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* config/c6x/c6x.md (reserve_cycles): New attribute.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2
3         * config/c6x/c6x.md (reserve_cycles): New attribute.
4         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
5         don't reserve functional units after the branch occurs.
6
7 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
8
9         PR middle-end/52142
10         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
11         functions into non-tm_pure functions.
12
13 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
14
15         PR lto/52178
16         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
17         (iterative_hash_canonical_type): Likewise.
18         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
19         the dead edges.
20
21 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
22
23         * haifa-sched.c (prune_ready_list): Ensure that if there is a
24         sched-group insn, it either remains alone or the entire list is
25         pruned.
26
27 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
28
29         * doc/install.texi (Prerequisites): Fix grammar.
30         (Configuration): Likewise.
31
32 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
33
34         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
35         MPC as part of GCC before describing configuring with --with-gmp etc.
36         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
37         sources are present.
38
39 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
40
41         PR debug/51950
42         * dwarf2out.c (clone_tree_hash): New function.
43         (copy_decls_walk): Use it instead of clone_tree.
44
45 2012-02-14  Richard Guenther  <rguenther@suse.de>
46
47         PR tree-optimization/52244
48         PR tree-optimization/51528
49         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
50         replacements for integral types.
51
52 2012-02-14  Walter Lee  <walt@tilera.com>
53
54         * config.gcc: Handle tilegx and tilepro.
55         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
56         tilegx and tilepro.
57         Add HAVE_AS_TLS check for tilegx and tilepro.
58         * configure: Regenerate.
59         * doc/contrib.texi: Add Mat Hostetter and self.
60         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
61         Document instruction intrinsics and network accessing intrinsics.
62         (TILEPro Built-in Functions): New node.  Document instruction
63         intrinsics and network accessing intrinsics.
64         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
65         (Specific, tilepro-*-linux*): Likewise.
66         * doc/invoke.texi (TILE-Gx Options): New section.
67         (TILEPro Options): New section.
68         * doc/md.texi (TILE-Gx): New section.
69         (TILEPro): New section.
70         * common/config/tilegx/tilegx-common.c: New file.
71         * common/config/tilepro/tilepro-common.c: New file.
72         * config/tilegx/constraints.md: New file.
73         * config/tilegx/linux.h: New file.
74         * config/tilegx/mul-tables.c: New file.
75         * config/tilegx/predicates.md: New file.
76         * config/tilegx/sync.md: New file.
77         * config/tilegx/t-tilegx: New file.
78         * config/tilegx/tilegx-builtins.h: New file.
79         * config/tilegx/tilegx-c.c: New file.
80         * config/tilegx/tilegx-generic.md: New file.
81         * config/tilegx/tilegx-modes.def: New file.
82         * config/tilegx/tilegx-multiply.h: New file.
83         * config/tilegx/tilegx-protos.h: New file.
84         * config/tilegx/tilegx.c: New file.
85         * config/tilegx/tilegx.h: New file.
86         * config/tilegx/tilegx.md: New file.
87         * config/tilegx/tilegx.opt: New file.
88         * config/tilepro/constraints.md: New file.
89         * config/tilepro/gen-mul-tables.cc: New file.
90         * config/tilepro/linux.h: New file.
91         * config/tilepro/mul-tables.c: New file.
92         * config/tilepro/predicates.md: New file.
93         * config/tilepro/t-tilepro: New file.
94         * config/tilepro/tilepro-builtins.h: New file.
95         * config/tilepro/tilepro-c.c: New file.
96         * config/tilepro/tilepro-generic.md: New file.
97         * config/tilepro/tilepro-modes.def: New file.
98         * config/tilepro/tilepro-multiply.h: New file.
99         * config/tilepro/tilepro-protos.h: New file.
100         * config/tilepro/tilepro.c: New file.
101         * config/tilepro/tilepro.h: New file.
102         * config/tilepro/tilepro.md: New file.
103         * config/tilepro/tilepro.opt: New file.
104
105 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
106
107         PR tree-optimization/52210
108         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
109         vect_model_simple_cost with two entry vect_def_type array instead
110         of an address of dt.
111
112 2012-02-14  Richard Guenther  <rguenther@suse.de>
113
114         PR lto/52178
115         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
116         Do not stream DECL_QUALIFIER.
117         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
118         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
119         (find_decls_types_r): Do not walk DECL_QUALIFIER.
120
121 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
122
123         PR c/52181
124         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
125         newdecl.
126
127 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
128
129         PR bootstrap/52172
130         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
131         * cselib.c (cselib_subst_to_values_from_insn): New function.
132         * sched-deps.c (add_insn_mem_dependence,
133         sched_analyze_1, sched_analyze_2): Use it.
134
135 2012-02-13  Jan Hubicka  <jh@suse.cz>
136
137         PR middle-end/52214
138         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
139
140 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
141
142         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
143         (GTM_SELF_SPECS): Define if not already defined.
144         (driver_self_specs): Add GTM_SELF_SPECS.
145         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
146         (GTM_SELF_SPECS): Define.
147         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
148         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
149
150 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
151
152         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
153         away if seen.
154
155         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
156         non-NULL.
157
158         PR middle-end/52230
159         * omp-low.c (expand_omp_for): If a static schedule without
160         chunk size has NULL region->cont, force fd.chunk_size to be
161         integer_zero_node.
162
163 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
164
165         PR c/52190
166         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
167
168 2012-02-13  Richard Guenther  <rguenther@suse.de>
169
170         PR translation/52211
171         * passes.c (enable_disable_pass): Fix typo.
172
173 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
174
175         PR middle-end/52209
176         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
177         XOR for reduce_bit_field if type is unsigned.
178
179 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
180
181         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
182         disallow changes from SFmode to mode with different size in FP regs.
183
184 2012-02-12  Robert Millan  <rmh@gnu.org>
185             Gerald Pfeifer <gerald@pfeifer.com>
186
187         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
188         Tweak comment.
189
190 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
191
192         PR rtl-optimization/52175
193         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
194         to frame-related instructions.
195
196 2012-02-10  Jason Merrill  <jason@redhat.com>
197
198         PR c++/51910
199         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
200         (demangle_new_symbols): Fill it.
201         (scan_linker_output): Walk it.
202         (start_tweaking): Split out from scan_linker_output.
203         (maybe_tweak): Update sym->chosen.
204         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
205
206 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
207
208         PR debug/52132
209         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
210         get_true_reg.
211
212 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
213
214         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
215         having the same mode as previous compare.
216
217 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
218
219         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
220         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
221         (nonlocal_goto_internal): Likewise.
222         (nonlocal_goto): Emit a use and an indirect jump directly.
223
224 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
225
226         PR c/52190
227         * doc/extend.texi : Update comments for __atomic_compare_exchange and
228         __atomic_{is,always}_lock_free.
229
230 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
231
232         PR target/52146
233         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
234         negative constant address for x32.
235
236 2012-02-10  Richard Henderson  <rth@redhat.com>
237
238         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
239         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
240         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
241
242 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
243             Ira Rosen  <irar@il.ibm.com>
244
245         PR tree-optimization/50031
246         * targhooks.c (default_builtin_vectorization_cost): Handle
247         vec_promote_demote.
248         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
249         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
250         all types of reduction and pattern statements.
251         (vect_estimate_min_profitable_iters): Likewise.
252         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
253         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
254         for explicit realigns.
255         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
256         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
257         vec_promote_demote.
258         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
259         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
260         vec_perm for VSX and handle vec_promote_demote.
261
262 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
263
264         PR middle-end/52177
265         * builtins.c (fold_builtin_atomic_always_lock_free,
266         expand_builtin_atomic_always_lock_free,
267         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
268         Return and/or test boolean_true_node/boolean_false_node instead of
269         integer_one_node/integer_zero_node.
270
271 2012-02-10  Jan Hubicka  <jh@suse.cz>
272
273         PR middle-end/48600
274         * predict.c (predict_paths_for_bb): Prevent looping.
275         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
276
277 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
278
279         * config/arm/arm.c (output_move_double): In one case properly
280         count number of instructions that will be emitted.
281
282 2012-02-10  Richard Guenther  <rguenther@suse.de>
283
284         PR translation/52193
285         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
286
287 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
288
289         PR middle-end/52140
290         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
291
292 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
293
294         PR debug/52165
295         * var-tracking.c (emit_note_insn_var_location): If
296         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
297         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
298         non-NOTE_DURING_CALL_P insn.
299
300 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
301
302         PR middle-end/51867
303         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
304
305 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
306
307         PR driver/48524
308         * gcc.c (switch_matches) Support switches with separated form,
309         -D and -U.
310
311 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
312
313         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
314         (SP_ADDR): Ditto.
315         (RAMPZ_ADDR): Ditto.
316         * config/avr/avr.c (avr_addr_t): New typedef.
317         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
318         (avr_init_expanders): Initialize it.
319         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
320         SREG_ADDR.
321         (expand_epilogue): Ditto.
322         (avr_print_operand): Ditto.
323         (avr_file_start): Ditto.
