OSDN Git Service

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