multiply): Same.
9641
9642 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
9643
9644         PR c/43248
9645         * c-decl.c (build_compound_literal): Return early if init is
9646         an error_mark_node.
9647
9648 2010-03-04  Martin Jambor  <mjambor@suse.cz>
9649
9650         PR tree-optimization/43164
9651         PR tree-optimization/43191
9652         * tree-sra.c (type_consists_of_records_p): Reject records with
9653         zero-size bit-fields at the end.
9654
9655 2010-03-04  Mike Stump  <mikestump@comcast.net>
9656
9657         * Makefile.in (TAGS): Remove *.y.
9658
9659 2010-03-04  Richard Guenther  <rguenther@suse.de>
9660
9661         PR tree-optimization/40761
9662         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
9663         in reverse order.
9664         (my_rev_post_order_compute): New function.
9665         (init_pre): Call it.
9666
9667 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
9668
9669         PR middle-end/43209
9670         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
9671         decrease the cost of an IV candidate when the cost is infinite.
9672
9673 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9674
9675         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
9676         Use '3DNow!' for the extension of that name, ensure normal space
9677         after the string.
9678         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
9679
9680 2010-03-03  Jeff Law  <law@redhat.com>
9681
9682         * PR middle-end/32693
9683         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
9684         than gen_rtx_SUBREG.
9685         (extract_bit_field_1): Likewise.
9686
9687 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
9688
9689         * doc/sourcebuild.texi (Test directives): Document that arguments
9690         include-opts and exclude-opts are now optional for dg-skip-if,
9691         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
9692
9693 2010-03-03  Jason Merrill  <jason@redhat.com>
9694
9695         PR c++/12909
9696         * cgraph.h (varpool_node): Add extra_name field.
9697         * varpool.c (varpool_extra_name_alias): New.
9698         (varpool_assemble_decl): Emit extra name aliases.
9699         (varpool_mark_needed_node): Look past an extra name alias.
9700         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
9701         * lto-streamer-in.c (lto_input_tree): Read it.
9702         * lto-streamer-out.c (output_unreferenced_globals): Write it.
9703
9704 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
9705
9706         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
9707         (sparc*-*-solaris2*): ...this.
9708
9709 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
9710
9711         PR debug/43229
9712         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
9713         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
9714         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
9715         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
9716
9717         PR debug/43237
9718         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
9719         fallthrough to default handling, just with want_address 0 instead of 2.
9720         For single element lists, add_AT_loc directly, otherwise create an
9721         artificial variable DIE and stick location list to it.
9722
9723         PR debug/43177
9724         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
9725         (VAL_EXPR_HAS_REVERSE): Define.
9726         (reverse_op): New function.
9727         (add_stores): For reversible operations add an extra MO_VAL_USE.
9728
9729 2010-03-02  Jason Merrill  <jason@redhat.com>
9730
9731         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
9732
9733 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
9734
9735         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
9736         (sparc64-*-linux*): Likewise.
9737         (sparc64-*-solaris2*): Include assembler files before linker ones.
9738         (sparc-*-solaris2*): Simplify and reorder to match previous case.
9739         * config/sparc/gas.h: Delete.
9740         * config/sparc/sol2-64.h: Add copyright notice.
9741         * config/sparc/sol2-gas-bi.h: Likewise.
9742         * config/sparc/sol2-gld.h: Likewise.
9743         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
9744         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
9745         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
9746         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
9747         (sparc_elf_asm_named_section): Rename into...
9748         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
9749
9750 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
9751
9752         * config/alpha/alpha.c (override_options): Fix -mtune error message.
9753
9754 2010-03-02  Jeff Law  <law@redhat.com>
9755
9756         PR middle-end/42431
9757         * reload1.c (rtx_p, substitute_stack): Declare.
9758         (substitute): Record addresses of changed rtxs.
9759         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
9760         Restore the original rtx when complete.
9761         (reload): Free subsitute_stack when complete.
9762
9763 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
9764
9765         * doc/gccint.texi (menu): Add Testsuites as a chapter.
9766         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
9767         new chapter.
9768         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
9769         LTO Testing, gcov Testing, profopt Testing, compat Testing,
9770         Torture Tests): Change from subsection to section.
9771
9772 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
9773             Steven Bosscher  <steven@gcc.gnu.org>
9774
9775         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
9776         instead of bb.
9777
9778 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
9779
9780         PR middle-end/42640
9781         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
9782         the assignment from the new induction variable to the assignment
9783         of the value from the original loop PHI function.
9784
9785 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
9786             Daniel Jacobowitz  <dan@codesourcery.com>
9787
9788         * doc/sourcebuild.texi (Test directives): Clarify options to
9789         dg-skip-if.
9790
9791 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9792
9793         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
9794         Disable cfi directives unless GCC and gas agree on using read-only
9795         .eh_frame sections for 64-bit.
9796         * configure: Regenerate.
9797
9798 2010-03-01  Richard Guenther  <rguenther@suse.de>
9799
9800         PR tree-optimization/43220
9801         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
9802         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
9803
9804 2010-03-01  Richard Guenther  <rguenther@suse.de>
9805             Martin Jambor  <mjambor@suse.cz>
9806
9807         PR middle-end/41250
9808         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
9809         gimplified parameters.
9810
9811 2010-03-01  Christian Bruel  <christian.bruel@st.com>
9812
9813         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
9814
9815 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
9816
9817         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
9818
9819 2010-03-01  Richard Guenther  <rguenther@suse.de>
9820
9821         PR middle-end/43213
9822         * expr.c (expand_assignment): Use the alias-oracle to tell
9823         if the rhs aliases the result decl.
9824
9825 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9826
9827         PR pch/14940
9828         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
9829         to sol_gt_pch_get_address.
9830         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
9831         64-bit, SPARC and x86.
9832         (sol_gt_pch_get_address): New function.
9833
9834 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
9835
9836         * toplev.h (inform_n, error_n): Declare.
9837         * diagnostic.c (inform_n, error_n): New function.
9838
9839 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
9840
9841         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
9842         has no rtl yet when processing local_decls, queue it and recheck
9843         if deferred stack allocation hasn't assigned it rtl.
9844
9845 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9846
9847         * config/sh/sh.c (unspec_bbr_uid): New.
9848         (gen_block_redirect): Use it instead of INSN_UID.
9849         (gen_far_branch): Likewise.
9850
9851 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9852
9853         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
9854         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
9855
9856 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9857
9858         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
9859         (Warning Options): -Wno-conversion-null is valid for
9860         Objective-C++ as well.
9861         * doc/tm.texi (Named Address Spaces): Likewise.
9862         * doc/plugins.texi (Plugins): Replace TABs with spaces.
9863         * doc/tree-ssa.texi (Tree SSA): Likewise.
9864
9865 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9866
9867         PR bootstrap/43202
9868         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
9869         by default.  Don't set the default arch for
9870         i[34567]86-*-darwin*|x86_64-*-darwin*.
9871
9872 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9873
9874         PR bootstrap/43202
9875         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
9876         default.  Set the default 32bit/64bit archs with $with_arch
9877         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
9878
9879 2010-02-27  Richard Guenther  <rguenther@suse.de>
9880
9881         PR tree-optimization/43186
9882         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
9883         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
9884         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
9885         unroller iterations.
9886
9887 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9888
9889         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
9890         required and i[34567]86-*-* targets don't support 64bit ISA.
9891
9892 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
9893
9894         PR ada/43096
9895         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
9896         the same alias set.
9897
9898 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
9899
9900         * config.gcc: Set the default arch at least to Prescott for
9901         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
9902         if SSE math is enabled.
9903
9904 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9905
9906         * diagnostic.c (diagnostic_initialize): Update.
9907         (diagnostic_report_diagnostic): Test inhibit_notes_p for
9908         informative notes.
9909         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
9910         (diagnostic_inhibit_notes): New.
9911         * toplev.c (process_options): inhibit notes with -fcompare-debug.
9912
9913 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9914
9915         PR c/20631
9916         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
9917         * doc/standards.texi: Likewise.
9918         * doc/extend.texi: Likewise.
9919         * doc/trouble.texi: Likewise.
9920         * doc/cppopts.texi: Likewise.
9921         * doc/install.texi: Likewise.
9922         * c.opt (std=c90,std=gnu90): New options.
9923         * c-opts.c (c_common_handle_option): Handle them.
9924
9925 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9926
9927         PR c/24577
9928         * c-decl.c (undeclared_variable): Use an informative note.
9929
9930 2010-02-26  Richard Guenther  <rguenther@suse.de>
9931
9932         PR tree-optimization/43186
9933         * gimple.h (gimple_fold): Remove.
9934         * gimple.c (gimple_fold): Remove.  Inline into single user ...
9935         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
9936         Try harder for conditions.
9937
9938 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
9939
9940         PR debug/43190
9941         * function.c (used_types_insert): Don't skip through named pointer
9942         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
9943         and it is different from the main variant's type.
9944
9945 2010-02-26  Nick Clifton  <nickc@redhat.com>
9946
9947         * config/rx/rx.md (sminsi3): Remove bogus alternative.
9948
9949 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
9950
9951         * config.gcc: Support --with-fpmath=sse for x86.
9952
9953         * config/i386/ssemath.h: New.
9954
9955         * doc/install.texi (--with-fpmath=sse): Documented.
9956
9957 2010-02-26  Richard Guenther  <rguenther@suse.de>
9958
9959         PR tree-optimization/43188
9960         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
9961         vector types of over-aligned element type.
9962
9963 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
9964
9965         PR target/43175
9966         * config/i386/i386.c (expand_vec_perm_blend): Use correct
9967         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
9968
9969 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
9970
9971         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
9972
9973 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
9974
9975         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
9976         * var-tracking.c: Include diagnostic.h.
9977         (debug_dv): New function.
9978         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
9979
9980         PR debug/43160
9981         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
9982         (add_value_chain, add_value_chains, remove_value_chain,
9983         remove_value_chains): Handle DEBUG_EXPRs.
9984         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
9985
9986         PR debug/43161
9987         * regcprop.c (struct queued_debug_insn_change): New type.
9988         (struct value_data_entry): Add debug_insn_changes field.
9989         (struct value_data): Add n_debug_insn_changes field.
9990         (debug_insn_changes_pool): New variable.
9991         (free_debug_insn_changes, apply_debug_insn_changes,
9992         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
9993         (kill_value_one_regno): Call free_debug_insn_changes if needed.
9994         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
9995         fields.
9996         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
9997         changes for them.
9998         (copyprop_hardreg_forward_1): Don't call apply_change_group for
9999         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
10000         changes, call cprop_find_used_regs via note_stores.
10001         (copyprop_hardreg_forward): When copying vd from predecessor
10002         which has any queued DEBUG_INSN changes, make sure the pointers are
10003         cleared.  At the end call df_analyze and then if there are any
10004         DEBUG_INSN changes queued at the end of some basic block for still
10005         live registers, apply them.
10006         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
10007
10008 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
10009
10010         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
10011         (arm*-*-*): Ditto.
10012
10013 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
10014
10015         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
10016         targets.  Set the default with_cpu/with_arch from arch/cpu.
10017         Allow x86-64 and native for with_cpu/with_arch.
10018
10019 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
10020
10021         * ebitmap.c: Change calls to verify_popcount with calls to
10022         sbitmap_verify_popcount.
10023         (ebitmap_clear_bit): Fixed map->cacheindex test and
10024         map>cache update when bit clearing results in an empty
10025         element.
10026
10027 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
10028
10029         PR target/43154
10030         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
10031         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
10032         and support both V2DF and V2DI modes.
10033         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
10034         support both V2DF and V2DI modes.
10035         (general): Delete trailing whitespace from a few patterns.
10036
10037         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10038         V2DF/V2DI interleave high/low builtins.
10039
10040         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
10041         new VSX builtins.
