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1 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
2
3         PR target/46997
4         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
5         (vec_interleave_lowv2sf): Ditto.
6         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
7         (vec_extract_oddv2sf): Ditto.
8
9 2011-02-07  Mike Stump  <mikestump@comcast.net>
10
11         PR target/42333
12         Add __ieee_divdc3 entry point.
13         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
14         entry point.
15         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
16         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
17         * config/darwin.c (darwin_rename_builtins): Add.
18         * config/darwin-protos.h (darwin_rename_builtins): Add.
19
20 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
21
22         PR target/47636
23         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
24         for the condition.
25
26 2011-02-07  Mike Stump  <mikestump@comcast.net>
27
28         * config/darwin.opt (mmacosx-version-min): Update default OS
29         version.
30
31 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
32
33         PR target/47534
34         * config/avr/libgcc.S (exit): Move .endfunc
35
36 2011-02-07  Richard Guenther  <rguenther@suse.de>
37
38         PR tree-optimization/47615
39         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
40         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
41         (run_scc_vn): Initialize it.
42         (visit_reference_op_load): Use it.
43         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
44
45 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
46
47         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
48         DImode trapping arithmetic libfuncs.
49
50 2011-02-07  Richard Guenther  <rguenther@suse.de>
51
52         PR tree-optimization/47621
53         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
54         two duplicates ...
55         (execute_update_addresses_taken): ... here.  Make it more
56         conservative in what we accept.
57
58 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
59
60         * config/sparc/freebsd.h (ASM_SPEC): Define.
61         * config/sparc/vxworks.h (ASM_SPEC): Define.
62
63 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
64
65         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
66
67 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
68
69         * doc/invoke.texi: Remove reference to compiler internals from
70         user documentation.
71
72         * reg-notes.def: Remove REG_VALUE_PROFILE.
73         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
74
75 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
76
77         PR middle-end/47610
78         * varasm.c (default_section_type_flags): If decl is NULL,
79         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
80
81 2011-02-05  Jie Zhang  <jie@codesourcery.com>
82
83         PR debug/42631
84         * web.c (entry_register): Don't clobber the number of the
85         first uninitialized reference in used[].
86
87 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
88
89         PR tree-optimization/46194
90         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
91         (build_classic_dist_vector_1): Do not represent classic distance
92         vectors when the access functions are variating in different loops.
93
94 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
95
96         * config/mips/iris6.opt: New.
97         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
98
99 2011-02-04  Richard Henderson  <rth@redhat.com>
100             Steve Ellcey  <sje@cup.hp.com>
101
102         PR target/46997
103         * config/ia64/predicates.md (mux1_brcst_element): New.
104         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
105         * config/ia64/ia64.c (ia64_unpack_assemble): New.
106         (ia64_unpack_sign): New.
107         (ia64_expand_unpack): Rewrite using new routines.
108         (ia64_expand_widen_sum): Ditto.
109         (ia64_expand_dot_prod_v8qi): Ditto.
110         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
111         routines, add endian check.
112         (pmpy2_even): Rename from pmpy2_r, add endian check.
113         (pmpy2_odd): Rename from pmpy2_l, add endian check.
114         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
115         (vec_widen_smult_hi_v4hi): Ditto.
116         (vec_widen_umult_lo_v4hi): Ditto.
117         (vec_widen_umult_hi_v4hi): Ditto.
118         (mulv2si3): Change endian checks.
119         (sdot_prodv4hi): Rewrite with new calls.
120         (udot_prodv4hi): New.
121         (vec_pack_ssat_v4hi): Add endian check.
122         (vec_pack_usat_v4hi): Ditto.
123         (vec_pack_ssat_v2si): Ditto.
124         (max1_even): Rename from max1_r, add endian check.
125         (max1_odd): Rename from max1_l, add endian check.
126         (*mux1_rev): Format change.
127         (*mux1_mix): Ditto.
128         (*mux1_shuf): Ditto.
129         (*mux1_alt): Ditto.
130         (*mux1_brcst_v8qi): Use new predicate.
131         (vec_extract_evenv8qi): Remove endian check.
132         (vec_extract_oddv8qi): Ditto.
133         (vec_interleave_lowv4hi): Format change.
134         (vec_interleave_highv4hi): Ditto.
135         (mix2_even): Rename from mix2_r, add endian check.
136         (mix2_odd): Rename from mux2_l, add endian check.
137         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
138         (vec_extract_evenodd_helper): Format change.
139         (vec_extract_evenv4hi): Remove endian check.
140         (vec_extract_oddv4hi): Remove endian check.
141         (vec_interleave_lowv2si): Format change.
142         (vec_interleave_highv2si): Format change.
143         (vec_initv2si): Remove endian check.
144         (vecinit_v2si): Add endian check.
145         (reduc_splus_v2sf): Add endian check.
146         (reduc_smax_v2sf): Ditto.
147         (reduc_smin_v2sf): Ditto.
148         (vec_initv2sf): Remove endian check.
149         (fpack): Add endian check.
150         (fswap): Add endian check.
151         (vec_interleave_highv2sf): Add endian check.
152         (vec_interleave_lowv2sf): Add endian check.
153         (fmix_lr): Add endian check.
154         (vec_setv2sf): Format change.
155         (*vec_extractv2sf_0_be): Use shift to extract operand.
156         (*vec_extractv2sf_1_be): New.
157         (vec_pack_trunc_v4hi): Add endian check.
158         (vec_pack_trunc_v2si): Format change.
159
160 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
161
162         PR inline-asm/23200
163         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
164         do bb, locus and block comparison and disallow loads if it is not set.
165         (stmt_is_replaceable_p): New function.
166         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
167         callers.
168         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
169         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
170         SSA_NAME_DEF_STMT.
171         * tree-flow.h (stmt_is_replaceable_p): New prototype.
172
173 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
174
175         * config/rs6000/xilinx.opt: New.
176         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
177
178 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
179
180         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
181
182 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
183
184         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
185         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
186         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
187         secondary_reload_info, xtensa_secondary_reload): Remove.
188         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
189         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
190         (xtensa_preferred_reload_class): Make static. Change return and
191         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
192         Use CONST_DOUBLE_P predicate.
193         (xtensa_preferred_output_reload_class): New function.
194         (xtensa_secondary_reload): Make static.
195
196 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
197
198         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
199         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
200         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
201
202 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
203
204         PR middle-end/31490
205         * output.h (SECTION_RELRO): Define.
206         (SECTION_MACH_DEP): Adjust.
207         (get_variable_section): New prototype.
208         * varpool.c (varpool_finalize_named_section_flags): New function.
209         (varpool_assemble_pending_decls): Call it.
210         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
211         * cgraphunit.c (cgraph_output_in_order): Call
212         varpool_finalize_named_section_flags.
213         * varasm.c (get_section): Allow section flags conflicts between
214         relro and read-only sections if the section hasn't been declared yet.
215         Set SECTION_OVERRIDE after diagnosing section type conflict.
216         (get_variable_section): No longer static.
217         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
218         readonly sections that need relocations.
219         (decl_readonly_section_1): New function.
220         (decl_readonly_section): Use it.
221
222         Revert:
223         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
224                     Steve Ellcey  <sje@cup.hp.com>
225
226         PR middle-end/31490
227         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
228         if section attribute used.
229
230 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
231
232         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
233         * config/darwin.c (SECTION_NO_ANCHOR): Define.
234         (darwin_init_sections): Remove assertion.
235
236 2011-02-03  Nick Clifton  <nickc@redhat.com>
237
238         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
239         lt and ge.
240         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
241         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
242         instead of "n" and "pz".
243         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
244         CC_FLAG_S.
245
246 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
247
248         PR target/47312
249         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
250         fma, expand FMA_EXPR as fma{,f,l} call.
251
252         PR lto/47274
253         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
254         copy them into a unsigned char variable and pass address of it to
255         lto_output_data_stream.
256
257         PR target/47564
258         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
259         around backend_init_target and lang_dependent_init_target calls.
260         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
261         (verify_cgraph_node): Don't call set_cfun here.  Use
262         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
263         Set error_found for incorrectly represented calls to thunks.
264
265 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
266
267         PR debug/43092
268         PR rtl-optimization/43494
269         * rtl.h (for_each_inc_dec_fn): New type.
270         (for_each_inc_dec): Declare.
271         * rtlanal.c (struct for_each_inc_dec_ops): New type.
272         (for_each_inc_dec_find_inc_dec): New fn.
273         (for_each_inc_dec_find_mem): New fn.
274         (for_each_inc_dec): New fn.
275         * dse.c (struct insn_size): Remove.
276         (replace_inc_dec, replace_inc_dec_mem): Remove.
277         (emit_inc_dec_insn_before): New fn.
278         (check_for_inc_dec): Use it, along with for_each_inc_dec.
279         (canon_address): Pass mem modes to cselib_lookup.
280         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
281         (cselib_lookup_from_insn): Likewise.
282         (cselib_subst_to_values): Likewise.
283         * cselib.c (find_slot_memmode): New var.
284         (cselib_find_slot): New fn.  Use it instead of
285         htab_find_slot_with_hash everywhere.
286         (entry_and_rtx_equal_p): Use find_slot_memmode.
287         (autoinc_split): New fn.
288         (rtx_equal_for_cselib_p): Rename and implement in terms of...
289         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
290         Deal with autoinc.  Special-case recursion into MEMs.
291         (cselib_hash_rtx): Likewise.
292         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
293         address and MEM modes.
294         (cselib_subst_to_values): Add memmode, pass it on.
295         Deal with autoinc.
296         (cselib_lookup): Add memmode argument, pass it on.
297         (cselib_lookup_from_insn): Add memmode.
298         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
299         (struct cselib_record_autoinc_data): New.
300         (cselib_record_autoinc_cb): New fn.
301         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
302         mode to cselib_lookup.  Reset autoinced REGs here instead of...
303         (cselib_process_insn): ... here.
304         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
305         to cselib_lookup.
306         (add_uses): Likewise, also to cselib_subst_to_values.
307         (add_stores): Likewise.
308         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
309         cselib_subst_to_values.
310         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
311         * gcse.c (do_local_cprop): Adjusted.
312         * postreload.c (reload_cse_simplify_set): Adjusted.
313         (reload_cse_simplify_operands): Adjusted.
314         * sel-sched-dump (debug_mem_addr_value): Pass mode.
315
316 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
317
318         PR tree-optimization/45122
319         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
320         unsafe assumptions when there's more than one loop exit.
321
322 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
323
324         PR target/47272
325         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
326         Document using vector double with the load/store builtins, and
327         that the load/store builtins always use Altivec instructions.
328
329         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
330         to use altivec memory instructions, even on VSX.
331         (vector_altivec_store_<mode>): Ditto.
332
333         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
334         function.
335
336         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
337         V2DF, V2DI support to load/store overloaded builtins.
338
339         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
340         altivec load/store builtins for V2DF/V2DI types.
341
342         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
343         set avoid indexed addresses on power6 if -maltivec.
344         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
345         vector_altivec_load/vector_altivec_store builtins.
346         (altivec_expand_st_builtin): Ditto.
347         (altivec_expand_builtin): Add VSX memory builtins.
348         (rs6000_init_builtins): Add V2DI types to internal types.
349         (altivec_init_builtins): Add support for V2DF/V2DI altivec
350         load/store builtins.
351         (rs6000_address_for_altivec): Insure memory address is appropriate
352         for Altivec.
353
354         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
355         vec_vsx_ld and vec_vsx_st.
