OSDN Git Service

80eb670913d35ffc60e0ce7e1109658f6e7b0e83
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
2
3         PR target/47534
4         * config/avr/libgcc.S (exit): Move .endfunc
5
6 2011-02-07  Richard Guenther  <rguenther@suse.de>
7
8         PR tree-optimization/47615
9         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
10         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
11         (run_scc_vn): Initialize it.
12         (visit_reference_op_load): Use it.
13         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
14
15 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
16
17         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
18         DImode trapping arithmetic libfuncs.
19
20 2011-02-07  Richard Guenther  <rguenther@suse.de>
21
22         PR tree-optimization/47621
23         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
24         two duplicates ...
25         (execute_update_addresses_taken): ... here.  Make it more
26         conservative in what we accept.
27
28 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
29
30         * config/sparc/freebsd.h (ASM_SPEC): Define.
31         * config/sparc/vxworks.h (ASM_SPEC): Define.
32
33 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
34
35         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
36
37 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
38
39         * doc/invoke.texi: Remove reference to compiler internals from
40         user documentation.
41
42         * reg-notes.def: Remove REG_VALUE_PROFILE.
43         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
44
45 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
46
47         PR middle-end/47610
48         * varasm.c (default_section_type_flags): If decl is NULL,
49         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
50
51 2011-02-05  Jie Zhang  <jie@codesourcery.com>
52
53         PR debug/42631
54         * web.c (entry_register): Don't clobber the number of the
55         first uninitialized reference in used[].
56
57 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
58
59         PR tree-optimization/46194
60         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
61         (build_classic_dist_vector_1): Do not represent classic distance
62         vectors when the access functions are variating in different loops.
63
64 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
65
66         * config/mips/iris6.opt: New.
67         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
68
69 2011-02-04  Richard Henderson  <rth@redhat.com>
70             Steve Ellcey  <sje@cup.hp.com>
71
72         PR target/46997
73         * config/ia64/predicates.md (mux1_brcst_element): New.
74         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
75         * config/ia64/ia64.c (ia64_unpack_assemble): New.
76         (ia64_unpack_sign): New.
77         (ia64_expand_unpack): Rewrite using new routines.
78         (ia64_expand_widen_sum): Ditto.
79         (ia64_expand_dot_prod_v8qi): Ditto.
80         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
81         routines, add endian check.
82         (pmpy2_even): Rename from pmpy2_r, add endian check.
83         (pmpy2_odd): Rename from pmpy2_l, add endian check.
84         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
85         (vec_widen_smult_hi_v4hi): Ditto.
86         (vec_widen_umult_lo_v4hi): Ditto.
87         (vec_widen_umult_hi_v4hi): Ditto.
88         (mulv2si3): Change endian checks.
89         (sdot_prodv4hi): Rewrite with new calls.
90         (udot_prodv4hi): New.
91         (vec_pack_ssat_v4hi): Add endian check.
92         (vec_pack_usat_v4hi): Ditto.
93         (vec_pack_ssat_v2si): Ditto.
94         (max1_even): Rename from max1_r, add endian check.
95         (max1_odd): Rename from max1_l, add endian check.
96         (*mux1_rev): Format change.
97         (*mux1_mix): Ditto.
98         (*mux1_shuf): Ditto.
99         (*mux1_alt): Ditto.
100         (*mux1_brcst_v8qi): Use new predicate.
101         (vec_extract_evenv8qi): Remove endian check.
102         (vec_extract_oddv8qi): Ditto.
103         (vec_interleave_lowv4hi): Format change.
104         (vec_interleave_highv4hi): Ditto.
105         (mix2_even): Rename from mix2_r, add endian check.
106         (mix2_odd): Rename from mux2_l, add endian check.
107         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
108         (vec_extract_evenodd_helper): Format change.
109         (vec_extract_evenv4hi): Remove endian check.
110         (vec_extract_oddv4hi): Remove endian check.
111         (vec_interleave_lowv2si): Format change.
112         (vec_interleave_highv2si): Format change.
113         (vec_initv2si): Remove endian check.
114         (vecinit_v2si): Add endian check.
115         (reduc_splus_v2sf): Add endian check.
116         (reduc_smax_v2sf): Ditto.
117         (reduc_smin_v2sf): Ditto.
118         (vec_initv2sf): Remove endian check.
119         (fpack): Add endian check.
120         (fswap): Add endian check.
121         (vec_interleave_highv2sf): Add endian check.
122         (vec_interleave_lowv2sf): Add endian check.
123         (fmix_lr): Add endian check.
124         (vec_setv2sf): Format change.
125         (*vec_extractv2sf_0_be): Use shift to extract operand.
126         (*vec_extractv2sf_1_be): New.
127         (vec_pack_trunc_v4hi): Add endian check.
128         (vec_pack_trunc_v2si): Format change.
129
130 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
131
132         PR inline-asm/23200
133         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
134         do bb, locus and block comparison and disallow loads if it is not set.
135         (stmt_is_replaceable_p): New function.
136         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
137         callers.
138         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
139         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
140         SSA_NAME_DEF_STMT.
141         * tree-flow.h (stmt_is_replaceable_p): New prototype.
142
143 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
144
145         * config/rs6000/xilinx.opt: New.
146         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
147
148 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
149
150         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
151
152 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
153
154         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
155         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
156         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
157         secondary_reload_info, xtensa_secondary_reload): Remove.
158         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
159         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
160         (xtensa_preferred_reload_class): Make static. Change return and
161         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
162         Use CONST_DOUBLE_P predicate.
163         (xtensa_preferred_output_reload_class): New function.
164         (xtensa_secondary_reload): Make static.
165
166 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
167
168         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
169         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
170         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
171
172 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
173
174         PR middle-end/31490
175         * output.h (SECTION_RELRO): Define.
176         (SECTION_MACH_DEP): Adjust.
177         (get_variable_section): New prototype.
178         * varpool.c (varpool_finalize_named_section_flags): New function.
179         (varpool_assemble_pending_decls): Call it.
180         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
181         * cgraphunit.c (cgraph_output_in_order): Call
182         varpool_finalize_named_section_flags.
183         * varasm.c (get_section): Allow section flags conflicts between
184         relro and read-only sections if the section hasn't been declared yet.
185         Set SECTION_OVERRIDE after diagnosing section type conflict.
186         (get_variable_section): No longer static.
187         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
188         readonly sections that need relocations.
189         (decl_readonly_section_1): New function.
190         (decl_readonly_section): Use it.
191
192         Revert:
193         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
194                     Steve Ellcey  <sje@cup.hp.com>
195
196         PR middle-end/31490
197         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
198         if section attribute used.
199
200 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
201
202         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
203         * config/darwin.c (SECTION_NO_ANCHOR): Define.
204         (darwin_init_sections): Remove assertion.
205
206 2011-02-03  Nick Clifton  <nickc@redhat.com>
207
208         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
209         lt and ge.
210         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
211         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
212         instead of "n" and "pz".
213         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
214         CC_FLAG_S.
215
216 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
217
218         PR target/47312
219         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
220         fma, expand FMA_EXPR as fma{,f,l} call.
221
222         PR lto/47274
223         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
224         copy them into a unsigned char variable and pass address of it to
225         lto_output_data_stream.
226
227         PR target/47564
228         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
229         around backend_init_target and lang_dependent_init_target calls.
230         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
231         (verify_cgraph_node): Don't call set_cfun here.  Use
232         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
233         Set error_found for incorrectly represented calls to thunks.
234
235 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
236
237         PR debug/43092
238         PR rtl-optimization/43494
239         * rtl.h (for_each_inc_dec_fn): New type.
240         (for_each_inc_dec): Declare.
241         * rtlanal.c (struct for_each_inc_dec_ops): New type.
242         (for_each_inc_dec_find_inc_dec): New fn.
243         (for_each_inc_dec_find_mem): New fn.
244         (for_each_inc_dec): New fn.
245         * dse.c (struct insn_size): Remove.
246         (replace_inc_dec, replace_inc_dec_mem): Remove.
247         (emit_inc_dec_insn_before): New fn.
248         (check_for_inc_dec): Use it, along with for_each_inc_dec.
249         (canon_address): Pass mem modes to cselib_lookup.
250         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
251         (cselib_lookup_from_insn): Likewise.
252         (cselib_subst_to_values): Likewise.
253         * cselib.c (find_slot_memmode): New var.
254         (cselib_find_slot): New fn.  Use it instead of
255         htab_find_slot_with_hash everywhere.
256         (entry_and_rtx_equal_p): Use find_slot_memmode.
257         (autoinc_split): New fn.
258         (rtx_equal_for_cselib_p): Rename and implement in terms of...
259         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
260         Deal with autoinc.  Special-case recursion into MEMs.
261         (cselib_hash_rtx): Likewise.
262         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
263         address and MEM modes.
264         (cselib_subst_to_values): Add memmode, pass it on.
265         Deal with autoinc.
266         (cselib_lookup): Add memmode argument, pass it on.
267         (cselib_lookup_from_insn): Add memmode.
268         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
269         (struct cselib_record_autoinc_data): New.
270         (cselib_record_autoinc_cb): New fn.
271         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
272         mode to cselib_lookup.  Reset autoinced REGs here instead of...
273         (cselib_process_insn): ... here.
274         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
275         to cselib_lookup.
276         (add_uses): Likewise, also to cselib_subst_to_values.
277         (add_stores): Likewise.
278         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
279         cselib_subst_to_values.
280         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
281         * gcse.c (do_local_cprop): Adjusted.
282         * postreload.c (reload_cse_simplify_set): Adjusted.
283         (reload_cse_simplify_operands): Adjusted.
284         * sel-sched-dump (debug_mem_addr_value): Pass mode.
285
286 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
287
288         PR tree-optimization/45122
289         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
290         unsafe assumptions when there's more than one loop exit.
291
292 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
293
294         PR target/47272
295         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
296         Document using vector double with the load/store builtins, and
297         that the load/store builtins always use Altivec instructions.
298
299         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
300         to use altivec memory instructions, even on VSX.
301         (vector_altivec_store_<mode>): Ditto.
302
303         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
304         function.
305
306         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
307         V2DF, V2DI support to load/store overloaded builtins.
308
309         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
310         altivec load/store builtins for V2DF/V2DI types.
311
312         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
313         set avoid indexed addresses on power6 if -maltivec.
314         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
315         vector_altivec_load/vector_altivec_store builtins.
316         (altivec_expand_st_builtin): Ditto.
317         (altivec_expand_builtin): Add VSX memory builtins.
318         (rs6000_init_builtins): Add V2DI types to internal types.
319         (altivec_init_builtins): Add support for V2DF/V2DI altivec
320         load/store builtins.
321         (rs6000_address_for_altivec): Insure memory address is appropriate
322         for Altivec.
323
324         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
325         vec_vsx_ld and vec_vsx_st.
326         (vsx_store_<mode>): Ditto.
327
328         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
329         variables to hold long long types for VSX vector memory builtins.
330         (RS6000_BTI_unsigned_long_long): Ditto.
331         (long_long_integer_type_internal_node): Ditti.
332         (long_long_unsigned_type_internal_node): Ditti.
333
334         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
335         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
336         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
337
338         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
339         short cuts.
340         (vec_vsx_st): Ditto.
341
342 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
343
344         * config/pa/pa-hpux10.opt: New.
345         * config/hpux11.opt (pthread): New Driver option.