324         (avr_emit_movmemhi): Ditto.
325
326 2012-02-08  Richard Guenther  <rguenther@suse.de>
327
328         PR tree-optimization/46886
329         * tree-flow.h (do_while_loop_p): Declare.
330         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
331         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
332
333 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
334
335         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
336         always succeed for integers larger than a native word.
337
338 2012-02-08  Richard Guenther  <rguenther@suse.de>
339
340         PR rtl-optimization/52170
341         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
342         properly handle integer vector modes.
343
344 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
345
346         PR gcov-profile/52150
347         * coverage.c: Include target.h.
348         (build_var): Call targetm.strip_name_encoding on the assembler name.
349         Change one _ into . or $ if the target allows it.
350         * Makefile.in (coverage.o): Depend on $(TARGET_H).
351
352         PR rtl-optimization/52139
353         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
354         is a BARRIER after emit_insn_after_noloc, move BB_END
355         to the last non-BARRIER insn before it.
356
357 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
358
359         PR middle-end/24306
360         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
361         (mips_gimplify_va_arg_expr): Call it instead of
362         std_gimplify_va_arg_expr.
363
364 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
365
366         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
367         message for -mno-pointers-to-nested-function.
368
369 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
370
371         PR middle-end/51994
372         * expr.c (get_inner_reference): If there is an offset, add a negative
373         bit position to it (if any).
374
375 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
376
377         PR rtl-optimization/52060
378         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
379         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
380         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
381         and/or i0src_copy2 when needed.
382
383 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
384
385         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
386         or LTOPLUGINSONAME if have_c.
387
388         * config/freebsd-spec.h: Add comment about what macros can be defined
389         in this header.
390         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
391         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
392         here instead.
393
394 2012-02-07  Richard Guenther  <rguenther@suse.de>
395
396         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
397         newline in -alias dumps.
398
399 2012-02-07  Kai Tietz  <ktietz@redhat.com>
400             Dave Korn  <dave.korn.cygwin@gmail.com>
401
402         PR target/40068
403         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
404         Take care that typinfo gets dllexport-attribute.
405
406 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
407
408         PR middle-end/52074
409         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
410         if modifier < EXPAND_SUM call force_operand on the result.
411
412 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
413
414         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
415         adding __forwarder_dst__ prefix if a forwarder_section attribute is
416         present.
417         (epiphany_function_type): Replace types for specific interrupts with
418         EPIPHANY_FUNCTION_INTERRUPT.
419         (EPIPHANY_INTERRUPT_P): Update.
420         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
421         New static function.
422         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
423         <disinterrupt>: Affects type identity.
424         (epiphany_handle_interrupt_attribute): Handle variable number of
425         arguments.
426         (epiphany_compute_function_type): Update for new
427         epiphany_function_type definition.
428         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
429         handlers with a longcall forwarder.
430         (epiphany_start_function): Handle multiple interrupt arguments and/or
431         forwarder_section attribute.
432
433         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
434         libgloss.
435
436 2012-02-07  Alan Modra  <amodra@gmail.com>
437
438         PR target/52107
439         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
440         subregs of TFmode.
441
442 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
443
444         PR tree-optimization/50969
445         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
446         use vec_perm rather than vector_stmt.
447         (vect_model_load_cost): Likewise.
448         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
449         vec_perm to be the same as other vector statements.
450         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
451         cost of vec_perm for TARGET_VSX.
452
453 2012-02-06  Richard Guenther  <rguenther@suse.de>
454
455         PR tree-optimization/52115
456         * tree-sra.c (access_has_replacements_p): New function.
457         (sra_modify_assign): Use it to decide whether a use is uninitialized.
458
459 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
460
461         PR middle-end/52047
462         * trans-mem.c (expand_call_tm): Add an assertion.
463         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
464         functions.
465
466 2012-02-06  Richard Guenther  <rguenther@suse.de>
467
468         PR tree-optimization/50955
469         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
470         raise cost of expressions that replace an address with an
471         expression based on a different pointer.
472
473 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
474
475         PR target/52129
476         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
477         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
478
479 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
480
481         PR c++/48680
482         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
483         -Weffc++ and specify guidelines come from second edition.
484
485 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
486
487         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
488         (sibcall_value_multiple_internal, call_split, call_internal_direct)
489         (call_direct_split, call_value_split, call_value_internal_direct)
490         (call_value_direct_split, call_value_multiple_split): Use jal and
491         jal_macro attributes.
492
493 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
494
495         * reload1.c (reload_regs_reach_end_p): Replace with...
496         (reload_reg_rtx_reaches_end_p): ...this function.
497         (new_spill_reg_store): Update commentary.
498         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
499         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
500         before setting new_spill_reg_store.
501         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
502         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
503         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
504         for non-spill reload registers.
505
506 2012-02-05  Ira Rosen  <irar@il.ibm.com>
507
508         PR tree-optimization/52091
509         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
510         (vect_is_simple_use_1): Likewise.
511         * tree-vect-loop.c (vectorizable_reduction): Update calls
512         to vect_is_simple_use_1 and vect_is_simple_use.
513         (vectorizable_live_operation): Likewise.
514         * tree-vect-patterns.c (widened_name_p,
515         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
516         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
517         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
518         vectorizable_shift,vectorizable_operation, vectorizable_store,
519         vectorizable_load): Likewise.
520         (vect_is_simple_cond): Add an argument, pass it to
521         vect_is_simple_use_1.
522         (vectorizable_condition): Update calls to vect_is_simple_cond,
523         vect_is_simple_use.
524         (vect_is_simple_use): Add an argument, the statement in which
525         OPERAND is used.  Check that if OPERAND's def stmt is a double
526         reduction phi node, the use is a phi node too.
527         (vect_is_simple_use_1): Add an argument, pass it to
528         vect_is_simple_use.
529         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
530         to vect_is_simple_use.
531
532 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
533
534         PR rtl-optimization/52095
535         * modulo-sched.c (dump_insn_locator): New function.
536         (loop_canon_p, sms_schedule): Use it.
537
538         PR rtl-optimization/52113
539         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
540         even for decomposable shift/zext insns.
541
542 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
543             Zdenek Dvorak  <ook@ucw.cz>
544
545         PR rtl-optimization/52092
546         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
547         on get_iv_value result.
548
549 2012-02-02  Andrew Pinski  <apinski@cavium.com>
550
551         PR middle-end/47982
552         PR middle-end/43967
553         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
554
555 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
556
557         PR middle-end/48071
558         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
559
560 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
561
562         PR rtl-optimization/49800
563         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
564         (sched_finish): Call regstat_free_n_sets_and_refs.
565
566 2012-02-02  Jia Liu  <proljc@gmail.com>
567
568         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
569         than operand 2.
570
571 2012-02-02 Jan Hubicka  <jh@suse.cz>
572            Tom de Vries  <tom@codesourcery.com>
573
574         PR middle-end/51998
575         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
576         * varpool.c (varpool_analyze_pending_decls): Likewise.
577
578 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
579             Jayant R Sonar <jayant.sonar@kpitcummins.com>
580
581         * config.gcc: Add cr16-* support.
582
583         * doc/extend.texi: Document cr16 extensions.
584         * doc/install.texi: Document cr16 install.
585         * doc/invoke.texi: Document cr16 options.
586         * doc/md.texi: Document cr16 constraints.
587
588         * common/config/cr16/cr16-common.c: New file.
589         * config/cr16/cr16.c: New file.
590         * config/cr16/cr16.h: New file.
591         * config/cr16/cr16.md: New file.
592         * config/cr16/cr16.opt: New file.
593         * config/cr16/cr16-protos.h: New file.
594         * config/cr16/predicates.md: New file.
595         * config/cr16/constraints.md: New file.
596         * config/cr16/t-cr16: New file.
597
598 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
599
600         PR target/52086
601         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
602         that operands[2] is either immediate, or q_regs_operand.
603
604         PR tree-optimization/52073
605         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
606         a pattern stmt for pattern uses, ignore uses outside of the loop.
607
608 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
609
610         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
611         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
612         (OUT_AS1, OUT_AS2): Remove.
613
614 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
615
616         PR rtl-optimization/51374
617         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
618         to cross other volatile_refs_p insns.
619
620 2012-02-01  Richard Guenther  <rguenther@suse.de>
621
622         * doc/invoke.texi (fno-inline): Clarify documentation.
623         (finline-small-functions): Likewise.
624         (finline-functions): Likewise.
625         * common.opt (finline): Adjust comment and documentation.
626         (finline-small-functions): Clarify documentation.
627         (finline-functions): Likewise.
628         (finline-functions-called-once): Likewise.
629
630 2012-02-01  Tristan Gingold  <gingold@adacore.com>
631
632         * c-typeck.c (composite_type): Keep mode for pointers.
633
634 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
635
636         * function.h (regno_reg_rtx): Adjust comment.
637         * reginfo.c (init_reg_modes_target): Only use the previous mode
638         if it fits within one register.  Remove MIPS comment.
639
640 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
641
642         PR bootstrap/52058
643         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
644
645 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
646
647         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
648         to srak instruction.
