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