356         (vsx_store_<mode>): Ditto.
357
358         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
359         variables to hold long long types for VSX vector memory builtins.
360         (RS6000_BTI_unsigned_long_long): Ditto.
361         (long_long_integer_type_internal_node): Ditti.
362         (long_long_unsigned_type_internal_node): Ditti.
363
364         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
365         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
366         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
367
368         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
369         short cuts.
370         (vec_vsx_st): Ditto.
371
372 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
373
374         * config/pa/pa-hpux10.opt: New.
375         * config/hpux11.opt (pthread): New Driver option.
376         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
377         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
378
379 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
380
381         * config/ia64/vms.opt: New.
382         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
383
384 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
385
386         PR target/47580
387         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
388         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
389         generator functions.
390         (vsx_floatuns<VSi><mode>2): Ditto.
391         (vsx_fix_trunc<mode><VSi>2): Ditto.
392         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
393
394 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
395
396         * config/i386/djgpp.opt (posix): New Driver option.
397
398 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
399
400         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
401         Move to the unsupported targets list.
402
403 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
404
405         PR rtl-optimization/47525
406         * df-scan.c: Update copyright years.
407         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
408         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
409
410 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
411
412         * config/i386/sysv4.h (TARGET_VERSION): Remove.
413         (SUBTARGET_RETURN_IN_MEMORY): Remove.
414         (ASM_OUTPUT_ASCII): Remove.
415         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
416
417 2011-02-02  Jeff Law  <law@redhat.com>
418
419         PR middle-end/47543
420         * reload.c (find_reloads_address): Handle reg+d address where both
421         components are invalid by reloading the entire address.
422
423 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
424             Richard Guenther  <rguenther@suse.de>
425
426         PR tree-optimization/40979
427         PR bootstrap/47044
428         * passes.c (init_optimization_passes): After LIM call copy_prop
429         and DCE to clean up.
430         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
431
432 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
433
434         PR tree-optimization/47576
435         PR tree-optimization/47555
436         * doc/invoke.texi (scev-max-expr-complexity): Documented.
437         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
438         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
439         * tree-scalar-evolution.c (follow_ssa_edge): Use
440         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
441
442 2011-02-02  Richard Guenther  <rguenther@suse.de>
443
444         PR tree-optimization/47566
445         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
446
447 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
448
449         PR debug/47106
450         PR debug/47402
451         * tree-inline.c (declare_return_variable): Remove unused caller
452         variable.
453
454         PR debug/47106
455         PR debug/47402
456         * tree-flow-inline.h (clear_is_used, is_used_p): New.
457         * cfgexpand.c (account_used_vars_for_block): Use them.
458         * tree-nrv.c (tree_nrv): Likewise.
459         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
460         (dump_scope_block): Likewise.
461         (remove_unused_locals): Likewise.
462
463         PR debug/47106
464         PR debug/47402
465         * tree-inline.c (declare_return_variable): Add result decl to
466         local decls only once.
467         * gimple-low.c (record_vars_into): Mark newly-created variables
468         as referenced.
469
470 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
471
472         PR debug/47498
473         PR debug/47501
474         PR debug/45136
475         PR debug/45130
476         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
477         debug insns.
478         (no_real_insns_p, schedule_block, set_priorities): Drop special
479         treatment of boundary debug insns.
480         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
481         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
482         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
483         (BOUNDARY_DEBUG_INSN_P): Likewise.
484         (SCHEDULE_DEBUG_INSN_P): Likewise.
485         * sched-rgn.c (init_ready_list): Drop special treatment of
486         boundary debug insns.
487         * final.c (rest_of_clean_state): Clear notes' BB.
488
489 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
490
491         * config/openbsd.opt (assert=): New Driver option.
492
493 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
494
495         * config/i386/nto.opt: New.
496         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
497
498 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
499
500         * config/i386/netware.opt: New.
501         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
502
503 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
504
505         * config/interix.opt (posix): New Driver option.
506
507 2011-02-01  DJ Delorie  <dj@redhat.com>
508
509         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
510
511         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
512         class for A0/A1.
513
514 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
515
516         PR tree-optimization/47561
517         * toplev.c (process_options): Print the Graphite flags.  Add
518         flag_loop_flatten to the list of options requiring Graphite.
519
520 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
521
522         * config/i386/cygming.opt (posix): New Driver option.
523
524 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
525
526         * config/arm/vxworks.opt: New.
527         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
528
529 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
530
531         * config/alpha/elf.opt: New.
532         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
533         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
534
535 2011-02-01  Richard Guenther  <rguenther@suse.de>
536
537         PR tree-optimization/47559
538         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
539         store-motion on references that can throw.
540
541 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
542
543         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
544         * tree-pass.h (TDF_CSELIB): New macro.
545         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
546         cselib_lookup): Check for it rather than for TDF_DETAILS.
547
548 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
549
550         PR driver/47547
551         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
552         is HOST_BIT_BUCKET.
553
554         * opts.c (finish_options): Don't add x_aux_base_name if it is
555         HOST_BIT_BUCKET.
556
557 2011-02-01  Richard Guenther  <rguenther@suse.de>
558
559         PR tree-optimization/47555
560         Revert
561         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
562
563         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
564
565 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
566
567         PR gcc/46692
568         * config/lm32/t-lm32: Add multilib for all CPU options.
569
570 2011-02-01  Richard Guenther  <rguenther@suse.de>
571
572         PR tree-optimization/47541
573         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
574         sure to have a field at offset zero.
575
576 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
577
578         * config/arc/arc.opt (EB, EL): New Driver options.
579
580 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
581
582         * config/alpha/osf5.opt: New.
583         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
584
585 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
586
587         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
588
589 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
590
591         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
592         -floop-interchange.
593         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
594         is an alias of -floop-interchange and that it requires the
595         Graphite infrastructure.
596         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
597         flag_loop_interchange based on the value of flag_tree_loop_linear.
598
599 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
600             Richard Guenther  <rguenther@suse.de>
601
602         PR tree-optimization/47538
603         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
604         type instead of r1type, except for comparisons.  For right
605         shifts and comparisons punt if there are mismatches in
606         sizetype vs. non-sizetype types.
607
608 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
609
610         * doc/sourcebuild.texi (Effective-Target Keywords): Document
611         avx_runtime.
612
613 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
614
615         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
616         version number.
617         * configure: Regenerate.
618
619 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
620
621         * configure.ac (gcc_cv_ld_static_option): Define.
622         (gcc_cv_ld_dynamic_option): Define.
623         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
624         instead.
625         (HAVE_LD_STATIC_DYNAMIC): Update message.
626         (LD_STATIC_OPTION): Define.
627         (LD_DYNAMIC_OPTION): Define.
628         * configure: Regenerate.
629         * config.in: Regenerate.
630         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
631         HAVE_LD_STATIC_DYNAMIC]: Use them.
632
633 2011-01-31  Nick Clifton  <nickc@redhat.com>
634
635         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
636         registers inside interrupt handlers if the handler is not a leaf
637         function.
638
639 2011-01-31  Nick Clifton  <nickc@redhat.com>
640
641         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
642         reg_renumber returning an INVALID_REGNUM.
643
644 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
645
646         PR libgcj/44341
647         * doc/install.texi: Document host options discarded when cross
648         configuring target libraries.
649
650 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
651
652         Reverted:
653         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
654         PR debug/45136
655         PR debug/45130
656         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
657         debug insns.
658         (no_real_insns_p, schedule_block, set_priorities): Drop special
659         treatment of boundary debug insns.
660         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
661         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
662         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
663         (BOUNDARY_DEBUG_INSN_P): Likewise.
664         (SCHEDULE_DEBUG_INSN_P): Likewise.
665         * sched-rgn.c (init_ready_list): Drop special treatment of
666         boundary debug insns.
667         * final.c (rest_of_clean-state): Clear notes' BB.
668
669 2011-01-31  Alan Modra  <amodra@gmail.com>
670
671         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
672         toc relative expressions as we do in print_operand_address.
673
674 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
675
676         * doc/extend.texi: Follow spelling conventions.
677         * doc/invoke.texi: Fix a typo.
678
679 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
680
681         * config/hpux11.opt: New.
682         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
683         ia64*-*-hpux*): Use hpux11.opt.
684
685 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
686
687         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
688         to tmake_file.
689
690 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
691
692         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
693         support sites.
694
695 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
696
697         * doc/install.texi (Binaries): Remove outdated reference for
698         Motorola 68HC11/68HC12 downloads.
699
700 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
701
702         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
703         Drepper's paper.
704
705 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
706
707         PR bootstrap/47147
708         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
709         used by NetBSD.
710
711 2011-01-28  Ahmad Sharif  <asharif@google.com>
712
713         * value-prof.c (check_counter): Corrected error message.
714
715 2011-01-29  Jie Zhang  <jie@codesourcery.com>
716
717         * config/arm/arm.c (arm_legitimize_reload_address): New.
718         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
719         arm_legitimize_reload_address.
720         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
721
722 2011-01-28  Ian Lance Taylor  <iant@google.com>
723
724         * godump.c (go_define): Ignore macros whose definitions include
725         two adjacent operands.
726
727 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
728
729         PR target/42894
730         * varasm.c (force_const_mem): Store copy of x in desc->constant
731         instead of x itself.
732         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
733         itself into REG_EQUAL note.
734
735 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
736
737         * config/freebsd.opt (posix, rdynamic): New Driver options.
738
739 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
740
741         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
742         -Bstatic/-Bdynamic.
743         * configure: Regenerate.
744
745 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
746
747         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
748         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
749
750 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
751
752         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
753         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
754         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
755         (s390_preferred_reload_class): Make static. Change return and
756         'rclass' argument type to reg_class_t.
757
758 2011-01-27  Jan Hubicka  <jh@suse.cz>
759
760         PR middle-end/46949
761         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
762         (process_function_and_variable_attributes): Check defined weakrefs.
763
764 2011-01-27  Martin Jambor  <mjambor@suse.cz>
765
766         PR tree-optimization/47228
767         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
768         build_ref_for_offset.
769
770 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
771
772         * config/spu/spu-elf.h (ASM_SPEC): Remove.
773
774 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
775
776         PR rtl-optimization/46856
777         * postreload.c (reload_combine_recognize_const_pattern): Do not
778         separate cc0 setter and user on cc0 targets.
779
780 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
781
782         PR c/43082
783         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
784         passed a VOID_TYPE expression, immediately emit an error and
785         return error_mark_node.
786
787 2011-01-26  Jeff Law  <law@redhat.com>
788
789         PR rtl-optimization/47464
790         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
791         rather than may_trap_p as needed.
792
793 2011-01-26  DJ Delorie  <dj@redhat.com>
794
795         PR rtl-optimization/46878
796         * combine.c (insn_a_feeds_b): Check for the implicit cc0
797         setter/user dependency as well.
798
799 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
800
801         PR rtl-optimization/44469
802         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
803         after removing trivially dead basic blocks.
804
805 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
806
807         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
808         * config/frv/frv.h (LINK_SPEC): Likewise.
809         * config/i386/netware.h (LINK_SPEC): Likewise.
810         * config/m68k/linux.h (ASM_SPEC): Likewise.
811         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
812         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
813         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
814         * config/sparc/linux.h (ASM_SPEC): Likewise.
815         * config/sparc/linux64.h (ASM_SPEC): Likewise.
816         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
817
818 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
819
820         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
821         * config/frv/frv.h (ASM_SPEC): Likewise.
