OSDN Git Service

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