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