822         * config/m68k/linux.h (ASM_SPEC): Likewise.
823         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
824         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
825         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
826         * config/sparc/linux.h (ASM_SPEC): Likewise.
827         * config/sparc/linux64.h (ASM_SPEC): Likewise.
828         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
829
830 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
831
832         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
833         * config/frv/frv.h (LINK_SPEC): Likewise.
834         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
835
836 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
837
838         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
839         * config/frv/frv.h (ASM_SPEC): Likewise.
840         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
841         * config/m68k/linux.h (ASM_SPEC): Likewise.
842         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
843         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
844         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
845         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
846         * config/sparc/linux.h (ASM_SPEC): Likewise.
847         * config/sparc/linux64.h (ASM_SPEC): Likewise.
848         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
849         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
850
851 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
852
853         PR target/46997
854         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
855         (*mux2): Ditto.
856         (vec_extract_evenodd_help): Ditto.
857         (vec_extract_evenv4hi): Ditto.
858         (vec_extract_oddv4hi): Ditto.
859         (vec_interleave_lowv2si): Ditto.
860         (vec_interleave_highv2si): Ditto.
861         (vec_extract_evenv2si): Ditto.
862         (vec_extract_oddv2si: Ditto.
863         (vec_pack_trunc_v2si): Ditto.
864
865 2011-01-22  Jan Hubicka  <jh@suse.cz>
866
867         PR target/47237
868         * cgraph.h (cgraph_local_info): New field can_change_signature.
869         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
870         signature can change.
871         (ipcp_estimate_growth): Call sequence simplify only if calle signature
872         can change.
873         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
874         (cgraph_function_versioning): We can not change signature of functions
875         that don't allow that.
876         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
877         (lto_input_node): Likewise.
878         * ipa-inline.c (compute_inline_parameters): Compute
879         local.can_change_signature.
880         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
881         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
882         functions that can not change signature.
883         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
884         init_cumulative_args): Do not use local calling conventions
885         for functions that can not change signature.
886
887 2011-01-22  Jan Hubicka  <jh@suse.cz>
888
889         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
890
891 2011-01-26  Richard Guenther  <rguenther@suse.de>
892
893         PR tree-optimization/47190
894         * cgraphunit.c (process_common_attributes): New function.
895         (process_function_and_variable_attributes): Use it.
896
897 2011-01-26  Richard Guenther  <rguenther@suse.de>
898
899         PR lto/47423
900         * cgraphbuild.c (record_eh_tables): Record reference to personality
901         function.
902
903 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
904
905         PR debug/45454
906         * sel-sched.c (moveup_expr): Don't let debug insns prevent
907         non-debug insns from moving up.
908
909 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
910
911         PR target/40125
912         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
913         t-dlldir{,-x} fragment for build and add it to tmake_file.
914         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
915         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
916         * config/i386/t-dlldir: New file.
917         (SHLIB_DLLDIR): Define.
918         * config/i386/t-dlldir-x: New file.
919         (SHLIB_DLLDIR): Define.
920         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
921         (SHLIB_INSTALL): Use it.
922
923 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
924
925         PR target/47246
926         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
927         lower bound of the allowed Thumb-2 coprocessor load/store
928         index range to -256. Add explaining comment.
929
930 2011-01-25  Ian Lance Taylor  <iant@google.com>
931
932         * godump.c (go_define): Improve lexing of macro expansion to only
933         accept expressions which match Go spec.
934
935 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
936
937         PR c++/43601
938         * tree.c (handle_dll_attribute): Handle it.
939         * doc/extend.texi (@item dllexport): Mention it.
940         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
941
942 2011-01-25  Ian Lance Taylor  <iant@google.com>
943
944         PR tree-optimization/26854
945         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
946         (decl_jump_unsafe): Move higher in file, with no other change.
947         (bind): Set has_jump_unsafe_decl if appropriate.
948         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
949         (check_earlier_gotos): Likewise.
950         (c_check_switch_jump_warnings): Likewise.
951
952 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
953
954         * doc/invoke.texi (Warning Options): Add missing hyphen.
955         (-fprofile-dir): Minor grammatical fixes.
956         (-fbranch-probabilities): Likewise.
957
958 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
959
960         PR debug/45136
961         PR debug/45130
962         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
963         debug insns.
964         (no_real_insns_p, schedule_block, set_priorities): Drop special
965         treatment of boundary debug insns.
966         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
967         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
968         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
969         (BOUNDARY_DEBUG_INSN_P): Likewise.
970         (SCHEDULE_DEBUG_INSN_P): Likewise.
971         * sched-rgn.c (init_ready_list): Drop special treatment of
972         boundary debug insns.
973         * final.c (rest_of_clean-state): Clear notes' BB.
974
975 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
976
977         * Makefile.in (LAMBDA_H): Removed.
978         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
979         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
980         lambda-trans.o, and tree-loop-linear.o.
981         (lto-symtab.o): Remove dependence on LAMBDA_H.
982         (tree-loop-linear.o): Remove rule.
983         (lambda-mat.o): Same.
984         (lambda-trans.o): Same.
985         (lambda-code.o): Same.
986         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
987         (tree-vect-slp.o): Same.
988         * hwint.h (gcd): Moved here.
989         (least_common_multiple): Same.
990         * lambda-code.c: Removed.
991         * lambda-mat.c: Removed.
992         * lambda-trans.c: Removed.
993         * lambda.h: Removed.
994         * tree-loop-linear.c: Removed.
995         * lto-symtab.c: Do not include lambda.h.
996         * omega.c (gcd): Removed.
997         * passes.c (init_optimization_passes): Remove pass_linear_transform.
998         * tree-data-ref.c (print_lambda_vector): Moved here.
999         (lambda_vector_copy): Same.
1000         (lambda_matrix_copy): Same.
1001         (lambda_matrix_id): Same.
1002         (lambda_vector_first_nz): Same.
1003         (lambda_matrix_row_add): Same.
1004         (lambda_matrix_row_exchange): Same.
1005         (lambda_vector_mult_const): Same.
1006         (lambda_vector_negate): Same.
1007         (lambda_matrix_row_negate): Same.
1008         (lambda_vector_equal): Same.
1009         (lambda_matrix_right_hermite): Same.
1010         * tree-data-ref.h: Do not include lambda.h.
1011         (lambda_vector): Moved here.
1012         (lambda_matrix): Same.
1013         (dependence_level): Same.
1014         (lambda_transform_legal_p): Removed declaration.
1015         (lambda_collect_parameters): Same.
1016         (lambda_compute_access_matrices): Same.
1017         (lambda_vector_gcd): Same.
1018         (lambda_vector_new): Same.
1019         (lambda_vector_clear): Same.
1020         (lambda_vector_lexico_pos): Same.
1021         (lambda_vector_zerop): Same.
1022         (lambda_matrix_new): Same.
1023         * tree-flow.h (least_common_multiple): Removed declaration.
1024         * tree-parloops.c (lambda_trans_matrix): Moved here.
1025         (LTM_MATRIX): Same.
1026         (LTM_ROWSIZE): Same.
1027         (LTM_COLSIZE): Same.
1028         (LTM_DENOMINATOR): Same.
1029         (lambda_trans_matrix_new): Same.
1030         (lambda_matrix_vector_mult): Same.
1031         (lambda_transform_legal_p): Same.
1032         * tree-pass.h (pass_linear_transform): Removed declaration.
1033         * tree-ssa-loop.c (tree_linear_transform): Removed.
1034         (gate_tree_linear_transform): Removed.
1035         (pass_linear_transform): Removed.
1036         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1037         flag_loop_interchange.
1038
1039 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1040
1041         PR tree-optimization/47265
1042         PR tree-optimization/47443
1043         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1044         if name still has some uses.
1045
1046 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1047
1048         PR tree-optimization/47382
1049         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1050         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1051
1052 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1053
1054         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1055         sjlj_except_unwind_info.
1056
1057 2011-01-25  Richard Guenther  <rguenther@suse.de>
1058
1059         PR tree-optimization/47426
1060         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1061         visible functions results escape.
1062
1063 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1064
1065         PR target/45701
1066         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1067         (arm_get_frame_offsets): Use it.
1068
1069 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1070             Jakub Jelinek  <jakub@redhat.com>
1071
1072         PR tree-optimization/47271
1073         * tree-if-conv.c (bb_postdominates_preds): New.
1074         (if_convertible_bb_p): Call bb_postdominates_preds.
1075         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1076         (predicate_scalar_phi): Call bb_postdominates_preds.
1077
1078 2011-01-25  Nick Clifton  <nickc@redhat.com>
1079
1080         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1081         * config/rx/rx.c (rx_function_value): Likewise.
1082         (rx_promote_function_mode): Likewise.
1083         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1084         in order to make it legitimate.
1085         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1086         make sure that the first operand is the same as the result register.
1087         (addsi3_unspec): Delete.
1088         (subdi3): Do not accept immediate operands.
1089         (subdi3_internal): Likewise.
1090
1091 2011-01-25  Jeff Law  <law@redhat.com>
1092
1093         PR rtl-optimization/37273
1094         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1095         handle them like argument loads from stack slots.  Do not double
1096         count memory for memory constants and argument loads from stack slots.
1097
1098 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1099
1100         PR tree-optimization/47427
1101         PR tree-optimization/47428
1102         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1103         coalesce if the new root var would be TREE_READONLY.
1104
1105 2011-01-25  Richard Guenther  <rguenther@suse.de>
1106
1107         PR middle-end/47414
1108         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1109         correct type for TBAA.
1110
1111 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1112
1113         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1114         (close_phi_written_to_memory): Call for_each_index with
1115         dr_indices_valid_in_loop.
1116
1117 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1120         when it is initialized.
1121
1122 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1125         call to graphite_find_data_references_in_stmt.
1126         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1127         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1128         call to graphite_find_data_references_in_stmt.
1129         (analyze_drs_in_stmts): Same.
1130         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1131         in which the scalar analysis of indices is performed.
1132         (create_data_ref): Same.  Update call to dr_analyze_indices.
1133         (find_data_references_in_stmt): Update call to create_data_ref.
1134         (graphite_find_data_references_in_stmt): Same.
1135         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1136         declaration.
1137         (create_data_ref): Same.
1138         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1139         call to create_data_ref.
1140
1141 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1142
1143         * graphite-sese-to-poly.c (build_poly_scop): Move
1144         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1145
1146 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1149         VAR_DECL, PARM_DECL, and RESULT_DECL.
1150
1151 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1154         in a reduction PBB.
1155         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1156         that have already been marked as PBB_IS_REDUCTION.
1157
1158 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         * graphite-scop-detection.c (same_close_phi_node): New.
1161         (remove_duplicate_close_phi): New.
1162         (make_close_phi_nodes_unique): New.
1163         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1164
1165 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1168         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1169         of both data references to be the same.
1170
1171 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-dependences.c (build_lexicographical_constraint): Remove
1174         the gdim parameter.
1175         (build_lexicographical_constraint): Adjust call to
1176         ppl_powerset_is_empty.
1177         (dependence_polyhedron): Same.
1178         (graphite_legal_transform_dr): Same.
1179         (graphite_carried_dependence_level_k): Same.
1180         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1181         parameter.
1182         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1183
1184 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1185
1186         * graphite-sese-to-poly.c
1187         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1188         (close_phi_written_to_memory): New.
1189         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1190         and unshare_expr.
1191
1192 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * doc/install.texi: Update the expected version number of PPL to 0.11.
