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1 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2
3         * doc/extend.texi (AVR Built-in Functions): Remove doc for
4         __builtin_avr_map8, __builtin_avr_map16.
5         Document __builtin_avr_insert_bits.
6
7         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
8         (insert_bits): New insn.
9         (adjust_len.map_bits): Rename to insert_bits.
10         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
11         * avr-protos.h (avr_out_map_bits): Remove.
12         (avr_out_insert_bits, avr_has_nibble_0xf): New.
13         * config/avr/constraints.md (Cxf,C0f): New.
14         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
15         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
16         New built-in define __BUILTIN_AVR_INSERT_BITS.
17         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
18         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
19         (avr_move_bits): Rewrite.
20         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
21         functions.
22         (avr_map_op_t): New typedef.
23         (avr_map_op): New static variable.
24         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
25         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
26         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
27         (bdesc_3arg, avr_expand_triop_builtin): New.
28         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
29         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
30         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
31         (avr_map_equal_p, avr_map_sig_p): Remove.
32         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
33         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
34         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
35         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
36         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
37         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
38
39 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
40
41         * config/c6x/c6x.md (reserve_cycles): New attribute.
42         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
43         don't reserve functional units after the branch occurs.
44
45 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
46
47         PR middle-end/52142
48         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
49         functions into non-tm_pure functions.
50
51 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
52
53         PR lto/52178
54         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
55         (iterative_hash_canonical_type): Likewise.
56         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
57         the dead edges.
58
59 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
60
61         * haifa-sched.c (prune_ready_list): Ensure that if there is a
62         sched-group insn, it either remains alone or the entire list is
63         pruned.
64
65 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
66
67         * doc/install.texi (Prerequisites): Fix grammar.
68         (Configuration): Likewise.
69
70 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
71
72         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
73         MPC as part of GCC before describing configuring with --with-gmp etc.
74         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
75         sources are present.
76
77 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
78
79         PR debug/51950
80         * dwarf2out.c (clone_tree_hash): New function.
81         (copy_decls_walk): Use it instead of clone_tree.
82
83 2012-02-14  Richard Guenther  <rguenther@suse.de>
84
85         PR tree-optimization/52244
86         PR tree-optimization/51528
87         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
88         replacements for integral types.
89
90 2012-02-14  Walter Lee  <walt@tilera.com>
91
92         * config.gcc: Handle tilegx and tilepro.
93         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
94         tilegx and tilepro.
95         Add HAVE_AS_TLS check for tilegx and tilepro.
96         * configure: Regenerate.
97         * doc/contrib.texi: Add Mat Hostetter and self.
98         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
99         Document instruction intrinsics and network accessing intrinsics.
100         (TILEPro Built-in Functions): New node.  Document instruction
101         intrinsics and network accessing intrinsics.
102         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
103         (Specific, tilepro-*-linux*): Likewise.
104         * doc/invoke.texi (TILE-Gx Options): New section.
105         (TILEPro Options): New section.
106         * doc/md.texi (TILE-Gx): New section.
107         (TILEPro): New section.
108         * common/config/tilegx/tilegx-common.c: New file.
109         * common/config/tilepro/tilepro-common.c: New file.
110         * config/tilegx/constraints.md: New file.
111         * config/tilegx/linux.h: New file.
112         * config/tilegx/mul-tables.c: New file.
113         * config/tilegx/predicates.md: New file.
114         * config/tilegx/sync.md: New file.
115         * config/tilegx/t-tilegx: New file.
116         * config/tilegx/tilegx-builtins.h: New file.
117         * config/tilegx/tilegx-c.c: New file.
118         * config/tilegx/tilegx-generic.md: New file.
119         * config/tilegx/tilegx-modes.def: New file.
120         * config/tilegx/tilegx-multiply.h: New file.
121         * config/tilegx/tilegx-protos.h: New file.
122         * config/tilegx/tilegx.c: New file.
123         * config/tilegx/tilegx.h: New file.
124         * config/tilegx/tilegx.md: New file.
125         * config/tilegx/tilegx.opt: New file.
126         * config/tilepro/constraints.md: New file.
127         * config/tilepro/gen-mul-tables.cc: New file.
128         * config/tilepro/linux.h: New file.
129         * config/tilepro/mul-tables.c: New file.
130         * config/tilepro/predicates.md: New file.
131         * config/tilepro/t-tilepro: New file.
132         * config/tilepro/tilepro-builtins.h: New file.
133         * config/tilepro/tilepro-c.c: New file.
134         * config/tilepro/tilepro-generic.md: New file.
135         * config/tilepro/tilepro-modes.def: New file.
136         * config/tilepro/tilepro-multiply.h: New file.
137         * config/tilepro/tilepro-protos.h: New file.
138         * config/tilepro/tilepro.c: New file.
139         * config/tilepro/tilepro.h: New file.
140         * config/tilepro/tilepro.md: New file.
141         * config/tilepro/tilepro.opt: New file.
142
143 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
144
145         PR tree-optimization/52210
146         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
147         vect_model_simple_cost with two entry vect_def_type array instead
148         of an address of dt.
149
150 2012-02-14  Richard Guenther  <rguenther@suse.de>
151
152         PR lto/52178
153         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
154         Do not stream DECL_QUALIFIER.
155         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
156         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
157         (find_decls_types_r): Do not walk DECL_QUALIFIER.
158
159 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
160
161         PR c/52181
162         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
163         newdecl.
164
165 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
166
167         PR bootstrap/52172
168         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
169         * cselib.c (cselib_subst_to_values_from_insn): New function.
170         * sched-deps.c (add_insn_mem_dependence,
171         sched_analyze_1, sched_analyze_2): Use it.
172
173 2012-02-13  Jan Hubicka  <jh@suse.cz>
174
175         PR middle-end/52214
176         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
177
178 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
179
180         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
181         (GTM_SELF_SPECS): Define if not already defined.
182         (driver_self_specs): Add GTM_SELF_SPECS.
183         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
184         (GTM_SELF_SPECS): Define.
185         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
186         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
187
188 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
189
190         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
191         away if seen.
192
193         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
194         non-NULL.
195
196         PR middle-end/52230
197         * omp-low.c (expand_omp_for): If a static schedule without
198         chunk size has NULL region->cont, force fd.chunk_size to be
199         integer_zero_node.
200
201 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
202
203         PR c/52190
204         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
205
206 2012-02-13  Richard Guenther  <rguenther@suse.de>
207
208         PR translation/52211
209         * passes.c (enable_disable_pass): Fix typo.
210
211 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
212
213         PR middle-end/52209
214         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
215         XOR for reduce_bit_field if type is unsigned.
216
217 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
218
219         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
220         disallow changes from SFmode to mode with different size in FP regs.
221
222 2012-02-12  Robert Millan  <rmh@gnu.org>
223             Gerald Pfeifer <gerald@pfeifer.com>
224
225         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
226         Tweak comment.
227
228 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
229
230         PR rtl-optimization/52175
231         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
232         to frame-related instructions.
233
234 2012-02-10  Jason Merrill  <jason@redhat.com>
235
236         PR c++/51910
237         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
238         (demangle_new_symbols): Fill it.
239         (scan_linker_output): Walk it.
240         (start_tweaking): Split out from scan_linker_output.
241         (maybe_tweak): Update sym->chosen.
242         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
243
244 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
245
246         PR debug/52132
247         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
248         get_true_reg.
249
250 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
251
252         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
253         having the same mode as previous compare.
254
255 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
256
257         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
258         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
259         (nonlocal_goto_internal): Likewise.
260         (nonlocal_goto): Emit a use and an indirect jump directly.
261
262 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
263
264         PR c/52190
265         * doc/extend.texi : Update comments for __atomic_compare_exchange and
266         __atomic_{is,always}_lock_free.
267
268 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
269
270         PR target/52146
271         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
272         negative constant address for x32.
273
274 2012-02-10  Richard Henderson  <rth@redhat.com>
275
276         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
277         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
278         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
279
280 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
281             Ira Rosen  <irar@il.ibm.com>
282
283         PR tree-optimization/50031
284         * targhooks.c (default_builtin_vectorization_cost): Handle
285         vec_promote_demote.
286         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
287         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
288         all types of reduction and pattern statements.
289         (vect_estimate_min_profitable_iters): Likewise.
290         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
291         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
292         for explicit realigns.
293         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
294         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
295         vec_promote_demote.
296         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
297         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
298         vec_perm for VSX and handle vec_promote_demote.
299
300 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
301
302         PR middle-end/52177
303         * builtins.c (fold_builtin_atomic_always_lock_free,
304         expand_builtin_atomic_always_lock_free,
305         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
306         Return and/or test boolean_true_node/boolean_false_node instead of
307         integer_one_node/integer_zero_node.
308
309 2012-02-10  Jan Hubicka  <jh@suse.cz>
310
311         PR middle-end/48600
312         * predict.c (predict_paths_for_bb): Prevent looping.
313         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
314
315 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
316
317         * config/arm/arm.c (output_move_double): In one case properly
318         count number of instructions that will be emitted.