10042
10043         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
10044         interleave high/low functions.
10045
10046 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
10047
10048         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
10049         #pragma extern_prefix.
10050
10051 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
10052
10053         PR debug/43166
10054         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
10055         BLKmode, assert op0 is a MEM and just adjust its mode.
10056
10057         PR debug/43165
10058         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
10059         if bitpos isn't multiple of mode's bitsize.
10060
10061 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10062
10063         * c.opt (-ftemplate-depth=): New.
10064         (-ftemplate-depth-): Deprecate.
10065         * optc-gen.awk: Handle -ftemplate-depth=.
10066         * opth-gen.awk: Likewise.
10067         * c-opts.c (c_common_handle_option): Likewise.
10068         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
10069
10070 2010-02-24  Jason Merrill  <jason@redhat.com>
10071
10072         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
10073
10074 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10075
10076         * cfg.c (alloc_aux_for_block): Remove inline.
10077         (alloc_aux_for_edge): Likewise.
10078
10079 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10080
10081         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
10082
10083 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10084
10085         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
10086         * config/i386/sol2-gas.h: New file.
10087         * config.gcc (i[34567]86-*-solaris2*): Use it.
10088
10089 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10090
10091         PR c/43128
10092         * c-typeck.c (ep_convert_and_check): New.
10093         (build_conditional_expr): Use it.
10094         (build_binary_op): Likewise.
10095
10096 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
10097
10098         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
10099
10100         PR debug/43150
10101         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
10102         bounds even for -O+.
10103         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
10104         expr needs to have DECL_NAME set.
10105
10106 2010-02-24  Nick Clifton  <nickc@redhat.com>
10107
10108         * config/mep/mep.c: Include gimple.h.
10109         (mep_function_uses_sp): Delete unused function.
10110         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
10111         parameters.  Use unsigned integers to count args.  Return a
10112         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
10113
10114 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
10115
10116         PR target/43107
10117         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
10118         greater or equal to nelt instead of 2 * nelt.
10119         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
10120         with nelt - 1.
10121
10122 2010-02-23  Jason Merrill  <jason@redhat.com>
10123
10124         PR debug/42800
10125         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
10126         in cfun->local_decls even if they have register types.
10127
10128         PR c++/42837
10129         * stor-layout.c (place_field): Don't warn about unnecessary
10130         DECL_PACKED if the type is packed.
10131
10132 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
10133
10134         PR target/43139
10135         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
10136         GOTOFF relocs, even when the base reg isn't pic pointer.
10137
10138 2010-02-23  Michael Matz  <matz@suse.de>
10139
10140         PR debug/43077
10141         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
10142         (expand_gimple_basic_block): Generate and use debug temps if there
10143         are debug uses left after the last real use of TERed ssa names.
10144         Unlink debug immediate uses when they are expanded.
10145
10146 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10147
10148         PR 43123
10149         * config/i386/i386.c (override_options): Reorganise to provide
10150         better error messages.
10151
10152 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
10153
10154         PR middle-end/43083
10155         * graphite-scop-detection.c (create_single_exit_edge): Move
10156         the call to find_single_exit_edge to....
10157         (create_sese_edges): ...here.  Don't handle multiple edges
10158         exiting the function.
10159         (build_graphite_scops): Don't handle multiple edges
10160         exiting the function.
10161
10162 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
10163
10164         PR middle-end/43097
10165         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
10166         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
10167
10168 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
10169
10170         PR middle-end/43026
10171         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
10172
10173 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10174
10175         PR c++/43126
10176         * c-typeck.c (convert_arguments): Print declaration location.
10177         * c-common.c (validate_nargs): Rename as
10178         builtin_function_validate_nargs.
10179         (check_builtin_function_arguments): Update.
10180
10181 2010-02-22  Richard Guenther  <rguenther@suse.de>
10182
10183         PR lto/43045
10184         * tree-inline.c (declare_return_variable): Use the type of
10185         the call stmt lhs if available.
10186
10187 2010-02-22  Duncan Sands  <baldrick@free.fr>
10188
10189         * passes.c (register_pass): Always consider all pass lists when
10190         ref_pass_instance_number is zero.
10191
10192 2010-02-22  Richard Guenther  <rguenther@suse.de>
10193
10194         PR tree-optimization/42749
10195         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
10196         parameter.  Do arithmetic in the original type.
10197         (update_accumulator_with_ops): Likewise.
10198         (adjust_accumulator_values): Adjust.
10199
10200 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10201
10202         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
10203         (QI to BLKmode splitter): New splitter.
10204
10205 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
10206
10207         * config/i386/i386.c (initial_ix86_tune_features): Turn on
10208         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
10209
10210 2010-02-22  Richard Guenther  <rguenther@suse.de>
10211
10212         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
10213
10214 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
10215
10216         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
10217         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
10218         ($(T)crti.o, $(T)crtn.o): Remove rules.
10219
10220 2010-02-21  Tobias Burnus  <burnus@net-b.de>
10221
10222         PR fortran/35259
10223         * doc/invoke.texi (-fassociative-math): Document that this
10224         option is automatically enabled for Fortran.
10225
10226 2010-02-20  David S. Miller  <davem@davemloft.net>
10227
10228         * configure.ac: Test if linker and assembler properly support
10229         GOTDATA_OP relocations.
10230         * configure: Rebuild.
10231         * config.in: Likewise.
10232         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
10233         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
10234         (movsi_high_pic): Likewise.
10235         (movdi_lo_sum_pic): Likewise.
10236         (movdi_high_pic): Likewise.
10237         (movsi_pic_gotdata_op): New pattern.
10238         (movdi_pic_gotdata_op): Likewise.
10239         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
10240         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
10241
10242 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
10243
10244         PR target/43067
10245         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
10246         attribute to ssemul.
10247         (xop_mulv2div2di3_high): Ditto.
10248
10249 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10250
10251         PR c++/35669
10252         * c.opt (Wconversion-null): New option.
10253         * doc/invoke.texi (Wconversion-null): Document.
10254
10255 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10256
10257         * common.opt (Wlarger-than-): Add Undocumented.
10258
10259 2010-02-19  Mike Stump  <mikestump@comcast.net>
10260
10261         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
10262
10263 2010-02-19  Jason Merrill  <jason@redhat.com>
10264
10265         PR target/40332
10266         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
10267         * configure: Likewise.
10268
10269 2010-02-20  Alan Modra  <amodra@gmail.com>
10270
10271         PR middle-end/42344
10272         * cgraph.h (cgraph_make_decl_local): Declare.
10273         * cgraph.c (cgraph_make_decl_local): New function.
10274         (cgraph_make_node_local): Use it.
10275         * cgraphunit.c (cgraph_function_versioning): Likewise.
10276         * ipa.c (function_and_variable_visibility): Likewise.
10277
10278 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
10279
10280         PR bootstrap/43121
10281         * except.c (sjlj_emit_function_enter): Don't call
10282         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
10283         directly.
10284         * rtl.h (add_reg_br_prob_note): Remove prototype.
10285
10286 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10287
10288         PR 41779
10289         * c-common.c (conversion_warning): Remove widening conversions
10290         before checking the conversion of integers to reals.
10291
10292 2010-02-19  Mike Stump  <mikestump@comcast.net>
10293
10294         PR middle-end/43125
10295         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
10296
10297         PR objc/43061
10298         * cgraphunit.c (process_function_and_variable_attributes): Check
10299         DECL_PRESERVE_P instead of looking up attribute "used".
10300         * ipa-pure-const.c (check_decl): Likewise.
10301         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
10302         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
10303         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
10304         instead of attribute "used".
10305         * config/sol2-c.c (solaris_pragma_init): Likewise.
10306         (solaris_pragma_fini): Likewise.
10307
10308 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
10309
10310         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
10311         Use XCNEW instead of xcalloc.
10312         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
10313         XNEW instead of xmalloc.
10314         (get_fields): Use XNEWVEC instead of xmalloc.
10315
10316         PR debug/43084
10317         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
10318         populate vars array.
10319         (create_new_general_access): For debug stmts just reset value.
10320         (get_stmt_accesses): For accesses within debug stmts just record them
10321         using add_access_to_acc_sites instead of preventing the peeling or
10322         counting them as accesses.
10323
10324         PR middle-end/42233
10325         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
10326
10327 2010-02-19  Richard Guenther  <rguenther@suse.de>
10328
10329         PR tree-optimization/42916
10330         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
10331         instructions.
10332
10333 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
10334
10335         * configure.ac: Replace all uses of changequote in macro arguments
10336         with proper quoting.
10337
10338 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
10339
10340         PR middle-end/42233
10341         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
10342
10343 2010-02-19  Richard Guenther  <rguenther@suse.de>
10344
10345         PR tree-optimization/42944
10346         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
10347         test for aliasing with errno.
10348
10349 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
10350
10351         PR middle-end/42233
10352         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
10353         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
10354         * dojump.c: Include output.h.
10355         (inv): New inline function.
10356         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
10357         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
10358         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
10359         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
10360         argument, pass it down to other calls.
10361         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
10362         add REG_BR_PROB note to the conditional jump.
10363         * cfgexpand.c (add_reg_br_prob_note): Removed.
10364         (expand_gimple_cond): Don't call it, add the probability
10365         as last argument to jumpif_1/jumpifnot_1.
10366         * Makefile.in (dojump.o): Depend on output.h.
10367         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
10368         callers.
10369         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
10370         * stmt.c (do_jump_if_equal): Likewise.
10371         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
10372         * loop-unswitch.c (compare_and_jump_seq): Likewise.
10373         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
10374         Likewise.
10375         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
10376         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
10377         jumpifnot_1 callers.
10378         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
10379         callers.
10380         (store_expr): Adjust jumpifnot caller.
10381         (store_constructor): Adjust jumpif caller.
10382
10383         PR middle-end/42233
10384         * gimplify.c (gimple_boolify): For __builtin_expect call
10385         gimple_boolify also on its first argument.
10386
10387 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
10388
10389         * configure.ac (gnu-unique-object): Wrap regexps using [] in
10390         changequote block.
10391         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
10392         * configure: Regenerated.
10393
10394 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10395
10396         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
10397         lang_hooks.types_compatible_p instead of comptypes.
10398
10399 2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>
10400
10401         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
10402         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
10403         if __prefer_thumb__ is defined.
10404
10405 2010-02-18  Martin Jambor  <mjambor@suse.cz>
10406
10407         PR tree-optimization/43066
10408         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
10409         array with zero-sized element type.
10410
10411 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
10412
10413         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
10414         rtx, allocate struct var_loc_node here and return it to the
10415         caller, and only if it is actually needed.
10416         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
10417         move it earlier and return immediately if it returns NULL.
10418
10419 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
10420
10421         * config/sparc/gas.h: New file.  Restore
10422         TARGET_ASM_NAMED_SECTION to its ELF default.
10423         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
10424         check !HAVE_GNU_AS.
10425         * config/sparc/sparc.c (sparc_elf_asm_named_section):
10426         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
10427         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
10428         after sparc/sysv4.h.
10429
10430 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10431
10432         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
10433
10434 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
10435
10436         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
10437         patterns from predicated pattern.
10438
10439 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
10440
10441         PR target/43103
10442         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
10443         for insn mnemonic suffix.
10444
10445 2010-02-17  Richard Guenther  <rguenther@suse.de>
10446
10447         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
10448         to loop PHI nodes.
10449
10450 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
10451
10452         PR debug/42918
10453         * caller-save.c (save_call_clobbered_regs): If BB ends with
10454         a DEBUG_INSN, move any notes in between last real insn and the last
10455         DEBUG_INSN after the last DEBUG_INSN.
10456
10457 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
10458
10459         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
10460         Fix return type.  Fix argument type.  Explain meaning of return value.
10461
10462 2010-02-16  Richard Guenther  <rguenther@suse.de>
10463
10464         PR tree-optimization/41043
10465         * tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
10466         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
10467         statements ...