1195         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1196         #if PPL_VERSION_MINOR < 11.
1197
1198 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * graphite-dependences.c: Include graphite-cloog-util.h.
1201         (new_poly_ddr): Inlined into dependence_polyhedron.
1202         (free_poly_ddr): Moved close by new_poly_ddr.
1203         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1204         Early return NULL when ppl_powerset_is_empty returns true.
1205         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1206         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1207         (graphite_legal_transform_dr): Call new_poly_ddr.
1208         (graphite_carried_dependence_level_k): Same.
1209         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1210         (dot_transformed_deps_stmt_1): Removed.
1211         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1212         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1213         (dot_deps_1): Call dot_deps_2.
1214         * Makefile.in (graphite-dependences.o): Add missing dependence on
1215         graphite-cloog-util.h.
1216
1217 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1220         (build_lexicographical_constraint): Same.
1221         (dependence_polyhedron_1): Same.
1222         (graphite_legal_transform_dr): Same.
1223         (graphite_carried_dependence_level_k): Same.
1224         * graphite-ppl.c (ppl_powerset_is_empty): New.
1225         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1226         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1227
1228 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1229
1230         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1231         the "a followed by b" relation and document it.
1232
1233 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1236         iteration when the bag of constraints is empty.
1237
1238 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1241
1242 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1243
1244         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1245         nest and two loop depths as parameters.
1246         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1247         lst_perfect_nestify.
1248
1249 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * graphite-dependences.c (print_pddr): Call
1252         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1253
1254 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1255
1256         * graphite-ppl.c (debug_gmp_value): New.
1257         * graphite-ppl.h (debug_gmp_value): Declared.
1258
1259 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1260
1261         * doc/install.texi: Document availability of cloog-0.16.
1262
1263 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1264
1265         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1266         invalid postdominance info.
1267
1268 2011-01-24  Jan Hubicka  <jh@suse.cz>
1269
1270         PR c/21659
1271         * doc/extend.texi (weak pragma): Drop claim that it must
1272         appear before definition.
1273         * varasm.c (merge_weak, declare_weak): Only sanity check
1274         that DECL is not output at a time it is declared weak.
1275
1276 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1277
1278         * machmode.def: Fixed comments.
1279
1280 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1281
1282         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1283
1284 2011-01-24  Paul Koning  <ni1d@arrl.net>
1285
1286         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1287         WORDS_BIG_ENDIAN.
1288
1289 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1290
1291         PR target/46519
1292         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1293         (block_info): Add scanned and prev.
1294         (move_or_delete_vzeroupper_2): Return if the basic block
1295         has been scanned and the upper 128bit state is unchanged
1296         from the last scan.
1297         (move_or_delete_vzeroupper_1): Return true if the exit
1298         state is changed.
1299         (move_or_delete_vzeroupper): Visit basic blocks using the
1300         work-list based algorithm based on vt_find_locations in
1301         var-tracking.c.
1302
1303         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1304
1305 2011-01-24  Nick Clifton  <nickc@redhat.com>
1306
1307         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1308         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1309         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1310         then define __v850e1__.
1311         * doc/invoke.texi: Document -mv850es.
1312
1313 2011-01-24  Richard Henderson  <rth@redhat.com>
1314
1315         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1316         compound unordered comparisons.
1317         * config/rx/rx.c (rx_split_fp_compare): Remove.
1318         * config/rx/rx-protos.h: Update.
1319         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1320         (cbranchsf4): Don't call rx_split_fp_compare.
1321         (*cbranchsf4): Use rx_split_cbranch.
1322         (*cmpsf): Don't accept "i" constraint.
1323         (*conditional_branch): Only valid after reload.
1324         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1325
1326 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1327
1328         PR target/47385
1329         * config/rs6000/altivec.md (vector constant splitters): Add
1330         support for creating vector single precision constants if -mvsx is
1331         used and we would create the constant using Altivec primitives.
1332
1333 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1334             Richard Sandiford  <rdsandiford@googlemail.com>
1335
1336         PR rtl-optimization/47166
1337         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1338         mechanism for PRE_MODIFY and POST_MODIFY.
1339         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1340         reloadreg.
1341
1342 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1343
1344         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1345
1346 2011-01-22  Jan Hubicka  <jh@suse.cz>
1347
1348         PR lto/47333
1349         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1350
1351 2011-01-22  Jan Hubicka  <jh@suse.cz>
1352
1353         PR tree-optimization/43884
1354         PR lto/44334
1355         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1356         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1357
1358 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1359
1360         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1361         * config/s390/s390.c (s390_register_move_cost,
1362         s390_memory_move_cost): New.
1363         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1364
1365 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1366
1367         PR middle-end/47401
1368         * except.c (sjlj_assign_call_site_values): Move setting the
1369         crtl->uses_eh_lsda flag to ...
1370         (sjlj_mark_call_sites): ... here.
1371         (sjlj_emit_function_enter): Support NULL dispatch label.
1372         (sjlj_build_landing_pads): In a function with no landing pads
1373         that still has must-not-throw regions, generate code to register
1374         a personality function with empty LSDA.
1375
1376 2011-01-21  Richard Henderson  <rth@redhat.com>
1377
1378         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1379
1380         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1381
1382         * compare-elim.c: New file.
1383         * Makefile.in (OBJS-common): Add it.
1384         (compare-elim.o): New.
1385         * common.opt (fcompare-elim): New.
1386         * opts.c (default_options_table): Add OPT_fcompare_elim.
1387         * tree-pass.h (pass_compare_elim_after_reload): New.
1388         * passes.c (init_optimization_passes): Add it.
1389         * recog.h: Protect against re-inclusion.
1390         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1391         * doc/invoke.texi (-fcompare-elim): Document it.
1392         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1393         * doc/tm.texi: Rebuild.
1394
1395 2011-01-22  Nick Clifton  <nickc@redhat.com>
1396
1397         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1398         rx_split_fp_compare.
1399
1400 2011-01-22  Nick Clifton  <nickc@redhat.com>
1401
1402         * config/rx/rx.md (UNSPEC_CONST): New.
1403         (deallocate_and_return): Wrap the amount popped off the stack in
1404         an UNSPEC_CONST in order to stop it being rejected by
1405         -mmax-constant-size.
1406         (pop_and_return): Add a "(return)" rtx.
1407         (call): Drop the immediate operand.
1408         (call_internal): Likewise.
1409         (call_value): Likewise.
1410         (call_value_internal): Likewise.
1411         (sibcall_internal): Likewise.
1412         (sibcall_value_internal): Likewise.
1413         (sibcall): Likewise.  Generate an explicit call using
1414         sibcall_internal.
1415         (sibcall_value): Likewise.
1416         (mov<>): FAIL if a constant operand is not legitimate.
1417         (addsi3_unpsec): New pattern.
1418
1419         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
1420         (ok_for_max_constant): New function.
1421         (gen_safe_add): New function.
1422         (rx_expand_prologue): Use gen_safe_add.
1423         (rx_expand_epilogue): Likewise.
1424         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1425         UNSPEC CONSTs.
1426
1427 2011-01-21  Jeff Law  <law@redhat.com>
1428
1429         PR tree-optimization/47053
1430         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1431         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1432         statements are deleted.
1433         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1434         is nonempty, then purge dead edges and cleanup the CFG.
1435
1436 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1437
1438         PR debug/47402
1439         Temporarily revert:
1440         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1441         PR debug/47106
1442         * tree-dfa.c (create_var_ann): Mark variable as used.
1443
1444 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1445
1446         PR middle-end/45566
1447         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1448         notes from other section in hot/cold partitioning even if
1449         last_action is -3.  Increment call_site_base.
1450
1451         PR rtl-optimization/47366
1452         * fwprop.c (forward_propagate_into): Return bool.  If
1453         any changes are made, -fnon-call-exceptions is used and
1454         REG_EH_REGION note is present, call purge_dead_edges
1455         and return true if it purged anything.
1456         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1457         any EH edges were purged.
1458
1459 2011-01-21  Jeff Law  <law@redhat.com>
1460
1461         PR rtl-optimization/41619
1462         * caller-save.c (setup_save_areas): Break out code to determine
1463         which hard regs are live across calls by examining the reload chains
1464         so that it is always used.
1465         Eliminate code which checked REG_N_CALLS_CROSSED.
1466
1467 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1468
1469         PR tree-optimization/47355
1470         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1471         NOP has non-debug uses beyond PHIs in new_bb.
1472
1473 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1474
1475         PR debug/47106
1476         * cfgexpand.c (account_used_vars_for_block): Only account vars
1477         that are annotated as used.
1478         (estimated_stack_frame_size): Don't set TREE_USED.
1479         * tree-dfa.c (create_var_ann): Mark variable as used.
1480
1481 2011-01-21  Richard Guenther  <rguenther@suse.de>
1482
1483         PR middle-end/47395
1484         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1485
1486 2011-01-21  Richard Guenther  <rguenther@suse.de>
1487
1488         PR tree-optimization/47365
1489         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1490         (vn_reference_lookup_pieces): Adjust.
1491         (vn_reference_lookup): Likewise.
1492         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1493         (vn_reference_lookup_3): Only look through kills if in
1494         VN_WALKREWRITE mode.
1495         (vn_reference_lookup_pieces): Adjust.
1496         (vn_reference_lookup): Likewise.
1497         (visit_reference_op_load): Likewise.
1498         (visit_reference_op_store): Likewise.
1499         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1500         (compute_avail): Likewise.
1501         (eliminate): Likewise.
1502
1503 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1504
1505         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1506         DECL_IGNORED_P non-reg vars if they are used.
1507
1508         PR tree-optimization/47391
1509         * varpool.c (const_value_known_p): Return false if
1510         decl is volatile.
1511
1512 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1513
1514         PR bootstrap/47215
1515         * config/i386/i386.c (ix86_local_alignment): Handle
1516         case for va_list_type_node is nil.
1517         (ix86_canonical_va_list_type): Likewise.
1518
1519 2011-01-21  Alan Modra  <amodra@gmail.com>
1520
1521         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1522         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1523
1524 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1525
1526         * config/arm/arm.md (define_attr type): Rename f_load
1527         and f_store to f_fpa_load and f_fpa_store. Update.
1528         (write_conflict): Deal with rename fallout.
1529         (*push_fp_multi): Likewise.
1530         * config/arm/fpa.md (f_load): Use f_fpa_load.
1531         (f_store): Use f_fpa_store.
1532         (*movsf_fpa): Likewise.
1533         (*movdf_fpa): Likewise.
1534         (*movxf_fpa): Likewise.
1535         (*thumb2_movsf_fpa): Likewise.
1536         (*thumb2_movdf_fpa): Likewise.
1537         (*thumb2_movxf_fpa): Likewise.
1538         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1539         f_loadd and f_stored.
1540         (*thumb2_movdi_vfp): Likewise.
1541         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1542         (*thumb2_movsi_vfp): Likewise.
1543         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1544         Use f_loads instead of f_load.
1545         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1546
1547 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1548
1549         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1550         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1551         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1552         (xtensa_mode_dependent_address_p): New function.
1553         (constantpool_address_p): Make static. Change return type to bool.
1554         Change argument type to const_rtx. Use CONST_INT_P predicate.
1555
1556 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1557
1558         PR debug/46583
1559         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1560
1561 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1562
1563         PR debug/47283
1564         * cfgexpand.c (expand_debug_expr): Instead of generating
1565         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1566         etc. handling.