649
650 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
651
652         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
653
654 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
655
656         PR bootstrap/52041
657         PR bootstrap/52039
658         PR target/51974
659         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
660
661 2012-01-31  Richard Guenther  <rguenther@suse.de>
662
663         PR tree-optimization/51528
664         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
665         assigns.
666
667 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
668
669         PR bootstrap/52041
670         PR bootstrap/52039
671         PR target/51974
672         * ree.c (add_removable_extension): Change def_map argument
673         to unsigned *, store in def_map 1 + offset into *insn_list vector
674         instead of pointers into the vector.
675         (find_removable_extensions): Adjust caller.
676
677 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
678
679         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
680         Transform all "* quoted-c-code" to { c-code }.
681         Remove redundant test for "optimize" in combine patterns.
682         Move (include "avr-dimode.md") to end of file.
683
684 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
685
686         PR target/51835
687         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
688         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
689
690 2012-01-30  Richard Guenther  <rguenther@suse.de>
691
692         PR tree-optimization/52028
693         * tree-loop-distribution.c (ldist_gen): Properly update
694         virtual SSA form.
695
696 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
697
698         PR debug/52027
699         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
700         set_cur_line_info_table if not emitting debug info.
701
702         PR tree-optimization/52046
703         * tree-vect-patterns.c (check_bool_pattern): Give up if
704         a comparison could throw.
705
706         PR debug/52048
707         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
708
709 2012-01-30  Richard Guenther  <rguenther@suse.de>
710
711         PR tree-optimization/52045
712         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
713         SSA form if cfgcleanup did anything.
714
715 2012-01-30  Richard Guenther  <rguenther@suse.de>
716
717         PR tree-optimization/52045
718         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
719         before computing final todo.
720
721 2012-01-30  Richard Guenther  <rguenther@suse.de>
722
723         PR tree-optimization/51528
724         * tree-sra.c (sra_modify_assign): Re-factor in preparation
725         for PR51528 fix.
726
727 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
728
729         * df-problems.c (df_kill_notes): Check that the use refers
730         to the note under examination.
731
732 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
733
734         PR target/51920
735         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
736         parameter and use short-lived pseudos.
737         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
738         (sparc_expand_vector_init): Const-ify local variables and adjust
739         calls to above functions.
740
741 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
742
743         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
744
745 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
746
747         * doc/invoke.texi: Make usage of "compile time" and
748         "run time"/"runtime" consistent throughout the file.
749
750 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
751
752         * config/alpha/alpha.c (alpha_option_override): Default to
753         full IEEE compliance mode for Go language.
754
755 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
756
757         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
758         (LINK_SSP_SPEC): Define.
759
760 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
761
762         PR target/51871
763         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
764         stubs.
765
766 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
767
768         * doc/invoke.texi: Correct hyphenation of "floating point",
769         "double precision", and related terminology throughout the file.
770
771 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
772
773         PR target/52006
774         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
775         arm_general_register_operand predicate for operand 2 instead of
776         register_operand.
777
778 2012-01-27  Ian Lance Taylor  <iant@google.com>
779
780         PR go/47656
781         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
782         * builtins.c (expand_builtin_init_trampoline): Add onstack
783         parameter.  Change caller.
784         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
785         * tree.c (build_common_builtin_nodes): Declare
786         __builtin_init_heap_trampoline.
787
788 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
789
790         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
791         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
792         * config/avr/avr.c: Ditto.
793         (avr_regnames): Remove because unused.
794         * config/avr/avr.md (*cpse.ne): New peephole.
795         (*cpse.eq): New peephole from former cpse peepholes.
796
797 2012-01-27  Michael Eager  <eager@eagercon.com>
798
799         * config/microblaze.c (microblaze_emit_compare): Correct
800         test after pcmp instruction.
801
802 2012-01-27  Richard Guenther  <rguenther@suse.de>
803
804         PR tree-optimization/52020
805         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
806
807 2012-01-27  Richard Guenther  <rguenther@suse.de>
808
809         * ipa-pure-const.c (check_stmt): Clobbers do not make a
810         function non-const/pure.
811
812 2012-01-27  Richard Guenther  <rguenther@suse.de>
813
814         PR tree-optimization/50444
815         * tree-sra.c (build_ref_for_offset): Properly adjust the
816         MEM_REF type for unaligned accesses.
817
818 2012-01-27  Richard Guenther  <rguenther@suse.de>
819
820         PR tree-optimization/50444
821         * expr.c (mem_ref_refers_to_non_mem_p): New function.
822         (expand_assignment): Use it.  Properly handle misaligned
823         bases when expanding stores to component references.
824         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
825         refactor that case.
826
827 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
828
829         PR middle-end/51389
830         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
831         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
832         * tree-data-ref.c (find_data_references_in_loop): Make static.
833         (compute_all_dependences): Change return type to bool.  Bail out
834         for too many datarefs in a loop.  Move the hunk resetting the data
835         dependences vector from ...
836         (compute_data_dependences_for_loop): ... here.  Account for
837         compute_all_dependences returning false.
838         (compute_data_dependences_for_bb): Likewise.
839         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
840         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
841
842 2012-01-27  Richard Guenther  <rguenther@suse.de>
843
844         PR middle-end/51959
845         * expr.c (store_field): Use the alias-set of the scratch memory
846         for storing to it.
847
848 2012-01-27  Tom de Vries  <tom@codesourcery.com>
849
850         PR tree-optimization/51990
851         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
852         WITH_SIZE_EXPR.
853         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
854
855 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
856
857         PR debug/52001
858         * var-tracking.c (reverse_op): Don't add any reverse operation
859         if V already has any constant locations.
860
861 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
862
863         * doc/invoke.texi: Correct usage of "command line" (noun)
864         vs "command-line" (adjective) throughout.
865
866 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
867
868         * doc/invoke.texi (Language Independent Options): Move
869         -Wcoverage-mismatch blurb from here....
870         (Warning Options): ...to here.
871
872 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
873
874         * config/rs6000/rs6000.c (rs6000_option_override_internal):
875         Set rs6000_always_hint to false for 476.
876
877 2012-01-27  Matthias Klose  <doko@ubuntu.com>
878
879         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
880           system root.
881         * incpath.c (add_standard_paths): Likewise.
882
883 2012-01-27  Richard Henderson  <rth@redhat.com>
884
885         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
886         * config/m68k/sync.md (atomic_test_and_set): Rename from
887         sync_test_and_setqi and adjust the operands.
888         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
889         and unconditionally enable.
890
891 2012-01-27  Richard Henderson  <rth@redhat.com>
892
893         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
894         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
895         (ldstub): Rename from ldstubqi.
896         (ldstub<I24MODE>): Remove.
897
898 2012-01-27  Richard Henderson  <rth@redhat.com>
899
900         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
901         * c-cppbuiltin.c (cpp_atomic_builtins): Define
902         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
903         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
904         * doc/tm.texi: Rebuild.
905
906 2012-01-27  Richard Henderson  <rth@redhat.com>
907
908         * optabs.c (gen_atomic_test_and_set): Remove default.
909         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
910
911 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
912
913         PR rtl-optimization/51978
914         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
915         (combine_reaching_defs): Likewise.
916         (struct re_info): Remove.
917         (add_removable_extension): Remove x and data arguments,
918         add insn, insn_list and def_map.  Use the arguments directly
919         instead of using struct re_info.
920         (find_removable_extensions): Don't call add_removable_extension
921         through note_stores, instead just call it with single_set
922         result if non-NULL.
923         (find_and_remove_re): Pass curr_cand->expr instead of
924         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
925
926 2012-01-26  Michael Matz  <matz@suse.de>
927
928         PR tree-optimization/46590
929         * cfgexpand.c: Revert last change (r183305).
930         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
931         regs.
932         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
933         checking for emptiness.
934
935 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
936
937         PR middle-end/51895
938         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
939         non-addressable non-BLKmode base correctly.
940
941 2012-01-26  Michael Matz  <matz@suse.de>
942
943         PR tree-optimization/48794
944         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
945         regions referenced from RESX/EH_DISPATCH.
946
947 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
948
949         * config/s390/s390.h: Make BRANCH_COST an option.
950         * config/s390/s390.opt: New option -mbranch-cost.
951
952 2012-01-26  Richard Henderson  <rth@redhat.com>
953
954         Revert 2012-01-24 change:
955         * trans-mem.c (requires_barrier): Do not instrument thread local
956         variables and emit save/restore for them.
957
958 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
959
960         PR middle-end/51986
961         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
962         for pat == 0.
963
964 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
965
966         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
967         ASM_OPERANDS.
968
969 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
970
971         PR target/49868
972         Rename __pgm to __flash.
973         Rename __pgm1 to __flash1.
974         Rename __pgm2 to __flash2.
975         Rename __pgm3 to __flash3.
976         Rename __pgm4 to __flash4.
977         Rename __pgm5 to __flash5.
978         Rename __pgmx to __memx.
979         * doc/extend.texi (AVR Named Address Spaces)
980         Rename address space names as indicated above.
981         * config/avr/avr.c (avr_addrspace): Ditto.