10468         (vrp_visit_phi_node): ... but only for loop PHI nodes.
10469
10470 2010-02-16  Ira Rosen  <irar@il.ibm.com>
10471
10472         PR tree-optimization/43074
10473         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
10474         * tree-vect-loop.c (vect_analyze_loop_operations): Add
10475         vectorizable cycles in hybrid SLP check.
10476         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
10477
10478 2010-02-16  Richard Guenther  <rguenther@suse.de>
10479
10480         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
10481         (true_dependence): If memrefs_conflict_p computes must-alias
10482         trust it.  Move TBAA check after offset-based disambiguation.
10483         (canon_true_dependence): Likewise.
10484
10485 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
10486
10487         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
10488         * doc/invoke.texi: Document it.
10489         * var-tracking.c: Include toplev.h and params.h.
10490         (vt_find_locations): Return bool indicating success.  Compute
10491         hash sizes unconditionally.  Check new parameter, report.
10492         (variable_tracking_main_1): Check vt_find_locations results and
10493         retry.  Renamed from...
10494         (variable_tracking_main): ... this.  New wrapper to preserve
10495         flag_var_tracking_assignments.
10496         * Makefile.in (var-tracking.o): Adjust dependencies.
10497
10498 2010-02-16  Jack Howarth <howarth@bromo.med.uc.edu>
10499             Jakub Jelinek <jakub@redhat.com>
10500
10501         PR target/42854
10502         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
10503         if weak_import attribute is present.
10504         * config/darwin.c (machopic_select_section): Likewise.
10505
10506 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
10507
10508         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
10509         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
10510         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
10511         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
10512
10513         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
10514         types.
10515
10516         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
10517         Fix argument types.
10518
10519         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
10520         Rewrite text to refer to the names.
10521
10522 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
10523
10524         * config/i386/i386-builtin-types.def
10525         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
10526         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
10527         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
10528         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
10529         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
10530         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
10531         IX86_BUILTIN_VPERMIL2PS256.
10532         (MULTI_ARG_4_DF2_DI_I): Defined.
10533         (MULTI_ARG_4_DF2_DI_I1): Defined.
10534         (MULTI_ARG_4_SF2_SI_I): Defined.
10535         (MULTI_ARG_4_SF2_SI_I1): Defined.
10536         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
10537         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
10538         __builtin_ia32_vpermil2ps256.
10539         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
10540         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
10541         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
10542         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
10543         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
10544         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
10545         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
10546         CODE_FOR_xop_vpermil2v8sf3.
10547         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
10548         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
10549         * config/i386/xopintrin.h (_mm_permute2_pd): New.
10550         (_mm256_permute2_pd): New.
10551         (_mm_permute2_ps): New.
10552         (_mm256_permute2_ps): New.
10553
10554 2010-02-15  Nick Clifton  <nickc@redhat.com>
10555
10556         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
10557         boolean parameters.  Use emit_jump_insn when emitting a pop
10558         instruction containing a return insn.
10559         (push): Use 'true' rather than '1' as second parameter to F.
10560         (h8300_expand_prologue): Likewise.
10561         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
10562         (h8300_expand_epilogue): Likewise.
10563
10564 2010-02-15  Richard Guenther  <rguenther@suse.de>
10565
10566         PR middle-end/43068
10567         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
10568         if that is zero.
10569
10570 2010-02-15  Nick Clifton  <nickc@redhat.com>
10571
10572         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
10573         delta.
10574
10575 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
10576
10577         * intl.c (fake_ngettext): New function.
10578         * intl.h (fake_ngettext): Declare.
10579         (ngettext): Define macro.
10580         * collect2.c (notice_translated): New function.
10581         (main): Use notice_translated and ngettext.
10582         * collect2.h (notice_translated): Declare.
10583
10584 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
10585
10586         * reorg.c (delete_computation): Comment fixes.
10587         * caller-save.c (setup_save_areas): Idem.
10588         * sel-sched-dump.c (dump_lv_set): Idem.
10589         * rtl.def: Idem.
10590
10591 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10592
10593         * config/s390/s390.c (s390_sched_init): New function.
10594         (TARGET_SCHED_INIT): Target hook defined.
10595
10596 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
10597             Jack Howarth  <howarth@bromo.med.uc.edu>
10598             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
10599
10600         PR target/42982
10601         Partial revert of unintended change in fix for PR41605.
10602         * config/darwin.h: Fix typo.
10603         * config/darwin9.h: Same.
10604
10605 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
10606
10607         * c-pch.c (pch_init): Clear v.
10608
10609 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
10610
10611         PR middle-end/42930
10612         * graphite-scop-detection.c (graphite_can_represent_scev): Call
10613         graphite_can_represent_init for MULT_EXPR.
10614
10615 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
10616
10617         PR middle-end/42914
10618         PR middle-end/42530
10619         * graphite-sese-to-poly.c (remove_phi): New.
10620         (translate_scalar_reduction_to_array): Call remove_phi.
10621
10622 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
10623
10624         PR middle-end/42771
10625         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
10626         * graphite-clast-to-gimple.h (gloog): Update declaration.
10627         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
10628         * graphite-poly.h (struct poly_bb): Add missing comments.
10629         (struct scop): Add poly_scop_p field.
10630         (POLY_SCOP_P): New.
10631         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
10632         * graphite.c (graphite_transform_loops): Build the polyhedral
10633         representation for each scop before code generation.
10634         * sese.c (rename_variables_in_operand): Removed.
10635         (rename_variables_in_expr): Return the renamed expression.
10636         (rename_sese_parameters): New.
10637         * sese.h (rename_sese_parameters): Declared.
10638
10639 2010-02-11  Richard Guenther  <rguenther@suse.de>
10640
10641         PR tree-optimization/42998
10642         * tree-ssa-pre.c (create_expression_by_pieces): Treat
10643         POINTER_PLUS_EXPR properly.
10644
10645 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
10646             Changpeng Fang  <changpeng.fang@amd.com>
10647
10648         PR middle-end/40886
10649         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
10650         the cost of an IV candidate when the IV is used in a test against zero.
10651
10652         * gcc.dg/tree-ssa/ivopts-3.c: New.
10653
10654 2010-02-11  Richard Guenther  <rguenther@suse.de>
10655
10656         PR lto/41664
10657         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
10658         pointer-vs-decl case by swapping refs.  Handle some cases
10659         of pointer-vs-decl disambiguations more conservatively.
10660         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
10661         to false after expanding.
10662
10663 2010-02-11  Richard Guenther  <rguenther@suse.de>
10664
10665         PR driver/43021
10666         * gcc.c (process_command): Handle LTO file@offset case more
10667         appropriately.
10668
10669 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
10670
10671         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
10672         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
10673         of DEBUG_INSNs.
10674         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
10675
10676         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
10677         if MEM's mode size isn't DWARF2_ADDR_SIZE.
10678         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
10679         Optimize eq/ne comparisons when both arguments are known to be
10680         zero-extended.
10681         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
10682         Don't mask operands unnecessarily if they are known to be already
10683         zero-extended.
10684
10685 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
10686
10687         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
10688         instead of loop.
10689
10690 2010-02-10  Richard Guenther  <rguenther@suse.de>
10691
10692         PR tree-optimization/43017
10693         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
10694         for wrapping signed arithmetic.
10695
10696 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
10697
10698         PR debug/43010
10699         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
10700         if no debug info should be emitted for it.
10701
10702 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
10703
10704         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
10705         note when flag_exceptions is set.
10706
10707 2010-02-10  Duncan Sands  <baldrick@free.fr>
10708
10709         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
10710
10711 2010-02-10  Richard Guenther  <rguenther@suse.de>
10712
10713         PR c/43007
10714         * tree.c (get_unwidened): Handle constants.
10715         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
10716
10717 2010-02-10  Martin Jambor  <mjambor@suse.cz>
10718
10719         PR lto/42985
10720         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
10721         check for variable argument counts independently.
10722
10723 2010-02-10  Christian Bruel  <christian.bruel@st.com>
10724
10725         PR target/42841
10726         * config/sh/sh.c (find_barrier): Increase length for non delayed
10727         conditional branches.
10728
10729 2010-02-10  Christian Bruel  <christian.bruel@st.com>
10730
10731         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
10732
10733 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
10734
10735         * builtins.c (set_builtin_user_assembler_name): Also handle
10736         ffs if int is smaller than word.
10737
10738 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
10739
10740         PR middle-end/42973
10741         * ira-conflicts.c (get_dup): Remove.
10742         (process_reg_shuffles): Add new parameter.  Use it as an
10743         additional guard for copy generation.
10744         (add_insn_allocno_copies): Rewrite.
10745
10746 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
10747
10748         * common.opt (fsched2-use-traces): Preserved for backward
10749         compatibility.
10750         * doc/invoke.texi: Remove the documentation about option
10751         -fsched2-use-traces.
10752         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
10753         flag_sched2_use_traces.
10754         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
10755         the backward compatibility flag section.
10756
10757 2010-02-09  Richard Guenther  <rguenther@suse.de>
10758
10759         PR tree-optimization/43008
10760         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
10761         make HEAP variables initialized from global memory if they
10762         are not known builtin functions.
10763         (find_func_aliases): Adjust.
10764
10765 2010-02-09  Richard Guenther  <rguenther@suse.de>
10766
10767         PR tree-optimization/43000
10768         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
10769         arithmetic manually.
10770
10771 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
10772
10773         PR tree-optimization/42931
10774         * tree-loop-linear.c (try_interchange_loops): Don't call
10775         double_int_mul if estimated_loop_iterations failed.
10776
10777 2010-02-08  Martin Jambor  <mjambor@suse.cz>
10778
10779         PR middle-end/42898
10780         * tree-sra.c (build_accesses_from_assign): Do not mark in
10781         should_scalarize_away_bitmap if stmt has volatile ops.
10782         (sra_modify_assign): Do not process assigns piecemeal if if stmt
10783         has volatile ops.
10784
10785 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
10786
10787         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
10788
10789 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
10790
10791         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
10792         before the pattern.
10793
10794 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
10795
10796         PR middle-end/42946
10797         * df-core.c (df_finish_pass): Change type of saved_flags to int.
10798
10799 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
10800
10801         PR middle-end/42988
10802         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
10803         to unknown_dependence.
10804         (graphite_legal_transform_dr): Handle the unknown_dependence.
10805         (graphite_carried_dependence_level_k): Same.
10806
10807 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
10808
10809         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
10810
10811 2010-02-07  Richard Guenther  <rguenther@suse.de>
10812
10813         PR middle-end/42991
10814         * expr.c (get_inner_reference): Always initialize *pbitsize.
10815
10816 2010-02-07  Richard Guenther  <rguenther@suse.de>
10817
10818         PR middle-end/42956
10819         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
10820         new ARRAY_REFs on variable size element or minimal index arrays.
10821         Complete.
10822         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
10823         gimple_fold_indirect_ref.
10824
10825 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
10826
10827         PR target/42957
10828         * arm.c (arm_override_options): Just return if the user has specified
10829         an invalid fpu name.
10830
10831 2010-02-03  Jason Merrill  <jason@redhat.com>
10832
10833         PR c++/42870
10834         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
10835         i386_pe_maybe_record_exported_symbol.
10836
10837 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
10838
10839         PR target/42924
10840         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
10841         (pa_delegitimize_address): New function.
10842
10843 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
10844
10845         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
10846         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
10847
10848 2010-02-05  Richard Guenther  <rguenther@suse.de>
10849
10850         PR lto/42762
10851         * lto-streamer-in.c (get_resolution): Deal with references
10852         to undefined functions.
10853
10854 2010-02-05  Richard Guenther  <rguenther@suse.de>
10855
10856         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
10857         (fold_const_aggregate_ref): Likewise.