346         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
347         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
348
349 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
350
351         * config/ia64/vms.opt: New.
352         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
353
354 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
355
356         PR target/47580
357         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
358         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
359         generator functions.
360         (vsx_floatuns<VSi><mode>2): Ditto.
361         (vsx_fix_trunc<mode><VSi>2): Ditto.
362         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
363
364 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
365
366         * config/i386/djgpp.opt (posix): New Driver option.
367
368 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
369
370         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
371         Move to the unsupported targets list.
372
373 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
374
375         PR rtl-optimization/47525
376         * df-scan.c: Update copyright years.
377         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
378         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
379
380 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
381
382         * config/i386/sysv4.h (TARGET_VERSION): Remove.
383         (SUBTARGET_RETURN_IN_MEMORY): Remove.
384         (ASM_OUTPUT_ASCII): Remove.
385         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
386
387 2011-02-02  Jeff Law  <law@redhat.com>
388
389         PR middle-end/47543
390         * reload.c (find_reloads_address): Handle reg+d address where both
391         components are invalid by reloading the entire address.
392
393 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
394             Richard Guenther  <rguenther@suse.de>
395
396         PR tree-optimization/40979
397         PR bootstrap/47044
398         * passes.c (init_optimization_passes): After LIM call copy_prop
399         and DCE to clean up.
400         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
401
402 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
403
404         PR tree-optimization/47576
405         PR tree-optimization/47555
406         * doc/invoke.texi (scev-max-expr-complexity): Documented.
407         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
408         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
409         * tree-scalar-evolution.c (follow_ssa_edge): Use
410         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
411
412 2011-02-02  Richard Guenther  <rguenther@suse.de>
413
414         PR tree-optimization/47566
415         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
416
417 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
418
419         PR debug/47106
420         PR debug/47402
421         * tree-inline.c (declare_return_variable): Remove unused caller
422         variable.
423
424         PR debug/47106
425         PR debug/47402
426         * tree-flow-inline.h (clear_is_used, is_used_p): New.
427         * cfgexpand.c (account_used_vars_for_block): Use them.
428         * tree-nrv.c (tree_nrv): Likewise.
429         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
430         (dump_scope_block): Likewise.
431         (remove_unused_locals): Likewise.
432
433         PR debug/47106
434         PR debug/47402
435         * tree-inline.c (declare_return_variable): Add result decl to
436         local decls only once.
437         * gimple-low.c (record_vars_into): Mark newly-created variables
438         as referenced.
439
440 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
441
442         PR debug/47498
443         PR debug/47501
444         PR debug/45136
445         PR debug/45130
446         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
447         debug insns.
448         (no_real_insns_p, schedule_block, set_priorities): Drop special
449         treatment of boundary debug insns.
450         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
451         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
452         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
453         (BOUNDARY_DEBUG_INSN_P): Likewise.
454         (SCHEDULE_DEBUG_INSN_P): Likewise.
455         * sched-rgn.c (init_ready_list): Drop special treatment of
456         boundary debug insns.
457         * final.c (rest_of_clean_state): Clear notes' BB.
458
459 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
460
461         * config/openbsd.opt (assert=): New Driver option.
462
463 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
464
465         * config/i386/nto.opt: New.
466         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
467
468 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
469
470         * config/i386/netware.opt: New.
471         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
472
473 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
474
475         * config/interix.opt (posix): New Driver option.
476
477 2011-02-01  DJ Delorie  <dj@redhat.com>
478
479         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
480
481         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
482         class for A0/A1.
483
484 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
485
486         PR tree-optimization/47561
487         * toplev.c (process_options): Print the Graphite flags.  Add
488         flag_loop_flatten to the list of options requiring Graphite.
489
490 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
491
492         * config/i386/cygming.opt (posix): New Driver option.
493
494 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
495
496         * config/arm/vxworks.opt: New.
497         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
498
499 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
500
501         * config/alpha/elf.opt: New.
502         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
503         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
504
505 2011-02-01  Richard Guenther  <rguenther@suse.de>
506
507         PR tree-optimization/47559
508         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
509         store-motion on references that can throw.
510
511 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
512
513         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
514         * tree-pass.h (TDF_CSELIB): New macro.
515         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
516         cselib_lookup): Check for it rather than for TDF_DETAILS.
517
518 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
519
520         PR driver/47547
521         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
522         is HOST_BIT_BUCKET.
523
524         * opts.c (finish_options): Don't add x_aux_base_name if it is
525         HOST_BIT_BUCKET.
526
527 2011-02-01  Richard Guenther  <rguenther@suse.de>
528
529         PR tree-optimization/47555
530         Revert
531         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
532
533         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
534
535 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
536
537         PR gcc/46692
538         * config/lm32/t-lm32: Add multilib for all CPU options.
539
540 2011-02-01  Richard Guenther  <rguenther@suse.de>
541
542         PR tree-optimization/47541
543         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
544         sure to have a field at offset zero.
545
546 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
547
548         * config/arc/arc.opt (EB, EL): New Driver options.
549
550 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
551
552         * config/alpha/osf5.opt: New.
553         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
554
555 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
556
557         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
558
559 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
560
561         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
562         -floop-interchange.
563         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
564         is an alias of -floop-interchange and that it requires the
565         Graphite infrastructure.
566         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
567         flag_loop_interchange based on the value of flag_tree_loop_linear.
568
569 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
570             Richard Guenther  <rguenther@suse.de>
571
572         PR tree-optimization/47538
573         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
574         type instead of r1type, except for comparisons.  For right
575         shifts and comparisons punt if there are mismatches in
576         sizetype vs. non-sizetype types.
577
578 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
579
580         * doc/sourcebuild.texi (Effective-Target Keywords): Document
581         avx_runtime.
582
583 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
584
585         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
586         version number.
587         * configure: Regenerate.
588
589 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
590
591         * configure.ac (gcc_cv_ld_static_option): Define.
592         (gcc_cv_ld_dynamic_option): Define.
593         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
594         instead.
595         (HAVE_LD_STATIC_DYNAMIC): Update message.
596         (LD_STATIC_OPTION): Define.
597         (LD_DYNAMIC_OPTION): Define.
598         * configure: Regenerate.
599         * config.in: Regenerate.
600         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
601         HAVE_LD_STATIC_DYNAMIC]: Use them.
602
603 2011-01-31  Nick Clifton  <nickc@redhat.com>
604
605         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
606         registers inside interrupt handlers if the handler is not a leaf
607         function.
608
609 2011-01-31  Nick Clifton  <nickc@redhat.com>
610
611         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
612         reg_renumber returning an INVALID_REGNUM.
613
614 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
615
616         PR libgcj/44341
617         * doc/install.texi: Document host options discarded when cross
618         configuring target libraries.
619
620 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
621
622         Reverted:
623         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
624         PR debug/45136
625         PR debug/45130
626         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
627         debug insns.
628         (no_real_insns_p, schedule_block, set_priorities): Drop special
629         treatment of boundary debug insns.
630         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
631         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
632         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
633         (BOUNDARY_DEBUG_INSN_P): Likewise.
634         (SCHEDULE_DEBUG_INSN_P): Likewise.
635         * sched-rgn.c (init_ready_list): Drop special treatment of
636         boundary debug insns.
637         * final.c (rest_of_clean-state): Clear notes' BB.
638
639 2011-01-31  Alan Modra  <amodra@gmail.com>
640
641         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
642         toc relative expressions as we do in print_operand_address.
643
644 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
645
646         * doc/extend.texi: Follow spelling conventions.
647         * doc/invoke.texi: Fix a typo.
648
649 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
650
651         * config/hpux11.opt: New.
652         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
653         ia64*-*-hpux*): Use hpux11.opt.
654
655 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
656
657         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
658         to tmake_file.
659
660 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
661
662         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
663         support sites.
664
665 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
666
667         * doc/install.texi (Binaries): Remove outdated reference for
668         Motorola 68HC11/68HC12 downloads.
669
670 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
671
672         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
673         Drepper's paper.
674
675 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
676
677         PR bootstrap/47147
678         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
679         used by NetBSD.
680
681 2011-01-28  Ahmad Sharif  <asharif@google.com>
682
683         * value-prof.c (check_counter): Corrected error message.
684
685 2011-01-29  Jie Zhang  <jie@codesourcery.com>
686
687         * config/arm/arm.c (arm_legitimize_reload_address): New.
688         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
689         arm_legitimize_reload_address.
690         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
691
692 2011-01-28  Ian Lance Taylor  <iant@google.com>
693
694         * godump.c (go_define): Ignore macros whose definitions include
695         two adjacent operands.
696
697 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
698
699         PR target/42894
700         * varasm.c (force_const_mem): Store copy of x in desc->constant
701         instead of x itself.
702         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
703         itself into REG_EQUAL note.
704
705 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
706
707         * config/freebsd.opt (posix, rdynamic): New Driver options.
708
709 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
710
711         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
712         -Bstatic/-Bdynamic.
713         * configure: Regenerate.
714
715 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
716
717         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
718         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
719
720 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
721
722         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
723         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
724         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
725         (s390_preferred_reload_class): Make static. Change return and
726         'rclass' argument type to reg_class_t.
727
728 2011-01-27  Jan Hubicka  <jh@suse.cz>
729
730         PR middle-end/46949
731         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
732         (process_function_and_variable_attributes): Check defined weakrefs.
733
734 2011-01-27  Martin Jambor  <mjambor@suse.cz>
735
736         PR tree-optimization/47228
737         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
738         build_ref_for_offset.
739
740 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
741
742         * config/spu/spu-elf.h (ASM_SPEC): Remove.
743
744 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
745
746         PR rtl-optimization/46856
747         * postreload.c (reload_combine_recognize_const_pattern): Do not
748         separate cc0 setter and user on cc0 targets.
749
750 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
751
752         PR c/43082
753         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
754         passed a VOID_TYPE expression, immediately emit an error and
755         return error_mark_node.
756
757 2011-01-26  Jeff Law  <law@redhat.com>
758
759         PR rtl-optimization/47464
760         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
761         rather than may_trap_p as needed.
762
763 2011-01-26  DJ Delorie  <dj@redhat.com>
764
765         PR rtl-optimization/46878
766         * combine.c (insn_a_feeds_b): Check for the implicit cc0
767         setter/user dependency as well.
768
769 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
770
771         PR rtl-optimization/44469
772         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
773         after removing trivially dead basic blocks.
774
775 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
776
777         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
778         * config/frv/frv.h (LINK_SPEC): Likewise.
779         * config/i386/netware.h (LINK_SPEC): Likewise.
780         * config/m68k/linux.h (ASM_SPEC): Likewise.
781         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
782         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
783         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
784         * config/sparc/linux.h (ASM_SPEC): Likewise.
785         * config/sparc/linux64.h (ASM_SPEC): Likewise.
786         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
787
788 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
789
790         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
791         * config/frv/frv.h (ASM_SPEC): Likewise.
792         * config/m68k/linux.h (ASM_SPEC): Likewise.
793         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
794         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
795         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
796         * config/sparc/linux.h (ASM_SPEC): Likewise.
797         * config/sparc/linux64.h (ASM_SPEC): Likewise.
798         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
799
800 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
801
802         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
803         * config/frv/frv.h (LINK_SPEC): Likewise.
804         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
805
806 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
807
808         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
809         * config/frv/frv.h (ASM_SPEC): Likewise.