982
983         * config/avr/avr-protos.h
984         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
985         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
986         * config/avr/predicates.md: Ditto.
987         * config/avr/avr.c Ditto, and
988         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
989         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
990
991         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
992         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
993         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
994         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
995         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
996         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
997         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
998         * config/avr/avr.c: Ditto.
999         * config/avr/avr.md: Ditto.
1000
1001 2012-01-25  Jason Merrill  <jason@redhat.com>
1002
1003         PR c++/51992
1004         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1005
1006 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1007
1008         PR tree-optimization/51987
1009         * tree-data-ref.c (get_references_in_stmt): Handle references in
1010         non-volatile GIMPLE_ASM.
1011
1012 2012-01-25  Richard Guenther  <rguenther@suse.de>
1013
1014         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1015         bases are dereferenced.
1016
1017 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1018
1019         PR rtl-optimization/48374
1020         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1021
1022 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1023
1024         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1025         compute_data_dependences_for_loop returns false.
1026         * tree-parloops.c (loop_parallel_p): Likewise.
1027
1028 2012-01-25  Richard Guenther  <rguenther@suse.de>
1029
1030         * tree.h (get_pointer_alignment_1): Declare.
1031         * builtins.c (get_pointer_alignment_1): New function.
1032         (get_pointer_alignment): Use it.
1033
1034 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1035
1036         PR rtl-optimization/48308
1037         * combine.c (enum undo_kind): Add UNDO_LINKS.
1038         (struct undo): Add member l to other_contents and where.
1039         (do_SUBST_LINK): New.
1040         (SUBST_LINK): New.
1041         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1042         (undo_all): Handle UNDO_LINKS.
1043
1044 2012-01-25  Richard Henderson  <rth@redhat.com>
1045
1046         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1047         mem inputs.
1048
1049 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1050
1051         * optabs.c (gen_atomic_test_and_set): Use each argument.
1052
1053 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1054
1055         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1056         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1057         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1058         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1059         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1060         TARGET_PAIRED_SINGLE_FLOAT.
1061
1062 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1063
1064         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1065         (in_struct, return_val): Remove MEM documentation.
1066         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1067         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1068         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1069         and MEM_SCALAR.
1070         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1071         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1072         * expr.c (store_field): Likewise.
1073         * function.c (assign_stack_temp_for_type): Likewise.
1074         * ifcvt.c (noce_try_cmove_arith): Likewise.
1075         * reload1.c (reload): Likewise.
1076         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1077         (alpha_set_memflags): Likewise.
1078         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1079
1080 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1081
1082         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1083         parameter.
1084         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1085         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1086         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1087         varies parameter.
1088         * cselib.c (cselib_rtx_varies_p): Delete.
1089         (cselib_invalidate_mem): Update call to canon_true_dependence.
1090         * dse.c (record_store, check_mem_read_rtx): Likewise.
1091         (scan_reads_nospill): Likewise.
1092         * cse.c (check_dependence): Likewise.
1093         (cse_rtx_varies_p): Delete.
1094         * expr.c (safe_from_p): Update call to true_dependence.
1095         * ira.c (validate_equiv_mem_from_store): Likewise.
1096         (memref_referenced_p): Likewise.
1097         * postreload-gcse.c (find_mem_conflicts): Likewise.
1098         * sched-deps.c (sched_analyze_2): Likewise.
1099         * store-motion.c (load_kills_store): Likewise.
1100         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1101         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1102         (compute_transp): Update call to canon_true_dependence.
1103
1104 2012-01-25  Richard Henderson  <rth@redhat.com>
1105
1106         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1107         (maybe_emit_atomic_test_and_set): New.
1108         (expand_sync_lock_test_and_set): Use it.
1109         (expand_atomic_test_and_set): Likewise.
1110         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1111         the implementation; clarify implementation defined details.
1112         * doc/md.texi (atomic_test_and_set): Document.
1113
1114 2012-01-25  Richard Henderson  <rth@redhat.com>
1115
1116         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1117
1118 2012-01-25  Richard Henderson  <rth@redhat.com>
1119
1120         PR target/51968
1121         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1122         to effect no-op split.
1123
1124 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1125
1126         PR lto/51698
1127         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1128         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1129         (BT_FN_VOID_PTR_INT_SIZE): New.
1130         (BT_FN_UINT_UINT_VAR): Remove.
1131         (BT_FN_UINT32_UINT32_VAR): New.
1132         (BT_FN_DOUBLE_VPTR): Remove.
1133         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1134
1135         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1136         (_ITM_changeTransactionMode): Same.
1137         (_ITM_memmoveRtWt): Change return type to void.
1138         (_ITM_memcpyRtWt): Same.
1139         (_ITM_memsetW): Same.
1140         (_ITM_RaRD): Change types to double.
1141         (_ITM_RD): Same.
1142         (_ITM_RaWD): Same.
1143         (_ITM_RfWD): Same.
1144
1145         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1146
1147 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1148             Patrick Marlier  <patrick.marlier@gmail.com>
1149
1150         * trans-mem.c (requires_barrier): Do not instrument thread local
1151         variables and emit save/restore for them.
1152
1153 2012-01-24  Jason Merrill  <jason@redhat.com>
1154
1155         PR c++/51812
1156         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1157         output static aliases.
1158
1159 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1160
1161         PR driver/47249
1162         * common.opt (-pie, -shared, pie, shared): Change from Common to
1163         Driver.
1164         * gcc.c (display_help): Display help for -pie and -shared.
1165
1166 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1167
1168         PR target/49868
1169         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1170         Remove note on size/offset limitation.
1171         (AVR Variable Attributes): Add example how to read data located
1172         with progmem.  Refer to named address spaces.
1173         * doc/invoke.texi (AVR Options): Fix typo.
1174
1175 2012-01-24  Richard Guenther  <rguenther@suse.de>
1176
1177         Forward-port to trunk
1178         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1179
1180         PR middle-end/45678
1181         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1182         op0 isn't sufficiently aligned and there is movmisalignM
1183         insn for mode, use it to load op0 into a temporary register.
1184
1185 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1186
1187         PR target/51957
1188         * target.def (const_not_ok_for_debug_p): New hook.
1189         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1190         documentation.
1191         * doc/tm.texi: Regenerated.
1192         * dwarf2out.c (const_ok_for_output_1): If
1193         targetm.const_not_ok_for_debug_p returns true, fail.
1194         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1195         function.
1196         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1197
1198 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1199
1200         PR target/51900
1201         * config/i386/predicates.md (symbolic_operand): Allow
1202         UNSPEC_PCREL as PIC expression for lea.
1203         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1204         * config/i386/i386.c (ix86_delegitimize_address): Handle
1205         UNSPEC_PCREL for none-MEM, too.
1206
1207 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1208
1209         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1210         (ipa_tm_create_version_alias): Same.
1211
1212 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1213
1214         PR libitm/51830
1215         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1216         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1217
1218 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1219             Patrick Marlier  <patrick.marlier@gmail.com>
1220             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1221
1222         PR lto/51916
1223         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1224         simple_object_start_read.
1225
1226 2012-01-23  Richard Guenther  <rguenther@suse.de>
1227
1228
1229         PR tree-optimization/51895
1230         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1231         parameter decomposition into BLKmode components.
1232
1233 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1234
1235         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1236         fake variables for restrict-qualified pointers whose pointed-to type
1237         contains a placeholder.
1238
1239 2012-01-23  Richard Guenther  <rguenther@suse.de>
1240
1241         PR tree-optimization/51949
1242         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1243
1244 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1245
1246         PR rtl-optimization/51933
1247         * ree.c (transform_ifelse): Return true right away if dstreg is
1248         already wider or equal to cand->mode.
1249         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1250         (make_defs_and_copies_lists): Remove defs_list and copies_list
1251         arguments, add state argument, just truncate state->work_list
1252         instead of always allocating and freeing the vector.  Assert that
1253         get_defs succeeds instead of returning 2.  Changed return type to bool.
1254         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1255         have ext_src_mode, see if it has been modified already with the
1256         right kind of extension and has been extended before from the
1257         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1258         just return true.  Remember the original mode in state->modified array.
1259         (combine_reaching_defs): Add state argument.  Don't allocate and
1260         free here def_list, copied_list and vec vectors, instead just
1261         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1262         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1263         Add state variable, clear vectors in it, initialize state.modified
1264         if needed.  Free all the vectors at the end and state.modified too.
1265         Don't skip a candidate if the extension expression has been modified.
1266
1267 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1268
1269         PR target/47096
1270         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1271          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1272         (extra_options) interix.opt -> i386/interix.opt"
1273         (extra_objs):Add winnt-stubs.o
1274         * configure.ac: Add interix to target_os .comm on PE check.
1275         * configure: Regenerate.
1276         * config/interix3.h: Delete and move bits to..
1277         * config/interix.h: Delete and move bits to..
1278         * config/i386/i386-interix3.h: Delete and move bits to..