10858         (ccp_fold_stmt): Substitute loads.
10859         (maybe_fold_reference): Verify types before substituting.
10860         Unshare properly.
10861         (fold_gimple_assign): Unshare properly.
10862         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
10863
10864 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
10865
10866         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
10867         for rs6000_gen_cell_microcode.
10868
10869 2010-02-04  Richard Guenther  <rguenther@suse.de>
10870
10871         PR rtl-optimization/42952
10872         * dse.c (const_or_frame_p): Remove MEM handling.
10873
10874 2010-02-04  Nick Clifton  <nickc@redhat.com>
10875
10876         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
10877         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
10878         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
10879         (mn10300_asm_output_mi_thunk): New function.
10880         (mn10300_can_output_mu_thunk): New function.
10881         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
10882         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
10883         (FUNCTION_ARG): Delete incorrect comment.
10884
10885 2010-02-03  Jason Merrill  <jason@redhat.com>
10886
10887         PR c++/40138
10888         * fold-const.c (operand_equal_p): Handle erroneous types.
10889
10890 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
10891
10892         * config/h8300/h8300.md (can_delay): Fix attibute condition.
10893
10894 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10895
10896         PR rtl-optimization/42941
10897         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
10898         of xmalloc.
10899
10900 2010-02-03  Jason Merrill  <jason@redhat.com>
10901
10902         PR c++/35652
10903         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
10904
10905 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
10906
10907         PR debug/42896
10908         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
10909         (cselib_reset_table): Renamed from...
10910         (cselib_reset_table_with_next_value): ... this.
10911         (cselib_get_next_uid): Renamed from...
10912         (cselib_get_next_unknown_value): ... this.
10913         * cselib.c (next_uid): Renamed from...
10914         (next_unknown_value): ... this.
10915         (cselib_clear_table): Adjust.
10916         (cselib_reset_table): Adjust.  Renamed from...
10917         (cselib_reset_table_with_next_value): ... this.
10918         (cselib_get_next_uid): Adjust.  Renamed from...
10919         (cselib_get_next_unknown_value): ... this.
10920         (get_value_hash): Use hash.
10921         (cselib_hash_rtx): Likewise.
10922         (new_cselib_val): Adjust.  Set and dump uid.
10923         (cselib_lookup_mem): Pass next_uid as hash.
10924         (cselib_subst_to_values): Likewise.
10925         (cselib_log_lookup): Dump uid.
10926         (cselib_lookup): Pass next_uid as hash.  Adjust.
10927         (cselib_process_insn): Adjust.
10928         (cselib_init): Initialize next_uid.
10929         (cselib_finish): Adjust.
10930         (dump_cselib_table): Likewise.
10931         * dse.c (canon_address): Dump value uid.
10932         * print-rtl.c (print_rtx): Print value uid.
10933         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
10934         (dvuid): New type.
10935         (dv_uid): New function, sort of renamed from...
10936         (dv_htab_hash): ... this, reimplemented in terms of it and...
10937         (dv_uid2hash): ... this.  New.
10938         (variable_htab_eq): Drop excess assertions.
10939         (tie_break_pointers): Removed.
10940         (canon_value_cmp): Compare uids.
10941         (variable_post_merge_New_vals): Print uids.
10942         (vt_add_function_parameters): Adjust.
10943         (vt_initialize): Reset table.  Adjust.
10944
10945 2010-02-03  Richard Guenther  <rguenther@suse.de>
10946
10947         PR tree-optimization/42944
10948         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
10949         (call_may_clobber_ref_p_1): Likewise.  Properly handle
10950         malloc and calloc clobbering errno.
10951
10952 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
10953
10954         * doc/invoke.texi: Fix name of sched1 dump.
10955
10956         * opts.c (decode_options): Set flag_tree_switch_conversion
10957         only conditionally on optimize >= 2.
10958
10959         * gcse.c: Assorted comment fixes in pass description.
10960
10961 2010-02-03  Anthony Green  <green@moxielogic.com>
10962
10963         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
10964         nop padding in order to maintain alignment of storage location of
10965         target function address.
10966         (moxie_trampoline_init): Store target function address at newly
10967         aligned location.
10968         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
10969         to 32.
10970         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
10971
10972 2010-02-03  Richard Guenther  <rguenther@suse.de>
10973
10974         PR middle-end/42927
10975         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
10976
10977 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10978
10979         * config.gcc: Reenable check for obsolete targets.
10980         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
10981         mips-sgi-irix6.[0-4]*.
10982
10983 2010-02-02  Nick Clifton  <nickc@redhat.com>
10984
10985         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
10986         constant size of 4 as being the same as 0.
10987         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
10988         can take values in the range 0..4.
10989
10990 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
10991
10992         PR java/41991
10993         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
10994         as _darwin10_Unwind_FindEnclosingFunction().
10995         * libgcc-libsystem.ver: New.
10996
10997 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
10998
10999         PR target/41399
11000         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
11001         implicitly set registers.
11002
11003 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
11004
11005         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
11006         (arm_override_options): Allow automatic selection of the thread
11007         pointer register if thumb2.
11008         (legitimize_pic_address): Improve code sequences for Thumb2.
11009         (arm_call_tls_get_addr): Likewise.
11010         (legitimize_tls_address): Likewise.
11011         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
11012         (pic_load_addr_32bit): ... this.  New named pattern.
11013         * thumb2.md (pic_load_addr_thumb2): Delete.
11014         (pic_load_dot_plus_four): Delete.
11015         (tls_load_dot_plus_four): New named pattern.
11016
11017 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11018
11019         PR libgomp/29986
11020         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
11021         Document fix for TLS bug.
11022
11023 2010-01-31  Richard Guenther  <rguenther@suse.de>
11024
11025         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
11026         conservatively correct.
11027
11028 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11029
11030         PR target/42850
11031         Revert:
11032         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11033
11034         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
11035
11036 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11037
11038         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
11039
11040 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
11041
11042         * config.gcc: Adjust order of makefile fragments for mingw targets.
11043
11044 2010-01-31  Richard Guenther  <rguenther@suse.de>
11045
11046         PR middle-end/42898
11047         * gimplify.c (gimplify_init_constructor): For volatile LHS
11048         initialize a temporary.
11049
11050 2010-01-31  Matthias Klose  <doko@ubuntu.com>
11051
11052         * configure.ac: Fix __stack_chk_fail check for cross builds configured
11053         --with-headers
11054         * configure: Regenerate.
11055
11056 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
11057
11058         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
11059         the same alias set and their sizes different constantness.
11060         (aliasing_component_refs_p): Revert 2009-10-24 change.
11061
11062 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11063
11064         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
11065         unused.
11066
11067 2010-01-29  Richard Guenther  <rguenther@suse.de>
11068
11069         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
11070         Assert we successfully updated the call.
11071
11072 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
11073
11074         PR rtl-optimization/42889
11075         * df.h (df_set_bb_dirty_nonlr): New prototype.
11076         * df-core.c (df_set_bb_dirty_nonlr): New function.
11077         * df-scan.c (df_insn_rescan): Call it instead of
11078         df_set_bb_dirty for DEBUG_INSNs.
11079
11080 2010-01-29  Richard Guenther  <rguenther@suse.de>
11081
11082         PR middle-end/37448
11083         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
11084         quadratic behavior in most cases.
11085
11086 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
11087
11088         PR target/42891
11089         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
11090         in the call to gen_x86_movsicc_0_m1.
11091
11092 2010-01-28  Richard Guenther  <rguenther@suse.de>
11093
11094         PR tree-optimization/42871
11095         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
11096
11097 2010-01-28  Richard Guenther  <rguenther@suse.de>
11098
11099         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
11100         into call arguments.
11101
11102 2010-01-28  Richard Guenther  <rguenther@suse.de>
11103
11104         PR middle-end/42883
11105         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
11106         the forwarder if the destination is an EH landing pad.
11107
11108 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
11109
11110         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
11111         block list passed to gimple_duplicate_sese_tail.
11112         (parallelize_loops): Avoid parallelization when the function
11113         has_nonlocal_label.
11114         Avoid parallelization when the preheader is IRREDUCIBLE.
11115         Try to optimize when estimated_loop_iterations_int is unresolved.
11116         Add the loop's location to the dump file.
11117         * tree-cfg.c (add_phi_args_after_redirect): Remove.
11118         (gimple_duplicate_sese_tail): Remove the check for the latch.
11119         Redirect nexits to the exit block.
11120         Remove handling of the incoming edges to the latch.
11121         Redirect the backedge from the copied latch to the exit bb.
11122
11123 2010-01-28  Michael Matz  <matz@suse.de>
11124
11125         PR target/42881
11126         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
11127         Wrap force_reg into a sequence, emit it before user.
11128
11129 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
11130
11131         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
11132         (arm_rev): New.
11133         (arm_legacy_rev): Likewise.
11134         (thumb_legacy_rev): Likewise.
11135
11136 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
11137
11138         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
11139         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
11140         on MEM's address failed, try avoid_constant_pool_reference and
11141         recurse if it returned something different.
11142         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
11143         address, try avoid_constant_pool_reference and recurse if it
11144         returned something different.
11145         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
11146         address and avoid_constant_pool_reference returned something
11147         different, don't set have_address.
11148
11149 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
11150
11151         PR debug/42861
11152         * var-tracking.c (val_store): Add modified argument, obey it.
11153         Adjust callers.
11154         (count_uses): Move down logging of main.
11155         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
11156         don't need resolution.
11157         (emit_notes_in_bb): Likewise.
11158
11159 2010-01-27  Richard Guenther  <rguenther@suse.de>
11160
11161         PR middle-end/42878
11162         * tree-inline.c (remap_decl): Delay remapping of SSA name
11163         default definitions until we need them.
11164
11165 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
11166
11167         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
11168         (rs6000_delegitimize_address): New function.
11169
11170         * config/s390/s390.c (s390_delegitimize_address): Call
11171         delegitimize_mem_from_attrs.
11172
11173         PR middle-end/42874
11174         * tree-inline.c (cannot_copy_type_1): Removed.
11175         (copy_forbidden): Don't forbid copying of functions containing
11176         records/unions with variable length fields.
11177
11178 2010-01-27  Christian Bruel  <christian.bruel@st.com>
11179
11180         Revert:
11181         PR target/42841
11182         * config/sh/sh.c (find_barrier): Increase length for non delayed
11183         conditional branches.
11184
11185 2010-01-27  Matthias Klose  <doko@ubuntu.com>
11186
11187         * configure.ac (gnu-unique-object): Fix ldd version check.
11188         * configure: Regenerate.
11189
11190 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11191
11192         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
11193         HAVE_GNU_AS value.
11194         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
11195         Test for HAVE_GNU_AS value.
11196
11197 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11198
11199         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
11200         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
11201         INT64_TYPE): Define.
11202         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
11203         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
11204         INT_LEAST64_TYPE): Define.
11205         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
11206         UINT_LEAST64_TYPE): Define.
11207         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
11208         INT_FAST64_TYPE): Define.
11209         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
11210         UINT_FAST64_TYPE): Define.
11211         (INTMAX_TYPE, UINTMAX_TYPE): Define.
11212         (INTPTR_TYPE, UINTPTR_TYPE): Define.
11213         (SIG_ATOMIC_TYPE): Define.
11214
11215 2010-01-26  Richard Guenther  <rguenther@suse.de>
11216
11217         * df-scan.c (df_scan_set_bb_info): Remove assert.
11218         (df_insn_rescan_debug_internal): Merge asserts.
11219         (df_install_ref): Likewise.
11220         (df_mark_reg): Use bitmap_set_range.
11221         (df_hard_reg_used_p): Remove assert.
11222         (df_hard_reg_used_count): Likewise.