810         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
811         * config/m68k/linux.h (ASM_SPEC): Likewise.
812         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
813         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
814         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
815         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
816         * config/sparc/linux.h (ASM_SPEC): Likewise.
817         * config/sparc/linux64.h (ASM_SPEC): Likewise.
818         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
819         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
820
821 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
822
823         PR target/46997
824         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
825         (*mux2): Ditto.
826         (vec_extract_evenodd_help): Ditto.
827         (vec_extract_evenv4hi): Ditto.
828         (vec_extract_oddv4hi): Ditto.
829         (vec_interleave_lowv2si): Ditto.
830         (vec_interleave_highv2si): Ditto.
831         (vec_extract_evenv2si): Ditto.
832         (vec_extract_oddv2si: Ditto.
833         (vec_pack_trunc_v2si): Ditto.
834
835 2011-01-22  Jan Hubicka  <jh@suse.cz>
836
837         PR target/47237
838         * cgraph.h (cgraph_local_info): New field can_change_signature.
839         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
840         signature can change.
841         (ipcp_estimate_growth): Call sequence simplify only if calle signature
842         can change.
843         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
844         (cgraph_function_versioning): We can not change signature of functions
845         that don't allow that.
846         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
847         (lto_input_node): Likewise.
848         * ipa-inline.c (compute_inline_parameters): Compute
849         local.can_change_signature.
850         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
851         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
852         functions that can not change signature.
853         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
854         init_cumulative_args): Do not use local calling conventions
855         for functions that can not change signature.
856
857 2011-01-22  Jan Hubicka  <jh@suse.cz>
858
859         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
860
861 2011-01-26  Richard Guenther  <rguenther@suse.de>
862
863         PR tree-optimization/47190
864         * cgraphunit.c (process_common_attributes): New function.
865         (process_function_and_variable_attributes): Use it.
866
867 2011-01-26  Richard Guenther  <rguenther@suse.de>
868
869         PR lto/47423
870         * cgraphbuild.c (record_eh_tables): Record reference to personality
871         function.
872
873 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
874
875         PR debug/45454
876         * sel-sched.c (moveup_expr): Don't let debug insns prevent
877         non-debug insns from moving up.
878
879 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
880
881         PR target/40125
882         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
883         t-dlldir{,-x} fragment for build and add it to tmake_file.
884         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
885         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
886         * config/i386/t-dlldir: New file.
887         (SHLIB_DLLDIR): Define.
888         * config/i386/t-dlldir-x: New file.
889         (SHLIB_DLLDIR): Define.
890         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
891         (SHLIB_INSTALL): Use it.
892
893 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
894
895         PR target/47246
896         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
897         lower bound of the allowed Thumb-2 coprocessor load/store
898         index range to -256. Add explaining comment.
899
900 2011-01-25  Ian Lance Taylor  <iant@google.com>
901
902         * godump.c (go_define): Improve lexing of macro expansion to only
903         accept expressions which match Go spec.
904
905 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
906
907         PR c++/43601
908         * tree.c (handle_dll_attribute): Handle it.
909         * doc/extend.texi (@item dllexport): Mention it.
910         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
911
912 2011-01-25  Ian Lance Taylor  <iant@google.com>
913
914         PR tree-optimization/26854
915         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
916         (decl_jump_unsafe): Move higher in file, with no other change.
917         (bind): Set has_jump_unsafe_decl if appropriate.
918         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
919         (check_earlier_gotos): Likewise.
920         (c_check_switch_jump_warnings): Likewise.
921
922 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
923
924         * doc/invoke.texi (Warning Options): Add missing hyphen.
925         (-fprofile-dir): Minor grammatical fixes.
926         (-fbranch-probabilities): Likewise.
927
928 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
929
930         PR debug/45136
931         PR debug/45130
932         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
933         debug insns.
934         (no_real_insns_p, schedule_block, set_priorities): Drop special
935         treatment of boundary debug insns.
936         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
937         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
938         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
939         (BOUNDARY_DEBUG_INSN_P): Likewise.
940         (SCHEDULE_DEBUG_INSN_P): Likewise.
941         * sched-rgn.c (init_ready_list): Drop special treatment of
942         boundary debug insns.
943         * final.c (rest_of_clean-state): Clear notes' BB.
944
945 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
946
947         * Makefile.in (LAMBDA_H): Removed.
948         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
949         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
950         lambda-trans.o, and tree-loop-linear.o.
951         (lto-symtab.o): Remove dependence on LAMBDA_H.
952         (tree-loop-linear.o): Remove rule.
953         (lambda-mat.o): Same.
954         (lambda-trans.o): Same.
955         (lambda-code.o): Same.
956         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
957         (tree-vect-slp.o): Same.
958         * hwint.h (gcd): Moved here.
959         (least_common_multiple): Same.
960         * lambda-code.c: Removed.
961         * lambda-mat.c: Removed.
962         * lambda-trans.c: Removed.
963         * lambda.h: Removed.
964         * tree-loop-linear.c: Removed.
965         * lto-symtab.c: Do not include lambda.h.
966         * omega.c (gcd): Removed.
967         * passes.c (init_optimization_passes): Remove pass_linear_transform.
968         * tree-data-ref.c (print_lambda_vector): Moved here.
969         (lambda_vector_copy): Same.
970         (lambda_matrix_copy): Same.
971         (lambda_matrix_id): Same.
972         (lambda_vector_first_nz): Same.
973         (lambda_matrix_row_add): Same.
974         (lambda_matrix_row_exchange): Same.
975         (lambda_vector_mult_const): Same.
976         (lambda_vector_negate): Same.
977         (lambda_matrix_row_negate): Same.
978         (lambda_vector_equal): Same.
979         (lambda_matrix_right_hermite): Same.
980         * tree-data-ref.h: Do not include lambda.h.
981         (lambda_vector): Moved here.
982         (lambda_matrix): Same.
983         (dependence_level): Same.
984         (lambda_transform_legal_p): Removed declaration.
985         (lambda_collect_parameters): Same.
986         (lambda_compute_access_matrices): Same.
987         (lambda_vector_gcd): Same.
988         (lambda_vector_new): Same.
989         (lambda_vector_clear): Same.
990         (lambda_vector_lexico_pos): Same.
991         (lambda_vector_zerop): Same.
992         (lambda_matrix_new): Same.
993         * tree-flow.h (least_common_multiple): Removed declaration.
994         * tree-parloops.c (lambda_trans_matrix): Moved here.
995         (LTM_MATRIX): Same.
996         (LTM_ROWSIZE): Same.
997         (LTM_COLSIZE): Same.
998         (LTM_DENOMINATOR): Same.
999         (lambda_trans_matrix_new): Same.
1000         (lambda_matrix_vector_mult): Same.
1001         (lambda_transform_legal_p): Same.
1002         * tree-pass.h (pass_linear_transform): Removed declaration.
1003         * tree-ssa-loop.c (tree_linear_transform): Removed.
1004         (gate_tree_linear_transform): Removed.
1005         (pass_linear_transform): Removed.
1006         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1007         flag_loop_interchange.
1008
1009 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1010
1011         PR tree-optimization/47265
1012         PR tree-optimization/47443
1013         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1014         if name still has some uses.
1015
1016 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1017
1018         PR tree-optimization/47382
1019         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1020         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1021
1022 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1023
1024         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1025         sjlj_except_unwind_info.
1026
1027 2011-01-25  Richard Guenther  <rguenther@suse.de>
1028
1029         PR tree-optimization/47426
1030         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1031         visible functions results escape.
1032
1033 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1034
1035         PR target/45701
1036         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1037         (arm_get_frame_offsets): Use it.
1038
1039 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1040             Jakub Jelinek  <jakub@redhat.com>
1041
1042         PR tree-optimization/47271
1043         * tree-if-conv.c (bb_postdominates_preds): New.
1044         (if_convertible_bb_p): Call bb_postdominates_preds.
1045         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1046         (predicate_scalar_phi): Call bb_postdominates_preds.
1047
1048 2011-01-25  Nick Clifton  <nickc@redhat.com>
1049
1050         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1051         * config/rx/rx.c (rx_function_value): Likewise.
1052         (rx_promote_function_mode): Likewise.
1053         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1054         in order to make it legitimate.
1055         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1056         make sure that the first operand is the same as the result register.
1057         (addsi3_unspec): Delete.
1058         (subdi3): Do not accept immediate operands.
1059         (subdi3_internal): Likewise.
1060
1061 2011-01-25  Jeff Law  <law@redhat.com>
1062
1063         PR rtl-optimization/37273
1064         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1065         handle them like argument loads from stack slots.  Do not double
1066         count memory for memory constants and argument loads from stack slots.
1067
1068 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1069
1070         PR tree-optimization/47427
1071         PR tree-optimization/47428
1072         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1073         coalesce if the new root var would be TREE_READONLY.
1074
1075 2011-01-25  Richard Guenther  <rguenther@suse.de>
1076
1077         PR middle-end/47414
1078         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1079         correct type for TBAA.
1080
1081 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1084         (close_phi_written_to_memory): Call for_each_index with
1085         dr_indices_valid_in_loop.
1086
1087 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1088
1089         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1090         when it is initialized.
1091
1092 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1093
1094         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1095         call to graphite_find_data_references_in_stmt.
1096         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1097         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1098         call to graphite_find_data_references_in_stmt.
1099         (analyze_drs_in_stmts): Same.
1100         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1101         in which the scalar analysis of indices is performed.
1102         (create_data_ref): Same.  Update call to dr_analyze_indices.
1103         (find_data_references_in_stmt): Update call to create_data_ref.
1104         (graphite_find_data_references_in_stmt): Same.
1105         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1106         declaration.
1107         (create_data_ref): Same.
1108         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1109         call to create_data_ref.
1110
1111 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1112
1113         * graphite-sese-to-poly.c (build_poly_scop): Move
1114         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1115
1116 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1117
1118         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1119         VAR_DECL, PARM_DECL, and RESULT_DECL.
1120
1121 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1122
1123         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1124         in a reduction PBB.
1125         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1126         that have already been marked as PBB_IS_REDUCTION.
1127
1128 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         * graphite-scop-detection.c (same_close_phi_node): New.
1131         (remove_duplicate_close_phi): New.
1132         (make_close_phi_nodes_unique): New.
1133         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1134
1135 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1138         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1139         of both data references to be the same.
1140
1141 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1142
1143         * graphite-dependences.c (build_lexicographical_constraint): Remove
1144         the gdim parameter.
1145         (build_lexicographical_constraint): Adjust call to
1146         ppl_powerset_is_empty.
1147         (dependence_polyhedron): Same.
1148         (graphite_legal_transform_dr): Same.
1149         (graphite_carried_dependence_level_k): Same.
1150         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1151         parameter.
1152         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1153
1154 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         * graphite-sese-to-poly.c
1157         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1158         (close_phi_written_to_memory): New.
1159         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1160         and unshare_expr.
1161
1162 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1163
1164         * doc/install.texi: Update the expected version number of PPL to 0.11.
1165         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1166         #if PPL_VERSION_MINOR < 11.
1167
1168 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1169
1170         * graphite-dependences.c: Include graphite-cloog-util.h.
1171         (new_poly_ddr): Inlined into dependence_polyhedron.
1172         (free_poly_ddr): Moved close by new_poly_ddr.
1173         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1174         Early return NULL when ppl_powerset_is_empty returns true.