319
320 2012-02-10  Richard Guenther  <rguenther@suse.de>
321
322         PR translation/52193
323         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
324
325 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
326
327         PR middle-end/52140
328         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
329
330 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
331
332         PR debug/52165
333         * var-tracking.c (emit_note_insn_var_location): If
334         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
335         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
336         non-NOTE_DURING_CALL_P insn.
337
338 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
339
340         PR middle-end/51867
341         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
342
343 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
344
345         PR driver/48524
346         * gcc.c (switch_matches) Support switches with separated form,
347         -D and -U.
348
349 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
350
351         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
352         (SP_ADDR): Ditto.
353         (RAMPZ_ADDR): Ditto.
354         * config/avr/avr.c (avr_addr_t): New typedef.
355         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
356         (avr_init_expanders): Initialize it.
357         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
358         SREG_ADDR.
359         (expand_epilogue): Ditto.
360         (avr_print_operand): Ditto.
361         (avr_file_start): Ditto.
362         (avr_emit_movmemhi): Ditto.
363
364 2012-02-08  Richard Guenther  <rguenther@suse.de>
365
366         PR tree-optimization/46886
367         * tree-flow.h (do_while_loop_p): Declare.
368         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
369         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
370
371 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
372
373         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
374         always succeed for integers larger than a native word.
375
376 2012-02-08  Richard Guenther  <rguenther@suse.de>
377
378         PR rtl-optimization/52170
379         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
380         properly handle integer vector modes.
381
382 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
383
384         PR gcov-profile/52150
385         * coverage.c: Include target.h.
386         (build_var): Call targetm.strip_name_encoding on the assembler name.
387         Change one _ into . or $ if the target allows it.
388         * Makefile.in (coverage.o): Depend on $(TARGET_H).
389
390         PR rtl-optimization/52139
391         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
392         is a BARRIER after emit_insn_after_noloc, move BB_END
393         to the last non-BARRIER insn before it.
394
395 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
396
397         PR middle-end/24306
398         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
399         (mips_gimplify_va_arg_expr): Call it instead of
400         std_gimplify_va_arg_expr.
401
402 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
403
404         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
405         message for -mno-pointers-to-nested-function.
406
407 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
408
409         PR middle-end/51994
410         * expr.c (get_inner_reference): If there is an offset, add a negative
411         bit position to it (if any).
412
413 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
414
415         PR rtl-optimization/52060
416         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
417         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
418         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
419         and/or i0src_copy2 when needed.
420
421 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
422
423         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
424         or LTOPLUGINSONAME if have_c.
425
426         * config/freebsd-spec.h: Add comment about what macros can be defined
427         in this header.
428         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
429         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
430         here instead.
431
432 2012-02-07  Richard Guenther  <rguenther@suse.de>
433
434         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
435         newline in -alias dumps.
436
437 2012-02-07  Kai Tietz  <ktietz@redhat.com>
438             Dave Korn  <dave.korn.cygwin@gmail.com>
439
440         PR target/40068
441         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
442         Take care that typinfo gets dllexport-attribute.
443
444 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
445
446         PR middle-end/52074
447         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
448         if modifier < EXPAND_SUM call force_operand on the result.
449
450 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
451
452         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
453         adding __forwarder_dst__ prefix if a forwarder_section attribute is
454         present.
455         (epiphany_function_type): Replace types for specific interrupts with
456         EPIPHANY_FUNCTION_INTERRUPT.
457         (EPIPHANY_INTERRUPT_P): Update.
458         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
459         New static function.
460         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
461         <disinterrupt>: Affects type identity.
462         (epiphany_handle_interrupt_attribute): Handle variable number of
463         arguments.
464         (epiphany_compute_function_type): Update for new
465         epiphany_function_type definition.
466         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
467         handlers with a longcall forwarder.
468         (epiphany_start_function): Handle multiple interrupt arguments and/or
469         forwarder_section attribute.
470
471         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
472         libgloss.
473
474 2012-02-07  Alan Modra  <amodra@gmail.com>
475
476         PR target/52107
477         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
478         subregs of TFmode.
479
480 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
481
482         PR tree-optimization/50969
483         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
484         use vec_perm rather than vector_stmt.
485         (vect_model_load_cost): Likewise.
486         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
487         vec_perm to be the same as other vector statements.
488         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
489         cost of vec_perm for TARGET_VSX.
490
491 2012-02-06  Richard Guenther  <rguenther@suse.de>
492
493         PR tree-optimization/52115
494         * tree-sra.c (access_has_replacements_p): New function.
495         (sra_modify_assign): Use it to decide whether a use is uninitialized.
496
497 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
498
499         PR middle-end/52047
500         * trans-mem.c (expand_call_tm): Add an assertion.
501         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
502         functions.
503
504 2012-02-06  Richard Guenther  <rguenther@suse.de>
505
506         PR tree-optimization/50955
507         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
508         raise cost of expressions that replace an address with an
509         expression based on a different pointer.
510
511 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
512
513         PR target/52129
514         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
515         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
516
517 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
518
519         PR c++/48680
520         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
521         -Weffc++ and specify guidelines come from second edition.
522
523 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
524
525         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
526         (sibcall_value_multiple_internal, call_split, call_internal_direct)
527         (call_direct_split, call_value_split, call_value_internal_direct)
528         (call_value_direct_split, call_value_multiple_split): Use jal and
529         jal_macro attributes.
530
531 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
532
533         * reload1.c (reload_regs_reach_end_p): Replace with...
534         (reload_reg_rtx_reaches_end_p): ...this function.
535         (new_spill_reg_store): Update commentary.
536         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
537         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
538         before setting new_spill_reg_store.
539         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
540         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
541         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
542         for non-spill reload registers.
543
544 2012-02-05  Ira Rosen  <irar@il.ibm.com>
545
546         PR tree-optimization/52091
547         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
548         (vect_is_simple_use_1): Likewise.
549         * tree-vect-loop.c (vectorizable_reduction): Update calls
550         to vect_is_simple_use_1 and vect_is_simple_use.
551         (vectorizable_live_operation): Likewise.
552         * tree-vect-patterns.c (widened_name_p,
553         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
554         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
555         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
556         vectorizable_shift,vectorizable_operation, vectorizable_store,
557         vectorizable_load): Likewise.
558         (vect_is_simple_cond): Add an argument, pass it to
559         vect_is_simple_use_1.
560         (vectorizable_condition): Update calls to vect_is_simple_cond,
561         vect_is_simple_use.
562         (vect_is_simple_use): Add an argument, the statement in which
563         OPERAND is used.  Check that if OPERAND's def stmt is a double
564         reduction phi node, the use is a phi node too.
565         (vect_is_simple_use_1): Add an argument, pass it to
566         vect_is_simple_use.
567         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
568         to vect_is_simple_use.
569
570 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
571
572         PR rtl-optimization/52095
573         * modulo-sched.c (dump_insn_locator): New function.
574         (loop_canon_p, sms_schedule): Use it.
575
576         PR rtl-optimization/52113
577         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
578         even for decomposable shift/zext insns.
579
580 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
581             Zdenek Dvorak  <ook@ucw.cz>
582
583         PR rtl-optimization/52092
584         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
585         on get_iv_value result.
586
587 2012-02-02  Andrew Pinski  <apinski@cavium.com>
588
589         PR middle-end/47982
590         PR middle-end/43967
591         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
592
593 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
594
595         PR middle-end/48071
596         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
597
598 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
599
600         PR rtl-optimization/49800
601         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
602         (sched_finish): Call regstat_free_n_sets_and_refs.
603
604 2012-02-02  Jia Liu  <proljc@gmail.com>
605
606         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
607         than operand 2.
608
609 2012-02-02 Jan Hubicka  <jh@suse.cz>
610            Tom de Vries  <tom@codesourcery.com>
611
612         PR middle-end/51998
613         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
614         * varpool.c (varpool_analyze_pending_decls): Likewise.
615
616 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
617             Jayant R Sonar <jayant.sonar@kpitcummins.com>
618
619         * config.gcc: Add cr16-* support.
620
621         * doc/extend.texi: Document cr16 extensions.
622         * doc/install.texi: Document cr16 install.
623         * doc/invoke.texi: Document cr16 options.
624         * doc/md.texi: Document cr16 constraints.
625
626         * common/config/cr16/cr16-common.c: New file.
627         * config/cr16/cr16.c: New file.
628         * config/cr16/cr16.h: New file.
629         * config/cr16/cr16.md: New file.
630         * config/cr16/cr16.opt: New file.
631         * config/cr16/cr16-protos.h: New file.
632         * config/cr16/predicates.md: New file.
633         * config/cr16/constraints.md: New file.
634         * config/cr16/t-cr16: New file.
635
636 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
637
638         PR target/52086
639         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
640         that operands[2] is either immediate, or q_regs_operand.
641
642         PR tree-optimization/52073
643         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
644         a pattern stmt for pattern uses, ignore uses outside of the loop.
645
646 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
647
648         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
649         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
650         (OUT_AS1, OUT_AS2): Remove.
651
652 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
653
654         PR rtl-optimization/51374
655         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
656         to cross other volatile_refs_p insns.
657
658 2012-02-01  Richard Guenther  <rguenther@suse.de>
659
660         * doc/invoke.texi (fno-inline): Clarify documentation.