11223
11224 2010-01-26  Richard Guenther  <rguenther@suse.de>
11225
11226         PR rtl-optimization/42685
11227         * web.c (web_main): Ignore DEBUG_INSNs.
11228
11229 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
11230
11231         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
11232
11233         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
11234         Fix types of fndecl and arglist parameters.
11235
11236 2010-01-26  Richard Guenther  <rguenther@suse.de>
11237
11238         PR middle-end/42806
11239         * tree-eh.c (unsplit_eh): Skip debug insns.
11240
11241 2010-01-26  Richard Guenther  <rguenther@suse.de>
11242
11243         PR tree-optimization/42250
11244         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
11245
11246 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
11247
11248         PR fortran/42866
11249         * omp-low.c (expand_omp_sections): Only use single_pred if
11250         l2_bb is single_pred_p.
11251
11252 2010-01-25  Christian Bruel  <christian.bruel@st.com>
11253
11254         PR target/42841
11255         * config/sh/sh.c (find_barrier): Increase length for non delayed
11256         conditional branches.
11257         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
11258
11259 2010-01-24  David S. Miller  <davem@davemloft.net>
11260
11261         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
11262         define if not using GAS.
11263         * config/sparc/sparc.c (sparc_elf_asm_named_section):
11264         Likewise.  Delete SECTION_MERGE code, which is only applicable
11265         when using GAS.
11266
11267 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
11268
11269         PR c++/42748
11270         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
11271         mangling of va_list in system headers.
11272
11273 2010-01-23  Toon Moene  <toon@moene.org>
11274
11275         * tree-predcom.c (combine_chains): Return NULL, not false.
11276
11277 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
11278
11279         * tree-loop-distribution.c (distribute_loop): Fix declaration and
11280         initialization of variable res to agree with return type.
11281
11282 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
11283
11284         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
11285         * tree-sra.c: Add include of expr.h.
11286
11287 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
11288
11289         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
11290         insert the debug stmt on the single non-EH edge from the stmt.
11291
11292 2010-01-22  Richard Henderson  <rth@redhat.com>
11293
11294         PR tree-opt/42833
11295         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
11296         the RHS until after generate_subtree_copies has insertted its
11297         code before the current statement.
11298
11299 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
11300
11301         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
11302
11303         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
11304
11305 2010-01-21  Martin Jambor  <mjambor@suse.cz>
11306
11307         PR tree-optimization/42585
11308         * tree-sra.c (struct access): New field grp_total_scalarization.
11309         (dump_access): Dump the new field.
11310         (should_scalarize_away_bitmap): New variable.
11311         (cannot_scalarize_away_bitmap): Likewise.
11312         (sra_initialize): Allocate new bitmaps.
11313         (sra_deinitialize): Free new bitmaps.
11314         (create_access_1): New function.
11315         (create_access): Parts moved to create_access_1.
11316         (type_consists_of_records_p): New function.
11317         (completely_scalarize_record): Likewise.
11318         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
11319         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
11320         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
11321         access.
11322         (analyze_all_variable_accesses): Completely scalarize small eligible
11323         records.
11324
11325 2010-01-21  Martin Jambor  <mjambor@suse.cz>
11326
11327         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
11328
11329 2010-01-21  Andrew Haley  <aph@redhat.com>
11330
11331         * gcc.c (process_command): Move lang_specific_driver before
11332         setting cc_libexec_prefix.
11333
11334 2010-01-21  Richard Guenther  <rguenther@suse.de>
11335
11336         PR middle-end/19988
11337         * fold-const.c (negate_expr_p): Pretend only negative
11338         real constants are easily negatable.
11339
11340 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
11341             Jason Merrill  <jason@redhat.com>
11342
11343         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
11344         (TYPE_TRANSPARENT_AGGR): this, for union and record.
11345         * calls.c (initialize argument_information): Handle it.
11346         * c-common.c (handle_transparent_union_attribute): Use new name.
11347         * c-decl.c (finish_struct): Ditto.
11348         * c-typeck.c (type_lists_compatible_p): Ditto.
11349         (convert_for_assignment): Use new name and also handle record.
11350         * function.c (aggregate_value_p): Handle it.
11351         (pass_by_reference): Ditto.
11352         (assign_parm_data_types): Ditto.
11353         * print-tree.c (print_node): Ditto.
11354         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
11355         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
11356         * tree.c (first_field): New fn.
11357
11358 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11359
11360         PR target/42818
11361         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
11362         even when linking statically, for now.
11363
11364 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
11365
11366         PR debug/42715
11367         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
11368         without a cselib val.
11369         (count_uses): Accept MO_VAL_SET with no val on stores.
11370         (add_stores): Likewise.
11371
11372 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
11373
11374         * var-tracking.c (check_value_val): Add a compile time assertion.
11375         (dv_is_decl_p): Simplify.
11376         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
11377         gcc_assert if ENABLE_CHECKING.
11378
11379 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
11380
11381         PR debug/42782
11382         * var-tracking.c: Include tree-flow.h.
11383         (mem_dies_at_call): New.
11384         (dataflow_set_preserve_mem_locs): Use it.
11385         (dataflow_set_remove_mem_locs): Likewise.
11386         (dump_var): Renamed from dump_variable.  Adjust all callers.
11387         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
11388         * Makefile.in (var-tracking.o): Adjust deps.
11389
11390 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
11391
11392         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
11393
11394 2010-01-20  Richard Guenther  <rguenther@suse.de>
11395
11396         PR tree-optimization/42717
11397         * tree-ssa-dce.c (get_live_post_dom): Remove.
11398         (forward_edge_to_pdom): Take an arbitrary edge to copy
11399         degenerate PHI args from.
11400         (remove_dead_stmt): Use the first post-dominator even if it
11401         does not contain live statements as redirection destination.
11402
11403 2010-01-20  Richard Guenther  <rguenther@suse.de>
11404
11405         * tree-inline.c (estimate_num_insns): Handle EH builtins.
11406
11407 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
11408
11409         * sel-sched.c (create_speculation_check): Remove set but not used
11410         variable twin.
11411         (try_transformation_cache): Remove set but not used variable ds.
11412         (calculate_privileged_insns): Remove set but not used variables
11413         cur_insn and min_spec_insn.
11414         (find_best_expr): Remove set but not used variable avail_n.
11415         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
11416         variable e.
11417         * cgraphunit.c (assemble_thunk): Remove set but not used variable
11418         false_label.
11419         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
11420         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
11421         new_scop_exit_edge.
11422
11423 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
11424
11425         PR bootstrap/42786
11426         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
11427         cpu types.  Add support for *-sse3 cpu types.
11428         (x86_64-*-*): Ditto.
11429
11430 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
11431
11432         PR middle-end/42803
11433         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
11434         argument, call initializer_constant_valid_p_1 instead of
11435         initializer_constant_valid_p, pass CACHE to it, return NULL
11436         immediately if first call returns NULL.
11437         (initializer_constant_valid_p_1): New function.
11438         (initializer_constant_valid_p): Use it.
11439
11440 2010-01-20  Thomas Quinot  <quinot@adacore.com>
11441
11442         * tree.def (PLACEHOLDER_EXPR): Fix comment.
11443
11444 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
11445
11446         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
11447         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
11448         (loc_list_from_tree): Don't handle unsigned division.  Handle
11449         signed modulo using DW_OP_{over,over,div,mul,minus}.
11450         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
11451         modulo instead of signed.
11452
11453 2010-01-20  DJ Delorie  <dj@redhat.com>
11454
11455         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
11456         (Fpa): Pass it
11457         (h8300_emit_stack_adjustment): Propogate it.
11458         (push): Pass it.
11459         (h8300_expand_prologue): Likewise.
11460         (h8300_expand_epilogue): Likewise.
11461
11462 2010-01-19  Michael Matz  <matz@suse.de>
11463
11464         PR tree-optimization/41783
11465         * tree-data-ref.c (toplevel): Include flags.h.
11466         (dump_data_dependence_relation):  Also dump the inputs if the
11467         result will be unknown.
11468         (split_constant_offset_1): Look through some conversions.
11469         * tree-predcom.c (determine_roots_comp): Restart a new chain if
11470         the offset from last element is too large.
11471         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
11472         (reassociate_to_the_same_stmt): Handle vector registers.
11473         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
11474         (e.g. conversions).
11475         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
11476         wide_prolog_niters argument, emit widening instructions.
11477         (vect_do_peeling_for_alignment): Adjust caller, use widened
11478         variant of the iteration cound.
11479         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
11480
11481 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11482
11483         PR target/38697
11484         * config/arm/neon-testgen.m (emit_automatics): New parameter
11485         features. Adjust for Fixed_return_reg feature.
11486         (test_intrinsic): Call emit_automatics with new feature.
11487         * config/arm/neon.ml: Update copyright years.
11488         (features): New Fixed_return_reg feature.
11489         (ops): Update feature for Vget_low.
11490
11491 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
11492
11493         PR tree-optimization/42719
11494         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
11495         stmt uses.
11496
11497         PR debug/42728
11498         * fwprop.c (all_uses_available_at): Return false if def_set dest
11499         is a REG that is used in def_insn.
11500
11501 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
11502
11503         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
11504
11505         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
11506         Add argument names.
11507
11508         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
11509
11510         * target.h (struct gcc_target) <secondary_reload>: Change type
11511         of last argument to secondary_reload_info *.
11512
11513 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
11514
11515         PR target/42774
11516         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
11517         memory references with unaligned offsets.  Remove CQImode handling.
11518         (unaligned_memory_operand): Return 1 for memory references with
11519         unaligned offsets.  Remove CQImode handling.
11520
11521 2010-01-18  Richard Guenther  <rguenther@suse.de>
11522
11523         PR middle-end/39954
11524         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
11525         builtin calls.
11526
11527 2010-01-18  Richard Guenther  <rguenther@suse.de>
11528
11529         PR tree-optimization/42781
11530         * tree-ssa-structalias.c (find_what_var_points_to): Skip
11531         restrict processing only if the original variable was artificial.
11532
11533 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
11534
11535         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
11536         find number of popped argument bytes.
11537
11538         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
11539         Fix the text that describes the return value for invalid insns.
11540
11541         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
11542
11543         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
11544         Clarify what 'cost of the -dependence' is.  Fix quoting.
11545
11546         * toplev.c (default_get_pch_validity): Rename argument to "sz".
11547         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
11548
11549 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
11550
11551         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
11552         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
11553
11554 2010-01-17  Richard Guenther  <rguenther@suse.de>
11555
11556         PR middle-end/42248
11557         * function.c (split_complex_args): Take a VEC to modify.
11558         (assign_parms_augmented_arg_list): Build a VEC instead of
11559         a chain of PARM_DECLs.
11560         (assign_parms_unsplit_complex): Take a VEC of arguments.
11561         Do not fixup unmodified parms.
11562         (assign_parms): Deal with the VEC.
11563         (gimplify_parameters): Likewise.
11564
11565 2010-01-17  Richard Guenther  <rguenther@suse.de>
11566
11567         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
11568         node existence check.
11569         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
11570         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
11571         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
11572         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
11573         (gimple_execute_on_growing_pred): Likewise.
11574
11575 2010-01-17  Richard Guenther  <rguenther@suse.de>
11576
11577         PR tree-optimization/42773
11578         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
11579         (compute_antic_aux): Likewise.
11580         (compute_partial_antic_aux): Likewise.
11581
11582 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
11583
11584         PR debug/42767
11585         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
11586         and US_TRUNCATE.
11587
11588 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
11589
11590         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
11591         appearance.
11592
11593         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
11594         Fix markup for strict argument.
11595
11596         (TARGET_SCHED_REORDER2): Fix argument types.
11597
11598         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
11599         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
11600
11601         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
11602         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
11603
11604         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
11605         Add argument name.
11606
11607         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
11608         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
11609         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
11610         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
11611         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
11612
11613         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
11614
11615         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
11616
11617         (TARGET_ASM_RELOC_RW_MASK): Add return type.