1175         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1176         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1177         (graphite_legal_transform_dr): Call new_poly_ddr.
1178         (graphite_carried_dependence_level_k): Same.
1179         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1180         (dot_transformed_deps_stmt_1): Removed.
1181         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1182         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1183         (dot_deps_1): Call dot_deps_2.
1184         * Makefile.in (graphite-dependences.o): Add missing dependence on
1185         graphite-cloog-util.h.
1186
1187 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1188
1189         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1190         (build_lexicographical_constraint): Same.
1191         (dependence_polyhedron_1): Same.
1192         (graphite_legal_transform_dr): Same.
1193         (graphite_carried_dependence_level_k): Same.
1194         * graphite-ppl.c (ppl_powerset_is_empty): New.
1195         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1196         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1197
1198 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1201         the "a followed by b" relation and document it.
1202
1203 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1206         iteration when the bag of constraints is empty.
1207
1208 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1211
1212 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1215         nest and two loop depths as parameters.
1216         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1217         lst_perfect_nestify.
1218
1219 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * graphite-dependences.c (print_pddr): Call
1222         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1223
1224 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         * graphite-ppl.c (debug_gmp_value): New.
1227         * graphite-ppl.h (debug_gmp_value): Declared.
1228
1229 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1230
1231         * doc/install.texi: Document availability of cloog-0.16.
1232
1233 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1234
1235         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1236         invalid postdominance info.
1237
1238 2011-01-24  Jan Hubicka  <jh@suse.cz>
1239
1240         PR c/21659
1241         * doc/extend.texi (weak pragma): Drop claim that it must
1242         appear before definition.
1243         * varasm.c (merge_weak, declare_weak): Only sanity check
1244         that DECL is not output at a time it is declared weak.
1245
1246 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1247
1248         * machmode.def: Fixed comments.
1249
1250 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1251
1252         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1253
1254 2011-01-24  Paul Koning  <ni1d@arrl.net>
1255
1256         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1257         WORDS_BIG_ENDIAN.
1258
1259 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1260
1261         PR target/46519
1262         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1263         (block_info): Add scanned and prev.
1264         (move_or_delete_vzeroupper_2): Return if the basic block
1265         has been scanned and the upper 128bit state is unchanged
1266         from the last scan.
1267         (move_or_delete_vzeroupper_1): Return true if the exit
1268         state is changed.
1269         (move_or_delete_vzeroupper): Visit basic blocks using the
1270         work-list based algorithm based on vt_find_locations in
1271         var-tracking.c.
1272
1273         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1274
1275 2011-01-24  Nick Clifton  <nickc@redhat.com>
1276
1277         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1278         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1279         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1280         then define __v850e1__.
1281         * doc/invoke.texi: Document -mv850es.
1282
1283 2011-01-24  Richard Henderson  <rth@redhat.com>
1284
1285         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1286         compound unordered comparisons.
1287         * config/rx/rx.c (rx_split_fp_compare): Remove.
1288         * config/rx/rx-protos.h: Update.
1289         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1290         (cbranchsf4): Don't call rx_split_fp_compare.
1291         (*cbranchsf4): Use rx_split_cbranch.
1292         (*cmpsf): Don't accept "i" constraint.
1293         (*conditional_branch): Only valid after reload.
1294         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1295
1296 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1297
1298         PR target/47385
1299         * config/rs6000/altivec.md (vector constant splitters): Add
1300         support for creating vector single precision constants if -mvsx is
1301         used and we would create the constant using Altivec primitives.
1302
1303 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1304             Richard Sandiford  <rdsandiford@googlemail.com>
1305
1306         PR rtl-optimization/47166
1307         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1308         mechanism for PRE_MODIFY and POST_MODIFY.
1309         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1310         reloadreg.
1311
1312 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1313
1314         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1315
1316 2011-01-22  Jan Hubicka  <jh@suse.cz>
1317
1318         PR lto/47333
1319         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1320
1321 2011-01-22  Jan Hubicka  <jh@suse.cz>
1322
1323         PR tree-optimization/43884
1324         PR lto/44334
1325         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1326         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1327
1328 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1329
1330         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1331         * config/s390/s390.c (s390_register_move_cost,
1332         s390_memory_move_cost): New.
1333         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1334
1335 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1336
1337         PR middle-end/47401
1338         * except.c (sjlj_assign_call_site_values): Move setting the
1339         crtl->uses_eh_lsda flag to ...
1340         (sjlj_mark_call_sites): ... here.
1341         (sjlj_emit_function_enter): Support NULL dispatch label.
1342         (sjlj_build_landing_pads): In a function with no landing pads
1343         that still has must-not-throw regions, generate code to register
1344         a personality function with empty LSDA.
1345
1346 2011-01-21  Richard Henderson  <rth@redhat.com>
1347
1348         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1349
1350         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1351
1352         * compare-elim.c: New file.
1353         * Makefile.in (OBJS-common): Add it.
1354         (compare-elim.o): New.
1355         * common.opt (fcompare-elim): New.
1356         * opts.c (default_options_table): Add OPT_fcompare_elim.
1357         * tree-pass.h (pass_compare_elim_after_reload): New.
1358         * passes.c (init_optimization_passes): Add it.
1359         * recog.h: Protect against re-inclusion.
1360         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1361         * doc/invoke.texi (-fcompare-elim): Document it.
1362         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1363         * doc/tm.texi: Rebuild.
1364
1365 2011-01-22  Nick Clifton  <nickc@redhat.com>
1366
1367         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1368         rx_split_fp_compare.
1369
1370 2011-01-22  Nick Clifton  <nickc@redhat.com>
1371
1372         * config/rx/rx.md (UNSPEC_CONST): New.
1373         (deallocate_and_return): Wrap the amount popped off the stack in
1374         an UNSPEC_CONST in order to stop it being rejected by
1375         -mmax-constant-size.
1376         (pop_and_return): Add a "(return)" rtx.
1377         (call): Drop the immediate operand.
1378         (call_internal): Likewise.
1379         (call_value): Likewise.
1380         (call_value_internal): Likewise.
1381         (sibcall_internal): Likewise.
1382         (sibcall_value_internal): Likewise.
1383         (sibcall): Likewise.  Generate an explicit call using
1384         sibcall_internal.
1385         (sibcall_value): Likewise.
1386         (mov<>): FAIL if a constant operand is not legitimate.
1387         (addsi3_unpsec): New pattern.
1388
1389         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
1390         (ok_for_max_constant): New function.
1391         (gen_safe_add): New function.
1392         (rx_expand_prologue): Use gen_safe_add.
1393         (rx_expand_epilogue): Likewise.
1394         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1395         UNSPEC CONSTs.
1396
1397 2011-01-21  Jeff Law  <law@redhat.com>
1398
1399         PR tree-optimization/47053
1400         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1401         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1402         statements are deleted.
1403         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1404         is nonempty, then purge dead edges and cleanup the CFG.
1405
1406 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1407
1408         PR debug/47402
1409         Temporarily revert:
1410         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1411         PR debug/47106
1412         * tree-dfa.c (create_var_ann): Mark variable as used.
1413
1414 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1415
1416         PR middle-end/45566
1417         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1418         notes from other section in hot/cold partitioning even if
1419         last_action is -3.  Increment call_site_base.
1420
1421         PR rtl-optimization/47366
1422         * fwprop.c (forward_propagate_into): Return bool.  If
1423         any changes are made, -fnon-call-exceptions is used and
1424         REG_EH_REGION note is present, call purge_dead_edges
1425         and return true if it purged anything.
1426         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1427         any EH edges were purged.
1428
1429 2011-01-21  Jeff Law  <law@redhat.com>
1430
1431         PR rtl-optimization/41619
1432         * caller-save.c (setup_save_areas): Break out code to determine
1433         which hard regs are live across calls by examining the reload chains
1434         so that it is always used.
1435         Eliminate code which checked REG_N_CALLS_CROSSED.
1436
1437 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1438
1439         PR tree-optimization/47355
1440         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1441         NOP has non-debug uses beyond PHIs in new_bb.
1442
1443 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1444
1445         PR debug/47106
1446         * cfgexpand.c (account_used_vars_for_block): Only account vars
1447         that are annotated as used.
1448         (estimated_stack_frame_size): Don't set TREE_USED.
1449         * tree-dfa.c (create_var_ann): Mark variable as used.
1450
1451 2011-01-21  Richard Guenther  <rguenther@suse.de>
1452
1453         PR middle-end/47395
1454         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1455
1456 2011-01-21  Richard Guenther  <rguenther@suse.de>
1457
1458         PR tree-optimization/47365
1459         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1460         (vn_reference_lookup_pieces): Adjust.
1461         (vn_reference_lookup): Likewise.
1462         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1463         (vn_reference_lookup_3): Only look through kills if in
1464         VN_WALKREWRITE mode.
1465         (vn_reference_lookup_pieces): Adjust.
1466         (vn_reference_lookup): Likewise.
1467         (visit_reference_op_load): Likewise.
1468         (visit_reference_op_store): Likewise.
1469         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1470         (compute_avail): Likewise.
1471         (eliminate): Likewise.
1472
1473 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1474
1475         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1476         DECL_IGNORED_P non-reg vars if they are used.
1477
1478         PR tree-optimization/47391
1479         * varpool.c (const_value_known_p): Return false if
1480         decl is volatile.
1481
1482 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1483
1484         PR bootstrap/47215
1485         * config/i386/i386.c (ix86_local_alignment): Handle
1486         case for va_list_type_node is nil.
1487         (ix86_canonical_va_list_type): Likewise.
1488
1489 2011-01-21  Alan Modra  <amodra@gmail.com>
1490
1491         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1492         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1493
1494 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1495
1496         * config/arm/arm.md (define_attr type): Rename f_load
1497         and f_store to f_fpa_load and f_fpa_store. Update.
1498         (write_conflict): Deal with rename fallout.
1499         (*push_fp_multi): Likewise.
1500         * config/arm/fpa.md (f_load): Use f_fpa_load.
1501         (f_store): Use f_fpa_store.
1502         (*movsf_fpa): Likewise.
1503         (*movdf_fpa): Likewise.
1504         (*movxf_fpa): Likewise.
1505         (*thumb2_movsf_fpa): Likewise.
1506         (*thumb2_movdf_fpa): Likewise.
1507         (*thumb2_movxf_fpa): Likewise.
1508         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1509         f_loadd and f_stored.
1510         (*thumb2_movdi_vfp): Likewise.
1511         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1512         (*thumb2_movsi_vfp): Likewise.
1513         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1514         Use f_loads instead of f_load.
1515         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1516
1517 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1518
1519         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1520         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1521         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1522         (xtensa_mode_dependent_address_p): New function.
1523         (constantpool_address_p): Make static. Change return type to bool.
1524         Change argument type to const_rtx. Use CONST_INT_P predicate.
1525
1526 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1527
1528         PR debug/46583
1529         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1530
1531 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1532
1533         PR debug/47283
1534         * cfgexpand.c (expand_debug_expr): Instead of generating
1535         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1536         etc. handling.
1537
1538 2011-01-20  Richard Guenther  <rguenther@suse.de>
1539
1540         PR middle-end/47370
1541         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1542         the pointer operand of MEM_REFs.
1543
1544 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1545
1546         PR tree-optimization/46130
1547         * ipa-split.c (consider_split): If return_bb contains non-virtual
1548         PHIs other than for retval or if split_function would not adjust it,
1549         refuse to split.