1279         * config/i386/i386-interix.h: ..here.
1280         (TARGET_CPU_DEFAULT): Remove redefinition.
1281         (TARGET_ASM_CONSTRUCTOR): Undefine.
1282         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1283         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1284         (PTRDIFF_TYPE): Define.
1285         (LONG_DOUBLE_TYPE_SIZE): Define.
1286         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1287         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1288         (TARGET_SECTION_TYPE_FLAGS): Define.
1289         (ASM_DECLARE_FUNCTION_NAME): Define.
1290         (ASM_OUTPUT_EXTERNAL): Define.
1291         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1292         (ASM_OUTPUT_ALIGNED_BSS): Define.
1293         (PCC_BITFIELD_TYPE_MATTERS): Define.
1294         (USE_CONST_SECTION): Define.
1295         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1296         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1297         (SUPPORTS_ONE_ONLY): Remove.
1298         (I386_PE_STRIP_ENCODING): Define.
1299         * config/interix.opt: Delete and move bits to..
1300         * config/i386/interix.opt: ..here. New.
1301         (mpe-aligned-commons): Add.
1302         * config/i386/t-interix: Add copyright header.
1303         (winnt-stubs.o): Add rule.
1304
1305 2012-01-22  Jason Merrill  <jason@redhat.com>
1306
1307         PR c++/51832
1308         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1309         for extra name aliases.
1310
1311 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1312
1313         PR rtl-optimization/51924
1314         * ree.c (combine_set_extension): Improve debugging message.
1315         (combine_reaching_defs): Likewise.
1316         (get_defs): Rename confusingly named variable.
1317         (find_and_remove_re): Skip a candidate if the extension expression has
1318         been modified.
1319
1320 2012-01-21  Robert Millan  <rmh@gnu.org>
1321             Gerald Pfeifer  <gerald@pfeifer.com>
1322
1323         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1324         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1325
1326 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1327
1328         PR tree-optimization/51914
1329         * tree-vect-stmts.c (vectorizable_conversion): For
1330         cvt_type && modifier == WIDEN, put temporary with cvt_type
1331         at the beginning of vec_dsts and set vec_dest to temporary
1332         with vectype_out.
1333
1334 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1335
1336         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1337
1338 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1339
1340         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1341         * config/rs6000/rs6000.c: Likewise.
1342
1343 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1344
1345         PR target/51915
1346         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1347         output_move_double on a copy of operands array.
1348
1349 2012-01-20  Cary Coutant  <ccoutant@google.com>
1350             Dodji Seketeli  <dodji@redhat.com>
1351
1352         PR debug/45682
1353         * dwarf2out.c (copy_declaration_context): Return ref to parent
1354         of declaration DIE, if necessary.
1355         (remove_child_or_replace_with_skeleton): Add new parameter; update
1356         caller.  Place skeleton DIE under parent DIE of original declaration.
1357         Move call to copy_declaration_context to here ...
1358         (break_out_comdat_types): ... from here.
1359
1360 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1361
1362         PR rtl-optimization/51856
1363         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1364         flag to reloaded.
1365
1366 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1367
1368         PR target/51819
1369         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1370         hints for neon loads and stores.
1371
1372 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1373
1374         PR target/49868
1375         PR target/50887
1376         * doc/extend.texi (Named Address Spaces): Split into subsections.
1377         (AVR Named Address Spaces): New subsection.
1378         (M32C Named Address Spaces): New subsection.
1379         (RL78 Named Address Spaces): New subsection.
1380         (SPU Named Address Spaces): New subsection.
1381         (Variable Attributes): New anchor "AVR Variable Attributes".
1382         (AVR Variable Attributes): Rewrite and avoid wording
1383         "address space" in this context.
1384         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1385         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1386         (AVR Built-in Macros): New subsubsection therein.
1387         * doc/md.texi (AVR constraints): Remove "C04", "R".
1388
1389 2012-01-20  Richard Guenther  <rguenther@suse.de>
1390
1391         PR tree-optimization/51903
1392         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1393         when removing stmts.
1394
1395 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1396
1397         PR target/50313
1398         * config/arm/arm.c (arm_load_pic_register): Use
1399         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1400         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1401         (arm_pic_static_addr): Likewise.
1402         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1403         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1404         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1405         (pic_load_addr_unified): New.
1406
1407 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1408
1409         PR target/51106
1410         * function.c (instantiate_virtual_regs_in_insn): Use
1411         delete_insn_and_edges when removing a wrong asm insn.
1412
1413 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1414
1415         PR rtl-optimization/40761
1416         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1417         Add new member loop_num.
1418         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1419         (ira_build): Remove the parameter.
1420
1421         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1422         (ira.c): Do not build CFG loops for one region allocation.  Remove
1423         argument from ira_build call.
1424
1425         * ira-build.c (init_loop_tree_node): New function.
1426         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1427         loops are not built.
1428         (more_one_region_p): Check current_loops.
1429         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1430         built.
1431         (add_loop_to_tree): Process loop equal to NULL too.
1432         (form_loop_tree): Separate the case when CFG loops are not built.
1433         Use explicitly number for the root.
1434         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1435         an assertion.
1436         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1437         instead of loop->num.
1438         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1439         (mark_all_loops_for_removal): Ditto.
1440         (remove_unnecessary_regions): Separate the case when CFG loops
1441         are not built.
1442         (ira_build): Remove the parameter.  Use explicit number of regions
1443         when CFG loops are not built.
1444
1445         * ira-color.c (print_loop_title): Separate the case for the root node.
1446         Use loop_num instead of loop->num.
1447         (move_spill_restore): Use loop_num instead of loop->num.
1448
1449         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1450         (change_loop): Ditto.
1451         (change_loop): Use loop_num instead of loop->num.
1452
1453         * ira-lives.c (process_bb_node_lives): Ditto.
1454
1455         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1456
1457         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1458
1459 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1460
1461         PR libmudflap/40778
1462         * tree-mudflap.c (mf_artificial): New function.
1463         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1464         mx_register_decls, mudflap_enqueue_decl): Use it.
1465
1466         PR target/51876
1467         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1468         numbers in the insn pattern.
1469
1470 2012-01-19  Michael Matz  <matz@suse.de>
1471
1472         PR tree-optimization/46590
1473         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1474         use it in remembering which conflicts we already created.
1475         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1476         bitmap.
1477
1478 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1479
1480         PR lto/51280
1481         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1482         (merge_and_complain): Same.
1483
1484 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1485
1486         PR bootstrap/50237
1487         * config/initfini-array.h: Guard content of the header
1488         with #ifdef HAVE_INITFINI_ARRAY.
1489         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1490         Add initfini-array.h to tm_file here.
1491         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1492         * config.gcc: Don't add initfini-array.h to tm_file here.
1493         * configure: Regenerated.
1494
1495 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1496
1497         PR rtl-optimization/51505
1498         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1499         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1500         (df_note_bb_compute): Update the call to df_kill_notes.
1501
1502 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1503
1504         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1505
1506 2012-01-18  Richard Guenther  <rguenther@suse.de>
1507
1508         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1509         of conversions to void *.
1510
1511 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1512             Richard Sandiford  <rdsandiford@googlemail.com>
1513
1514         PR middle-end/50325
1515         PR middle-end/51192
1516         * optabs.h (simplify_expand_binop): Declare.
1517         * optabs.c (simplify_expand_binop): Make global.
1518         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1519         endian targets if the source cannot be exactly covered by word
1520         mode chunks.
1521
1522 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1523
1524         PR bootstrap/51872
1525         * hard-reg-set.h (struct hard_reg_set_container): New type.
1526         * target.h (struct hard_reg_set_container): Forward declare.
1527         * target.def (set_up_by_prologue): New target hook.
1528         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1529         * doc/tm.texi: Regenerated.
1530         * function.c (thread_prologue_and_epilogue_insns): Change
1531         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1532         Call targetm.set_up_by_prologue on it.
1533         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1534         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1535
1536 2012-01-17  Nick Clifton  <nickc@redhat.com>
1537
1538         * config/rx/rx.c (rx_can_use_simple_return): New function.
1539         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1540         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1541
1542 2012-01-17  Richard Guenther  <rguenther@suse.de>
1543
1544         PR middle-end/51782
1545         * expr.c (expand_assignment): Take address-space information
1546         from the address operand of MEM_REF and TARGET_MEM_REF.
1547         (expand_expr_real_1): Likewise.
1548
1549 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1550
1551         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1552         reload dump is requested.
1553
1554 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1555
1556         PR other/51165
1557         * trans-mem.c (requires_barrier): Call may_be_aliased.
1558
1559 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1560
1561         PR tree-optimization/51877
1562         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1563         call arguments and fndecls compare equal, instead return false if they
1564         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1565         both SSA_NAMEs that are valueized the same, or they satisfy
1566         operand_equal_p.
1567
1568 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1569
1570         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1571         Solaris 11+.
1572         * configure: Regenerate.
1573
1574 2012-01-16  Jan Hubicka  <jh@suse.cz>
1575
1576         PR c/12245
1577         PR c++/14179
1578         * convert.c (convert_to_integer): Use fold_convert for
1579         converting an INTEGER_CST to integer type.