661         (finline-small-functions): Likewise.
662         (finline-functions): Likewise.
663         * common.opt (finline): Adjust comment and documentation.
664         (finline-small-functions): Clarify documentation.
665         (finline-functions): Likewise.
666         (finline-functions-called-once): Likewise.
667
668 2012-02-01  Tristan Gingold  <gingold@adacore.com>
669
670         * c-typeck.c (composite_type): Keep mode for pointers.
671
672 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
673
674         * function.h (regno_reg_rtx): Adjust comment.
675         * reginfo.c (init_reg_modes_target): Only use the previous mode
676         if it fits within one register.  Remove MIPS comment.
677
678 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
679
680         PR bootstrap/52058
681         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
682
683 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
684
685         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
686         to srak instruction.
687
688 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
689
690         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
691
692 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
693
694         PR bootstrap/52041
695         PR bootstrap/52039
696         PR target/51974
697         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
698
699 2012-01-31  Richard Guenther  <rguenther@suse.de>
700
701         PR tree-optimization/51528
702         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
703         assigns.
704
705 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
706
707         PR bootstrap/52041
708         PR bootstrap/52039
709         PR target/51974
710         * ree.c (add_removable_extension): Change def_map argument
711         to unsigned *, store in def_map 1 + offset into *insn_list vector
712         instead of pointers into the vector.
713         (find_removable_extensions): Adjust caller.
714
715 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
716
717         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
718         Transform all "* quoted-c-code" to { c-code }.
719         Remove redundant test for "optimize" in combine patterns.
720         Move (include "avr-dimode.md") to end of file.
721
722 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
723
724         PR target/51835
725         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
726         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
727
728 2012-01-30  Richard Guenther  <rguenther@suse.de>
729
730         PR tree-optimization/52028
731         * tree-loop-distribution.c (ldist_gen): Properly update
732         virtual SSA form.
733
734 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
735
736         PR debug/52027
737         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
738         set_cur_line_info_table if not emitting debug info.
739
740         PR tree-optimization/52046
741         * tree-vect-patterns.c (check_bool_pattern): Give up if
742         a comparison could throw.
743
744         PR debug/52048
745         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
746
747 2012-01-30  Richard Guenther  <rguenther@suse.de>
748
749         PR tree-optimization/52045
750         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
751         SSA form if cfgcleanup did anything.
752
753 2012-01-30  Richard Guenther  <rguenther@suse.de>
754
755         PR tree-optimization/52045
756         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
757         before computing final todo.
758
759 2012-01-30  Richard Guenther  <rguenther@suse.de>
760
761         PR tree-optimization/51528
762         * tree-sra.c (sra_modify_assign): Re-factor in preparation
763         for PR51528 fix.
764
765 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
766
767         * df-problems.c (df_kill_notes): Check that the use refers
768         to the note under examination.
769
770 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
771
772         PR target/51920
773         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
774         parameter and use short-lived pseudos.
775         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
776         (sparc_expand_vector_init): Const-ify local variables and adjust
777         calls to above functions.
778
779 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
780
781         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
782
783 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
784
785         * doc/invoke.texi: Make usage of "compile time" and
786         "run time"/"runtime" consistent throughout the file.
787
788 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
789
790         * config/alpha/alpha.c (alpha_option_override): Default to
791         full IEEE compliance mode for Go language.
792
793 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
794
795         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
796         (LINK_SSP_SPEC): Define.
797
798 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
799
800         PR target/51871
801         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
802         stubs.
803
804 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
805
806         * doc/invoke.texi: Correct hyphenation of "floating point",
807         "double precision", and related terminology throughout the file.
808
809 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
810
811         PR target/52006
812         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
813         arm_general_register_operand predicate for operand 2 instead of
814         register_operand.
815
816 2012-01-27  Ian Lance Taylor  <iant@google.com>
817
818         PR go/47656
819         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
820         * builtins.c (expand_builtin_init_trampoline): Add onstack
821         parameter.  Change caller.
822         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
823         * tree.c (build_common_builtin_nodes): Declare
824         __builtin_init_heap_trampoline.
825
826 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
827
828         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
829         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
830         * config/avr/avr.c: Ditto.
831         (avr_regnames): Remove because unused.
832         * config/avr/avr.md (*cpse.ne): New peephole.
833         (*cpse.eq): New peephole from former cpse peepholes.
834
835 2012-01-27  Michael Eager  <eager@eagercon.com>
836
837         * config/microblaze.c (microblaze_emit_compare): Correct
838         test after pcmp instruction.
839
840 2012-01-27  Richard Guenther  <rguenther@suse.de>
841
842         PR tree-optimization/52020
843         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
844
845 2012-01-27  Richard Guenther  <rguenther@suse.de>
846
847         * ipa-pure-const.c (check_stmt): Clobbers do not make a
848         function non-const/pure.
849
850 2012-01-27  Richard Guenther  <rguenther@suse.de>
851
852         PR tree-optimization/50444
853         * tree-sra.c (build_ref_for_offset): Properly adjust the
854         MEM_REF type for unaligned accesses.
855
856 2012-01-27  Richard Guenther  <rguenther@suse.de>
857
858         PR tree-optimization/50444
859         * expr.c (mem_ref_refers_to_non_mem_p): New function.
860         (expand_assignment): Use it.  Properly handle misaligned
861         bases when expanding stores to component references.
862         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
863         refactor that case.
864
865 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
866
867         PR middle-end/51389
868         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
869         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
870         * tree-data-ref.c (find_data_references_in_loop): Make static.
871         (compute_all_dependences): Change return type to bool.  Bail out
872         for too many datarefs in a loop.  Move the hunk resetting the data
873         dependences vector from ...
874         (compute_data_dependences_for_loop): ... here.  Account for
875         compute_all_dependences returning false.
876         (compute_data_dependences_for_bb): Likewise.
877         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
878         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
879
880 2012-01-27  Richard Guenther  <rguenther@suse.de>
881
882         PR middle-end/51959
883         * expr.c (store_field): Use the alias-set of the scratch memory
884         for storing to it.
885
886 2012-01-27  Tom de Vries  <tom@codesourcery.com>
887
888         PR tree-optimization/51990
889         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
890         WITH_SIZE_EXPR.
891         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
892
893 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
894
895         PR debug/52001
896         * var-tracking.c (reverse_op): Don't add any reverse operation
897         if V already has any constant locations.
898
899 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
900
901         * doc/invoke.texi: Correct usage of "command line" (noun)
902         vs "command-line" (adjective) throughout.
903
904 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
905
906         * doc/invoke.texi (Language Independent Options): Move
907         -Wcoverage-mismatch blurb from here....
908         (Warning Options): ...to here.
909
910 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
911
912         * config/rs6000/rs6000.c (rs6000_option_override_internal):
913         Set rs6000_always_hint to false for 476.
914
915 2012-01-27  Matthias Klose  <doko@ubuntu.com>
916
917         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
918           system root.
919         * incpath.c (add_standard_paths): Likewise.
920
921 2012-01-27  Richard Henderson  <rth@redhat.com>
922
923         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
924         * config/m68k/sync.md (atomic_test_and_set): Rename from
925         sync_test_and_setqi and adjust the operands.
926         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
927         and unconditionally enable.
928
929 2012-01-27  Richard Henderson  <rth@redhat.com>
930
931         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
932         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
933         (ldstub): Rename from ldstubqi.
934         (ldstub<I24MODE>): Remove.
935
936 2012-01-27  Richard Henderson  <rth@redhat.com>
937
938         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
939         * c-cppbuiltin.c (cpp_atomic_builtins): Define
940         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
941         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
942         * doc/tm.texi: Rebuild.
943
944 2012-01-27  Richard Henderson  <rth@redhat.com>
945
946         * optabs.c (gen_atomic_test_and_set): Remove default.
947         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
948
949 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
950
951         PR rtl-optimization/51978
952         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
953         (combine_reaching_defs): Likewise.
954         (struct re_info): Remove.
955         (add_removable_extension): Remove x and data arguments,
956         add insn, insn_list and def_map.  Use the arguments directly
957         instead of using struct re_info.
958         (find_removable_extensions): Don't call add_removable_extension
959         through note_stores, instead just call it with single_set
960         result if non-NULL.
961         (find_and_remove_re): Pass curr_cand->expr instead of
962         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
963
964 2012-01-26  Michael Matz  <matz@suse.de>
965
966         PR tree-optimization/46590
967         * cfgexpand.c: Revert last change (r183305).
968         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
969         regs.
970         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
971         checking for emptiness.
972
973 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
974
975         PR middle-end/51895
976         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
977         non-addressable non-BLKmode base correctly.
978
979 2012-01-26  Michael Matz  <matz@suse.de>
980
981         PR tree-optimization/48794
982         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
983         regions referenced from RESX/EH_DISPATCH.
984
985 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
986
987         * config/s390/s390.h: Make BRANCH_COST an option.
988         * config/s390/s390.opt: New option -mbranch-cost.
989
990 2012-01-26  Richard Henderson  <rth@redhat.com>
991
992         Revert 2012-01-24 change:
993         * trans-mem.c (requires_barrier): Do not instrument thread local
994         variables and emit save/restore for them.