1550
1551 2011-01-20  Richard Guenther  <rguenther@suse.de>
1552
1553         PR tree-optimization/47167
1554         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1555         Revert previous change, only avoid enumeral type changes.
1556
1557 2011-01-19  Mike Stump  <mikestump@comcast.net>
1558
1559         * doc/tm.texi.in (BRANCH_COST): Englishify.
1560         * doc/tm.texi (BRANCH_COST): Likewise.
1561
1562 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1563
1564         PR c++/47291
1565         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1566         (gen_scheduled_generic_parms_dies): New functions.
1567         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1568         generation for the end of CU compilation.
1569         (dwarf2out_finish): Generate template parameters DIEs here.
1570
1571 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1572
1573         PR debug/46240
1574         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1575         debug bind stmt on merge edges.
1576
1577 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1578
1579         PR debug/47079
1580         PR debug/46724
1581         * function.c (instantiate_expr): Instantiate incoming rtl of
1582         implicit arguments, and recurse on VALUE_EXPRs.
1583         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1584         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1585
1586 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1587
1588         * c-parser.c (c_parser_for_statement): Initialize
1589         collection_expression.
1590
1591 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1592
1593         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1594
1595 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1596
1597         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1598         (LINK_SHLIB_SPEC): Don't use %(link_path).
1599         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1600
1601 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1602
1603         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1604         (NO_SHARED_LIB_SUPPORT): Remove.
1605         (LINK_SHLIB_SPEC): Remove one conditional definition.
1606
1607 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1608
1609         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1610         %{call_shared}.
1611         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1612         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1613         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1614         %{call_shared} and conditionals on these options not being passed.
1615         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1616         %{call_shared}.
1617
1618 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1619
1620         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1621         simplify.
1622
1623         * ipa-split.c: Spelling fixes.
1624
1625 2011-01-19  Richard Henderson  <rth@redhat.com>
1626
1627         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1628         (*mulsi3): Likewise.
1629
1630         * longlong.h [__mn10300__] (count_leading_zeros): New.
1631         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1632         [__mn10300__] (add_ssaaaa, subddmmss): New.
1633         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1634         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1635
1636 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1637
1638         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1639
1640 2011-01-19  Richard Henderson  <rth@redhat.com>
1641
1642         * config/mn10300/mn10300.md (addsi3_flags): New.
1643         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1644         (subsi3_flags, subc_internal, subdi3): New.
1645         (subdi3_internal, *subdi3_degenerate): New.
1646         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1647
1648         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1649         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1650         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1651         * config/mn10300/mn10300-protos.h: Update.
1652         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1653         (return_ret): Likewise.  Rename from return_internal_regs.
1654         (return_internal): Remove.
1655
1656         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1657         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1658         (mn10300_legitimate_constant_p): Likewise.
1659         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1660         (mn10300_frame_size): New.
1661         (mn10300_expand_prologue): Use it.
1662         (mn10300_expand_epilogue): Likewise.
1663         (mn10300_initial_offset): Likewise.
1664         * config/mn10300/mn10300-protos.h: Update.
1665         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1666         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1667         (prologue, epilogue, return_internal): Tidy output code.
1668         (mn10300_store_multiple_operation, return): Likewise.
1669         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1670         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1671         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1672         (load_pic, am33_load_pic): New.
1673         (mn10300_load_pic0, mn10300_load_pic1): New.
1674
1675         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1676         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1677         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1678         (cc_flags_for_mode, cc_flags_for_code): New.
1679         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1680         overflow flag is not valid.  Validate that the flags we need
1681         for the comparison are valid.
1682         (mn10300_output_cmp): Remove.
1683         (mn10300_output_add): New.
1684         (mn10300_select_cc_mode): Use cc_flags_for_code.
1685         (mn10300_split_cbranch): New.
1686         (mn10300_match_ccmode): New.
1687         (mn10300_split_and_operand_count): New.
1688         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1689         to the function.
1690         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1691         (addsi3): ... here.  Use mn10300_output_add.
1692         (*addsi3_flags): New.
1693         (*am33_subsi3, *mn10300_subsi3): Merge...
1694         (subsi3): ... here.  Use attribute isa.
1695         (*subsi3_flags): New.
1696         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1697         when possible.
1698         (*am33_andsi3, *mn10300_andsi3): Merge...
1699         (andsi3): ... here.
1700         (*andsi3_flags): New.
1701         (andsi3 splitters): New.
1702         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1703         (iorsi3): ... here.
1704         (*iorsi3_flags): New.
1705         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1706         (xorsi3): ... here.
1707         (*xorsi3_flags): New.
1708         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1709         (one_cmplsi2): ... here.
1710         (*one_cmplsi2_flags): New.
1711         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1712         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1713         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1714         use matching constraints to eliminate a self-comparison.
1715         (*integer_conditional_branch): Rename from integer_conditional_branch.
1716         Use int_mode_flags to match CC_REG.
1717         (*cbranchsi4_btst, *btstsi): New.
1718         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1719         mn10300_split_cbranch.
1720         (*am33_cmpsf): Rename from am33_cmpsf.
1721         (*float_conditional_branch): Rename from float_conditional_branch.
1722         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1723         (zero_extendqisi2): ... here.
1724         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1725         (zero_extendhisi2): ... here.
1726         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1727         (extendqisi2): ... here.
1728         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1729         (extendhisi2): ... here.
1730         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1731         (ashlsi3): ... here.
1732         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1733         (lshrsi3): ... here.
1734         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1735         (ashrsi3): ... here.
1736         (consecutive add peephole): Remove.
1737         * config/mn10300/predicates.md (label_ref_operand): New.
1738         (int_mode_flags): New.
1739         (CCZN_comparison_operator): New.
1740
1741         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1742         (throughput_42_latency_43): New reservation.
1743         (mulsidi3, umulsidi3): New expanders.
1744         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1745         the MDR register to allocation; separately allocate the low and
1746         high parts of the DImode result.
1747         (umulsidi3_internal): Similarly.
1748         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1749         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1750         (udivsi3, umodsi3): Remove.
1751         (udivmodsi4, divmodsi4): New expanders.
1752         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1753         (*divmodsi4): Simiarly.
1754         (ext_internal): New.
1755
1756         * config/mn10300/constraints.md ("z"): New constraint.
1757         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1758         (FIXED_REGISTERS): Don't fix MDR.
1759         (CALL_USED_REGSITERS): Reformat nicely.
1760         (REG_ALLOC_ORDER): Add MDR.
1761         (enum regclass): Add MDR_REGS.
1762         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1763         (IRA_COVER_CLASSES): Add MDR_REGS.
1764         (REGNO_REG_CLASS): Handle MDR_REG.
1765         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1766         (mn10300_register_move_cost): Likewise.
1767         * config/mn10300/mn10300.md (MDR_REG): New.
1768         (*movsi_internal): Handle moves to/from MDR_REGS.
1769
1770         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1771         POST_MODIFY.
1772         (mn10300_secondary_reload): Tidy combination reload classes.
1773         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1774         addresses for AM33.  Allow symbolic offsets for reg+imm.
1775         (mn10300_regno_in_class_p): New.
1776         (mn10300_legitimize_reload_address): New.
1777         * config/mn10300/mn10300.h (enum reg_class): Remove
1778         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1779         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1780         SP_OR_GENERAL_REGS.
1781         (REG_CLASS_NAMES): Update to match.
1782         (REG_CLASS_CONTENTS): Likewise.
1783         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1784         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1785         (REGNO_IN_RANGE_P): Remove.
1786         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1787         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
1788         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
1789         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
1790         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
1791         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
1792         (REGNO_GENERAL_P): New.
1793         (HAVE_POST_MODIFY_DISP): New.
1794         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
1795         (LEGITIMIZE_RELOAD_ADDRESS): New.
1796         * config/mn10300/mn10300-protos.h: Update.
1797
1798         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
1799         DATA_REGS for AM33 stack-pointer destination.
1800         (mn10300_preferred_output_reload_class): Likewise.
1801         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
1802         into a form appropriate for ...
1803         (TARGET_SECONDARY_RELOAD): New.
1804         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
1805         * config/mn10300/mn10300-protos.h: Update.
1806         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
1807         reload_insi; use the "A" constraint for the scratch; handle AM33
1808         moves of sp to non-address registers.
1809
1810         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
1811         (*movqi_internal): ... here.
1812         (*am33_movhi, *mn10300_movhi): Merge into...
1813         (*movhi_internal): ... here.
1814         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
1815         as the source/destination of moves from/to SP.
1816         (movsf): Only allow for AM33-2.
1817         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
1818         any integer constant constraint.  Only allow for AM33-2.  Tidy
1819         all of the alternative outputs.
1820         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
1821         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
1822         for MN103.
1823         (udivsi3, umodsi3): New patterns for MN103 only.
1824
1825 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
1826
1827         * doc/tm.texi.in: Spell out that a lack of register class unions
1828         can lead to ICEs.
1829         * doc/tm.texi: Regenerate.
1830
1831 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1832
1833         PR rtl-optimization/47337
1834         * dce.c (check_argument_store): New function.
1835         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
1836
1837         PR tree-optimization/47290
1838         * tree-eh.c (infinite_empty_loop_p): New function.
1839         (cleanup_empty_eh): Use it.
1840
1841 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
1842
1843         PR target/46997
1844         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
1845         (a64_expand_widen_sum): Ditto.
1846         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
1847         (vec_extract_evenodd_help): Ditto.
1848         (vec_extract_evenv4hi): Ditto.
1849         (vec_extract_oddv4hi): Ditto.
1850         (vec_extract_evenv2si): Ditto.
1851         (vec_extract_oddv2si): Ditto.
1852         (vec_extract_evenv2sf): Ditto.
1853         (vec_extract_oddv2sf): Ditto.
1854         (vec_pack_trunc_v4hi: Ditto.
1855         (vec_pack_trunc_v2si): Ditto.
1856         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
1857         (vec_interleave_highv8qi): Ditto.
1858         (mix1_r): Ditto.
1859         (vec_extract_oddv8qi): Ditto.
1860         (vec_interleave_lowv4hi): Ditto.
1861         (vec_interleave_highv4hi): Ditto.
1862         (vec_interleave_lowv2si): Ditto.
1863         (vec_interleave_highv2si): Ditto.
1864
1865 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1866
1867         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
1868         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
1869         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
1870         (pa_c_mode_for_suffix): New.
1871         (TARGET_EXPAND_BUILTIN): Define.
1872         (TARGET_C_MODE_FOR_SUFFIX): Define.
1873         (pa_builtins): Define.
1874         (pa_init_builtins): Register __float128 type and init new support
1875         builtins.
1876         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
1877         * config/pa/quadlib.c (_U_Qfcopysign): New.
1878
1879 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1880
1881         PR middle-end/46894
1882         * explow.c (allocate_dynamic_stack_space): Do not assume more than
1883         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
1884         are defined.
1885
1886 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1887
1888         PR tree-optimization/47179
1889         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
1890         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
1891
1892 2011-01-18  Richard Guenther  <rguenther@suse.de>
1893
1894         PR rtl-optimization/47216
1895         * emit-rtl.c: Include tree-flow.h.
1896         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
1897         of replicating it with different semantics.
1898         * Makefile.in (emit-rtl.o): Adjust.
1899
1900 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1901
1902         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
1903         (cortex_a9_dp): Handle neon types correctly.