1567
1568 2011-01-20  Richard Guenther  <rguenther@suse.de>
1569
1570         PR middle-end/47370
1571         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1572         the pointer operand of MEM_REFs.
1573
1574 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR tree-optimization/46130
1577         * ipa-split.c (consider_split): If return_bb contains non-virtual
1578         PHIs other than for retval or if split_function would not adjust it,
1579         refuse to split.
1580
1581 2011-01-20  Richard Guenther  <rguenther@suse.de>
1582
1583         PR tree-optimization/47167
1584         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1585         Revert previous change, only avoid enumeral type changes.
1586
1587 2011-01-19  Mike Stump  <mikestump@comcast.net>
1588
1589         * doc/tm.texi.in (BRANCH_COST): Englishify.
1590         * doc/tm.texi (BRANCH_COST): Likewise.
1591
1592 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1593
1594         PR c++/47291
1595         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1596         (gen_scheduled_generic_parms_dies): New functions.
1597         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1598         generation for the end of CU compilation.
1599         (dwarf2out_finish): Generate template parameters DIEs here.
1600
1601 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1602
1603         PR debug/46240
1604         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1605         debug bind stmt on merge edges.
1606
1607 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1608
1609         PR debug/47079
1610         PR debug/46724
1611         * function.c (instantiate_expr): Instantiate incoming rtl of
1612         implicit arguments, and recurse on VALUE_EXPRs.
1613         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1614         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1615
1616 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1617
1618         * c-parser.c (c_parser_for_statement): Initialize
1619         collection_expression.
1620
1621 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1622
1623         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1624
1625 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1626
1627         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1628         (LINK_SHLIB_SPEC): Don't use %(link_path).
1629         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1630
1631 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1632
1633         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1634         (NO_SHARED_LIB_SUPPORT): Remove.
1635         (LINK_SHLIB_SPEC): Remove one conditional definition.
1636
1637 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1638
1639         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1640         %{call_shared}.
1641         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1642         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1643         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1644         %{call_shared} and conditionals on these options not being passed.
1645         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1646         %{call_shared}.
1647
1648 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1649
1650         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1651         simplify.
1652
1653         * ipa-split.c: Spelling fixes.
1654
1655 2011-01-19  Richard Henderson  <rth@redhat.com>
1656
1657         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1658         (*mulsi3): Likewise.
1659
1660         * longlong.h [__mn10300__] (count_leading_zeros): New.
1661         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1662         [__mn10300__] (add_ssaaaa, subddmmss): New.
1663         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1664         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1665
1666 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1667
1668         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1669
1670 2011-01-19  Richard Henderson  <rth@redhat.com>
1671
1672         * config/mn10300/mn10300.md (addsi3_flags): New.
1673         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1674         (subsi3_flags, subc_internal, subdi3): New.
1675         (subdi3_internal, *subdi3_degenerate): New.
1676         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1677
1678         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1679         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1680         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1681         * config/mn10300/mn10300-protos.h: Update.
1682         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1683         (return_ret): Likewise.  Rename from return_internal_regs.
1684         (return_internal): Remove.
1685
1686         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1687         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1688         (mn10300_legitimate_constant_p): Likewise.
1689         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1690         (mn10300_frame_size): New.
1691         (mn10300_expand_prologue): Use it.
1692         (mn10300_expand_epilogue): Likewise.
1693         (mn10300_initial_offset): Likewise.
1694         * config/mn10300/mn10300-protos.h: Update.
1695         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1696         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1697         (prologue, epilogue, return_internal): Tidy output code.
1698         (mn10300_store_multiple_operation, return): Likewise.
1699         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1700         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1701         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1702         (load_pic, am33_load_pic): New.
1703         (mn10300_load_pic0, mn10300_load_pic1): New.
1704
1705         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1706         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1707         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1708         (cc_flags_for_mode, cc_flags_for_code): New.
1709         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1710         overflow flag is not valid.  Validate that the flags we need
1711         for the comparison are valid.
1712         (mn10300_output_cmp): Remove.
1713         (mn10300_output_add): New.
1714         (mn10300_select_cc_mode): Use cc_flags_for_code.
1715         (mn10300_split_cbranch): New.
1716         (mn10300_match_ccmode): New.
1717         (mn10300_split_and_operand_count): New.
1718         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1719         to the function.
1720         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1721         (addsi3): ... here.  Use mn10300_output_add.
1722         (*addsi3_flags): New.
1723         (*am33_subsi3, *mn10300_subsi3): Merge...
1724         (subsi3): ... here.  Use attribute isa.
1725         (*subsi3_flags): New.
1726         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1727         when possible.
1728         (*am33_andsi3, *mn10300_andsi3): Merge...
1729         (andsi3): ... here.
1730         (*andsi3_flags): New.
1731         (andsi3 splitters): New.
1732         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1733         (iorsi3): ... here.
1734         (*iorsi3_flags): New.
1735         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1736         (xorsi3): ... here.
1737         (*xorsi3_flags): New.
1738         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1739         (one_cmplsi2): ... here.
1740         (*one_cmplsi2_flags): New.
1741         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1742         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1743         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1744         use matching constraints to eliminate a self-comparison.
1745         (*integer_conditional_branch): Rename from integer_conditional_branch.
1746         Use int_mode_flags to match CC_REG.
1747         (*cbranchsi4_btst, *btstsi): New.
1748         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1749         mn10300_split_cbranch.
1750         (*am33_cmpsf): Rename from am33_cmpsf.
1751         (*float_conditional_branch): Rename from float_conditional_branch.
1752         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1753         (zero_extendqisi2): ... here.
1754         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1755         (zero_extendhisi2): ... here.
1756         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1757         (extendqisi2): ... here.
1758         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1759         (extendhisi2): ... here.
1760         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1761         (ashlsi3): ... here.
1762         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1763         (lshrsi3): ... here.
1764         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1765         (ashrsi3): ... here.
1766         (consecutive add peephole): Remove.
1767         * config/mn10300/predicates.md (label_ref_operand): New.
1768         (int_mode_flags): New.
1769         (CCZN_comparison_operator): New.
1770
1771         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1772         (throughput_42_latency_43): New reservation.
1773         (mulsidi3, umulsidi3): New expanders.
1774         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1775         the MDR register to allocation; separately allocate the low and
1776         high parts of the DImode result.
1777         (umulsidi3_internal): Similarly.
1778         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1779         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1780         (udivsi3, umodsi3): Remove.
1781         (udivmodsi4, divmodsi4): New expanders.
1782         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1783         (*divmodsi4): Simiarly.
1784         (ext_internal): New.
1785
1786         * config/mn10300/constraints.md ("z"): New constraint.
1787         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1788         (FIXED_REGISTERS): Don't fix MDR.
1789         (CALL_USED_REGSITERS): Reformat nicely.
1790         (REG_ALLOC_ORDER): Add MDR.
1791         (enum regclass): Add MDR_REGS.
1792         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1793         (IRA_COVER_CLASSES): Add MDR_REGS.
1794         (REGNO_REG_CLASS): Handle MDR_REG.
1795         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1796         (mn10300_register_move_cost): Likewise.
1797         * config/mn10300/mn10300.md (MDR_REG): New.
1798         (*movsi_internal): Handle moves to/from MDR_REGS.
1799
1800         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1801         POST_MODIFY.
1802         (mn10300_secondary_reload): Tidy combination reload classes.
1803         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1804         addresses for AM33.  Allow symbolic offsets for reg+imm.
1805         (mn10300_regno_in_class_p): New.
1806         (mn10300_legitimize_reload_address): New.
1807         * config/mn10300/mn10300.h (enum reg_class): Remove
1808         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1809         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1810         SP_OR_GENERAL_REGS.
1811         (REG_CLASS_NAMES): Update to match.
1812         (REG_CLASS_CONTENTS): Likewise.
1813         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1814         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1815         (REGNO_IN_RANGE_P): Remove.
1816         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1817         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
1818         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
1819         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
1820         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
1821         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
1822         (REGNO_GENERAL_P): New.
1823         (HAVE_POST_MODIFY_DISP): New.
1824         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
1825         (LEGITIMIZE_RELOAD_ADDRESS): New.
1826         * config/mn10300/mn10300-protos.h: Update.
1827
1828         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
1829         DATA_REGS for AM33 stack-pointer destination.
1830         (mn10300_preferred_output_reload_class): Likewise.
1831         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
1832         into a form appropriate for ...
1833         (TARGET_SECONDARY_RELOAD): New.
1834         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
1835         * config/mn10300/mn10300-protos.h: Update.
1836         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
1837         reload_insi; use the "A" constraint for the scratch; handle AM33
1838         moves of sp to non-address registers.
1839
1840         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
1841         (*movqi_internal): ... here.
1842         (*am33_movhi, *mn10300_movhi): Merge into...
1843         (*movhi_internal): ... here.
1844         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
1845         as the source/destination of moves from/to SP.
1846         (movsf): Only allow for AM33-2.
1847         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
1848         any integer constant constraint.  Only allow for AM33-2.  Tidy
1849         all of the alternative outputs.
1850         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
1851         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
1852         for MN103.
1853         (udivsi3, umodsi3): New patterns for MN103 only.
1854
1855 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
1856
1857         * doc/tm.texi.in: Spell out that a lack of register class unions
1858         can lead to ICEs.
1859         * doc/tm.texi: Regenerate.
1860
1861 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1862
1863         PR rtl-optimization/47337
1864         * dce.c (check_argument_store): New function.
1865         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
1866
1867         PR tree-optimization/47290
1868         * tree-eh.c (infinite_empty_loop_p): New function.
1869         (cleanup_empty_eh): Use it.
1870
1871 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
1872
1873         PR target/46997
1874         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
1875         (a64_expand_widen_sum): Ditto.
1876         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
1877         (vec_extract_evenodd_help): Ditto.
1878         (vec_extract_evenv4hi): Ditto.
1879         (vec_extract_oddv4hi): Ditto.
1880         (vec_extract_evenv2si): Ditto.
1881         (vec_extract_oddv2si): Ditto.
1882         (vec_extract_evenv2sf): Ditto.
1883         (vec_extract_oddv2sf): Ditto.
1884         (vec_pack_trunc_v4hi: Ditto.
1885         (vec_pack_trunc_v2si): Ditto.
1886         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
1887         (vec_interleave_highv8qi): Ditto.
1888         (mix1_r): Ditto.
1889         (vec_extract_oddv8qi): Ditto.
1890         (vec_interleave_lowv4hi): Ditto.
1891         (vec_interleave_highv4hi): Ditto.
1892         (vec_interleave_lowv2si): Ditto.
1893         (vec_interleave_highv2si): Ditto.
1894
1895 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1896
1897         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
1898         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
1899         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
1900         (pa_c_mode_for_suffix): New.
1901         (TARGET_EXPAND_BUILTIN): Define.
1902         (TARGET_C_MODE_FOR_SUFFIX): Define.
1903         (pa_builtins): Define.
1904         (pa_init_builtins): Register __float128 type and init new support
1905         builtins.
1906         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
1907         * config/pa/quadlib.c (_U_Qfcopysign): New.
1908
1909 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1910
1911         PR middle-end/46894
1912         * explow.c (allocate_dynamic_stack_space): Do not assume more than
1913         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
1914         are defined.
1915
1916 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1917
1918         PR tree-optimization/47179
1919         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
1920         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
1921
1922 2011-01-18  Richard Guenther  <rguenther@suse.de>
1923
1924         PR rtl-optimization/47216
1925         * emit-rtl.c: Include tree-flow.h.