995
996 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
997
998         PR middle-end/51986
999         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1000         for pat == 0.
1001
1002 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1003
1004         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1005         ASM_OPERANDS.
1006
1007 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1008
1009         PR target/49868
1010         Rename __pgm to __flash.
1011         Rename __pgm1 to __flash1.
1012         Rename __pgm2 to __flash2.
1013         Rename __pgm3 to __flash3.
1014         Rename __pgm4 to __flash4.
1015         Rename __pgm5 to __flash5.
1016         Rename __pgmx to __memx.
1017         * doc/extend.texi (AVR Named Address Spaces)
1018         Rename address space names as indicated above.
1019         * config/avr/avr.c (avr_addrspace): Ditto.
1020
1021         * config/avr/avr-protos.h
1022         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1023         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1024         * config/avr/predicates.md: Ditto.
1025         * config/avr/avr.c Ditto, and
1026         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1027         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1028
1029         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1030         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1031         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1032         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1033         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1034         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1035         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1036         * config/avr/avr.c: Ditto.
1037         * config/avr/avr.md: Ditto.
1038
1039 2012-01-25  Jason Merrill  <jason@redhat.com>
1040
1041         PR c++/51992
1042         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1043
1044 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1045
1046         PR tree-optimization/51987
1047         * tree-data-ref.c (get_references_in_stmt): Handle references in
1048         non-volatile GIMPLE_ASM.
1049
1050 2012-01-25  Richard Guenther  <rguenther@suse.de>
1051
1052         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1053         bases are dereferenced.
1054
1055 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1056
1057         PR rtl-optimization/48374
1058         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1059
1060 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1061
1062         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1063         compute_data_dependences_for_loop returns false.
1064         * tree-parloops.c (loop_parallel_p): Likewise.
1065
1066 2012-01-25  Richard Guenther  <rguenther@suse.de>
1067
1068         * tree.h (get_pointer_alignment_1): Declare.
1069         * builtins.c (get_pointer_alignment_1): New function.
1070         (get_pointer_alignment): Use it.
1071
1072 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1073
1074         PR rtl-optimization/48308
1075         * combine.c (enum undo_kind): Add UNDO_LINKS.
1076         (struct undo): Add member l to other_contents and where.
1077         (do_SUBST_LINK): New.
1078         (SUBST_LINK): New.
1079         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1080         (undo_all): Handle UNDO_LINKS.
1081
1082 2012-01-25  Richard Henderson  <rth@redhat.com>
1083
1084         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1085         mem inputs.
1086
1087 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1088
1089         * optabs.c (gen_atomic_test_and_set): Use each argument.
1090
1091 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1092
1093         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1094         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1095         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1096         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1097         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1098         TARGET_PAIRED_SINGLE_FLOAT.
1099
1100 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1101
1102         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1103         (in_struct, return_val): Remove MEM documentation.
1104         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1105         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1106         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1107         and MEM_SCALAR.
1108         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1109         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1110         * expr.c (store_field): Likewise.
1111         * function.c (assign_stack_temp_for_type): Likewise.
1112         * ifcvt.c (noce_try_cmove_arith): Likewise.
1113         * reload1.c (reload): Likewise.
1114         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1115         (alpha_set_memflags): Likewise.
1116         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1117
1118 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1119
1120         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1121         parameter.
1122         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1123         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1124         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1125         varies parameter.
1126         * cselib.c (cselib_rtx_varies_p): Delete.
1127         (cselib_invalidate_mem): Update call to canon_true_dependence.
1128         * dse.c (record_store, check_mem_read_rtx): Likewise.
1129         (scan_reads_nospill): Likewise.
1130         * cse.c (check_dependence): Likewise.
1131         (cse_rtx_varies_p): Delete.
1132         * expr.c (safe_from_p): Update call to true_dependence.
1133         * ira.c (validate_equiv_mem_from_store): Likewise.
1134         (memref_referenced_p): Likewise.
1135         * postreload-gcse.c (find_mem_conflicts): Likewise.
1136         * sched-deps.c (sched_analyze_2): Likewise.
1137         * store-motion.c (load_kills_store): Likewise.
1138         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1139         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1140         (compute_transp): Update call to canon_true_dependence.
1141
1142 2012-01-25  Richard Henderson  <rth@redhat.com>
1143
1144         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1145         (maybe_emit_atomic_test_and_set): New.
1146         (expand_sync_lock_test_and_set): Use it.
1147         (expand_atomic_test_and_set): Likewise.
1148         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1149         the implementation; clarify implementation defined details.
1150         * doc/md.texi (atomic_test_and_set): Document.
1151
1152 2012-01-25  Richard Henderson  <rth@redhat.com>
1153
1154         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1155
1156 2012-01-25  Richard Henderson  <rth@redhat.com>
1157
1158         PR target/51968
1159         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1160         to effect no-op split.
1161
1162 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1163
1164         PR lto/51698
1165         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1166         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1167         (BT_FN_VOID_PTR_INT_SIZE): New.
1168         (BT_FN_UINT_UINT_VAR): Remove.
1169         (BT_FN_UINT32_UINT32_VAR): New.
1170         (BT_FN_DOUBLE_VPTR): Remove.
1171         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1172
1173         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1174         (_ITM_changeTransactionMode): Same.
1175         (_ITM_memmoveRtWt): Change return type to void.
1176         (_ITM_memcpyRtWt): Same.
1177         (_ITM_memsetW): Same.
1178         (_ITM_RaRD): Change types to double.
1179         (_ITM_RD): Same.
1180         (_ITM_RaWD): Same.
1181         (_ITM_RfWD): Same.
1182
1183         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1184
1185 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1186             Patrick Marlier  <patrick.marlier@gmail.com>
1187
1188         * trans-mem.c (requires_barrier): Do not instrument thread local
1189         variables and emit save/restore for them.
1190
1191 2012-01-24  Jason Merrill  <jason@redhat.com>
1192
1193         PR c++/51812
1194         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1195         output static aliases.
1196
1197 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1198
1199         PR driver/47249
1200         * common.opt (-pie, -shared, pie, shared): Change from Common to
1201         Driver.
1202         * gcc.c (display_help): Display help for -pie and -shared.
1203
1204 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1205
1206         PR target/49868
1207         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1208         Remove note on size/offset limitation.
1209         (AVR Variable Attributes): Add example how to read data located
1210         with progmem.  Refer to named address spaces.
1211         * doc/invoke.texi (AVR Options): Fix typo.
1212
1213 2012-01-24  Richard Guenther  <rguenther@suse.de>
1214
1215         Forward-port to trunk
1216         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1217
1218         PR middle-end/45678
1219         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1220         op0 isn't sufficiently aligned and there is movmisalignM
1221         insn for mode, use it to load op0 into a temporary register.
1222
1223 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1224
1225         PR target/51957
1226         * target.def (const_not_ok_for_debug_p): New hook.
1227         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1228         documentation.
1229         * doc/tm.texi: Regenerated.
1230         * dwarf2out.c (const_ok_for_output_1): If
1231         targetm.const_not_ok_for_debug_p returns true, fail.
1232         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1233         function.
1234         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1235
1236 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1237
1238         PR target/51900
1239         * config/i386/predicates.md (symbolic_operand): Allow
1240         UNSPEC_PCREL as PIC expression for lea.
1241         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1242         * config/i386/i386.c (ix86_delegitimize_address): Handle
1243         UNSPEC_PCREL for none-MEM, too.
1244
1245 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1246
1247         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1248         (ipa_tm_create_version_alias): Same.
1249
1250 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1251
1252         PR libitm/51830
1253         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1254         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1255
1256 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1257             Patrick Marlier  <patrick.marlier@gmail.com>
1258             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1259
1260         PR lto/51916
1261         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1262         simple_object_start_read.
1263
1264 2012-01-23  Richard Guenther  <rguenther@suse.de>
1265
1266
1267         PR tree-optimization/51895
1268         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1269         parameter decomposition into BLKmode components.
1270
1271 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1272
1273         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1274         fake variables for restrict-qualified pointers whose pointed-to type
1275         contains a placeholder.
1276
1277 2012-01-23  Richard Guenther  <rguenther@suse.de>
1278
1279         PR tree-optimization/51949
1280         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1281
1282 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1283
1284         PR rtl-optimization/51933
1285         * ree.c (transform_ifelse): Return true right away if dstreg is
1286         already wider or equal to cand->mode.
1287         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1288         (make_defs_and_copies_lists): Remove defs_list and copies_list
1289         arguments, add state argument, just truncate state->work_list
1290         instead of always allocating and freeing the vector.  Assert that
1291         get_defs succeeds instead of returning 2.  Changed return type to bool.
1292         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1293         have ext_src_mode, see if it has been modified already with the
1294         right kind of extension and has been extended before from the
1295         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1296         just return true.  Remember the original mode in state->modified array.
1297         (combine_reaching_defs): Add state argument.  Don't allocate and
1298         free here def_list, copied_list and vec vectors, instead just
1299         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1300         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1301         Add state variable, clear vectors in it, initialize state.modified
1302         if needed.  Free all the vectors at the end and state.modified too.