11618         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
11619
11620         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
11621
11622         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
11623         Use prototype.
11624
11625         (TARGET_ASM_NAMED_SECTION): Fix argument list.
11626
11627         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
11628         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
11629
11630         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
11631
11632         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
11633
11634         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
11635         referring to it.  Fix language.
11636
11637         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
11638
11639         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
11640
11641         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
11642
11643         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
11644
11645         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
11646         '@var{stream}.  Remove stray 'and'.
11647
11648         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
11649
11650         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
11651
11652         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
11653
11654         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
11655         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
11656
11657         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
11658         Fix description of return value.
11659         Rename argument "sz" to "len."
11660
11661         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
11662         Clarify meaning of 'true' return value.
11663
11664         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
11665
11666         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
11667         rep_mode versus mode_rep.
11668
11669         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
11670
11671         (TARGET_BUILTIN_DECL): Fix name.
11672
11673         (TARGET_COMMUTATIVE_P): Fix type of first argument.
11674
11675         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
11676
11677         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
11678
11679         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
11680
11681         (TARGET_RELAXED_ORDERING): Use @deftypevr.
11682
11683         (TARGET_GET_DRAP_RTX): Note that this is a hook.
11684         Clarify language.
11685
11686         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
11687         Rename argument tm_fn to md_fn.
11688
11689         (TARGET_OPTION_PRINT): Fix argument list.
11690
11691 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
11692
11693         PR target/42664
11694         * config/i386/i386.c (ix86_fixup_binary_operands):
11695         Revert FMA4 fixup of operands.
11696
11697 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11698
11699         PR gcc/42525
11700         * Makefile.in (write_entries_to_file, install-plugin):
11701         Use \012 instead of \n with tr.
11702
11703 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
11704
11705         * configure.ac (HAVE_AS_REF): New C macro.
11706         * configure: Regenerate.
11707         * config.in: Likewise.
11708         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
11709         if HAVE_AS_REF.
11710         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
11711         if HAVE_AS_REF.
11712
11713 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
11714
11715         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
11716
11717         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
11718
11719         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
11720
11721         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
11722
11723         (TARGET_IN_SMALL_DATA_P): Fix argument type.
11724
11725         (TARGET_BINDS_LOCAL_P): Fix argument type.
11726
11727         (TARGET_ASM_FILE_END): Use prototype.
11728
11729         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
11730
11731         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
11732
11733         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
11734
11735         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
11736
11737         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
11738         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
11739
11740         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
11741         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
11742
11743         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
11744         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
11745         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
11746         (TARGET_ADDR_SPACE_CONVERT): Likewise.
11747
11748         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
11749
11750         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
11751
11752         (TARGET_INIT_BUILTINS): Use prototype.
11753
11754         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
11755         Put 'const char *' in braces.  Fix parameter types.
11756         (TARGET_INVALID_CONVERSION): Fix parameter types.
11757         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
11758         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
11759
11760         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
11761         Fix argument type.
11762
11763         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
11764
11765         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
11766
11767 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
11768
11769         * doc/tm.texi (TARGET_HELP): Fix return type.
11770
11771         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
11772         in braces.  Fix argument types.
11773
11774         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
11775
11776         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
11777
11778         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
11779
11780         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
11781         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
11782
11783         (TARGET_MANGLE_TYPE): Fix argument types.
11784
11785         (TARGET_IRA_COVER_CLASSES): Use prototype.
11786
11787         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
11788
11789         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
11790
11791         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
11792
11793         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
11794
11795         (TARGET_CALLEE_COPIES): Fix argument types.
11796
11797         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
11798
11799         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
11800
11801         (TARGET_FUNCTION_VALUE): Fix argument types.
11802
11803         (TARGET_RETURN_IN_MSB): Fix argument type.
11804
11805         (TARGET_RETURN_IN_MEMORY): Fix argument types.
11806
11807         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
11808
11809         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
11810
11811         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
11812         agree with return type.
11813
11814         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
11815
11816 2010-01-15  Jing Yu  <jingyu@google.com>
11817
11818         PR rtl-optimization/42691
11819         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
11820         a pseudo to a constant and are merged, and adjust comments.
11821
11822 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
11823
11824         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
11825
11826 2010-01-15  Richard Guenther  <rguenther@suse.de>
11827
11828         PR middle-end/42739
11829         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
11830         labels of computed or non-local gotos to the destination.
11831         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
11832         landing pad label is the first label.
11833
11834 2010-01-15  Richard Guenther  <rguenther@suse.de>
11835
11836         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
11837
11838 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
11839
11840         PR target/42747
11841         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
11842         to allow generation of the xssqrtdp instruction on power7.
11843         (sqrtdf2_fpr): Ditto.
11844
11845 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
11846
11847         PR middle-end/42674
11848         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
11849         functions with noreturn attribute.
11850
11851         PR c++/42608
11852         * varasm.c (declare_weak): Add weak attribute to decl if it
11853         doesn't have one already.
11854         (assemble_external): Only add decls to weak_decls if they also
11855         have weak attribute.
11856
11857 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
11858
11859         * var-tracking.c (var_reg_delete): Don't delete the association
11860         between REGs and values or one-part variables if the register
11861         isn't clobbered.
11862
11863 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
11864
11865         PR debug/42657
11866         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
11867         because its first operand is a non-localized variable.
11868
11869 2010-01-14  Martin Jambor  <mjambor@suse.cz>
11870
11871         PR tree-optimization/42706
11872         * tree-sra.c (encountered_recursive_call): New variable.
11873         (encountered_unchangable_recursive_call): Likewise.
11874         (sra_initialize): Initialize both new variables.
11875         (callsite_has_enough_arguments_p): New function.
11876         (scan_function): Call decl and flags check only for IPA-SRA, check
11877         whether there is a recursive call and whether it has enough arguments.
11878         (all_callers_have_enough_arguments_p): New function.
11879         (convert_callers): Look for recursive calls only when
11880         encountered_recursive_call is set.
11881         (ipa_early_sra): Bail out either if
11882         !all_callers_have_enough_arguments_p or
11883         encountered_unchangable_recursive_call.
11884
11885 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11886
11887         * sel-sched.c: Add 2010 to copyright years.
11888         * sel-sched-ir.c: Likewise.
11889         * sel-sched-ir.h: Likewise.
11890
11891 2010-01-14  Martin Jambor  <mjambor@suse.cz>
11892
11893         PR tree-optimization/42714
11894         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
11895         constructors specially.
11896
11897 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11898
11899         * config/i386/drivers-i386.c (detect_caches_intel):
11900         Add l2sizekb parameter and fill in.
11901         (host_detect_local_cpu): Add l2sizekb, fill in.
11902         Add Atom small cache heuristic.
11903
11904 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11905
11906         * config/i386/drivers-i386.c (detect_caches_cpuid4):
11907         Add level3 parameter and fill in.
11908         (detect_caches_intel): Handle level3 cache.
11909
11910 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11911
11912         * config/i386/drivers-i386.c (host_detect_local_cpu):
11913         Fix core duo detection.
11914
11915 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11916
11917         * config/i386/drivers-i386.c (host_detect_local_cpu):
11918         Fix Atom detection.
11919
11920 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11921
11922         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
11923         (rs6000_variable_issue_1): this.  Use...
11924         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
11925
11926 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11927
11928         * sel-sched-ir.c (sel_restore_other_notes): Rename to
11929         sel_restore_notes.  Update all callers.  Call reemit_notes
11930         for all insns.
11931
11932 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11933
11934         PR rtl-optimization/42246
11935         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
11936         loops.
11937
11938 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11939
11940         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
11941         all successors is the same as number of successors in current region.
11942
11943 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11944
11945         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
11946         to rename is not separable.  Otherwise check that its LHS is not NULL.
11947
11948 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11949
11950         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
11951
11952 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11953
11954         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
11955         available registers when failed to discover LHS register class.
11956         Fix indentation.  Update comment.
11957
11958 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11959             Alexander Monakov  <amonakov@ispras.ru>
11960
11961         PR rtl-optimization/42389
11962         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
11963         to can_issue_more.
11964         (advance_state_on_fence): Likewise.
11965         (sel_target_adjust_priority): Print debug output only when
11966         sched_verbose >= 4, not 2.
11967         (get_expr_cost): Do not issue all unique insns on the next cycle.
11968         (fill_insns): Initialize can_issue_more from the value saved
11969         with the fence.
11970         * sel-sched-ir.c (flist_add): New parameter issue_more.
11971         Init FENCE_ISSUE_MORE with it.
11972         (merge_fences): Likewise.
11973         (init_fences): Update call to flist_add.
11974         (add_to_fences, add_clean_fence_to_fences)
11975         (add_dirty_fence_to_fences): Likewise.
11976         (move_fence_to_fences): Update call to merge_fences.
11977         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
11978         sched groups.
11979         * sel-sched-ir.h (struct _fence): New field issue_more.
11980         (FENCE_ISSUE_MORE): New accessor macro.
11981
11982 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11983
11984         PR rtl-optimization/42388
11985         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
11986         that have no predecessors nor successors.  Do not call move_bb_info
11987         for empty blocks outside of current region.
11988
11989 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11990
11991         PR rtl-optimization/42294
11992         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
11993         * sel-sched.c (move_exprs_to_boundary): Transitively add all
11994         originators' originators.
11995
11996 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11997
11998         PR rtl-optimization/39453
11999         PR rtl-optimization/42246
12000         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
12001         for pipelining_p.
12002         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
12003
12004 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
12005             Alexander Monakov  <amonakov@ispras.ru>
12006
12007         PR middle-end/42245
12008         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
12009         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
12010         argument.  Update all callers.
12011         (tidy_control_flow): ... and here.  Recompute topological order
12012         of basic blocks in region if necessary.
12013         (sel_redirect_edge_and_branch): Change return type.  Return true
12014         if topological order might have been invalidated.
12015         (purge_empty_blocks): Export and move from...
12016         * sel-sched.c (purge_empty_blocks): ... here.
12017         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
12018         (maybe_tidy_empty_bb): Delete prototype.
12019         (purge_empty_blocks): Declare.
12020
12021 2010-01-14  Andrey Belevantsev <abel@ispras.ru>
12022
12023         PR rtl-optimization/42249
12024         * sel-sched.c (try_replace_dest_reg): When chosen register
12025         and original register is the same, do not bail out early, but
12026         still check all original insns for validity of replacing destination
12027         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
12028         in this case.
12029
12030 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
12031
12032         PR c/42721
12033         Port from no-undefined-overflow branch:
12034         2009-03-09  Richard Guenther  <rguenther@suse.de>
12035
12036         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
12037
12038 2010-01-14  Richard Guenther  <rguenther@suse.de>
12039
12040         PR lto/42665
12041         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
12042
12043 2010-01-14  Ira Rosen  <irar@il.ibm.com>
12044
12045         PR tree-optimization/42709
12046         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
12047         as scalar type in creation of constant vector operand.
12048
12049 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12050
12051         PR testsuite/42414
12052         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
12053         (check-parallel-%): Match `testsuite' directory component only
12054         at the end.
12055
12056 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
12057
12058         PR translation/39521
12059         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
12060         strings with _().
12061
12062 2010-01-13  Richard Guenther  <rguenther@suse.de>
12063
12064         PR tree-optimization/42730
12065         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
12066         offset zero.
12067
12068 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
12069
12070         PR target/pr42542
12071         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
12072         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
12073         them signed.
12074
12075 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12076
12077         * config/bfin/libgcc-bfin.ver: Regenerate based on current
12078         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
12079         ___umulsi3_highpart.
12080
12081         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
12082         rather than schedule_insns if the pass is enabled.