1580
1581 2012-01-16  Jason Merrill  <jason@redhat.com>
1582
1583         PR c++/14179
1584         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1585
1586 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1587
1588         PR bootstrap/51860
1589         * config/s390/s390.c (s390_chunkify_start): Don't skip
1590         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1591         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1592         If insn is followed by NOTE_INSN_VAR_LOCATION or
1593         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1594         Don't use location of note insns.
1595
1596         PR tree-optimization/51865
1597         * tree-inline.c (tree_function_versioning): Call remap_decl
1598         on DECL_RESULT whenever it has VOID_TYPE_P type.
1599
1600 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1601
1602         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1603         for calls to locally-binding MIPS16 functions if only the return
1604         type uses float regs.
1605
1606 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1607             Richard Sandiford  <rdsandiford@googlemail.com>
1608
1609         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1610         (SYMBOL_32_HIGH): Likewise.
1611         (mips_output_tls_reloc_directive): Declare.
1612         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1613         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1614         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1615         (mips_lo_relocs, mips_hi_relocs): Make extern.
1616         (mips16_stub_function): Move up file.
1617         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1618         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1619         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1620         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1621         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1622         (mips_get_tp): Add MIPS16 support.
1623         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1624         Generalize DTPREL and TPREL handling.
1625         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1626         Add MIPS16 TLS support.
1627         (mips_output_tls_reloc_directive): New function.
1628         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1629         * config/mips/predicates.md (symbolic_operand_with_high)
1630         (tls_reloc_operand): New predicates.
1631         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1632         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1633         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1634         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1635         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1636         (*tls_get_tp_mips16_call_<mode>): Likewise.
1637
1638 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1639
1640         PR rtl-optimization/51821
1641         * recog.c (peep2_find_free_register): Determine clobbered registers
1642         from insn pattern.
1643
1644 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1645
1646         PR target/50925
1647         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1648         * config/avr/avr.c: Likewise.
1649         * config/avr/avr.h: Likewise.
1650
1651 2012-01-13  Ian Lance Taylor  <iant@google.com>
1652
1653         PR c++/50012
1654         * tree.h (TYPE_QUALS): Add cast to int.
1655         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1656
1657 2012-01-13  Ian Lance Taylor  <iant@google.com>
1658
1659         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1660         comparing param_index to VEC_length result.
1661
1662 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1663
1664         * c-decl.c: Do not include tree-mudflap.h
1665         * tree-optimize.c: Likewise.
1666         * Makefile.in: Update dependencies.
1667
1668 2012-01-13  Richard Guenther  <rguenther@suse.de>
1669
1670         PR middle-end/8081
1671         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1672         variable-sized result always use RSO.
1673
1674 2012-01-12  DJ Delorie  <dj@redhat.com>
1675
1676         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1677         pointer type, not just the default pointer type.
1678
1679 2012-01-09  Richard Henderson  <rth@redhat.com>
1680             Denis Chertykov  <chertykov@gmail.com>
1681
1682         PR target/50925
1683         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1684         * config/avr/avr.c (avr_can_eliminate): Simplify.
1685         (avr_initial_elimination_offset): Likewise.
1686         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1687         (expand_epilogue): Likewise.
1688         (avr_legitimize_address): Gut.
1689         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1690         (avr_hard_regno_nregs): New.
1691         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1692         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1693         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1694         add soft frame pointer.
1695         (CALL_USED_REGISTERS): Likewise.
1696         (REG_CLASS_CONTENTS): Likewise.
1697         (REGISTER_NAMES): Likewise.
1698         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1699         (HARD_FRAME_POINTER_REGNUM): New.
1700         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1701         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1702         remove the HARD_FRAME_POINTER self-elimination.
1703
1704 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1705
1706         PR target/51756
1707         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1708         DECL_EXTERNAL when checking for initializers of progmem variables.
1709
1710 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1711
1712         PR tree-optimization/51799
1713         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1714         that the last operation is a type demotion.
1715
1716 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1717
1718         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1719         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1720
1721 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1722
1723         PR bootstrap/51796
1724         * combine.c (distribute_notes): If i3 is a noreturn call,
1725         allow old_size to be equal to args_size and make sure the
1726         noreturn call gets REG_ARGS_SIZE note.
1727         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1728         on noreturn calls even when the delta is 0.
1729
1730 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1731
1732         * gcov.c (STRING_SIZE): Remove.
1733         (generate_results): Erase annotations for source files with no
1734         coverage information.
1735         (read_line): New.
1736         (output_lines): Use it.
1737
1738 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1739
1740         * gimple.h (gimplify_body): Remove first argument.
1741         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1742         pointer set here, instead just pass DATA to walk_tree.
1743         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1744         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1745         (unvisit_body): Likewise, but with unmark_visited.
1746         (gimplify_body): Remove BODY_P argument and adjust.
1747         (gimplify_function_tree): Adjust call to gimplify_body.
1748         * omp-low.c (finalize_task_copyfn): Likewise.
1749
1750 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1751
1752         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1753         (build_function_type_skip_args): Delete.
1754         * tree.c (build_function_type_skip_args): Make static and add
1755         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1756         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1757         pass it to build_function_type_skip_args.
1758         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1759         (tree_function_versioning): Likewise.
1760         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1761         build_function_decl_skip_args.
1762         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1763         and pass it to build_function_decl_skip_args/tree_function_versioning.
1764         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1765         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1766         * trans-mem.c (ipa_tm_create_version): Likewise.
1767         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1768         * tree-inline.c (declare_return_variable): Remove always-true test.
1769         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1770         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1771         * ipa-split.c (split_function): Skip the return value for the split
1772         part if it doesn't return.
1773
1774 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1775
1776         PR tree-optimization/49642
1777         * ipa-split.c (forbidden_dominators): New variable.
1778         (check_forbidden_calls): New function.
1779         (dominated_by_forbidden): Likewise.
1780         (consider_split): Check for forbidden dominators.
1781         (execute_split_functions): Initialize and free forbidden
1782         dominators info; call check_forbidden_calls.
1783
1784 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1785
1786         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1787
1788 2012-01-11  Nick Clifton  <nickc@redhat.com>
1789
1790         * config/rx/rx.md (return): Define pattern.
1791
1792 2012-01-11  Richard Guenther  <rguenther@suse.de>
1793
1794         * doc/extend.texi (malloc attribute): Adjust according to
1795         implementation.
1796
1797 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1798             Patrick Marlier  <patrick.marlier@gmail.com>
1799
1800         PR middle-end/51516
1801         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1802         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1803         (ipa_tm_note_irrevocable): Same.
1804         (ipa_tm_scan_irr_block): Same.
1805         (ipa_tm_decrement_clone_counts): Same.
1806         (ipa_tm_scan_irr_function): Same.
1807         (ipa_tm_create_version_alias): Same.
1808         (ipa_tm_create_version): Same.
1809         (ipa_tm_transform_calls_redirect): Same.
1810         (ipa_tm_transform_calls): Same.
1811         (ipa_tm_transform_transaction): Same.
1812         (ipa_tm_execute): Same.
1813
1814 2012-01-10  Richard Guenther  <rguenther@suse.de>
1815
1816         PR middle-end/51806
1817         * opts.c (common_handle_option): Handle -Werror.
1818
1819 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1820
1821         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1822         operand number.
1823
1824 2012-01-10  Jason Merrill  <jason@redhat.com>
1825
1826         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1827         information.
1828
1829 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1830
1831         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1832         supports R_386_TLS_GD_PLT reloc.
1833         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1834         supports R_386_TLS_LDM_PLT reloc.
1835         * configure: Regenerate.
1836         * config.in: Regenerate.
1837
1838 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1839
1840         PR target/49868
1841         Extend __pgmx semantics to linearize memory.
1842         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1843         determine if code comes inline or from libgcc.
1844         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1845         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1846         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1847         (movmemx_qi, movmemx_hi): New insns.
1848         (xload_<mode>_libgcc): Rewrite to new insn condition.
1849         (xload_<mode>): Remove insns.
1850         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1851         cases that don't satisfy avr_xload_libgcc_p().
1852         (avr_addr_space_convert): Allow converting in any direction.
1853         (avr_addr_space_subset_p): Return always true.
1854         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1855         (avr_emit_movmemhi): Ditto.
1856         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1857         (avr_out_movmem): Ditto.
1858         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1859         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1860         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1861         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1862         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1863
1864 2012-01-10  Richard Guenther  <rguenther@suse.de>
1865
1866         PR tree-optimization/50913
1867         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1868         Require data-refs to be representable by Graphite with respect
1869         to any loop nest.
1870
1871 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1872
1873         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1874         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1875
1876 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1877
1878         PR rtl-optimization/51271
1879         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1880         handling annulled branch.
1881
1882 2012-01-10  Richard Henderson  <rth@redhat.com>
1883
1884         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1885         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1886         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1887         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1888         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1889         arm_expand_vec_perm_const): New.