1303         Don't skip a candidate if the extension expression has been modified.
1304
1305 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1306
1307         PR target/47096
1308         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1309          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1310         (extra_options) interix.opt -> i386/interix.opt"
1311         (extra_objs):Add winnt-stubs.o
1312         * configure.ac: Add interix to target_os .comm on PE check.
1313         * configure: Regenerate.
1314         * config/interix3.h: Delete and move bits to..
1315         * config/interix.h: Delete and move bits to..
1316         * config/i386/i386-interix3.h: Delete and move bits to..
1317         * config/i386/i386-interix.h: ..here.
1318         (TARGET_CPU_DEFAULT): Remove redefinition.
1319         (TARGET_ASM_CONSTRUCTOR): Undefine.
1320         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1321         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1322         (PTRDIFF_TYPE): Define.
1323         (LONG_DOUBLE_TYPE_SIZE): Define.
1324         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1325         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1326         (TARGET_SECTION_TYPE_FLAGS): Define.
1327         (ASM_DECLARE_FUNCTION_NAME): Define.
1328         (ASM_OUTPUT_EXTERNAL): Define.
1329         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1330         (ASM_OUTPUT_ALIGNED_BSS): Define.
1331         (PCC_BITFIELD_TYPE_MATTERS): Define.
1332         (USE_CONST_SECTION): Define.
1333         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1334         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1335         (SUPPORTS_ONE_ONLY): Remove.
1336         (I386_PE_STRIP_ENCODING): Define.
1337         * config/interix.opt: Delete and move bits to..
1338         * config/i386/interix.opt: ..here. New.
1339         (mpe-aligned-commons): Add.
1340         * config/i386/t-interix: Add copyright header.
1341         (winnt-stubs.o): Add rule.
1342
1343 2012-01-22  Jason Merrill  <jason@redhat.com>
1344
1345         PR c++/51832
1346         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1347         for extra name aliases.
1348
1349 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1350
1351         PR rtl-optimization/51924
1352         * ree.c (combine_set_extension): Improve debugging message.
1353         (combine_reaching_defs): Likewise.
1354         (get_defs): Rename confusingly named variable.
1355         (find_and_remove_re): Skip a candidate if the extension expression has
1356         been modified.
1357
1358 2012-01-21  Robert Millan  <rmh@gnu.org>
1359             Gerald Pfeifer  <gerald@pfeifer.com>
1360
1361         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1362         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1363
1364 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1365
1366         PR tree-optimization/51914
1367         * tree-vect-stmts.c (vectorizable_conversion): For
1368         cvt_type && modifier == WIDEN, put temporary with cvt_type
1369         at the beginning of vec_dsts and set vec_dest to temporary
1370         with vectype_out.
1371
1372 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1373
1374         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1375
1376 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1377
1378         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1379         * config/rs6000/rs6000.c: Likewise.
1380
1381 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1382
1383         PR target/51915
1384         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1385         output_move_double on a copy of operands array.
1386
1387 2012-01-20  Cary Coutant  <ccoutant@google.com>
1388             Dodji Seketeli  <dodji@redhat.com>
1389
1390         PR debug/45682
1391         * dwarf2out.c (copy_declaration_context): Return ref to parent
1392         of declaration DIE, if necessary.
1393         (remove_child_or_replace_with_skeleton): Add new parameter; update
1394         caller.  Place skeleton DIE under parent DIE of original declaration.
1395         Move call to copy_declaration_context to here ...
1396         (break_out_comdat_types): ... from here.
1397
1398 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1399
1400         PR rtl-optimization/51856
1401         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1402         flag to reloaded.
1403
1404 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1405
1406         PR target/51819
1407         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1408         hints for neon loads and stores.
1409
1410 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1411
1412         PR target/49868
1413         PR target/50887
1414         * doc/extend.texi (Named Address Spaces): Split into subsections.
1415         (AVR Named Address Spaces): New subsection.
1416         (M32C Named Address Spaces): New subsection.
1417         (RL78 Named Address Spaces): New subsection.
1418         (SPU Named Address Spaces): New subsection.
1419         (Variable Attributes): New anchor "AVR Variable Attributes".
1420         (AVR Variable Attributes): Rewrite and avoid wording
1421         "address space" in this context.
1422         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1423         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1424         (AVR Built-in Macros): New subsubsection therein.
1425         * doc/md.texi (AVR constraints): Remove "C04", "R".
1426
1427 2012-01-20  Richard Guenther  <rguenther@suse.de>
1428
1429         PR tree-optimization/51903
1430         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1431         when removing stmts.
1432
1433 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1434
1435         PR target/50313
1436         * config/arm/arm.c (arm_load_pic_register): Use
1437         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1438         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1439         (arm_pic_static_addr): Likewise.
1440         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1441         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1442         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1443         (pic_load_addr_unified): New.
1444
1445 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1446
1447         PR target/51106
1448         * function.c (instantiate_virtual_regs_in_insn): Use
1449         delete_insn_and_edges when removing a wrong asm insn.
1450
1451 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1452
1453         PR rtl-optimization/40761
1454         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1455         Add new member loop_num.
1456         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1457         (ira_build): Remove the parameter.
1458
1459         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1460         (ira.c): Do not build CFG loops for one region allocation.  Remove
1461         argument from ira_build call.
1462
1463         * ira-build.c (init_loop_tree_node): New function.
1464         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1465         loops are not built.
1466         (more_one_region_p): Check current_loops.
1467         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1468         built.
1469         (add_loop_to_tree): Process loop equal to NULL too.
1470         (form_loop_tree): Separate the case when CFG loops are not built.
1471         Use explicitly number for the root.
1472         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1473         an assertion.
1474         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1475         instead of loop->num.
1476         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1477         (mark_all_loops_for_removal): Ditto.
1478         (remove_unnecessary_regions): Separate the case when CFG loops
1479         are not built.
1480         (ira_build): Remove the parameter.  Use explicit number of regions
1481         when CFG loops are not built.
1482
1483         * ira-color.c (print_loop_title): Separate the case for the root node.
1484         Use loop_num instead of loop->num.
1485         (move_spill_restore): Use loop_num instead of loop->num.
1486
1487         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1488         (change_loop): Ditto.
1489         (change_loop): Use loop_num instead of loop->num.
1490
1491         * ira-lives.c (process_bb_node_lives): Ditto.
1492
1493         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1494
1495         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1496
1497 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1498
1499         PR libmudflap/40778
1500         * tree-mudflap.c (mf_artificial): New function.
1501         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1502         mx_register_decls, mudflap_enqueue_decl): Use it.
1503
1504         PR target/51876
1505         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1506         numbers in the insn pattern.
1507
1508 2012-01-19  Michael Matz  <matz@suse.de>
1509
1510         PR tree-optimization/46590
1511         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1512         use it in remembering which conflicts we already created.
1513         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1514         bitmap.
1515
1516 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1517
1518         PR lto/51280
1519         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1520         (merge_and_complain): Same.
1521
1522 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1523
1524         PR bootstrap/50237
1525         * config/initfini-array.h: Guard content of the header
1526         with #ifdef HAVE_INITFINI_ARRAY.
1527         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1528         Add initfini-array.h to tm_file here.
1529         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1530         * config.gcc: Don't add initfini-array.h to tm_file here.
1531         * configure: Regenerated.
1532
1533 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1534
1535         PR rtl-optimization/51505
1536         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1537         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1538         (df_note_bb_compute): Update the call to df_kill_notes.
1539
1540 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1541
1542         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1543
1544 2012-01-18  Richard Guenther  <rguenther@suse.de>
1545
1546         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1547         of conversions to void *.
1548
1549 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1550             Richard Sandiford  <rdsandiford@googlemail.com>
1551
1552         PR middle-end/50325
1553         PR middle-end/51192
1554         * optabs.h (simplify_expand_binop): Declare.
1555         * optabs.c (simplify_expand_binop): Make global.
1556         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1557         endian targets if the source cannot be exactly covered by word
1558         mode chunks.
1559
1560 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1561
1562         PR bootstrap/51872
1563         * hard-reg-set.h (struct hard_reg_set_container): New type.
1564         * target.h (struct hard_reg_set_container): Forward declare.
1565         * target.def (set_up_by_prologue): New target hook.
1566         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1567         * doc/tm.texi: Regenerated.
1568         * function.c (thread_prologue_and_epilogue_insns): Change
1569         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1570         Call targetm.set_up_by_prologue on it.
1571         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1572         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1573
1574 2012-01-17  Nick Clifton  <nickc@redhat.com>
1575
1576         * config/rx/rx.c (rx_can_use_simple_return): New function.
1577         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1578         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1579
1580 2012-01-17  Richard Guenther  <rguenther@suse.de>
1581
1582         PR middle-end/51782
1583         * expr.c (expand_assignment): Take address-space information
1584         from the address operand of MEM_REF and TARGET_MEM_REF.
1585         (expand_expr_real_1): Likewise.
1586
1587 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1588
1589         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1590         reload dump is requested.
1591
1592 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1593
1594         PR other/51165
1595         * trans-mem.c (requires_barrier): Call may_be_aliased.
1596
1597 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1598
1599         PR tree-optimization/51877
1600         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1601         call arguments and fndecls compare equal, instead return false if they
1602         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1603         both SSA_NAMEs that are valueized the same, or they satisfy
1604         operand_equal_p.