1904
1905 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
1906
1907         PR rtl-optimization/47299
1908         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
1909         subtarget.  Use normal multiplication if both operands are constants.
1910         * expmed.c (expand_widening_mult): Don't try to optimize constant
1911         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
1912         before using it.
1913
1914 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1915
1916         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
1917         spacing after 'e.g.', typos, comma, hyphenation.
1918
1919 2011-01-17  Richard Henderson  <rth@redhat.com>
1920
1921         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
1922         (rx_restricted_mem_operand): New.
1923         (rx_shift_operand): Use register_operand.
1924         (rx_source_operand, rx_compare_operand): Likewise.
1925         * config/rx/rx.md (addsi3_flags): New expander.
1926         (adddi3): Rewrite as expander.
1927         (adc_internal, *adc_flags, adddi3_internal): New patterns.
1928         (subsi3_flags): New expander.
1929         (subdi3): Rewrite as expander.
1930         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
1931
1932         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
1933         (rx_init_builtins): Remove sat builtin.
1934         (rx_expand_builtin): Likewise.
1935         * config/rx/rx.md (ssaddsi3): New.
1936         (*sat): Rename from sat.  Represent the CC_REG input.
1937
1938         * config/rx/predicates.md (rshift_operator): New.
1939         * config/rx/rx.c (rx_expand_insv): Remove.
1940         * config/rx/rx-protos.h: Update.
1941         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
1942         operand to the canonical position.
1943         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
1944         (*bitclr, *bitclr_in_memory): Similarly.
1945         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
1946         (insv): Retain the zero_extract in the expansion.
1947
1948         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
1949         (bswaphi2, bitinvert, revw): Likewise.
1950
1951         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
1952         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1953         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
1954         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
1955         (bitset, bitset_in_memory): Likewise.
1956         (bitinvert, bitinvert_in_memory): Likewise.
1957         (bitclr, bitclr_in_memory): Likewise.
1958         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
1959         (rx_strend, rx_cmpstrn): Likewise.
1960         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
1961         (bitop peep2 patterns): Remove.
1962
1963         * config/rx/rx.c (rx_match_ccmode): New.
1964         * config/rx/rx-protos.h: Update.
1965         * config/rx/rx.md (abssi2): Clobber, don't set flags.
1966         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
1967         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
1968         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
1969         (fix_truncsfsi2, floatsisf2): Likewise.
1970         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
1971         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
1972         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
1973         (*subsi3_flags, *xorsi3_flags): New.
1974
1975         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
1976
1977         * config/rx/rx.c (rx_print_operand): Remove workaround for
1978         unsplit comparison operations.
1979
1980         * config/rx/rx.md (movsicc): Split after reload.
1981         (*movsicc): Merge *movsieq and *movsine via match_operator.
1982         (*stcc): New pattern.
1983
1984         * config/rx/rx.c (rx_float_compare_mode): Remove.
1985         * config/rx/rx.h (rx_float_compare_mode): Remove.
1986         * config/rx/rx.md (cstoresi4): Split after reload.
1987         (*sccc): New pattern.
1988
1989         * config/rx/predicates.md (label_ref_operand): New.
1990         (rx_z_comparison_operator): New.
1991         (rx_zs_comparison_operator): New.
1992         (rx_fp_comparison_operator): New.
1993         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
1994         Validate that the flags are set properly for the comparison.
1995         (rx_gen_cond_branch_template): Remove.
1996         (rx_cc_modes_compatible): Remove.
1997         (mode_from_flags): New.
1998         (flags_from_code): Rename from flags_needed_for_conditional.
1999         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2000         (rx_select_cc_mode): Likewise.
2001         (rx_split_fp_compare): New.
2002         (rx_split_cbranch): New.
2003         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2004         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2005         (*cbranchsf4): Similarly.
2006         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2007         match_operator and rx_split_cbranch.
2008         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2009         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2010         (*cmpsi): Rename from cmpsi.
2011         (*tstsi): Rename from tstsi.
2012         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2013         (*conditional_branch): Rename from conditional_branch.
2014         (*reveresed_conditional_branch): Remove.
2015         (b<code>): Remove expander.
2016         * config/rx/rx-protos.h: Update.
2017
2018         * config/rx/rx.c (rx_compare_redundant): Remove.
2019         * config/rx/rx.md (cmpsi): Don't use it.
2020         * config/rx/rx-protos.h: Update.
2021
2022         * config/rx/rx-modes.def (CC_F): New mode.
2023         * config/rx/rx.c (rx_select_cc_mode): New.
2024         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2025         * config/rx/rx-protos.h: Update.
2026
2027 2011-01-17  Richard Henderson  <rth@redhat.com>
2028
2029         * except.c (dump_eh_tree): Fix stray ; after for statement.
2030
2031 2011-01-17  Richard Guenther  <rguenther@suse.de>
2032
2033         PR tree-optimization/47313
2034         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2035         handling before copying the body.  Properly deal with
2036         by-reference result in SSA form.
2037
2038 2011-01-17  Ian Lance Taylor  <iant@google.com>
2039
2040         PR target/47219
2041         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2042         (struct_value_alias_set): Don't define.
2043         (sparc_option_override): Don't set sparc_sr_alias_set and
2044         struct_value_alias_set.
2045         (save_or_restore_regs): Use gen_frame_mem rather than calling
2046         set_mem_alias_set.
2047         (sparc_struct_value_rtx): Likewise.
2048
2049 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2050
2051         PR target/47318
2052         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2053         __m128i.
2054         (_mm_maskstore_pd): Likewise.
2055         (_mm_maskload_ps): Likewise.
2056         (_mm_maskstore_ps): Likewise.
2057         (_mm256_maskload_pd): Change mask to __m256i.
2058         (_mm256_maskstore_pd): Likewise.
2059         (_mm256_maskload_ps): Likewise.
2060         (_mm256_maskstore_ps): Likewise.
2061
2062         * config/i386/i386-builtin-types.def: Updated.
2063         (ix86_expand_special_args_builtin): Likewise.
2064
2065         * config/i386/i386.c (bdesc_special_args): Update
2066         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2067         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2068         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2069         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2070
2071         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2072         Use <avxpermvecmode> on mask register.
2073         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2074
2075 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2076             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2077             Eric Botcazou  <ebotcazou@adacore.com>
2078
2079         PR target/46655
2080         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2081         if <= USHRT_MAX in 32-bit mode.
2082
2083 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2084
2085         * doc/install.texi (Configuration, Specific): Wrap long
2086         lines in examples.  Allow line wrapping in long options
2087         and URLs where beneficial for PDF output.
2088
2089 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2090
2091         * config/mips/mips.c (mips_classify_symbol): Don't return
2092         SYMBOL_PC_RELATIVE for nonlocal labels.
2093
2094 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2095
2096         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2097
2098 2011-01-15  Jan Hubicka  <jh@suse.cz>
2099
2100         PR tree-optimization/47276
2101         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2102         declarations as needed.
2103
2104 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2105
2106         * common.opt (fdevirtualize): New flag.
2107         * doc/invoke.texi (Option Summary): Document it.
2108         * opts.c (default_options_table): Add devirtualize flag.
2109         * ipa-prop.c (detect_type_change): Return immediately if
2110         devirtualize flag is not set.
2111         (detect_type_change_ssa): Likewise.
2112         (compute_known_type_jump_func): Likewise.
2113         (ipa_analyze_virtual_call_uses): Likewise.
2114
2115 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2116
2117         PR tree-optimization/45934
2118         PR tree-optimization/46302
2119         * ipa-prop.c (type_change_info): New type.
2120         (stmt_may_be_vtbl_ptr_store): New function.
2121         (check_stmt_for_type_change): Likewise.
2122         (detect_type_change): Likewise.
2123         (detect_type_change_ssa): Likewise.
2124         (compute_complex_assign_jump_func): Check for dynamic type change.
2125         (compute_complex_ancestor_jump_func): Likewise.
2126         (compute_known_type_jump_func): Likewise.
2127         (compute_scalar_jump_functions): Likewise.
2128         (ipa_analyze_virtual_call_uses): Likewise.
2129         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2130
2131 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2132
2133         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2134         * config/i386/i386.opt (msse5): New Alias.
2135
2136 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2137
2138         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2139         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2140         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2141         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2142
2143 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2144
2145         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2146         -mcpu options.
2147         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2148         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2149         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2150         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2151         Likewise.
2152         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2153
2154 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2155
2156         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2157
2158 2011-01-14  Mike Stump  <mikestump@comcast.net>
2159
2160         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2161         * config/fr30/fr30.md: Likweise
2162         (movsi_push): Likewise.
2163         (movsi_pop): Likewise.
2164         (enter_func): Likewise.
2165         * config/moxie/moxie.md (movsi_push): Likewise.
2166         (movsi_pop): Likewise.
2167
2168 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2169
2170         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2171         %{no_archive} %{exact_version}.
2172         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2173         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2174         %{no_archive} %{exact_version}.
2175         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2176         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2177         * config/mips/vxworks.h: Likewise.
2178
2179 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2180
2181         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2182
2183 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2184
2185         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2186         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2187
2188 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2189
2190         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2191         -nodefaultlib.
2192
2193 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2194
2195         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2196         for mcpu not cpu.
2197         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2198         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2199         not cpu.
2200         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2201         Don't handle -shlib.
2202
2203 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2204
2205         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2206         (CC1_SPEC): Don't handle -profile.
2207
2208 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2209
2210         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2211         * config/mips/mips.h (CC1_SPEC): Likewise.
2212
2213 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2214
2215         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2216         * config/mips/mips.h (CC1_SPEC): Likewise.
2217
2218 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2219
2220         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2221         * config/m32r/linux.h (LINK_SPEC): Likewise.
2222         * config/mips/linux.h (LINK_SPEC): Likewise.
2223         * config/mips/linux64.h (LINK_SPEC): Likewise.
2224         * config/sparc/linux.h (LINK_SPEC): Likewise.
2225         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2226         LINK_SPEC): Likewise.
2227         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2228
2229 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2230
2231         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2232         %{version:-v}.
2233         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2234
2235 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2236
2237         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2238         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2239
2240 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2241
2242         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2243
2244 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2245
2246         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2247         supports -Bstatic/-Bdynamic.
2248         * configure: Regenerate.
2249
2250 2011-01-14  Jan Hubicka  <jh@suse.cz>
2251         Jack Howarth <howarth@bromo.med.uc.edu>
2252
2253         PR target/46037
2254         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2255         when checking debug_info_level. Test write_symbols instead of
2256         debug_hooks->var_location when setting flag_var_tracking_uninit.
2257
2258 2011-01-14  Richard Guenther  <rguenther@suse.de>
2259
2260         PR tree-optimization/47179
2261         * target.def (ref_may_alias_errno): New target hook.
2262         * targhooks.h (default_ref_may_alias_errno): Declare.
2263         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2264         (default_ref_may_alias_errno): New function.
2265         * target.h (struct ao_ref_s): Declare.
2266         * tree-ssa-alias.c: Include target.h.
2267         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2268         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2269         (targhooks.o): Likewise.
2270         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2271         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2272
2273 2011-01-14  Richard Guenther  <rguenther@suse.de>
2274
2275         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2276
2277 2011-01-14  Richard Guenther  <rguenther@suse.de>
2278
2279         PR tree-optimization/47280
2280         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2281         return CFG changes.