1890         * config/arm/arm-protos.h: Update.
1891         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1892         (*neon_vswp<VDQX>): New.
1893         (neon_vcombine<VDX>): Use neon_split_vcombine.
1894         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1895         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1896         (vec_perm<VE>): New.
1897
1898 2012-01-10  Richard Henderson  <rth@redhat.com>
1899
1900         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1901         use it if reload_completed.
1902         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1903         arm_output_asm_insn, arm_process_output_memory_barrier,
1904         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1905         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1906         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1907         arm_process_output_sync_insn, arm_output_sync_insn,
1908         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1909         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1910         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1911         (emit_unlikely_jump): New.
1912         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1913         (arm_split_atomic_op): New.
1914         * config/arm/arm-protos.h: Update.
1915         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1916         (struct arm_sync_generator): Remove.
1917         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1918         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1919         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1920         (VUNSPEC_LL, VUNSPEC_SC): New.
1921         (sync_result, sync_memory, sync_required_value, sync_new_value,
1922         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1923         (attr length): Don't use arm_sync_loop_insns.
1924         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1925         (movsfcc, movdfcc): Likewise.
1926         * config/arm/constraints.md (Ua): New.
1927         * config/arm/prediates.md (mem_noofs_operand): New.
1928         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1929         (sync_clobber, sync_t2_reqd): Remove.
1930         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1931         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1932         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1933         (arm_sync_compare_and_swap<SIDI>): Remove.
1934         (arm_sync_compare_and_swap<NARROW>): Remove.
1935         (arm_sync_lock_test_and_set<SIDI>): Remove.
1936         (arm_sync_lock_test_and_set<NARROW>): Remove.
1937         (arm_sync_new_<syncop><SIDI>): Remove.
1938         (arm_sync_new_<syncop><NARROW>): Remove.
1939         (arm_sync_new_nand<SIDI>): Remove.
1940         (arm_sync_new_nand<NARROW>): Remove.
1941         (arm_sync_old_<syncop><SIDI>): Remove.
1942         (arm_sync_old_<syncop><NARROW>): Remove.
1943         (arm_sync_old_nand<SIDI>): Remove.
1944         (arm_sync_old_nand<NARROW>): Remove.
1945         (*memory_barrier): Merge arm_output_memory_barrier.
1946         (atomic_compare_and_swap<QHSD>): New.
1947         (atomic_compare_and_swap<NARROW>_1): New.
1948         (atomic_compare_and_swap<SIDI>_1): New.
1949         (atomic_exchange<QHSD>): New.
1950         (cas_cmp_operand, cas_cmp_str): New.
1951         (atomic_op_operand, atomic_op_str): New.
1952         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1953         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1954         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1955         (arm_load_exclusive<NARROW>): New.
1956         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1957         (arm_store_exclusive<QHSD>): New.
1958
1959 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1960
1961         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1962         reload patterns if -mvsx-scalar-memory.
1963
1964         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1965         generated, even -mno-vsx-scalar-double was used.
1966         (vsx_xscvdpsp_scalar): Likewise.
1967         (vsx_xscvspdp_scalar2): Likewise.
1968
1969 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1970             Andrew Pinski  <apinski@cavium.com>
1971
1972         PR debug/51471
1973         * reorg.c (fill_slots_from_thread): Don't speculate
1974         frame-related insns.
1975
1976 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1977
1978         * sched-int.h (bb_note): Move to...
1979         * basic-block.h: ...here.
1980         * haifa-sched.c (bb_note): Move to...
1981         * cfgrtl.c: ...here.
1982         * function.c (next_block_for_reg): New function.
1983         (move_insn_for_shrink_wrap): Likewise.
1984         (prepare_shrink_wrap): Rewrite to use the above.
1985
1986 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1987
1988         * gimple.c (is_gimple_non_addressable): Remove.
1989         * gimple.h: Remove is_gimple_non_addressable.
1990         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1991         is_gimple_non_addressable.
1992         * trans-mem.c (expand_assign_tm): Same.
1993
1994 2012-01-09  Richard Guenther  <rguenther@suse.de>
1995
1996         PR tree-optimization/51775
1997         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1998         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1999
2000 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2001
2002         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2003         tuning parameters.
2004         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2005
2006 2012-01-09  Richard Guenther  <rguenther@suse.de>
2007
2008         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2009
2010 2012-01-08  Jan Hubicka  <jh@suse.cz>
2011
2012         PR tree-optimize/51680
2013         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2014         on when known_vals needs to be computed; cleanup.
2015
2016 2012-01-08  Jan Hubicka  <jh@suse.cz>
2017
2018         PR tree-optimize/51694
2019         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2020
2021 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2022
2023         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2024         for -std=c++98 and -std=c++11 too.
2025
2026 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2027
2028         * cfgloop.c (cancel_loop): Add free() of bbs array.
2029
2030 2012-01-07  Jan Hubicka  <jh@suse.cz>
2031
2032         PR tree-optimization/51600
2033         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2034         that benefits small functions.
2035
2036 2012-01-07  Jan Hubicka  <jh@suse.cz>
2037
2038         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2039
2040 2012-01-07  Jan Hubicka  <jh@suse.cz>
2041
2042         PR tree-optimization/51680
2043         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2044         whose inlining reduce unit size.
2045
2046 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2047
2048         PR bootstrap/51725
2049         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2050         Add canonical node to containing_mem chain after the non-canonical
2051         one, even if there weren't any locs to propagate.
2052         (remove_useless_values): Keep only canonical values.
2053         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2054         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2055         canonicalize mem_chain elements that are not discarded.
2056
2057 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2058
2059         PR target/47333
2060         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2061         before emitting functions.
2062
2063         PR gcov-profile/50127
2064         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2065         clear_aux_for_blocks.
2066
2067 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2068
2069         PR debug/51746
2070         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2071
2072 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2073
2074         * c-decl.c (ext_block): Moved up.
2075         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2076
2077 2012-01-06  Han Shen  <shenhan@google.com>
2078
2079         Translate built-in include paths for sysroot.
2080         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2081         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2082
2083         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2084         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2085
2086         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2087         control whether sysroot should be prepended to gxx include dir.
2088
2089         * configure: Regenerate.
2090
2091 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2092
2093         PR rtl-optimization/51771
2094         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2095         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2096
2097 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2098
2099         PR tree-optimization/51315
2100         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2101         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2102
2103 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2104
2105         PR target/51681
2106         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2107         for shrp pattern.  Correctly handle and fixup shift variable.
2108         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2109
2110 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2111
2112         PR debug/51762
2113         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2114         note when !ACCUMULATE_OUTGOING_ARGS.
2115
2116 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2117
2118         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2119         condition.
2120         (extract_range_from_unary_expr_1): Avoid useless computations.
2121
2122 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2123
2124         PR rtl-optimization/51767
2125         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2126         of jump_block and add an extra edge for degenerated asm gotos.
2127
2128         PR middle-end/51768
2129         * stmt.c (check_unique_operand_names): Don't ICE during error
2130         reporting if i is from labels chain.
2131
2132         PR middle-end/44777
2133         * profile.c (branch_prob): Split bbs that have exit edge
2134         and need a fake entry edge too.
2135
2136 2012-01-05  Jan Hubicka  <jh@suse.cz>
2137
2138         PR middle-end/49710
2139         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2140         unlooping loops.
2141
2142 2012-01-05  Richard Guenther  <rguenther@suse.de>
2143
2144         PR lto/50490
2145         * tree-streamer-out.c (write_ts_optimization): New function.
2146         (streamer_write_tree_body): Call it.
2147         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2148         (streamer_read_tree_body): Call it.
2149         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2150
2151 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2152
2153         PR middle-end/51761
2154         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2155         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2156         in_cleanup_point_expr before gimplify_stmt call and restore it
2157         afterwards.
2158         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2159         in_cleanup_point_expr is false.
2160
2161 2012-01-05  Richard Guenther  <rguenther@suse.de>
2162
2163         PR middle-end/51764
2164         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2165         to c.opt.
2166         * toplev.c (process_options): Reject combining mudflap and LTO.
2167         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2168
2169 2012-01-05  Richard Guenther  <rguenther@suse.de>
2170
2171         PR tree-optimization/51760
2172         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2173         not VARYING.
2174         (bit_value_unop): Handle UNDEFINED operands.
2175         (bit_value_binop): Likewise.
2176
2177 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2178
2179         * config/avr/avr.c (avr_replace_prefix): Remove.
2180         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2181         (avr_asm_function_rodata_section): Ditto.
2182         (avr_asm_select_section): Ditto.
2183
2184 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2185
2186         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2187         insertion.
2188
2189 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2190
2191         PR bootstrap/51648
2192         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2193         calls that have any non-fake successor edges.
2194
2195         PR debug/51746
2196         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2197
2198 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2199
2200         PR tree-optimization/51624
2201         * tree-sra.c (build_ref_for_model): When replicating a chain of
2202         COMPONENT_REFs, stop as soon as the offset would become negative.
2203
2204 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2205
2206         PR debug/51695
2207         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2208         in .debug_loc on the floor.