1605
1606 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1607
1608         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1609         Solaris 11+.
1610         * configure: Regenerate.
1611
1612 2012-01-16  Jan Hubicka  <jh@suse.cz>
1613
1614         PR c/12245
1615         PR c++/14179
1616         * convert.c (convert_to_integer): Use fold_convert for
1617         converting an INTEGER_CST to integer type.
1618
1619 2012-01-16  Jason Merrill  <jason@redhat.com>
1620
1621         PR c++/14179
1622         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1623
1624 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1625
1626         PR bootstrap/51860
1627         * config/s390/s390.c (s390_chunkify_start): Don't skip
1628         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1629         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1630         If insn is followed by NOTE_INSN_VAR_LOCATION or
1631         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1632         Don't use location of note insns.
1633
1634         PR tree-optimization/51865
1635         * tree-inline.c (tree_function_versioning): Call remap_decl
1636         on DECL_RESULT whenever it has VOID_TYPE_P type.
1637
1638 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1639
1640         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1641         for calls to locally-binding MIPS16 functions if only the return
1642         type uses float regs.
1643
1644 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1645             Richard Sandiford  <rdsandiford@googlemail.com>
1646
1647         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1648         (SYMBOL_32_HIGH): Likewise.
1649         (mips_output_tls_reloc_directive): Declare.
1650         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1651         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1652         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1653         (mips_lo_relocs, mips_hi_relocs): Make extern.
1654         (mips16_stub_function): Move up file.
1655         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1656         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1657         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1658         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1659         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1660         (mips_get_tp): Add MIPS16 support.
1661         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1662         Generalize DTPREL and TPREL handling.
1663         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1664         Add MIPS16 TLS support.
1665         (mips_output_tls_reloc_directive): New function.
1666         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1667         * config/mips/predicates.md (symbolic_operand_with_high)
1668         (tls_reloc_operand): New predicates.
1669         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1670         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1671         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1672         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1673         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1674         (*tls_get_tp_mips16_call_<mode>): Likewise.
1675
1676 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1677
1678         PR rtl-optimization/51821
1679         * recog.c (peep2_find_free_register): Determine clobbered registers
1680         from insn pattern.
1681
1682 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1683
1684         PR target/50925
1685         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1686         * config/avr/avr.c: Likewise.
1687         * config/avr/avr.h: Likewise.
1688
1689 2012-01-13  Ian Lance Taylor  <iant@google.com>
1690
1691         PR c++/50012
1692         * tree.h (TYPE_QUALS): Add cast to int.
1693         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1694
1695 2012-01-13  Ian Lance Taylor  <iant@google.com>
1696
1697         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1698         comparing param_index to VEC_length result.
1699
1700 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1701
1702         * c-decl.c: Do not include tree-mudflap.h
1703         * tree-optimize.c: Likewise.
1704         * Makefile.in: Update dependencies.
1705
1706 2012-01-13  Richard Guenther  <rguenther@suse.de>
1707
1708         PR middle-end/8081
1709         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1710         variable-sized result always use RSO.
1711
1712 2012-01-12  DJ Delorie  <dj@redhat.com>
1713
1714         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1715         pointer type, not just the default pointer type.
1716
1717 2012-01-09  Richard Henderson  <rth@redhat.com>
1718             Denis Chertykov  <chertykov@gmail.com>
1719
1720         PR target/50925
1721         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1722         * config/avr/avr.c (avr_can_eliminate): Simplify.
1723         (avr_initial_elimination_offset): Likewise.
1724         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1725         (expand_epilogue): Likewise.
1726         (avr_legitimize_address): Gut.
1727         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1728         (avr_hard_regno_nregs): New.
1729         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1730         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1731         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1732         add soft frame pointer.
1733         (CALL_USED_REGISTERS): Likewise.
1734         (REG_CLASS_CONTENTS): Likewise.
1735         (REGISTER_NAMES): Likewise.
1736         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1737         (HARD_FRAME_POINTER_REGNUM): New.
1738         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1739         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1740         remove the HARD_FRAME_POINTER self-elimination.
1741
1742 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1743
1744         PR target/51756
1745         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1746         DECL_EXTERNAL when checking for initializers of progmem variables.
1747
1748 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1749
1750         PR tree-optimization/51799
1751         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1752         that the last operation is a type demotion.
1753
1754 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1755
1756         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1757         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1758
1759 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1760
1761         PR bootstrap/51796
1762         * combine.c (distribute_notes): If i3 is a noreturn call,
1763         allow old_size to be equal to args_size and make sure the
1764         noreturn call gets REG_ARGS_SIZE note.
1765         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1766         on noreturn calls even when the delta is 0.
1767
1768 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1769
1770         * gcov.c (STRING_SIZE): Remove.
1771         (generate_results): Erase annotations for source files with no
1772         coverage information.
1773         (read_line): New.
1774         (output_lines): Use it.
1775
1776 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1777
1778         * gimple.h (gimplify_body): Remove first argument.
1779         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1780         pointer set here, instead just pass DATA to walk_tree.
1781         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1782         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1783         (unvisit_body): Likewise, but with unmark_visited.
1784         (gimplify_body): Remove BODY_P argument and adjust.
1785         (gimplify_function_tree): Adjust call to gimplify_body.
1786         * omp-low.c (finalize_task_copyfn): Likewise.
1787
1788 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1789
1790         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1791         (build_function_type_skip_args): Delete.
1792         * tree.c (build_function_type_skip_args): Make static and add
1793         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1794         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1795         pass it to build_function_type_skip_args.
1796         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1797         (tree_function_versioning): Likewise.
1798         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1799         build_function_decl_skip_args.
1800         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1801         and pass it to build_function_decl_skip_args/tree_function_versioning.
1802         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1803         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1804         * trans-mem.c (ipa_tm_create_version): Likewise.
1805         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1806         * tree-inline.c (declare_return_variable): Remove always-true test.
1807         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1808         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1809         * ipa-split.c (split_function): Skip the return value for the split
1810         part if it doesn't return.
1811
1812 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1813
1814         PR tree-optimization/49642
1815         * ipa-split.c (forbidden_dominators): New variable.
1816         (check_forbidden_calls): New function.
1817         (dominated_by_forbidden): Likewise.
1818         (consider_split): Check for forbidden dominators.
1819         (execute_split_functions): Initialize and free forbidden
1820         dominators info; call check_forbidden_calls.
1821
1822 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1823
1824         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1825
1826 2012-01-11  Nick Clifton  <nickc@redhat.com>
1827
1828         * config/rx/rx.md (return): Define pattern.
1829
1830 2012-01-11  Richard Guenther  <rguenther@suse.de>
1831
1832         * doc/extend.texi (malloc attribute): Adjust according to
1833         implementation.
1834
1835 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1836             Patrick Marlier  <patrick.marlier@gmail.com>
1837
1838         PR middle-end/51516
1839         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1840         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1841         (ipa_tm_note_irrevocable): Same.
1842         (ipa_tm_scan_irr_block): Same.
1843         (ipa_tm_decrement_clone_counts): Same.
1844         (ipa_tm_scan_irr_function): Same.
1845         (ipa_tm_create_version_alias): Same.
1846         (ipa_tm_create_version): Same.
1847         (ipa_tm_transform_calls_redirect): Same.
1848         (ipa_tm_transform_calls): Same.
1849         (ipa_tm_transform_transaction): Same.
1850         (ipa_tm_execute): Same.
1851
1852 2012-01-10  Richard Guenther  <rguenther@suse.de>
1853
1854         PR middle-end/51806
1855         * opts.c (common_handle_option): Handle -Werror.
1856
1857 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1858
1859         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1860         operand number.
1861
1862 2012-01-10  Jason Merrill  <jason@redhat.com>
1863
1864         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1865         information.
1866
1867 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1868
1869         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1870         supports R_386_TLS_GD_PLT reloc.
1871         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1872         supports R_386_TLS_LDM_PLT reloc.
1873         * configure: Regenerate.
1874         * config.in: Regenerate.
1875
1876 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1877
1878         PR target/49868
1879         Extend __pgmx semantics to linearize memory.
1880         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1881         determine if code comes inline or from libgcc.
1882         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1883         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1884         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1885         (movmemx_qi, movmemx_hi): New insns.
1886         (xload_<mode>_libgcc): Rewrite to new insn condition.
1887         (xload_<mode>): Remove insns.
1888         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1889         cases that don't satisfy avr_xload_libgcc_p().
1890         (avr_addr_space_convert): Allow converting in any direction.
1891         (avr_addr_space_subset_p): Return always true.
1892         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1893         (avr_emit_movmemhi): Ditto.
1894         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1895         (avr_out_movmem): Ditto.
1896         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1897         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1898         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1899         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1900         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1901
1902 2012-01-10  Richard Guenther  <rguenther@suse.de>
1903
1904         PR tree-optimization/50913
1905         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1906         Require data-refs to be representable by Graphite with respect
1907         to any loop nest.
1908
1909 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1910
1911         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1912         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1913
1914 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1915
1916         PR rtl-optimization/51271
1917         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1918         handling annulled branch.