1926         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
1927         of replicating it with different semantics.
1928         * Makefile.in (emit-rtl.o): Adjust.
1929
1930 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1931
1932         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
1933         (cortex_a9_dp): Handle neon types correctly.
1934
1935 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
1936
1937         PR rtl-optimization/47299
1938         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
1939         subtarget.  Use normal multiplication if both operands are constants.
1940         * expmed.c (expand_widening_mult): Don't try to optimize constant
1941         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
1942         before using it.
1943
1944 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1945
1946         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
1947         spacing after 'e.g.', typos, comma, hyphenation.
1948
1949 2011-01-17  Richard Henderson  <rth@redhat.com>
1950
1951         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
1952         (rx_restricted_mem_operand): New.
1953         (rx_shift_operand): Use register_operand.
1954         (rx_source_operand, rx_compare_operand): Likewise.
1955         * config/rx/rx.md (addsi3_flags): New expander.
1956         (adddi3): Rewrite as expander.
1957         (adc_internal, *adc_flags, adddi3_internal): New patterns.
1958         (subsi3_flags): New expander.
1959         (subdi3): Rewrite as expander.
1960         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
1961
1962         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
1963         (rx_init_builtins): Remove sat builtin.
1964         (rx_expand_builtin): Likewise.
1965         * config/rx/rx.md (ssaddsi3): New.
1966         (*sat): Rename from sat.  Represent the CC_REG input.
1967
1968         * config/rx/predicates.md (rshift_operator): New.
1969         * config/rx/rx.c (rx_expand_insv): Remove.
1970         * config/rx/rx-protos.h: Update.
1971         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
1972         operand to the canonical position.
1973         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
1974         (*bitclr, *bitclr_in_memory): Similarly.
1975         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
1976         (insv): Retain the zero_extract in the expansion.
1977
1978         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
1979         (bswaphi2, bitinvert, revw): Likewise.
1980
1981         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
1982         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1983         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
1984         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
1985         (bitset, bitset_in_memory): Likewise.
1986         (bitinvert, bitinvert_in_memory): Likewise.
1987         (bitclr, bitclr_in_memory): Likewise.
1988         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
1989         (rx_strend, rx_cmpstrn): Likewise.
1990         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
1991         (bitop peep2 patterns): Remove.
1992
1993         * config/rx/rx.c (rx_match_ccmode): New.
1994         * config/rx/rx-protos.h: Update.
1995         * config/rx/rx.md (abssi2): Clobber, don't set flags.
1996         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
1997         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
1998         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
1999         (fix_truncsfsi2, floatsisf2): Likewise.
2000         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2001         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2002         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2003         (*subsi3_flags, *xorsi3_flags): New.
2004
2005         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2006
2007         * config/rx/rx.c (rx_print_operand): Remove workaround for
2008         unsplit comparison operations.
2009
2010         * config/rx/rx.md (movsicc): Split after reload.
2011         (*movsicc): Merge *movsieq and *movsine via match_operator.
2012         (*stcc): New pattern.
2013
2014         * config/rx/rx.c (rx_float_compare_mode): Remove.
2015         * config/rx/rx.h (rx_float_compare_mode): Remove.
2016         * config/rx/rx.md (cstoresi4): Split after reload.
2017         (*sccc): New pattern.
2018
2019         * config/rx/predicates.md (label_ref_operand): New.
2020         (rx_z_comparison_operator): New.
2021         (rx_zs_comparison_operator): New.
2022         (rx_fp_comparison_operator): New.
2023         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2024         Validate that the flags are set properly for the comparison.
2025         (rx_gen_cond_branch_template): Remove.
2026         (rx_cc_modes_compatible): Remove.
2027         (mode_from_flags): New.
2028         (flags_from_code): Rename from flags_needed_for_conditional.
2029         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2030         (rx_select_cc_mode): Likewise.
2031         (rx_split_fp_compare): New.
2032         (rx_split_cbranch): New.
2033         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2034         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2035         (*cbranchsf4): Similarly.
2036         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2037         match_operator and rx_split_cbranch.
2038         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2039         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2040         (*cmpsi): Rename from cmpsi.
2041         (*tstsi): Rename from tstsi.
2042         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2043         (*conditional_branch): Rename from conditional_branch.
2044         (*reveresed_conditional_branch): Remove.
2045         (b<code>): Remove expander.
2046         * config/rx/rx-protos.h: Update.
2047
2048         * config/rx/rx.c (rx_compare_redundant): Remove.
2049         * config/rx/rx.md (cmpsi): Don't use it.
2050         * config/rx/rx-protos.h: Update.
2051
2052         * config/rx/rx-modes.def (CC_F): New mode.
2053         * config/rx/rx.c (rx_select_cc_mode): New.
2054         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2055         * config/rx/rx-protos.h: Update.
2056
2057 2011-01-17  Richard Henderson  <rth@redhat.com>
2058
2059         * except.c (dump_eh_tree): Fix stray ; after for statement.
2060
2061 2011-01-17  Richard Guenther  <rguenther@suse.de>
2062
2063         PR tree-optimization/47313
2064         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2065         handling before copying the body.  Properly deal with
2066         by-reference result in SSA form.
2067
2068 2011-01-17  Ian Lance Taylor  <iant@google.com>
2069
2070         PR target/47219
2071         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2072         (struct_value_alias_set): Don't define.
2073         (sparc_option_override): Don't set sparc_sr_alias_set and
2074         struct_value_alias_set.
2075         (save_or_restore_regs): Use gen_frame_mem rather than calling
2076         set_mem_alias_set.
2077         (sparc_struct_value_rtx): Likewise.
2078
2079 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2080
2081         PR target/47318
2082         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2083         __m128i.
2084         (_mm_maskstore_pd): Likewise.
2085         (_mm_maskload_ps): Likewise.
2086         (_mm_maskstore_ps): Likewise.
2087         (_mm256_maskload_pd): Change mask to __m256i.
2088         (_mm256_maskstore_pd): Likewise.
2089         (_mm256_maskload_ps): Likewise.
2090         (_mm256_maskstore_ps): Likewise.
2091
2092         * config/i386/i386-builtin-types.def: Updated.
2093         (ix86_expand_special_args_builtin): Likewise.
2094
2095         * config/i386/i386.c (bdesc_special_args): Update
2096         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2097         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2098         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2099         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2100
2101         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2102         Use <avxpermvecmode> on mask register.
2103         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2104
2105 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2106             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2107             Eric Botcazou  <ebotcazou@adacore.com>
2108
2109         PR target/46655
2110         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2111         if <= USHRT_MAX in 32-bit mode.
2112
2113 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2114
2115         * doc/install.texi (Configuration, Specific): Wrap long
2116         lines in examples.  Allow line wrapping in long options
2117         and URLs where beneficial for PDF output.
2118
2119 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2120
2121         * config/mips/mips.c (mips_classify_symbol): Don't return
2122         SYMBOL_PC_RELATIVE for nonlocal labels.
2123
2124 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2125
2126         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2127
2128 2011-01-15  Jan Hubicka  <jh@suse.cz>
2129
2130         PR tree-optimization/47276
2131         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2132         declarations as needed.
2133
2134 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2135
2136         * common.opt (fdevirtualize): New flag.
2137         * doc/invoke.texi (Option Summary): Document it.
2138         * opts.c (default_options_table): Add devirtualize flag.
2139         * ipa-prop.c (detect_type_change): Return immediately if
2140         devirtualize flag is not set.
2141         (detect_type_change_ssa): Likewise.
2142         (compute_known_type_jump_func): Likewise.
2143         (ipa_analyze_virtual_call_uses): Likewise.
2144
2145 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2146
2147         PR tree-optimization/45934
2148         PR tree-optimization/46302
2149         * ipa-prop.c (type_change_info): New type.
2150         (stmt_may_be_vtbl_ptr_store): New function.
2151         (check_stmt_for_type_change): Likewise.
2152         (detect_type_change): Likewise.
2153         (detect_type_change_ssa): Likewise.
2154         (compute_complex_assign_jump_func): Check for dynamic type change.
2155         (compute_complex_ancestor_jump_func): Likewise.
2156         (compute_known_type_jump_func): Likewise.
2157         (compute_scalar_jump_functions): Likewise.
2158         (ipa_analyze_virtual_call_uses): Likewise.
2159         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2160
2161 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2162
2163         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2164         * config/i386/i386.opt (msse5): New Alias.
2165
2166 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2167
2168         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2169         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2170         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2171         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2172
2173 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2174
2175         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2176         -mcpu options.
2177         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2178         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2179         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2180         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2181         Likewise.
2182         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2183
2184 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2185
2186         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2187
2188 2011-01-14  Mike Stump  <mikestump@comcast.net>
2189
2190         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2191         * config/fr30/fr30.md: Likweise
2192         (movsi_push): Likewise.
2193         (movsi_pop): Likewise.
2194         (enter_func): Likewise.
2195         * config/moxie/moxie.md (movsi_push): Likewise.
2196         (movsi_pop): Likewise.
2197
2198 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2199
2200         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2201         %{no_archive} %{exact_version}.
2202         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2203         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2204         %{no_archive} %{exact_version}.
2205         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2206         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2207         * config/mips/vxworks.h: Likewise.
2208
2209 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2210
2211         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2212
2213 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2214
2215         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2216         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2217
2218 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2219
2220         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2221         -nodefaultlib.
2222
2223 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2224
2225         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2226         for mcpu not cpu.
2227         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2228         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2229         not cpu.
2230         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2231         Don't handle -shlib.
2232
2233 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2234
2235         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2236         (CC1_SPEC): Don't handle -profile.
2237
2238 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2239
2240         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2241         * config/mips/mips.h (CC1_SPEC): Likewise.
2242
2243 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2244
2245         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2246         * config/mips/mips.h (CC1_SPEC): Likewise.
2247
2248 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2249
2250         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2251         * config/m32r/linux.h (LINK_SPEC): Likewise.
2252         * config/mips/linux.h (LINK_SPEC): Likewise.
2253         * config/mips/linux64.h (LINK_SPEC): Likewise.
2254         * config/sparc/linux.h (LINK_SPEC): Likewise.
2255         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2256         LINK_SPEC): Likewise.
2257         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2258
2259 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2260
2261         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2262         %{version:-v}.
2263         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2264
2265 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2266
2267         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2268         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2269
2270 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2271
2272         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2273
2274 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2275
2276         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2277         supports -Bstatic/-Bdynamic.
2278         * configure: Regenerate.
2279
2280 2011-01-14  Jan Hubicka  <jh@suse.cz>
2281         Jack Howarth <howarth@bromo.med.uc.edu>
2282
2283         PR target/46037
2284         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2285         when checking debug_info_level. Test write_symbols instead of
2286         debug_hooks->var_location when setting flag_var_tracking_uninit.
2287
2288 2011-01-14  Richard Guenther  <rguenther@suse.de>
2289
2290         PR tree-optimization/47179
2291         * target.def (ref_may_alias_errno): New target hook.
2292         * targhooks.h (default_ref_may_alias_errno): Declare.
2293         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2294         (default_ref_may_alias_errno): New function.
2295         * target.h (struct ao_ref_s): Declare.
2296         * tree-ssa-alias.c: Include target.h.
2297         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2298         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2299         (targhooks.o): Likewise.
2300         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2301         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2302
2303 2011-01-14  Richard Guenther  <rguenther@suse.de>
2304
2305         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2306
2307 2011-01-14  Richard Guenther  <rguenther@suse.de>
2308
2309         PR tree-optimization/47280
2310         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2311         return CFG changes.