12083
12084 2010-01-13  Martin Jambor  <mjambor@suse.cz>
12085
12086         PR tree-optimization/42704
12087         * tree-sra.c (sra_modify_assign): Do not delete assignments to
12088         SSA_NAMEs.
12089
12090 2010-01-13  Martin Jambor  <mjambor@suse.cz>
12091
12092         PR tree-optimization/42703
12093         * tree-sra.c (analyze_access_subtree): Check that we can build a
12094         reference to the original data within the aggregate.
12095
12096 2010-01-13  Richard Guenther  <rguenther@suse.de>
12097
12098         PR tree-optimization/42705
12099         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
12100
12101 2010-01-13  Richard Guenther  <rguenther@suse.de>
12102
12103         PR middle-end/42716
12104         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
12105
12106 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
12107
12108         PR debug/41371
12109         * var-tracking.c (values_to_unmark): New variable.
12110         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
12111         values_to_unmark vector.  Moved body to...
12112         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
12113         instead queue it into values_to_unmark vector.
12114         (vt_find_locations): Free values_to_unmark vector.
12115
12116 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
12117
12118         * config/s390/s390.c (override_options): Set
12119         default of max-pending-list-length to 256
12120
12121 2010-01-13  Richard Guenther  <rguenther@suse.de>
12122
12123         PR lto/42678
12124         * tree-pass.h (PROP_gimple_lcx): New.
12125         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
12126         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
12127         before the final cleanup_eh.
12128         (dump_properties): Dump PROP_gimple_lcx.
12129         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
12130         (tree_lower_complex_O0): Remove.
12131         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
12132         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
12133         tree_lower_complex, schedule TODO_update_ssa.
12134         * lto-streamer-out.c (output_function): Stream the functions
12135         properties.
12136         * lto-streamer-in.c (input_function): Likewise.
12137         (lto_read_body): Do not override them here.
12138
12139 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
12140
12141         PR c/42708
12142         * c-typeck.c (build_c_cast): Fold value cast to union type before
12143         wrapping it in a CONSTRUCTOR.
12144
12145 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
12146
12147         PR rtl-optimization/42699
12148         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
12149         involved.
12150
12151 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12152
12153         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
12154         SUBTARGET_WARN_UNUSED_SPEC): Move ...
12155         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
12156         SUBTARGET_WARN_UNUSED_SPEC): ... here
12157         * config/mips/iris5.h (LIBGCC_SPEC): Define.
12158
12159 2010-01-12  Julian Brown  <julian@codesourcery.com>
12160
12161         * config/arm/neon-schedgen.ml (Utils): Don't try to
12162         open missing module.
12163         (find_with_result): New.
12164
12165 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
12166
12167         PR debug/42662
12168         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
12169         sharing when canonicalizing ({lt,ge}u (plus a b) b).
12170
12171         PR tree-optimization/42645
12172         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
12173         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
12174         decl_map, set processing_debug_stmt to -1 and return name without
12175         any remapping.
12176
12177 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
12178
12179         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
12180         binutils version, and reword target configuration description.
12181
12182 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
12183
12184         * config/avr/avr.h (LINKER_NAME): Remove.
12185
12186 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
12187
12188         PR target/42416
12189         * config/rs6000/rs6000.c (rs6000_override_options): On targets
12190         that support VSX, warn for -mno-altivec if vsx is not disabled,
12191         and disable vsx.
12192
12193 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
12194             Shujing Zhao  <pearly.zhao@oracle.com>
12195
12196         PR translation/42469
12197         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
12198         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
12199         character between option name and help text.
12200         * c.opt (imultilib): Likewise.
12201
12202 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
12203
12204         * lto-streamer-out.c (output_unreferenced_globals): Output static
12205         variables.
12206
12207 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
12208
12209         PR rtl-optimization/42621
12210         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
12211         optimizing for size.
12212         (duplicate_computed_gotos): Remove now-redundant check.
12213
12214 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
12215
12216         PR target/37454
12217         * configure.ac: Save and restore LDFLAGS and LIBS
12218         * configure: Regenerate.
12219
12220 2010-01-10  Richard Guenther  <rguenther@suse.de>
12221
12222         PR middle-end/42667
12223         * builtins.c (fold_builtin_strlen): Add type argument and
12224         convert the resulting length to it.
12225         (fold_builtin_1): Adjust.
12226
12227 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
12228
12229         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
12230         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
12231         1 insn.
12232         (num_insns_constant_wide): Adjust for that change.
12233
12234 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
12235
12236         PR debug/42631
12237         * web.c (union_defs): Add used argument, to combine uses of
12238         uninitialized regs.
12239         (entry_register): Adjust type and tests of used argument.
12240         (web_main): Widen used for new use.  Pass it to union_defs.
12241         * df.h (union_defs): Adjust prototype.
12242
12243 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
12244
12245         PR debug/42630
12246         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
12247         uses in new incoming argument.  Free body.
12248         (reset_debug_uses_in_loop): New.
12249         (analyze_insn_to_expand_var): Call the latter if the former found
12250         anything.  Fix whitespace.  Reject invalid dest overlaps before
12251         going through all insns in the loop.
12252
12253 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
12254
12255         PR debug/42629
12256         * haifa-sched.c (dying_use_p): Debug insns don't count.
12257
12258 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
12259
12260         PR middle-end/42363
12261         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
12262         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
12263         (verify_gimple_call): Reject LHS in noreturn calls.
12264
12265 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
12266
12267         PR debug/42604
12268         PR debug/42395
12269         * tree-vect-loop-manip.c (adjust_info): New type.
12270         (adjust_vec): New pointer to vector.
12271         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
12272         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
12273         (slpeel_update_phis_for_duplicate_loop): Use them.
12274         (slpeel_update_phi_nodes_for_guard1): Likewise.
12275         (slpeel_update_phi_nodes_for_guard2): Likewise.
12276         (slpeel_tree_peel_loop_to_edge): Likewise.
12277         (vect_update_ivs_after_vectorizer): Likewise.
12278
12279 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
12280
12281         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
12282         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
12283
12284 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
12285
12286         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
12287         bogus uninitialized warning.
12288
12289 2010-01-09  Richard Guenther  <rguenther@suse.de>
12290
12291         PR middle-end/42512
12292         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
12293         the evolution is compatible with the initial condition.
12294
12295 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
12296
12297         * gcc.c (process_command): Update copyright notice dates.
12298         * gcov.c (print_version): Likewise.
12299         * gcov-dump.c (print_version): Likewise.
12300         * mips-tfile.c (main): Likewise.
12301         * mips-tdump.c (main): Likewise.
12302
12303 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
12304
12305         PR target/41885
12306         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
12307         (rotlhi3): Delete.
12308         (rotlhi3_8): Delete.
12309         (rotlsi3): Delete.
12310         (rotlsi3_8): Delete.
12311         (rotlsi3_16): Delete.
12312         (rotlsi3_24): Delete.
12313         (rotl<mode>3): New.
12314         (*rotw<mode>3): New.
12315         (*rotb<mode>3): New.
12316         * config/avr/avr.c (avr_rotate_bytes): New function.
12317         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
12318
12319 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
12320
12321         PR target/37454
12322         * configure.ac: Modify -rdynamic check.
12323         * configure: Regenerate.
12324
12325 2010-01-08  DJ Delorie  <dj@redhat.com>
12326
12327         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
12328         register popping order.
12329
12330 2010-01-08  Richard Guenther  <rguenther@suse.de>
12331
12332         PR lto/42528
12333         * c.opt (fsigned-char): Also let LTO handle this option.
12334         (funsigned-char): Likewise.
12335
12336 2010-01-07  Richard Guenther  <rguenther@suse.de>
12337
12338         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
12339         (gimple_op): Likewise.
12340         (gimple_op_ptr): Likewise.
12341         (gimple_assign_set_lhs): Remove gcc_assert.
12342         (gimple_assign_set_rhs1): Likewise.
12343         (gimple_assign_set_rhs2): Likewise.
12344         (gimple_call_set_lhs): Likewise.
12345         (gimple_call_set_fn): Likewise.
12346         (gimple_call_set_fndecl): Likewise.
12347         (gimple_call_fndecl): Likewise.
12348         (gimple_call_return_type): Likewise.
12349         (gimple_call_set_chain): Likewise.
12350         (gimple_call_num_args): Likewise.
12351         (gimple_call_set_arg): Likewise.
12352         (gimple_cond_set_code): Likewise.
12353         (gimple_cond_set_lhs): Likewise.
12354         (gimple_cond_set_rhs): Likewise.
12355         (gimple_cond_set_true_label): Likewise.
12356         (gimple_cond_set_false_label): Likewise.
12357         (gimple_label_set_label): Likewise.
12358         (gimple_goto_set_dest): Likewise.
12359         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
12360         (gimple_debug_bind_get_value): Likewise.
12361         (gimple_debug_bind_get_value_ptr): Likewise.
12362         (gimple_debug_bind_set_var): Likewise.
12363         (gimple_debug_bind_set_value): Likewise.
12364         (gimple_debug_bind_reset_value): Likewise.
12365         (gimple_debug_bind_has_value_p): Likewise.
12366         (gimple_return_retval_ptr): Remove gcc_assert.
12367         (gimple_return_retval): Likewise.
12368         (gimple_return_set_retval): Likewise.
12369         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
12370         (safe_referenced_var_iterator): Remove.
12371         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
12372         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
12373         (fill_referenced_var_vec): Remove.
12374         (first_readonly_imm_use): Remove redundant gcc_assert.
12375         (phi_arg_index_from_use): Combine gcc_asserts.
12376         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
12377         (first_imm_use_stmt): Remove redundant gcc_assert.
12378         * tree-cfg.c (verify_gimple_call): Verify function and chain
12379         operands.  Verify arguments.
12380         (verify_types_in_gimple_stmt): Verify condition code and labels.
12381
12382 2010-01-07  Richard Guenther  <rguenther@suse.de>
12383
12384         PR tree-optimization/42641
12385         * sese.c (rename_map_elt_info): Use the SSA name version, do
12386         not hash pointers.
12387
12388 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
12389
12390         PR tree-optimization/42625
12391         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
12392         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
12393
12394 2010-01-07  Duncan Sands  <baldrick@free.fr>
12395
12396         * Makefile.in (PLUGIN_HEADERS): Add version.h.
12397
12398 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
12399
12400         PR target/42511
12401         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
12402         note itself is not function_invariant_p.
12403
12404 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
12405
12406         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
12407         Do not add the DF_NOTE problem.
12408         * store-motion.c (execute_rtl_store_motion): Likewise.
12409
12410 2010-01-07  Martin Jambor  <mjambor@suse.cz>
12411
12412         PR tree-optimization/42157
12413         * tree-sra.c (compare_access_positions): Stabilize sort if both
12414         accesses have integer types, return zero immediately if they are the
12415         same.
12416
12417 2010-01-06  Richard Henderson  <rth@redhat.com>
12418
12419         PR middle-end/41883
12420         * haifa-sched.c (add_to_note_list): Merge into ...
12421         (concat_note_lists): ... here, and ...
12422         (unlink_other_notes, rm_other_notes): Merge into...
12423         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
12424         NOTE_INSN_EPILOGUE_BEG.
12425
12426 2010-01-06  Richard Guenther  <rguenther@suse.de>
12427
12428         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
12429         not inline regular functions into always-inline functions.
12430
12431 2010-01-06  Nick Clifton  <nickc@redhat.com>
12432
12433         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
12434         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
12435         used together.
12436         (OVERRIDE_OPTIONS): Delete.
12437         (OPTIMIZATION_OPTIONS): Define.
12438         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
12439         * config/rx/rx.c (rx_handle_option): Issue an error message if
12440         -mcpu=rx200 and -fpu are used together.
12441         (rx_set_optimization_options): New function.  Issue an error
12442         message if an optimization attribute attempts to reset the FPU/
12443         math optimization pairing.