1919
1920 2012-01-10  Richard Henderson  <rth@redhat.com>
1921
1922         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1923         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1924         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1925         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1926         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1927         arm_expand_vec_perm_const): New.
1928         * config/arm/arm-protos.h: Update.
1929         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1930         (*neon_vswp<VDQX>): New.
1931         (neon_vcombine<VDX>): Use neon_split_vcombine.
1932         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1933         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1934         (vec_perm<VE>): New.
1935
1936 2012-01-10  Richard Henderson  <rth@redhat.com>
1937
1938         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1939         use it if reload_completed.
1940         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1941         arm_output_asm_insn, arm_process_output_memory_barrier,
1942         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1943         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1944         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1945         arm_process_output_sync_insn, arm_output_sync_insn,
1946         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1947         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1948         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1949         (emit_unlikely_jump): New.
1950         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1951         (arm_split_atomic_op): New.
1952         * config/arm/arm-protos.h: Update.
1953         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1954         (struct arm_sync_generator): Remove.
1955         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1956         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1957         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1958         (VUNSPEC_LL, VUNSPEC_SC): New.
1959         (sync_result, sync_memory, sync_required_value, sync_new_value,
1960         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1961         (attr length): Don't use arm_sync_loop_insns.
1962         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1963         (movsfcc, movdfcc): Likewise.
1964         * config/arm/constraints.md (Ua): New.
1965         * config/arm/prediates.md (mem_noofs_operand): New.
1966         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1967         (sync_clobber, sync_t2_reqd): Remove.
1968         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1969         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1970         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1971         (arm_sync_compare_and_swap<SIDI>): Remove.
1972         (arm_sync_compare_and_swap<NARROW>): Remove.
1973         (arm_sync_lock_test_and_set<SIDI>): Remove.
1974         (arm_sync_lock_test_and_set<NARROW>): Remove.
1975         (arm_sync_new_<syncop><SIDI>): Remove.
1976         (arm_sync_new_<syncop><NARROW>): Remove.
1977         (arm_sync_new_nand<SIDI>): Remove.
1978         (arm_sync_new_nand<NARROW>): Remove.
1979         (arm_sync_old_<syncop><SIDI>): Remove.
1980         (arm_sync_old_<syncop><NARROW>): Remove.
1981         (arm_sync_old_nand<SIDI>): Remove.
1982         (arm_sync_old_nand<NARROW>): Remove.
1983         (*memory_barrier): Merge arm_output_memory_barrier.
1984         (atomic_compare_and_swap<QHSD>): New.
1985         (atomic_compare_and_swap<NARROW>_1): New.
1986         (atomic_compare_and_swap<SIDI>_1): New.
1987         (atomic_exchange<QHSD>): New.
1988         (cas_cmp_operand, cas_cmp_str): New.
1989         (atomic_op_operand, atomic_op_str): New.
1990         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1991         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1992         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1993         (arm_load_exclusive<NARROW>): New.
1994         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1995         (arm_store_exclusive<QHSD>): New.
1996
1997 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1998
1999         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2000         reload patterns if -mvsx-scalar-memory.
2001
2002         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2003         generated, even -mno-vsx-scalar-double was used.
2004         (vsx_xscvdpsp_scalar): Likewise.
2005         (vsx_xscvspdp_scalar2): Likewise.
2006
2007 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2008             Andrew Pinski  <apinski@cavium.com>
2009
2010         PR debug/51471
2011         * reorg.c (fill_slots_from_thread): Don't speculate
2012         frame-related insns.
2013
2014 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2015
2016         * sched-int.h (bb_note): Move to...
2017         * basic-block.h: ...here.
2018         * haifa-sched.c (bb_note): Move to...
2019         * cfgrtl.c: ...here.
2020         * function.c (next_block_for_reg): New function.
2021         (move_insn_for_shrink_wrap): Likewise.
2022         (prepare_shrink_wrap): Rewrite to use the above.
2023
2024 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2025
2026         * gimple.c (is_gimple_non_addressable): Remove.
2027         * gimple.h: Remove is_gimple_non_addressable.
2028         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2029         is_gimple_non_addressable.
2030         * trans-mem.c (expand_assign_tm): Same.
2031
2032 2012-01-09  Richard Guenther  <rguenther@suse.de>
2033
2034         PR tree-optimization/51775
2035         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2036         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2037
2038 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2039
2040         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2041         tuning parameters.
2042         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2043
2044 2012-01-09  Richard Guenther  <rguenther@suse.de>
2045
2046         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2047
2048 2012-01-08  Jan Hubicka  <jh@suse.cz>
2049
2050         PR tree-optimize/51680
2051         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2052         on when known_vals needs to be computed; cleanup.
2053
2054 2012-01-08  Jan Hubicka  <jh@suse.cz>
2055
2056         PR tree-optimize/51694
2057         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2058
2059 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2060
2061         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2062         for -std=c++98 and -std=c++11 too.
2063
2064 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2065
2066         * cfgloop.c (cancel_loop): Add free() of bbs array.
2067
2068 2012-01-07  Jan Hubicka  <jh@suse.cz>
2069
2070         PR tree-optimization/51600
2071         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2072         that benefits small functions.
2073
2074 2012-01-07  Jan Hubicka  <jh@suse.cz>
2075
2076         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2077
2078 2012-01-07  Jan Hubicka  <jh@suse.cz>
2079
2080         PR tree-optimization/51680
2081         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2082         whose inlining reduce unit size.
2083
2084 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2085
2086         PR bootstrap/51725
2087         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2088         Add canonical node to containing_mem chain after the non-canonical
2089         one, even if there weren't any locs to propagate.
2090         (remove_useless_values): Keep only canonical values.
2091         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2092         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2093         canonicalize mem_chain elements that are not discarded.
2094
2095 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2096
2097         PR target/47333
2098         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2099         before emitting functions.
2100
2101         PR gcov-profile/50127
2102         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2103         clear_aux_for_blocks.
2104
2105 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2106
2107         PR debug/51746
2108         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2109
2110 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2111
2112         * c-decl.c (ext_block): Moved up.
2113         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2114
2115 2012-01-06  Han Shen  <shenhan@google.com>
2116
2117         Translate built-in include paths for sysroot.
2118         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2119         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2120
2121         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2122         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2123
2124         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2125         control whether sysroot should be prepended to gxx include dir.
2126
2127         * configure: Regenerate.
2128
2129 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2130
2131         PR rtl-optimization/51771
2132         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2133         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2134
2135 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2136
2137         PR tree-optimization/51315
2138         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2139         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2140
2141 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2142
2143         PR target/51681
2144         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2145         for shrp pattern.  Correctly handle and fixup shift variable.
2146         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2147
2148 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2149
2150         PR debug/51762
2151         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2152         note when !ACCUMULATE_OUTGOING_ARGS.
2153
2154 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2155
2156         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2157         condition.
2158         (extract_range_from_unary_expr_1): Avoid useless computations.
2159
2160 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2161
2162         PR rtl-optimization/51767
2163         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2164         of jump_block and add an extra edge for degenerated asm gotos.
2165
2166         PR middle-end/51768
2167         * stmt.c (check_unique_operand_names): Don't ICE during error
2168         reporting if i is from labels chain.
2169
2170         PR middle-end/44777
2171         * profile.c (branch_prob): Split bbs that have exit edge
2172         and need a fake entry edge too.
2173
2174 2012-01-05  Jan Hubicka  <jh@suse.cz>
2175
2176         PR middle-end/49710
2177         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2178         unlooping loops.
2179
2180 2012-01-05  Richard Guenther  <rguenther@suse.de>
2181
2182         PR lto/50490
2183         * tree-streamer-out.c (write_ts_optimization): New function.
2184         (streamer_write_tree_body): Call it.
2185         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2186         (streamer_read_tree_body): Call it.
2187         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2188
2189 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2190
2191         PR middle-end/51761
2192         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2193         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2194         in_cleanup_point_expr before gimplify_stmt call and restore it
2195         afterwards.
2196         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2197         in_cleanup_point_expr is false.
2198
2199 2012-01-05  Richard Guenther  <rguenther@suse.de>
2200
2201         PR middle-end/51764
2202         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2203         to c.opt.
2204         * toplev.c (process_options): Reject combining mudflap and LTO.
2205         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2206
2207 2012-01-05  Richard Guenther  <rguenther@suse.de>
2208
2209         PR tree-optimization/51760
2210         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2211         not VARYING.
2212         (bit_value_unop): Handle UNDEFINED operands.
2213         (bit_value_binop): Likewise.
2214
2215 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2216
2217         * config/avr/avr.c (avr_replace_prefix): Remove.
2218         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2219         (avr_asm_function_rodata_section): Ditto.
2220         (avr_asm_select_section): Ditto.
2221
2222 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2223
2224         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2225         insertion.
2226
2227 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2228
2229         PR bootstrap/51648
2230         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2231         calls that have any non-fake successor edges.
2232
2233         PR debug/51746
2234         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2235
2236 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2237
2238         PR tree-optimization/51624
2239         * tree-sra.c (build_ref_for_model): When replicating a chain of
2240         COMPONENT_REFs, stop as soon as the offset would become negative.
2241
2242 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2243
2244         PR debug/51695
2245         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2246         in .debug_loc on the floor.