2312         (tree_ssa_forward_propagate_single_use_vars): Deal with
2313         CFG changes from associate_plusminus.
2314
2315 2011-01-14  Richard Guenther  <rguenther@suse.de>
2316
2317         PR middle-end/47281
2318         Revert
2319         2011-01-11  Richard Guenther  <rguenther@suse.de>
2320
2321         PR tree-optimization/46076
2322         * tree-ssa.c (useless_type_conversion_p): Conversions from
2323         unprototyped to empty argument list function types are useless.
2324
2325 2011-01-14  Richard Guenther  <rguenther@suse.de>
2326
2327         PR tree-optimization/47286
2328         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2329
2330 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2331
2332         PR middle-end/46823
2333         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2334
2335 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2336
2337         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2338         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2339         * config/xtensa/xtensa.c (xtensa_libcall_value,
2340         xtensa_function_value_regno_p): New functions.
2341         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2342
2343 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2344
2345         PR c++/47213
2346         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2347         PE specific hook.
2348         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2349         New function prototype.
2350         * config/i386/winnt.c (i386_pe_assemble_visibility):
2351         Warn only if attribute was specified by user.
2352
2353 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2354
2355         PR target/47251
2356         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2357         floating point.
2358         (floatunsdidf2_fcfidu): Ditto.
2359
2360 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2361
2362         * config/s390/s390.c (print_operand_address): Replace 'error' with
2363         'output_operand_lossage'.
2364         (print_operand): Likewise.
2365
2366 2011-01-13  Jeff Law  <law@redhat.com>
2367
2368         PR rtl-optimization/39077
2369         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2370         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2371         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2372         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2373         * gcse.c (prune_insertions_deletions): New function.
2374         (compute_pre_data): Use it.
2375
2376 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2377
2378         PR debug/PR46973
2379         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2380         static function.
2381         (prune_unused_types_mark): Use it.
2382
2383 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2384
2385         PR rtl-optimization/45352
2386         * sel-sched.c: Update copyright years.
2387         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2388         in the advancing loop when we have issued issue_rate insns.
2389
2390 2011-01-12  Richard Henderson  <rth@redhat.com>
2391
2392         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2393         (TARGET_MD_ASM_CLOBBERS): New.
2394
2395         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2396         (TARGET_DELEGITIMIZE_ADDRESS): New.
2397
2398         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2399         (clzsi2, *bsch): New patterns.
2400
2401         * config/mn10300/mn10300.md (INT): New mode iterator.
2402         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2403
2404         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2405         flag_split_wide_types.
2406
2407         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2408         (mn10300_trampoline_init): Rewrite without a template, an immediate
2409         load and a direct branch.
2410         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2411
2412 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2413
2414         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2415         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2416         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2417         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2418
2419 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2420
2421         PR debug/47209
2422         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2423         of type.
2424
2425 2011-01-12  Jan Hubicka  <jh@suse.cz>
2426
2427         PR driver/47244
2428         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2429         (PLUGIN_COND_CLOSE): New macro.
2430         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2431
2432 2011-01-12  Richard Guenther  <rguenther@suse.de>
2433
2434         PR lto/47259
2435         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2436         register variables in a MEM_REF.
2437
2438 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2439
2440         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2441         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2442         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2443         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2444         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2445         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2446         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2447         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2448         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2449         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2450         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2451         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2452         * config/gnu-user.h: New.  Copied from linux.h.
2453         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2454         GNU_USER_TARGET_STARTFILE_SPEC.
2455         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2456         GNU_USER_TARGET_ENDFILE_SPEC.
2457         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2458         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2459         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2460         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2461         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2462         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2463         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2464         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2465         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2466         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2467         * config/arm/linux-eabi.h (CC1_SPEC): Use
2468         GNU_USER_TARGET_CC1_SPEC.
2469         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2470         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2471         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2472         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2473         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2474         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2475         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2476         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2477
2478 2011-01-12  Richard Guenther  <rguenther@suse.de>
2479
2480         PR other/46946
2481         * doc/invoke.texi (ffast-math): Document it is turned on
2482         with -Ofast.
2483
2484 2011-01-12  Jan Hubicka  <jh@suse.cz>
2485
2486         PR tree-optimization/47233
2487         * opts.c (common_handle_option): Disable ipa-reference with profile
2488         feedback.
2489
2490 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2491
2492         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2493         error message.
2494
2495 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2496
2497         * c-parser.c (c_lex_one_token): Updated and reindented some
2498         comments.  No changes in code.
2499
2500 2011-01-11  Ian Lance Taylor  <iant@google.com>
2501
2502         * godump.c (go_output_var): Don't output the variable if there is
2503         already a type with the same name.
2504
2505 2011-01-11  Ian Lance Taylor  <iant@google.com>
2506
2507         * godump.c (go_format_type): Don't generate float80.
2508
2509 2011-01-11  Richard Henderson  <rth@redhat.com>
2510
2511         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2512         declaration.  Rewrite for both speed and size.
2513         (mn10300_address_cost_1): Remove.
2514         (mn10300_register_move_cost): New.
2515         (mn10300_memory_move_cost): New.
2516         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2517         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2518         extensions, shifts, BSWAP, CLZ.
2519         (mn10300_wide_const_load_uses_clr): Remove.
2520         (TARGET_REGISTER_MOVE_COST): New.
2521         (TARGET_MEMORY_MOVE_COST): New.
2522         * config/mn10300/mn10300-protos.h: Update.
2523         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2524
2525         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2526         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2527         * config/mn10300/mn10300-protos.h: Update.
2528         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2529         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2530         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2531         (*test_int_bitfield, *test_byte_bitfield): Remove.
2532         (*bit_test, *subreg_bit_test): Remove.
2533         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2534
2535         * config/mn10300/constraints.md ("c"): Rename from "A".
2536         ("A", "D"): New constraint letters.
2537         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2538         (fmssf4, fnmasf4, fnmssf4): Likewise.
2539
2540         * config/mn10300/mn10300.md (isa): New attribute.
2541         (enabled): New attribute.
2542
2543         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2544         (abssf2, negsf2): Define only for hardware fp.
2545         (sqrtsf2): Reformat.
2546         (addsf3, subsf3, mulsf3): Merge expander and insn.
2547
2548         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2549         (DEBUGGER_AUTO_OFFSET): Remove.
2550         (DEBUGGER_ARG_OFFSET): Remove.
2551
2552         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2553         Emit register stores with the same offsets as the hardware.
2554         (mn10300_store_multiple_operation): Don't check that the register
2555         save offsets are monotonic.
2556         * config/mn10300/mn10300-protos.h: Update.
2557
2558         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2559
2560         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2561         in terms of the value on the stack, not the MDR register.
2562
2563 2011-01-11  Jan Hubicka  <jh@suse.cz>
2564
2565         PR lto/45721
2566         PR lto/45375
2567         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2568         (symbol_alias_set_destroy, symbol_alias_set_contains,
2569         propagate_aliases_backward): Declare.
2570         * lto-streamer-out.c (struct sets): New sturcture.
2571         (trivally_defined_alias): New function.
2572         (output_alias_pair_p): Rewrite.
2573         (output_unreferenced_globals): Fix output of alias pairs.
2574         (produce_symtab): Likewise.
2575         * ipa.c (function_and_variable_visibility): Set weak alias destination
2576         as needed in lto.
2577         * varasm.c (symbol_alias_set_t): Remove.
2578         (symbol_alias_set_destroy): Export.
2579         (propagate_aliases_forward, propagate_aliases_backward): New functions
2580         based on ...
2581         (compute_visible_aliases): ... this one; remove.
2582         (trivially_visible_alias): New
2583         (trivially_defined_alias): New.
2584         (remove_unreachable_alias_pairs): Rewrite.
2585         (finish_aliases_1): Reorganize code checking if alias is defined.
2586         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2587         in LTO mode.
2588
2589 2011-01-11  Richard Guenther  <rguenther@suse.de>
2590
2591         PR tree-optimization/46076
2592         * tree-ssa.c (useless_type_conversion_p): Conversions from
2593         unprototyped to empty argument list function types are useless.
2594
2595 2011-01-11  Richard Guenther  <rguenther@suse.de>
2596
2597         PR middle-end/45235
2598         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2599         volatile MEMs as MEM_READONLY_P.
2600
2601 2011-01-11  Richard Guenther  <rguenther@suse.de>
2602
2603         PR tree-optimization/47239
2604         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2605
2606 2011-01-11  Jeff Law  <law@redhat.com>
2607
2608         PR tree-optimization/47086
2609         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2610         IVs from statements that might throw.
2611
2612 2011-01-10  Jan Hubicka  <jh@suse.cz>
2613
2614         PR lto/45375
2615         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2616
2617 2011-01-10  Jan Hubicka  <jh@suse.cz>
2618
2619         PR lto/45375
2620         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2621         when correcting profile.
2622
2623 2011-01-10  Jan Hubicka  <jh@suse.cz>
2624
2625         PR lto/46083
2626         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2627         DECL_FINI_PRIORITY.
2628         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2629         Restore DECL_FINI_PRIORITY.
2630
2631 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2632
2633         * doc/gimple.texi: Fix quoting of multi-word return values in
2634         @deftypefn statements.  Ensure presence of return value.  Wrap
2635         overlong @deftypefn lines.
2636         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2637         descriptions of removed functions.
2638         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2639         of multi-word return value in @deftypefn statement.
2640
2641 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2642
2643         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2644         (Conditional Expressions, Logical Operators)
2645         (Statement and operand traversals): Do not indent smallexample
2646         code.  Fix duplicate function argument in example.
2647
2648 2011-01-10  Jeff Law  <law@redhat.com>
2649
2650         PR tree-optimization/47141
2651         * ipa-split.c (split_function): Handle case where we are
2652         returning a value and the return block has a virtual operand phi.
2653
2654 2011-01-10  Jan Hubicka  <jh@suse.cz>
2655
2656         PR tree-optimization/47234
2657         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2658         (pass_feedback_split_functions): Declare.
2659         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2660         tree-profile.
2661         * ipa-split.c (gate_split_functions): Update comments; disable
2662         split-functions for profile_arc_flag and branch_probabilities.
2663         (gate_feedback_split_functions): New function.
2664         (execute_feedback_split_functions): New function.
2665         (pass_feedback_split_functions): New global var.
2666
2667 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2668
2669         PR lto/46760
2670         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2671         calling gimple_call_set_cannot_inline.
2672
2673 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2674
2675         * config/darwin-sections.def: Remove unused section.
2676
2677 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2678
2679         PR c++/47218
2680         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2681
2682 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2683
2684         PR objc/47232
2685         * c-parser.c (c_parser_declaration_or_fndef): Improved
2686         error message.
2687
2688 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2689
2690         * config/i386/winnt.c (i386_pe_start_function): Make sure
2691         to switch back to function's section.
2692
2693 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2694
2695         PR gcc/46902
2696         PR testsuite/46912
2697         * plugin.c: Move include of dlfcn.h from here...
2698         * system.h: ... to here.
2699
2700 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2701
2702         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2703         file name.
2704         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2705         two extra empty pages in PDF output.
2706
2707 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2708
2709         PR objc/47078
2710         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2711         for error recovery purposes behave as if it was not specified so
2712         that the default type is usd.