2282         (tree_ssa_forward_propagate_single_use_vars): Deal with
2283         CFG changes from associate_plusminus.
2284
2285 2011-01-14  Richard Guenther  <rguenther@suse.de>
2286
2287         PR middle-end/47281
2288         Revert
2289         2011-01-11  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/46076
2292         * tree-ssa.c (useless_type_conversion_p): Conversions from
2293         unprototyped to empty argument list function types are useless.
2294
2295 2011-01-14  Richard Guenther  <rguenther@suse.de>
2296
2297         PR tree-optimization/47286
2298         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2299
2300 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2301
2302         PR middle-end/46823
2303         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2304
2305 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2306
2307         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2308         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2309         * config/xtensa/xtensa.c (xtensa_libcall_value,
2310         xtensa_function_value_regno_p): New functions.
2311         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2312
2313 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2314
2315         PR c++/47213
2316         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2317         PE specific hook.
2318         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2319         New function prototype.
2320         * config/i386/winnt.c (i386_pe_assemble_visibility):
2321         Warn only if attribute was specified by user.
2322
2323 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2324
2325         PR target/47251
2326         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2327         floating point.
2328         (floatunsdidf2_fcfidu): Ditto.
2329
2330 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2331
2332         * config/s390/s390.c (print_operand_address): Replace 'error' with
2333         'output_operand_lossage'.
2334         (print_operand): Likewise.
2335
2336 2011-01-13  Jeff Law  <law@redhat.com>
2337
2338         PR rtl-optimization/39077
2339         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2340         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2341         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2342         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2343         * gcse.c (prune_insertions_deletions): New function.
2344         (compute_pre_data): Use it.
2345
2346 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2347
2348         PR debug/PR46973
2349         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2350         static function.
2351         (prune_unused_types_mark): Use it.
2352
2353 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2354
2355         PR rtl-optimization/45352
2356         * sel-sched.c: Update copyright years.
2357         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2358         in the advancing loop when we have issued issue_rate insns.
2359
2360 2011-01-12  Richard Henderson  <rth@redhat.com>
2361
2362         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2363         (TARGET_MD_ASM_CLOBBERS): New.
2364
2365         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2366         (TARGET_DELEGITIMIZE_ADDRESS): New.
2367
2368         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2369         (clzsi2, *bsch): New patterns.
2370
2371         * config/mn10300/mn10300.md (INT): New mode iterator.
2372         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2373
2374         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2375         flag_split_wide_types.
2376
2377         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2378         (mn10300_trampoline_init): Rewrite without a template, an immediate
2379         load and a direct branch.
2380         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2381
2382 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2383
2384         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2385         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2386         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2387         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2388
2389 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2390
2391         PR debug/47209
2392         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2393         of type.
2394
2395 2011-01-12  Jan Hubicka  <jh@suse.cz>
2396
2397         PR driver/47244
2398         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2399         (PLUGIN_COND_CLOSE): New macro.
2400         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2401
2402 2011-01-12  Richard Guenther  <rguenther@suse.de>
2403
2404         PR lto/47259
2405         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2406         register variables in a MEM_REF.
2407
2408 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2409
2410         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2411         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2412         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2413         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2414         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2415         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2416         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2417         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2418         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2419         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2420         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2421         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2422         * config/gnu-user.h: New.  Copied from linux.h.
2423         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2424         GNU_USER_TARGET_STARTFILE_SPEC.
2425         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2426         GNU_USER_TARGET_ENDFILE_SPEC.
2427         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2428         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2429         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2430         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2431         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2432         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2433         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2434         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2435         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2436         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2437         * config/arm/linux-eabi.h (CC1_SPEC): Use
2438         GNU_USER_TARGET_CC1_SPEC.
2439         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2440         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2441         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2442         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2443         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2444         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2445         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2446         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2447
2448 2011-01-12  Richard Guenther  <rguenther@suse.de>
2449
2450         PR other/46946
2451         * doc/invoke.texi (ffast-math): Document it is turned on
2452         with -Ofast.
2453
2454 2011-01-12  Jan Hubicka  <jh@suse.cz>
2455
2456         PR tree-optimization/47233
2457         * opts.c (common_handle_option): Disable ipa-reference with profile
2458         feedback.
2459
2460 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2461
2462         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2463         error message.
2464
2465 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2466
2467         * c-parser.c (c_lex_one_token): Updated and reindented some
2468         comments.  No changes in code.
2469
2470 2011-01-11  Ian Lance Taylor  <iant@google.com>
2471
2472         * godump.c (go_output_var): Don't output the variable if there is
2473         already a type with the same name.
2474
2475 2011-01-11  Ian Lance Taylor  <iant@google.com>
2476
2477         * godump.c (go_format_type): Don't generate float80.
2478
2479 2011-01-11  Richard Henderson  <rth@redhat.com>
2480
2481         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2482         declaration.  Rewrite for both speed and size.
2483         (mn10300_address_cost_1): Remove.
2484         (mn10300_register_move_cost): New.
2485         (mn10300_memory_move_cost): New.
2486         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2487         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2488         extensions, shifts, BSWAP, CLZ.
2489         (mn10300_wide_const_load_uses_clr): Remove.
2490         (TARGET_REGISTER_MOVE_COST): New.
2491         (TARGET_MEMORY_MOVE_COST): New.
2492         * config/mn10300/mn10300-protos.h: Update.
2493         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2494
2495         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2496         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2497         * config/mn10300/mn10300-protos.h: Update.
2498         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2499         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2500         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2501         (*test_int_bitfield, *test_byte_bitfield): Remove.
2502         (*bit_test, *subreg_bit_test): Remove.
2503         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2504
2505         * config/mn10300/constraints.md ("c"): Rename from "A".
2506         ("A", "D"): New constraint letters.
2507         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2508         (fmssf4, fnmasf4, fnmssf4): Likewise.
2509
2510         * config/mn10300/mn10300.md (isa): New attribute.
2511         (enabled): New attribute.
2512
2513         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2514         (abssf2, negsf2): Define only for hardware fp.
2515         (sqrtsf2): Reformat.
2516         (addsf3, subsf3, mulsf3): Merge expander and insn.
2517
2518         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2519         (DEBUGGER_AUTO_OFFSET): Remove.
2520         (DEBUGGER_ARG_OFFSET): Remove.
2521
2522         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2523         Emit register stores with the same offsets as the hardware.
2524         (mn10300_store_multiple_operation): Don't check that the register
2525         save offsets are monotonic.
2526         * config/mn10300/mn10300-protos.h: Update.
2527
2528         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2529
2530         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2531         in terms of the value on the stack, not the MDR register.
2532
2533 2011-01-11  Jan Hubicka  <jh@suse.cz>
2534
2535         PR lto/45721
2536         PR lto/45375
2537         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2538         (symbol_alias_set_destroy, symbol_alias_set_contains,
2539         propagate_aliases_backward): Declare.
2540         * lto-streamer-out.c (struct sets): New sturcture.
2541         (trivally_defined_alias): New function.
2542         (output_alias_pair_p): Rewrite.
2543         (output_unreferenced_globals): Fix output of alias pairs.
2544         (produce_symtab): Likewise.
2545         * ipa.c (function_and_variable_visibility): Set weak alias destination
2546         as needed in lto.
2547         * varasm.c (symbol_alias_set_t): Remove.
2548         (symbol_alias_set_destroy): Export.
2549         (propagate_aliases_forward, propagate_aliases_backward): New functions
2550         based on ...
2551         (compute_visible_aliases): ... this one; remove.
2552         (trivially_visible_alias): New
2553         (trivially_defined_alias): New.
2554         (remove_unreachable_alias_pairs): Rewrite.
2555         (finish_aliases_1): Reorganize code checking if alias is defined.
2556         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2557         in LTO mode.
2558
2559 2011-01-11  Richard Guenther  <rguenther@suse.de>
2560
2561         PR tree-optimization/46076
2562         * tree-ssa.c (useless_type_conversion_p): Conversions from
2563         unprototyped to empty argument list function types are useless.
2564
2565 2011-01-11  Richard Guenther  <rguenther@suse.de>
2566
2567         PR middle-end/45235
2568         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2569         volatile MEMs as MEM_READONLY_P.
2570
2571 2011-01-11  Richard Guenther  <rguenther@suse.de>
2572
2573         PR tree-optimization/47239
2574         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2575
2576 2011-01-11  Jeff Law  <law@redhat.com>
2577
2578         PR tree-optimization/47086
2579         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2580         IVs from statements that might throw.
2581
2582 2011-01-10  Jan Hubicka  <jh@suse.cz>
2583
2584         PR lto/45375
2585         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2586
2587 2011-01-10  Jan Hubicka  <jh@suse.cz>
2588
2589         PR lto/45375
2590         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2591         when correcting profile.
2592
2593 2011-01-10  Jan Hubicka  <jh@suse.cz>
2594
2595         PR lto/46083
2596         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2597         DECL_FINI_PRIORITY.
2598         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2599         Restore DECL_FINI_PRIORITY.
2600
2601 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2602
2603         * doc/gimple.texi: Fix quoting of multi-word return values in
2604         @deftypefn statements.  Ensure presence of return value.  Wrap
2605         overlong @deftypefn lines.
2606         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2607         descriptions of removed functions.
2608         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2609         of multi-word return value in @deftypefn statement.
2610
2611 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2612
2613         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2614         (Conditional Expressions, Logical Operators)
2615         (Statement and operand traversals): Do not indent smallexample
2616         code.  Fix duplicate function argument in example.
2617
2618 2011-01-10  Jeff Law  <law@redhat.com>
2619
2620         PR tree-optimization/47141
2621         * ipa-split.c (split_function): Handle case where we are
2622         returning a value and the return block has a virtual operand phi.
2623
2624 2011-01-10  Jan Hubicka  <jh@suse.cz>
2625
2626         PR tree-optimization/47234
2627         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2628         (pass_feedback_split_functions): Declare.
2629         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2630         tree-profile.
2631         * ipa-split.c (gate_split_functions): Update comments; disable
2632         split-functions for profile_arc_flag and branch_probabilities.
2633         (gate_feedback_split_functions): New function.
2634         (execute_feedback_split_functions): New function.
2635         (pass_feedback_split_functions): New global var.
2636
2637 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2638
2639         PR lto/46760
2640         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2641         calling gimple_call_set_cannot_inline.
2642
2643 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2644
2645         * config/darwin-sections.def: Remove unused section.
2646
2647 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2648
2649         PR c++/47218
2650         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2651
2652 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2653
2654         PR objc/47232
2655         * c-parser.c (c_parser_declaration_or_fndef): Improved
2656         error message.
2657
2658 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2659
2660         * config/i386/winnt.c (i386_pe_start_function): Make sure
2661         to switch back to function's section.
2662
2663 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2664
2665         PR gcc/46902
2666         PR testsuite/46912
2667         * plugin.c: Move include of dlfcn.h from here...
2668         * system.h: ... to here.
2669
2670 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2671
2672         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2673         file name.
2674         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2675         two extra empty pages in PDF output.
2676
2677 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2678
2679         PR objc/47078
2680         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2681         for error recovery purposes behave as if it was not specified so
2682         that the default type is usd.
2683
2684 2011-01-07  Jan Hubicka  <jh@suse.cz>
2685
2686         PR tree-optmization/46469
2687         * ipa.c (function_and_variable_visibility): Clear needed flags on
2688         nodes with external decls; handle weakrefs merging correctly.