2247
2248 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2249
2250         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2251
2252 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2253             Adam Nemet  <anemet@caviumnetworks.com>
2254
2255         * config/mips/mips.md (size): Add SI and DI.
2256         (SIZE): New mode attribute.
2257         (U): New code attribute.
2258         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2259         (mips_lbux_<mode>): Delete.
2260         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2261         (mips_lhx): Use gen_mips_lhx_extsi.
2262         (mips_lhx_<mode>): Delete.
2263         (mips_lwx): Delete.
2264         (mips_l<size>x): New expand.
2265         (mips_lwx_<mode>): Delete.
2266         (mips_l<GPR:size>x_<P:mode>): New pattern.
2267         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2268         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2269         * config/mips/mips.c (mips_lx_address_p): New function.
2270         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2271         (dsp64): New availability predicate.
2272         (mips_builtins): Add an entry for __builtin_mips_ldx.
2273         * config/mips/mips.h (ISA_HAS_LBX): New define.
2274         (ISA_HAS_LBUX): Likewise.
2275         (ISA_HAS_LHX): Likewise.
2276         (ISA_HAS_LHUX): Likewise.
2277         (ISA_HAS_LWX): Likewise.
2278         (ISA_HAS_LWUX): Likewise.
2279         (ISA_HAS_LDX): Likewise.
2280         * doc/extend.texi (__builtin_mips_ldx): Document.
2281
2282 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2283
2284         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2285         when long pointers are used.
2286         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2287         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2288         (ia64-hp-*vms*): Remove.
2289         * config/vms/xm-vms64.h: Delete.
2290
2291 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2292
2293         PR middle-end/51472
2294         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2295
2296 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2297
2298         * opts.c (finish_options): Remove duplicate sorry.
2299
2300 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2301
2302         PR middle-end/51696
2303         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2304         correctly.
2305
2306 2012-01-04  Richard Guenther  <rguenther@suse.de>
2307
2308         PR middle-end/51750
2309         * tree.c (size_low_cst): New function.
2310         * tree.h (size_low_cst): Declare.
2311         * fold-const.c (fold_comparison): Use it to extract the low
2312         part of the POINTER_PLUS_EXPR offset.
2313
2314 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2315
2316         Fix clearing ZERO_REG
2317         * config/avr/avr.md (cc): Add alternative "ldi".
2318         (movqi_insn): Use it in cc attribute.
2319         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2320         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2321         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2322
2323 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2324
2325         * configure: Regenerate.
2326
2327 2012-01-04  Richard Guenther  <rguenther@suse.de>
2328
2329         PR tree-optimization/49651
2330         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2331         (var_can_have_subvars): Use it.
2332         (get_constraint_for_1): Only consider subfields if there can be any.
2333
2334 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2335
2336         PR bootstrap/51725
2337         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2338         to its new canonical_cselib_val and the cselib_val was in
2339         first_containing_mem chain, but the canonical_cselib_val was not,
2340         add the latter into the chain.
2341         (cselib_invalidate_mem): Compare canonical_cselib_val of
2342         addr_list chain elt with v.
2343
2344         PR pch/51722
2345         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2346         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2347         of xstrdup.
2348         (output_macinfo_op): Don't ggc_strdup fd->filename.
2349         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2350         then ggc_strdup it.  Don't free inc->info or cur->info.
2351         (output_macinfo): Don't free ref->info or file->info.
2352
2353 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2354
2355         PR tree-optimization/51269
2356         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2357         first_niters a pointer.
2358         (slpeel_tree_peel_loop_to_edge): Likewise.
2359         (vect_do_peeling_for_loop_bound): Update call to
2360         slpeel_tree_peel_loop_to_edge.
2361         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2362         here.  Remove it from the parameters list.
2363         (vect_do_peeling_for_alignment): Update calls and compute
2364         wide_prolog_niters.
2365
2366 2012-01-03  Richard Guenther  <rguenther@suse.de>
2367
2368         PR tree-optimization/51070
2369         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2370         Properly handle calls.
2371
2372 2012-01-03  Richard Guenther  <rguenther@suse.de>
2373
2374         PR tree-optimization/51692
2375         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2376         the LHS of allocation stmts.
2377
2378 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2379
2380         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2381
2382 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2383
2384         * collect2.c (main): In AIX specific computations for vector
2385         insertions, use CONST_CAST2 to cast from char ** to const char **.
2386
2387 2012-01-03  Richard Guenther  <rguenther@suse.de>
2388
2389         PR debug/51650
2390         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2391         the context of a limbo DIE when it does not already exist.
2392
2393 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2394
2395         PR tree-optimization/51719
2396         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2397         but direct call is, clear direct call's lhs and don't add fallthrough
2398         edge from dcall_bb to join_bb and PHIs.
2399
2400 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2401
2402         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2403         the instructions emitted by the pattern.
2404         ("*TDC_insn_<mode>"): Add comment.
2405
2406 2012-01-03  Richard Guenther  <rguenther@suse.de>
2407
2408         PR middle-end/51730
2409         * fold-const.c (fold_comparison): Properly canonicalize
2410         tree offset and HOST_WIDE_INT bit position.
2411
2412 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2413
2414         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2415         operands for extzv pattern.
2416
2417 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2418
2419         PR bootstrap/51725
2420         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2421         on mem_elt first.
2422
2423 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2424
2425         * doc/invoke.texi (-flto and related options): Copy-edit.
2426
2427 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2428
2429         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2430
2431 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2432
2433         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2434         New patterns.
2435
2436 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2437
2438         * expr.h (move_by_pieces_ninsns): Declare.
2439         * expr.c (move_by_pieces_ninsns): Make external.
2440         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2441         (mips_store_by_pieces_p): Likewise.
2442         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2443         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2444         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2445         (mips_store_by_pieces_p): Likewise.
2446
2447 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2448
2449         * passes.c (register_one_dump_file): Free full_name.
2450
2451         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2452         (calculate_elim_costs_all_insns): Free offsets_at and
2453         offsets_known_at at the end and clear the pointers.
2454
2455 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2456
2457         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2458         this option introduced in r180739.
2459
2460 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2461
2462         PR target/51345
2463         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2464         (tmake_file target=avr): Add avr/t-multilib.
2465
2466         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2467         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2468         * config/avr/genmultilib.awk: New file.
2469         * config/avr/t-multilib: New auto-generated file.
2470         * config/avr/multilib.h: New auto-generated file.
2471         * config/avr/t-avr (AVR_MCUS): New variable.
2472         (genopt.sh): Use it.
2473         (s-mlib): Depend on t-multilib.
2474         (t-multilib, multilib.h): New dependencies.
2475         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2476         (MULTILIB_OPTIONS): Remove.
2477         (MULTILIB_MATCHES): Remove.
2478         (MULTILIB_DIRNAMES): Remove.
2479         (MULTILIB_EXCEPTIONS): Remove:
2480         * config/avr/genopt.sh: Don't use hard coded file name;
2481         pass AVR_MCUS from t-avr instead.
2482
2483 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2484
2485         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2486
2487 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2488
2489         Implement light-weight DImode support.
2490         * config/avr/avr-dimode.md: New file.
2491         * config/avr/avr.md: Include it.
2492         (adjust_len): Add plus64, compare64.
2493         (HIDI): Remove code iterator.
2494         (code_stdname): New code attribute.
2495         (rotx, rotsmode): Remove DI.
2496         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2497         as code iterator.
2498         * config/avr/avr-protos.h (avr_have_dimode): New.
2499         (avr_out_plus64, avr_out_compare64): New.
2500         * config/avr/avr.c (avr_out_compare): Handle DImode.
2501         (avr_have_dimode): New variable definition and initialization.
2502         (avr_out_compare64, avr_out_plus64): New functions.
2503         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2504         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2505         (avr_compare_pattern): Skip DImode comparisons.
2506
2507 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2508
2509         * ddg.c (def_has_ccmode_p): New function.
2510         (add_cross_iteration_register_deps,
2511         create_ddg_dep_from_intra_loop_link): Call it.
2512
2513 2012-01-02  Richard Guenther  <rguenther@suse.de>
2514
2515         PR other/51679
2516         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2517
2518 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2519
2520         * gcc.c (process_command): Update copyright notice dates.
2521         * gcov.c (print_version): Likewise.
2522         * gcov-dump.c (print_version): Likewise.
2523         * mips-tfile.c (main): Likewise.
2524         * mips-tdump.c (main): Likewise.
2525
2526 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2527
2528         PR tree-optimization/51704
2529         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2530         a use is inside the basic block or loop before accessing its vect info.
2531
2532 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2533
2534         PR rtl-optimization/51069
2535         * cfgloopmanip.c (remove_path): Removing path making irreducible
2536         region unconditional makes BB part of the region.
2537
2538 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2539
2540         PR tree-optimization/51683
2541         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2542         calls with side-effects.
2543         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2544 \f
2545 Copyright (C) 2012 Free Software Foundation, Inc.
2546
2547 Copying and distribution of this file, with or without modification,
2548 are permitted in any medium without royalty provided the copyright
2549 notice and this notice are preserved.