2713
2714 2011-01-07  Jan Hubicka  <jh@suse.cz>
2715
2716         PR tree-optmization/46469
2717         * ipa.c (function_and_variable_visibility): Clear needed flags on
2718         nodes with external decls; handle weakrefs merging correctly.
2719
2720 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2721
2722         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2723         not false.
2724
2725 2011-01-07  Jan Hubicka  <jh@suse.cz>
2726
2727         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2728         and no longer claim that gold is required for linker plugin.
2729         * configure: Regenerate.
2730         * gcc.c (PLUGIN_COND): New macro.
2731         (LINK_COMMAND_SPEC): Use it.
2732         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2733         * config.in (HAVE_LTO_PLUGIN): New.
2734         * configure.ac (--with-lto-plugin): New parameter; autodetect
2735         HAVE_LTO_PLUGIN.
2736
2737 2011-01-07  Jan Hubicka  <jh@suse.cz>
2738
2739         PR tree-optimization/46367
2740         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2741         when we can update original.
2742         (cgraph_mark_inline_edge): Sanity check.
2743         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2744
2745 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2746
2747         * config/spu/spu.h (ASM_COMMENT_START): Define.
2748
2749 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2750
2751         PR driver/42445
2752         * gcc.c (%>S): New.
2753         (SWITCH_KEEP_FOR_GCC): Likewise.
2754         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2755         (do_spec_1): Handle "%>".
2756
2757         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2758
2759 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2760
2761         PR target/47201
2762         * config/i386/i386.c (ix86_delegitimize_address): If
2763         simplify_gen_subreg fails, return orig_x.
2764
2765         PR bootstrap/47187
2766         * value-prof.c (gimple_stringop_fixed_value): Handle
2767         lhs of the call properly.
2768
2769 2011-01-07  Jan Hubicka  <jh@suse.cz>
2770
2771         PR lto/45375
2772         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2773
2774 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2775
2776         * target.def (function_switched_text_sections): New hook.
2777         * doc/tm.texi: Regenerated.
2778         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2779         * final.c (default_function_switched_text_sections): New.
2780         (final_scan_insn): Call function_switched_text_sections when a
2781         mid-function section change occurs.
2782         * output.h (default_function_switched_text_sections): Declare.
2783         * config/darwin-protos.h (darwin_function_switched_text_sections):
2784         Likewise.
2785         * config/darwin.c (darwin_function_switched_text_sections): New.
2786         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2787
2788 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2789
2790         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2791         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2792         the secondary code fragment when outputting for DWARF == 2.
2793
2794 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2795
2796         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2797         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2798         Remove.
2799         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2800         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2801
2802 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2803
2804         PR debug/46704
2805         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2806         when it is not empty.
2807
2808 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2809
2810         Bobcat Enablement
2811         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2812         (case ${target}): Add btver1.
2813         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2814         -march=native recognize btver1 processors.
2815         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2816         btver1 def_and_undef
2817         * config/i386/i386.c (struct processor_costs btver1_cost): New
2818         btver1 cost table.
2819         (m_BTVER1): New definition.
2820         (m_AMD_MULTIPLE): Includes m_BTVER1.
2821         (initial_ix86_tune_features): Add btver1 tune.
2822         (processor_target_table): Add btver1 entry.
2823         (static const char *const cpu_names): Add btver1 entry.
2824         (software_prefetching_beneficial_p): Add btver1.
2825         (ix86_option_override_internal): Add btver1 instruction sets.
2826         (ix86_issue_rate): Add btver1.
2827         (ix86_adjust_cost): Add btver1.
2828         * config/i386/i386.h (TARGET_BTVER1): New definition.
2829         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
2830         (enum processor_type): Add PROCESSOR_BTVER1.
2831         * config/i386/i386.md (define_attr "cpu"): Add btver1.
2832
2833 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2834
2835         PR target/43309
2836         * config/i386/i386.c (legitimize_tls_address)
2837         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
2838         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
2839         (tls_initial_exec_64_sun): New pattern.
2840
2841 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2842
2843         * doc/invoke.texi (Overall Options): Improve wording and markup
2844         of the description of -wrapper.
2845
2846 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2847
2848         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
2849         rdynamic, threads): New Driver options.
2850
2851 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2852
2853         PR target/38118
2854         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
2855         if coming from .tdata.
2856         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
2857
2858 2011-01-06  Jan Hubicka  <jh@suse.cz>
2859
2860         PR lto/47188
2861         * collect2.c (main): Do not enable LTOmode when plugin is active.
2862
2863 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2864
2865         PR other/45915
2866         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
2867         --version output if supported.
2868         * configure: Regenerate.
2869
2870 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2871
2872         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
2873         Driver options.
2874
2875 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
2876
2877         PR c/47150
2878         * c-convert.c (convert): When converting a complex expression
2879         other than COMPLEX_EXPR to a different complex type, ensure
2880         c_save_expr is called instead of save_expr, unless in_late_binary_op.
2881         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
2882         when converting COMPLEX_TYPE.
2883
2884 2011-01-06  Ira Rosen  <irar@il.ibm.com>
2885
2886         PR tree-optimization/47139
2887         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
2888         only the last reduction value is used outside the loop.  Update
2889         documentation.
2890
2891 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
2892
2893         * config/rtems.opt: New.
2894         * config.gcc (*-*-rtems*): Use rtems.opt.
2895
2896 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
2897
2898         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
2899         processors do not support 3DNow instructions.
2900
2901 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2902
2903         * config/spu/spu.c (spu_option_override): Set parameter
2904         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
2905
2906 2011-01-05  Jan Hubicka  <jh@suse.cz>
2907
2908         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
2909         at the command line.
2910
2911 2011-01-05  Martin Jambor  <mjambor@suse.cz>
2912
2913         PR lto/47162
2914         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
2915         deltas on streamed outgoing edges.
2916         (output_node_opt_summary): Output info for outgoing edges only when
2917         the node is in new parameter set.
2918         (output_cgraph_opt_summary): New parameter set, passed to the two
2919         aforementioned functions.  Update its forward declaration and its
2920         callee too.
2921
2922 2011-01-05  Tom Tromey  <tromey@redhat.com>
2923
2924         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
2925         operator to c_finish_omp_atomic.
2926         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
2927         (build_unary_op): Update.
2928         (build_modify_expr): Update.
2929         (build_asm_expr): Update.
2930
2931 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2932
2933         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
2934         newly inserted insns.
2935         (pad_bb): Likewise.
2936         (spu_emit_branch_hint): Likewise.
2937         (insert_hbrp_for_ilb_runout): Likewise.
2938         (spu_machine_dependent_reorg): Call df_finish_pass after
2939         schedule_insns returns.
2940
2941 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2942
2943         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
2944
2945 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2946
2947         PR tree-optimization/47005
2948         * tree-sra.c (struct access): Add 'non_addressable' bit.
2949         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
2950         (decide_one_param_reduction): Return 0 if the parameter is passed by
2951         reference and one of the accesses in the group is non_addressable.
2952
2953 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2954
2955         PR tree-optimization/47056
2956         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
2957         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
2958         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
2959
2960 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2961
2962         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
2963         initializer.  Skip view conversions from aggregate types.
2964
2965 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
2966
2967         PR bootstrap/47055
2968         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
2969
2970 2011-01-04  Philipp Thomas <pth@suse.de>
2971
2972         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
2973         obvious typo.
2974
2975 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2976
2977         * function.c (thread_prologue_and_epilogue_insns): Do not crash
2978         on empty epilogue sequences.
2979
2980 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
2981
2982         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
2983         non-static): New Driver options.
2984
2985 2011-01-04  Jie Zhang  <jie@codesourcery.com>
2986
2987         PR driver/47137
2988         * gcc.c (default_compilers[]): Set combinable field to 0
2989         for all assembly languages.
2990
2991 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
2992
2993         * config/mips/loongson3a.md: New file.
2994         * config/mips/mips.md: Include loongson3a.md.
2995         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
2996         TUNE_LOONGSON_3A.
2997
2998 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
2999
3000         PR middle-end/47017
3001         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3002         instead of convert_memory_address_addr_space on the base expression.
3003
3004 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3005
3006         * config/spu/spu.c (spu_option_override): Update error text
3007         for bad -march= / -mtune= values.
3008
3009 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3010
3011         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3012         if branch-hint optimization will be performed.
3013
3014 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3015
3016         PR tree-optimization/47148
3017         * ipa-split.c (split_function): Convert arguments to
3018         DECL_ARG_TYPE if possible.
3019
3020         PR tree-optimization/47155
3021         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3022         when computing uns.
3023
3024         PR rtl-optimization/47157
3025         * combine.c (try_combine): If undobuf.other_insn becomes
3026         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3027         and set *new_direct_jump_p too.
3028
3029 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         PR tree-optimization/47021
3032         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3033
3034 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3035
3036         * gcc.c (process_command): Update copyright notice dates.
3037         * gcov.c (print_version): Likewise.
3038         * gcov-dump.c (print_version): Likewise.
3039         * mips-tfile.c (main): Likewise.
3040         * mips-tdump.c (main): Likewise.
3041
3042 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3043
3044         PR tree-optimization/46801
3045         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3046         aggregate fields start at byte boundary instead of the bit-field flag.
3047
3048 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3049
3050         PR driver/47137
3051         * gcc.c (main): Revert revision 168407.
3052
3053 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3054
3055         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3056
3057 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3058
3059         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3060         vector optab to expand vector/scalar shift, update gimple to vector.
3061
3062 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3063
3064         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3065         a thunk.
3066
3067 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3068
3069         PR tree-optimization/46984
3070         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3071         HOST_WIDE_INT.
3072         (cgraph_create_indirect_edge): Fixed line length.
3073         (cgraph_indirect_call_info): Declare.
3074         (cgraph_make_edge_direct) Update declaration.
3075         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3076         (cgraph_create_indirect_edge): Use it.
3077         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3078         callees.
3079         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3080         the new thunk_delta representation.
3081         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3082         HOST_WIDE_INT.
3083         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3084         (ipa_read_indirect_edge_info): Likewise.
3085         * lto-cgraph.c (output_edge_opt_summary): New function.
3086         (output_node_opt_summary): Call it on all outgoing edges.
3087         (input_edge_opt_summary): New function.
3088         (input_node_opt_summary): Call it on all outgoing edges.
3089
3090 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3091
3092         PR driver/47137
3093         * gcc.c (main): Don't check have_o when settting combine_inputs.
3094
3095 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3096
3097         * regrename.c: Add general comment describing the pass.
3098         (struct du_head): Remove 'length' field.
3099         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3100         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3101         Force renaming to the preferred class (if any) in the first pass and do
3102         not consider registers that belong to it in the second pass.
3103         (create_new_chain): Do not set 'length' field.
3104         (scan_rtx_reg): Likewise.
3105
3106 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3107
3108         PR tree-optimization/47140
3109         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3110         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3111         to bit_value_binop.
3112
3113         PR rtl-optimization/47028
3114         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3115         parm_birth_insn instead of at the beginning of first bb.
3116
3117 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3118
3119         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3120         Remove the word "see" before "@pxref".
3121         * doc/rtl.texi: Remove the word "see" before "@pxref".
3122
3123 2011-01-01  Jan Hubicka  <jh@suse.cz>
3124
3125         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3126         memory.
3127
3128 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3129
3130         PR target/38662
3131         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3132
3133 \f
3134 Copyright (C) 2011 Free Software Foundation, Inc.
3135
3136 Copying and distribution of this file, with or without modification,
3137 are permitted in any medium without royalty provided the copyright
3138 notice and this notice are preserved.