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