12444         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
12445         * config/rx/rx.opt: Set the default to 32-bit doubles.
12446         * config/rx/t-rx: Add multilibs for -nofpu option.
12447         * doc/invoke.texi: Update documentation of RX options.
12448
12449 2010-01-06  Richard Guenther  <rguenther@suse.de>
12450
12451         * tree-ssa-pre.c (name_to_id): New global.
12452         (alloc_expression_id): Simplify SSA name handling.
12453         (lookup_expression_id): Likewise.
12454         (init_pre): Zero name_to_id.
12455         (fini_pre): Free it.
12456
12457 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
12458
12459         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
12460
12461 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
12462
12463         PR target/42542
12464         * config/i386/sse.md (smaxv2di3): New.
12465         (umaxv2di3): Likewise.
12466         (sminv2di3): Likewise.
12467         (uminv2di3): Likewise.
12468
12469 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
12470
12471         PR target/42564
12472         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
12473         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
12474         (legitimize_tls_address): Likewise.
12475         (sparc_tls_referenced_p): Likewise.
12476         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
12477         and adjust calls to legitimize_pic_address.
12478         (legitimate_constant_p) Use sparc_tls_referenced_p.
12479         (legitimate_pic_operand_p): Likewise.
12480         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
12481         (sparc_tls_symbol_ref_1): Delete.
12482         (sparc_tls_referenced_p): Make static, recognize specific patterns.
12483         (legitimize_tls_address): Make static, handle CONST patterns.
12484         (legitimize_pic_address): Make static, remove unused parameter and
12485         adjust recursive calls.
12486         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
12487         and adjust call to legitimize_pic_address.
12488         (sparc_output_mi_thunk): Likewise.
12489
12490 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
12491             H.J. Lu  <hongjiu.lu@intel.com>
12492
12493         PR target/42542
12494         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
12495         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
12496         operands to make them signed.
12497
12498         Revert:
12499         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
12500
12501         PR target/42542
12502         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
12503         GTU to GT for V4SI and V2DI.
12504
12505         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
12506         (umin<mode>3): Removed.
12507         (uminv8hi3): New.
12508         (uminv4si3): Likewise.
12509
12510 2010-01-05  Martin Jambor  <mjambor@suse.cz>
12511
12512         PR tree-optimization/42462
12513         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
12514         current_function_decl to helper functions and macros.
12515
12516 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12517
12518         PR bootstrap/41771
12519         * flags.h: Don't include real.h.
12520         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
12521         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
12522         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
12523         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
12524         * dominance.c: Update copyright.
12525         * gimple.c (walk_gimple_op): Remove inline.
12526         * tree-ssa-reassoc.c: Include real.h.
12527         * Makefile.in (FLAGS_H): Remove $(REAL_H).
12528         (tree-ssa-reassoc.o): Depend on $(REAL_H).
12529
12530 2010-01-05  Nick Clifton  <nickc@redhat.com>
12531
12532         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
12533         register to push into the stack frame when the accumulator has to
12534         be saved during interrupts.
12535
12536 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
12537
12538         * doc/invoke.texi: Remove the documentation about option
12539         -Wunreachable-code.
12540         * common.opt (Wunreachable-code):  Preserved for backward
12541         compatibility.
12542         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
12543         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
12544         the backward compatibility flag section.
12545
12546 2010-01-05  Richard Guenther  <rguenther@suse.de>
12547
12548         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
12549
12550 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
12551
12552         PR other/42611
12553         * cfgexpand.c (expand_one_var): Diagnose too large variables.
12554
12555         PR tree-optimization/42508
12556         * tree-sra.c (convert_callers): Check for recursive call
12557         by comparing cgraph nodes instead of decls.
12558         (modify_function): Call ipa_modify_formal_parameters also
12559         on all same_body aliases.
12560
12561         * cgraphunit.c (cgraph_materialize_all_clones): Compare
12562         cgraph nodes when checking for same_body aliases.
12563
12564 2010-01-05  Richard Guenther  <rguenther@suse.de>
12565
12566         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
12567         allocation and lookup.
12568         (get_or_alloc_expr_for_constant): Likewise.
12569         (phi_translate): Sink allocation.
12570
12571 2010-01-04  Richard Guenther  <rguenther@suse.de>
12572
12573         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
12574         a new entry only if needed.
12575         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
12576         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
12577         hashtable lookup.
12578         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
12579         the result array.
12580         (phi_translate): Handle CONSTANTs early.
12581
12582 2010-01-04  Martin Jambor  <mjambor@suse.cz>
12583
12584         PR tree-optimization/42398
12585         * tree-sra.c (struct access): Removed flag grp_different_types.
12586         (dump_access): Do not dump the removed flag.
12587         (sort_and_splice_var_accesses): Do not set the removed flag.
12588         (sra_modify_expr): Check for type compatibility directly.
12589
12590 2010-01-04  Martin Jambor  <mjambor@suse.cz>
12591
12592         PR tree-optimization/42366
12593         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
12594         edges with variable number of parameters.
12595         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
12596         flag instead of asserting it.
12597         (ipa_read_node_info): Read uses_analysis_done flag.
12598
12599 2010-01-04  Richard Guenther  <rguenther@suse.de>
12600
12601         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
12602         iterative_hash_* as intended.
12603         (vn_reference_compute_hash): Likewise.  Simplify hashing
12604         SSA names.
12605         (vn_reference_lookup_2): Likewise.
12606         (vn_nary_op_compute_hash): Likewise.
12607         (vn_phi_compute_hash): Likewise.
12608         (expressions_equal_p): Remove strange code.
12609         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
12610         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
12611         (bitmap_insert_into_set_1): Take value-id as parameter.
12612         (add_to_value): Pass it.
12613         (bitmap_insert_into_set): Likewise.
12614         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
12615
12616 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
12617
12618         PR driver/42442
12619         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
12620         (do_self_spec): For switches with SWITCH_IGNORE set set also
12621         SWITCH_IGNORE_PERMANENTLY.
12622         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
12623         of SWITCH_IGNORE.
12624
12625 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
12626
12627         * lto-streamer-out.c (output_unreferenced_globals): Output the full
12628         tree of an unreferenced global var.
12629
12630 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
12631
12632         PR target/42542
12633         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
12634         GTU to GT for V4SI and V2DI.
12635
12636         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
12637         (umin<mode>3): Removed.
12638         (uminv8hi3): New.
12639         (uminv4si3): Likewise.
12640
12641 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
12642
12643         PR lto/42581
12644         * collect2.c (main): Turn on trace in collect2 if -v is passed
12645         to gcc with LTO.
12646
12647 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
12648
12649         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
12650         description of expression operand.
12651
12652 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
12653
12654         * configure.ac: Add install-html to target_list for Make-hooks.
12655         * configure: Regenerate.
12656         * fortran/Make-lang.in (F95_HTMLFILES): New.
12657         (fortran.html): Use it.
12658         (fortran.install-html): New.
12659         * Makefile.in (install-html): Add lang.install-html.
12660         * java/Make-lang.in (JAVA_HTMLFILES): New.
12661         (java.html): Use it.
12662         (java.install-html): New.
12663         * objc/Make-lang.in (objc.install-html): New.
12664         * objcp/Make-lang.in (obj-c++.install-html): New.
12665         * cp/Make-lang.in (c++.install-html): New.
12666         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
12667         * lto/Make-lang.in (lto.install-html): New.
12668
12669 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
12670
12671         PR lto/42520
12672         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
12673
12674 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
12675
12676         PR rtl-optimization/41862
12677         * store-motion.c (store_killed_in_insn, compute_store_table,
12678         remove_reachable_equiv_notes, replace_store_insn,
12679         build_store_vectors): Ignore all DEBUG_INSNs.
12680
12681 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
12682
12683         PR lto/41564
12684         * common.opt: Add dumpdir.
12685
12686         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
12687         isn't specified.
12688         (option_map): Add --dumpdir.
12689
12690         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
12691
12692         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
12693
12694         * opts.c (decode_options): Try dump_dir_name first if
12695         dump_base_name isn't an absolute path.
12696         (common_handle_option): Handle OPT_dumpdir.
12697
12698         * toplev.c (dump_dir_name): New.
12699         (print_switch_values): Also ignore -dumpdir.
12700
12701         * toplev.h (dump_dir_name): New.
12702
12703 2010-01-03  Richard Guenther  <rguenther@suse.de>
12704
12705         PR tree-optimization/42589
12706         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
12707         double-word expansion of bswap32.
12708
12709 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
12710
12711         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
12712         with BLOCK_FOR_INSN.
12713         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
12714         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
12715         noce_process_if_block): Likewise.
12716         * gcse.c (compute_local_properties, insert_expr_in_table,
12717         insert_set_in_table, canon_list_insert, find_avail_set,
12718         pre_insert_copy_insn): Likewise.
12719
12720         * basic-block.h (BLOCK_NUM): Move from here...
12721         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
12722
12723 2010-01-03  Richard Guenther  <rguenther@suse.de>
12724
12725         PR tree-optimization/42438
12726         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
12727         contains_may_not_return_call flag.
12728         (BB_MAY_NOTRETURN): New.
12729         (valid_in_sets): Trapping nary operations are not valid
12730         in blocks that may not return.
12731         (insert_into_preds_of_block): Remove check for trapping expressions.
12732         (compute_avail): Compute also BB_MAY_NOTRETURN.
12733
12734 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
12735
12736         * doc/invoke.texi: Add 2010 to copyright years.
12737
12738 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
12739
12740         * config/sparc/sparc.c: Fix formatting nits.
12741
12742 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
12743             Alexander Monakov  <amonakov@ispras.ru>
12744
12745         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
12746
12747 2010-01-02  Richard Guenther  <rguenther@suse.de>
12748
12749         PR middle-end/42577
12750         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
12751         (simplify_switch_using_ranges): Mark to be removed edges
12752         as non-executable.
12753
12754 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12755
12756         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
12757
12758         * collect2.c (scan_libraries): Add missing argument in call to
12759         scan_prog_file.
12760
12761 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
12762
12763         PR target/42448
12764         * config/alpha/predicates.md (aligned_memory_operand): Return false
12765         for CQImode.
12766         (unaligned_memory_operand): Return true for CQImode.
12767         * config/alpha/alpha.c (get_aligned_mem): Assert that location
12768         doesn not cross aligned SImode word boundary.
12769
12770 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
12771
12772         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
12773         Remove.
12774         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
12775         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
12776
12777 2010-01-02  Richard Guenther  <rguenther@suse.de>
12778
12779         PR lto/41597
12780         * toplev.c (compile_file): Emit LTO marker properly.  Change
12781         it to __gnu_lto_v1.
12782         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
12783
12784 2010-01-01  Richard Guenther  <rguenther@suse.de>
12785
12786         PR debug/42455
12787         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
12788
12789 2010-01-01  Richard Guenther  <rguenther@suse.de>
12790
12791         PR c/42570
12792         * c-decl.c (grokdeclarator): For zero-size arrays force
12793         structural equality checks as layout_type does.
12794
12795 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
12796
12797         * builtins.c: Update copyright to 2010.
12798
12799 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
12800
12801         PR lto/42531
12802         * lto-streamer-out.c (produce_asm): Revert the last change.
12803         (copy_function): Likewise.
12804
12805         * lto-streamer.c (lto_get_section_name): Skip any leading
12806         asterisk in name.
12807
12808 2010-01-01  Richard Guenther  <rguenther@suse.de>
12809
12810         PR middle-end/42559
12811         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
12812         for LABEL_DECLs.
12813
12814 \f
12815 Copyright (C) 2010 Free Software Foundation, Inc.
12816
12817 Copying and distribution of this file, with or without modification,
12818 are permitted in any medium without royalty provided the copyright
12819 notice and this notice are preserved.