2689
2690 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2691
2692         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2693         not false.
2694
2695 2011-01-07  Jan Hubicka  <jh@suse.cz>
2696
2697         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2698         and no longer claim that gold is required for linker plugin.
2699         * configure: Regenerate.
2700         * gcc.c (PLUGIN_COND): New macro.
2701         (LINK_COMMAND_SPEC): Use it.
2702         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2703         * config.in (HAVE_LTO_PLUGIN): New.
2704         * configure.ac (--with-lto-plugin): New parameter; autodetect
2705         HAVE_LTO_PLUGIN.
2706
2707 2011-01-07  Jan Hubicka  <jh@suse.cz>
2708
2709         PR tree-optimization/46367
2710         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2711         when we can update original.
2712         (cgraph_mark_inline_edge): Sanity check.
2713         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2714
2715 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2716
2717         * config/spu/spu.h (ASM_COMMENT_START): Define.
2718
2719 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2720
2721         PR driver/42445
2722         * gcc.c (%>S): New.
2723         (SWITCH_KEEP_FOR_GCC): Likewise.
2724         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2725         (do_spec_1): Handle "%>".
2726
2727         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2728
2729 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2730
2731         PR target/47201
2732         * config/i386/i386.c (ix86_delegitimize_address): If
2733         simplify_gen_subreg fails, return orig_x.
2734
2735         PR bootstrap/47187
2736         * value-prof.c (gimple_stringop_fixed_value): Handle
2737         lhs of the call properly.
2738
2739 2011-01-07  Jan Hubicka  <jh@suse.cz>
2740
2741         PR lto/45375
2742         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2743
2744 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2745
2746         * target.def (function_switched_text_sections): New hook.
2747         * doc/tm.texi: Regenerated.
2748         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2749         * final.c (default_function_switched_text_sections): New.
2750         (final_scan_insn): Call function_switched_text_sections when a
2751         mid-function section change occurs.
2752         * output.h (default_function_switched_text_sections): Declare.
2753         * config/darwin-protos.h (darwin_function_switched_text_sections):
2754         Likewise.
2755         * config/darwin.c (darwin_function_switched_text_sections): New.
2756         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2757
2758 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2759
2760         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2761         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2762         the secondary code fragment when outputting for DWARF == 2.
2763
2764 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2765
2766         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2767         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2768         Remove.
2769         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2770         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2771
2772 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2773
2774         PR debug/46704
2775         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2776         when it is not empty.
2777
2778 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2779
2780         Bobcat Enablement
2781         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2782         (case ${target}): Add btver1.
2783         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2784         -march=native recognize btver1 processors.
2785         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2786         btver1 def_and_undef
2787         * config/i386/i386.c (struct processor_costs btver1_cost): New
2788         btver1 cost table.
2789         (m_BTVER1): New definition.
2790         (m_AMD_MULTIPLE): Includes m_BTVER1.
2791         (initial_ix86_tune_features): Add btver1 tune.
2792         (processor_target_table): Add btver1 entry.
2793         (static const char *const cpu_names): Add btver1 entry.
2794         (software_prefetching_beneficial_p): Add btver1.
2795         (ix86_option_override_internal): Add btver1 instruction sets.
2796         (ix86_issue_rate): Add btver1.
2797         (ix86_adjust_cost): Add btver1.
2798         * config/i386/i386.h (TARGET_BTVER1): New definition.
2799         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
2800         (enum processor_type): Add PROCESSOR_BTVER1.
2801         * config/i386/i386.md (define_attr "cpu"): Add btver1.
2802
2803 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2804
2805         PR target/43309
2806         * config/i386/i386.c (legitimize_tls_address)
2807         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
2808         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
2809         (tls_initial_exec_64_sun): New pattern.
2810
2811 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2812
2813         * doc/invoke.texi (Overall Options): Improve wording and markup
2814         of the description of -wrapper.
2815
2816 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2817
2818         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
2819         rdynamic, threads): New Driver options.
2820
2821 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2822
2823         PR target/38118
2824         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
2825         if coming from .tdata.
2826         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
2827
2828 2011-01-06  Jan Hubicka  <jh@suse.cz>
2829
2830         PR lto/47188
2831         * collect2.c (main): Do not enable LTOmode when plugin is active.
2832
2833 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2834
2835         PR other/45915
2836         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
2837         --version output if supported.
2838         * configure: Regenerate.
2839
2840 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2841
2842         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
2843         Driver options.
2844
2845 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
2846
2847         PR c/47150
2848         * c-convert.c (convert): When converting a complex expression
2849         other than COMPLEX_EXPR to a different complex type, ensure
2850         c_save_expr is called instead of save_expr, unless in_late_binary_op.
2851         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
2852         when converting COMPLEX_TYPE.
2853
2854 2011-01-06  Ira Rosen  <irar@il.ibm.com>
2855
2856         PR tree-optimization/47139
2857         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
2858         only the last reduction value is used outside the loop.  Update
2859         documentation.
2860
2861 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
2862
2863         * config/rtems.opt: New.
2864         * config.gcc (*-*-rtems*): Use rtems.opt.
2865
2866 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
2867
2868         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
2869         processors do not support 3DNow instructions.
2870
2871 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2872
2873         * config/spu/spu.c (spu_option_override): Set parameter
2874         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
2875
2876 2011-01-05  Jan Hubicka  <jh@suse.cz>
2877
2878         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
2879         at the command line.
2880
2881 2011-01-05  Martin Jambor  <mjambor@suse.cz>
2882
2883         PR lto/47162
2884         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
2885         deltas on streamed outgoing edges.
2886         (output_node_opt_summary): Output info for outgoing edges only when
2887         the node is in new parameter set.
2888         (output_cgraph_opt_summary): New parameter set, passed to the two
2889         aforementioned functions.  Update its forward declaration and its
2890         callee too.
2891
2892 2011-01-05  Tom Tromey  <tromey@redhat.com>
2893
2894         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
2895         operator to c_finish_omp_atomic.
2896         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
2897         (build_unary_op): Update.
2898         (build_modify_expr): Update.
2899         (build_asm_expr): Update.
2900
2901 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2902
2903         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
2904         newly inserted insns.
2905         (pad_bb): Likewise.
2906         (spu_emit_branch_hint): Likewise.
2907         (insert_hbrp_for_ilb_runout): Likewise.
2908         (spu_machine_dependent_reorg): Call df_finish_pass after
2909         schedule_insns returns.
2910
2911 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2912
2913         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
2914
2915 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2916
2917         PR tree-optimization/47005
2918         * tree-sra.c (struct access): Add 'non_addressable' bit.
2919         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
2920         (decide_one_param_reduction): Return 0 if the parameter is passed by
2921         reference and one of the accesses in the group is non_addressable.
2922
2923 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2924
2925         PR tree-optimization/47056
2926         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
2927         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
2928         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
2929
2930 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2931
2932         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
2933         initializer.  Skip view conversions from aggregate types.
2934
2935 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
2936
2937         PR bootstrap/47055
2938         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
2939
2940 2011-01-04  Philipp Thomas <pth@suse.de>
2941
2942         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
2943         obvious typo.
2944
2945 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2946
2947         * function.c (thread_prologue_and_epilogue_insns): Do not crash
2948         on empty epilogue sequences.
2949
2950 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
2951
2952         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
2953         non-static): New Driver options.
2954
2955 2011-01-04  Jie Zhang  <jie@codesourcery.com>
2956
2957         PR driver/47137
2958         * gcc.c (default_compilers[]): Set combinable field to 0
2959         for all assembly languages.
2960
2961 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
2962
2963         * config/mips/loongson3a.md: New file.
2964         * config/mips/mips.md: Include loongson3a.md.
2965         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
2966         TUNE_LOONGSON_3A.
2967
2968 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
2969
2970         PR middle-end/47017
2971         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
2972         instead of convert_memory_address_addr_space on the base expression.
2973
2974 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2975
2976         * config/spu/spu.c (spu_option_override): Update error text
2977         for bad -march= / -mtune= values.
2978
2979 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2980
2981         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
2982         if branch-hint optimization will be performed.
2983
2984 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2985
2986         PR tree-optimization/47148
2987         * ipa-split.c (split_function): Convert arguments to
2988         DECL_ARG_TYPE if possible.
2989
2990         PR tree-optimization/47155
2991         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
2992         when computing uns.
2993
2994         PR rtl-optimization/47157
2995         * combine.c (try_combine): If undobuf.other_insn becomes
2996         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
2997         and set *new_direct_jump_p too.
2998
2999 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         PR tree-optimization/47021
3002         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3003
3004 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3005
3006         * gcc.c (process_command): Update copyright notice dates.
3007         * gcov.c (print_version): Likewise.
3008         * gcov-dump.c (print_version): Likewise.
3009         * mips-tfile.c (main): Likewise.
3010         * mips-tdump.c (main): Likewise.
3011
3012 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3013
3014         PR tree-optimization/46801
3015         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3016         aggregate fields start at byte boundary instead of the bit-field flag.
3017
3018 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3019
3020         PR driver/47137
3021         * gcc.c (main): Revert revision 168407.
3022
3023 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3024
3025         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3026
3027 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3028
3029         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3030         vector optab to expand vector/scalar shift, update gimple to vector.
3031
3032 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3033
3034         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3035         a thunk.
3036
3037 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3038
3039         PR tree-optimization/46984
3040         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3041         HOST_WIDE_INT.
3042         (cgraph_create_indirect_edge): Fixed line length.
3043         (cgraph_indirect_call_info): Declare.
3044         (cgraph_make_edge_direct) Update declaration.
3045         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3046         (cgraph_create_indirect_edge): Use it.
3047         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3048         callees.
3049         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3050         the new thunk_delta representation.
3051         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3052         HOST_WIDE_INT.
3053         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3054         (ipa_read_indirect_edge_info): Likewise.
3055         * lto-cgraph.c (output_edge_opt_summary): New function.
3056         (output_node_opt_summary): Call it on all outgoing edges.
3057         (input_edge_opt_summary): New function.
3058         (input_node_opt_summary): Call it on all outgoing edges.
3059
3060 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3061
3062         PR driver/47137
3063         * gcc.c (main): Don't check have_o when settting combine_inputs.
3064
3065 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3066
3067         * regrename.c: Add general comment describing the pass.
3068         (struct du_head): Remove 'length' field.
3069         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3070         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3071         Force renaming to the preferred class (if any) in the first pass and do
3072         not consider registers that belong to it in the second pass.
3073         (create_new_chain): Do not set 'length' field.
3074         (scan_rtx_reg): Likewise.
3075
3076 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR tree-optimization/47140
3079         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3080         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3081         to bit_value_binop.
3082
3083         PR rtl-optimization/47028
3084         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3085         parm_birth_insn instead of at the beginning of first bb.
3086
3087 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3088
3089         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3090         Remove the word "see" before "@pxref".
3091         * doc/rtl.texi: Remove the word "see" before "@pxref".
3092
3093 2011-01-01  Jan Hubicka  <jh@suse.cz>
3094
3095         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3096         memory.
3097
3098 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3099
3100         PR target/38662
3101         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3102
3103 \f
3104 Copyright (C) 2011 Free Software Foundation, Inc.
3105
3106 Copying and distribution of this file, with or without modification,
3107 are permitted in any medium without royalty provided the copyright
3108 notice and this notice are preserved.