2209
2210 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2211
2212         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2213
2214 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2215             Adam Nemet  <anemet@caviumnetworks.com>
2216
2217         * config/mips/mips.md (size): Add SI and DI.
2218         (SIZE): New mode attribute.
2219         (U): New code attribute.
2220         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2221         (mips_lbux_<mode>): Delete.
2222         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2223         (mips_lhx): Use gen_mips_lhx_extsi.
2224         (mips_lhx_<mode>): Delete.
2225         (mips_lwx): Delete.
2226         (mips_l<size>x): New expand.
2227         (mips_lwx_<mode>): Delete.
2228         (mips_l<GPR:size>x_<P:mode>): New pattern.
2229         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2230         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2231         * config/mips/mips.c (mips_lx_address_p): New function.
2232         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2233         (dsp64): New availability predicate.
2234         (mips_builtins): Add an entry for __builtin_mips_ldx.
2235         * config/mips/mips.h (ISA_HAS_LBX): New define.
2236         (ISA_HAS_LBUX): Likewise.
2237         (ISA_HAS_LHX): Likewise.
2238         (ISA_HAS_LHUX): Likewise.
2239         (ISA_HAS_LWX): Likewise.
2240         (ISA_HAS_LWUX): Likewise.
2241         (ISA_HAS_LDX): Likewise.
2242         * doc/extend.texi (__builtin_mips_ldx): Document.
2243
2244 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2245
2246         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2247         when long pointers are used.
2248         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2249         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2250         (ia64-hp-*vms*): Remove.
2251         * config/vms/xm-vms64.h: Delete.
2252
2253 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2254
2255         PR middle-end/51472
2256         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2257
2258 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2259
2260         * opts.c (finish_options): Remove duplicate sorry.
2261
2262 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2263
2264         PR middle-end/51696
2265         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2266         correctly.
2267
2268 2012-01-04  Richard Guenther  <rguenther@suse.de>
2269
2270         PR middle-end/51750
2271         * tree.c (size_low_cst): New function.
2272         * tree.h (size_low_cst): Declare.
2273         * fold-const.c (fold_comparison): Use it to extract the low
2274         part of the POINTER_PLUS_EXPR offset.
2275
2276 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2277
2278         Fix clearing ZERO_REG
2279         * config/avr/avr.md (cc): Add alternative "ldi".
2280         (movqi_insn): Use it in cc attribute.
2281         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2282         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2283         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2284
2285 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2286
2287         * configure: Regenerate.
2288
2289 2012-01-04  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/49651
2292         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2293         (var_can_have_subvars): Use it.
2294         (get_constraint_for_1): Only consider subfields if there can be any.
2295
2296 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2297
2298         PR bootstrap/51725
2299         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2300         to its new canonical_cselib_val and the cselib_val was in
2301         first_containing_mem chain, but the canonical_cselib_val was not,
2302         add the latter into the chain.
2303         (cselib_invalidate_mem): Compare canonical_cselib_val of
2304         addr_list chain elt with v.
2305
2306         PR pch/51722
2307         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2308         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2309         of xstrdup.
2310         (output_macinfo_op): Don't ggc_strdup fd->filename.
2311         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2312         then ggc_strdup it.  Don't free inc->info or cur->info.
2313         (output_macinfo): Don't free ref->info or file->info.
2314
2315 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2316
2317         PR tree-optimization/51269
2318         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2319         first_niters a pointer.
2320         (slpeel_tree_peel_loop_to_edge): Likewise.
2321         (vect_do_peeling_for_loop_bound): Update call to
2322         slpeel_tree_peel_loop_to_edge.
2323         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2324         here.  Remove it from the parameters list.
2325         (vect_do_peeling_for_alignment): Update calls and compute
2326         wide_prolog_niters.
2327
2328 2012-01-03  Richard Guenther  <rguenther@suse.de>
2329
2330         PR tree-optimization/51070
2331         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2332         Properly handle calls.
2333
2334 2012-01-03  Richard Guenther  <rguenther@suse.de>
2335
2336         PR tree-optimization/51692
2337         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2338         the LHS of allocation stmts.
2339
2340 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2341
2342         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2343
2344 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2345
2346         * collect2.c (main): In AIX specific computations for vector
2347         insertions, use CONST_CAST2 to cast from char ** to const char **.
2348
2349 2012-01-03  Richard Guenther  <rguenther@suse.de>
2350
2351         PR debug/51650
2352         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2353         the context of a limbo DIE when it does not already exist.
2354
2355 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2356
2357         PR tree-optimization/51719
2358         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2359         but direct call is, clear direct call's lhs and don't add fallthrough
2360         edge from dcall_bb to join_bb and PHIs.
2361
2362 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2363
2364         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2365         the instructions emitted by the pattern.
2366         ("*TDC_insn_<mode>"): Add comment.
2367
2368 2012-01-03  Richard Guenther  <rguenther@suse.de>
2369
2370         PR middle-end/51730
2371         * fold-const.c (fold_comparison): Properly canonicalize
2372         tree offset and HOST_WIDE_INT bit position.
2373
2374 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2375
2376         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2377         operands for extzv pattern.
2378
2379 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR bootstrap/51725
2382         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2383         on mem_elt first.
2384
2385 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2386
2387         * doc/invoke.texi (-flto and related options): Copy-edit.
2388
2389 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2390
2391         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2392
2393 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2394
2395         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2396         New patterns.
2397
2398 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2399
2400         * expr.h (move_by_pieces_ninsns): Declare.
2401         * expr.c (move_by_pieces_ninsns): Make external.
2402         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2403         (mips_store_by_pieces_p): Likewise.
2404         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2405         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2406         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2407         (mips_store_by_pieces_p): Likewise.
2408
2409 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2410
2411         * passes.c (register_one_dump_file): Free full_name.
2412
2413         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2414         (calculate_elim_costs_all_insns): Free offsets_at and
2415         offsets_known_at at the end and clear the pointers.
2416
2417 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2418
2419         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2420         this option introduced in r180739.
2421
2422 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2423
2424         PR target/51345
2425         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2426         (tmake_file target=avr): Add avr/t-multilib.
2427
2428         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2429         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2430         * config/avr/genmultilib.awk: New file.
2431         * config/avr/t-multilib: New auto-generated file.
2432         * config/avr/multilib.h: New auto-generated file.
2433         * config/avr/t-avr (AVR_MCUS): New variable.
2434         (genopt.sh): Use it.
2435         (s-mlib): Depend on t-multilib.
2436         (t-multilib, multilib.h): New dependencies.
2437         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2438         (MULTILIB_OPTIONS): Remove.
2439         (MULTILIB_MATCHES): Remove.
2440         (MULTILIB_DIRNAMES): Remove.
2441         (MULTILIB_EXCEPTIONS): Remove:
2442         * config/avr/genopt.sh: Don't use hard coded file name;
2443         pass AVR_MCUS from t-avr instead.
2444
2445 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2446
2447         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2448
2449 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2450
2451         Implement light-weight DImode support.
2452         * config/avr/avr-dimode.md: New file.
2453         * config/avr/avr.md: Include it.
2454         (adjust_len): Add plus64, compare64.
2455         (HIDI): Remove code iterator.
2456         (code_stdname): New code attribute.
2457         (rotx, rotsmode): Remove DI.
2458         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2459         as code iterator.
2460         * config/avr/avr-protos.h (avr_have_dimode): New.
2461         (avr_out_plus64, avr_out_compare64): New.
2462         * config/avr/avr.c (avr_out_compare): Handle DImode.
2463         (avr_have_dimode): New variable definition and initialization.
2464         (avr_out_compare64, avr_out_plus64): New functions.
2465         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2466         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2467         (avr_compare_pattern): Skip DImode comparisons.
2468
2469 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2470
2471         * ddg.c (def_has_ccmode_p): New function.
2472         (add_cross_iteration_register_deps,
2473         create_ddg_dep_from_intra_loop_link): Call it.
2474
2475 2012-01-02  Richard Guenther  <rguenther@suse.de>
2476
2477         PR other/51679
2478         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2479
2480 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2481
2482         * gcc.c (process_command): Update copyright notice dates.
2483         * gcov.c (print_version): Likewise.
2484         * gcov-dump.c (print_version): Likewise.
2485         * mips-tfile.c (main): Likewise.
2486         * mips-tdump.c (main): Likewise.
2487
2488 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2489
2490         PR tree-optimization/51704
2491         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2492         a use is inside the basic block or loop before accessing its vect info.
2493
2494 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2495
2496         PR rtl-optimization/51069
2497         * cfgloopmanip.c (remove_path): Removing path making irreducible
2498         region unconditional makes BB part of the region.
2499
2500 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2501
2502         PR tree-optimization/51683
2503         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2504         calls with side-effects.
2505         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2506 \f
2507 Copyright (C) 2012 Free Software Foundation, Inc.
2508
2509 Copying and distribution of this file, with or without modification,
2510 are permitted in any medium without royalty provided the copyright
2511 notice and this notice are preserved.