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Fix timestamp of r185685.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2
3         Backport from mainline r185259.
4
5         PR other/52545
6         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
7         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
8
9 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
10
11         Backported from mainline
12         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
13  
14         PR c/52577
15         * c-parser.c (c_parser_postfix_expression)
16         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
17
18         * config/i386/smmintrin.h: Avoid /* within a comment.
19         * config/i386/nmmintrin.h: Likewise.
20
21 2012-03-22  Richard Guenther  <rguenther@suse.de>
22
23         * BASE-VER: Set to 4.7.1.
24         * DEV-PHASE: Set to prerelease.
25
26 2012-03-22  Release Manager
27
28         * GCC 4.7.0 released.
29
30 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31
32         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
33
34 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
35             Andrew Pinski  <apinski@cavium.com>
36
37         PR middle-end/52592
38         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
39         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
40         calls instead of __builtin_ir{int,ound}*.
41
42 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
43
44         PR c++/52582
45         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
46         if c_node is NULL.
47
48 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
49
50         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
51         Refer to GCC 4.7 version of c99status.html.
52
53 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
54
55         Backport from mainline
56         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
57
58         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
59         redefine to be NULL if the current bit-size is different from the
60         configured bit-size.
61
62         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
63         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
64         set the default tuning.  Add asserts to make sure the cpu and tune
65         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
66         test whether the index is set, instead of > 0.
67         (rs6000_file_start): Do not reset the default cpu if the current
68         bit-size is different from the configured bit-size.
69
70 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
71
72         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
73         binutils reference.
74         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
75         Update binutils references.
76         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
77         Update binutils reference.
78         Update Sun as/GNU ld caveat.
79         Document binutils largefile requirement for LTO plugin.
80         Remove reference to alternate libpthread.
81
82 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
83
84         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
85         reference.
86         (Specific, mips-sgi-irix6): Likewise.
87
88 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
89
90         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
91         * configure: Regenerate.
92
93 2012-03-07  Richard Henderson  <rth@redhat.com>
94
95         * config/m68k/m68k.h (ISA_HAS_TAS): New.
96         * config/m68k/sync.md (atomic_test_and_set): Use it.
97         (atomic_test_and_set_1): Likewise.
98
99 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
100
101         PR target/51417
102         * Makefile.in: Let install-gcc-ar depend on installdirs, gcc-ar$(exeext),
103         gcc-nm$(exeext), gcc-ranlib$(exeext).
104         Don't double canonicalize if cross-compiling.
105
106 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
107
108         * trans-mem.c: New typedef for tm_region_p.
109         Define vector types for tm_region_p.
110         (tm_region_init): Replace region_worklist to a vector called
111         bb_regions.
112
113 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
114
115         PR middle-end/52463
116         * trans-mem.c (tm_region_init): Use last_basic_block.
117
118 2012-03-05  Richard Henderson  <rth@redhat.com>
119
120         PR tree-opt/52242
121         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
122         * omp-low.c (expand_omp_atomic): Assume anything aligned to
123         BIGGEST_ALIGNMENT is aligned.
124
125 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
126
127         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
128
129 2012-03-05  Richard Henderson  <rth@redhat.com>
130
131         PR target/52481
132         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
133         instead of calling negqi2 directly.
134
135 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
136
137         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
138         (INTMAX_TYPE): Use it.
139         (UINTMAX_TYPE): Likewise.
140         (SUBTARGET_OVERRIDE_OPTIONS): Define.
141         (irix6_c_common_override_options): Declare.
142         (C_COMMON_OVERRIDE_OPTIONS): Define.
143         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
144         * config/mips/irix6-c.c: New file.
145         * config/mips/t-irix6 (irix6-c.o): New target.
146         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
147         cxx_target_objs.
148
149 2012-03-02  Richard Henderson  <rth@redhat.com>
150
151         * optabs.c (expand_atomic_test_and_set): Honor
152         atomic_test_and_set_trueval even when atomic_test_and_set
153         optab is not in use.
154
155 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
156
157         Backport from mainline
158         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
159
160         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
161
162 2012-03-02  Richard Guenther  <rguenther@suse.de>
163
164         * DEV-PHASE: Set to prerelease.
165
166 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
167
168         * config.gcc (obsolete): Add all ARM targets using the FPA.
169         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
170         * doc/install.texi: Avoid references to obsolete ARM ports.
171
172 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
173
174         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
175
176 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
177             Joern Rennecke  <joern.rennecke@embecosm.com>
178
179         * doc/extend.texi: Expand and update information on interrupt
180         attribute for Epiphany.
181
182 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
183
184         * config/sh/sh-protos.h: Update copyright notice dates.
185         * config/sh/sh.h: Likewise.
186         * config/sh/sh.md: Likewise.
187         * config/sh/constraints.md: Likewise.
188         * config/sh/predicates.md: Likewise.
189
190 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
191
192         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
193         * config/sh/sh.c (tertiary_reload_operand): Likewise.
194
195 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
196
197         * config/sh/constraints.md: Fix comment typo.
198
199 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
200
201         PR target/52408
202         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
203         unsigned HOST_WIDE_INT.
204         (zvdep_imm64): Likewise.
205         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
206         (vdepi_and): Likewise.
207         Likewise for unamed 64-bit patterns.
208         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
209
210 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
211
212         PR debug/52001
213         PR rtl-optimization/52417
214         * cselib.c (cselib_any_perm_equivs): New variable.
215         (cselib_reset_table): Check that it's not set when not
216         preserving constants.
217         (cselib_add_permanent_equiv): Set it.
218         (cselib_have_permanent_equivalences): New.
219         (cselib_init, cselib_finish): Reset it.
220         * cselib.h (cselib_have_permanent_equivalences): Declare.
221         * alias.c (get_addr): Restore earlier behavior when there
222         aren't permanent equivalences.
223
224 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
225
226         * config/mn10300/mn10300-modes.def: Fix copyright notice.
227         * config/v850/v850-modes.def: Fix copyright notice.
228
229 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
230
231         * doc/extend.texi (AVR Built-in Functions): Document
232         __builtin_avr_flash_segment.
233
234         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
235         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
236         (*split.flash_segment): New insn-and-split.
237         * config/avr/avr.c (avr_init_builtins): Add local variables:
238         const_memx_void_node, const_memx_ptr_type_node,
239         char_ftype_const_memx_ptr.
240
241 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
242
243         PR tree-optimization/52445
244         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
245         add ssa_name_ver, offset and size fields and change store field
246         to bool.
247         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
248         (add_or_mark_expr): Likewise.  Only consider previous stores
249         with the same size and offset.
250         (nt_init_block): Only look at gimple_assign_single_p stmts,
251         doesn't look at rhs2.
252
253 2012-03-01  Richard Guenther  <rguenther@suse.de>
254
255         PR middle-end/52443
256         * tree-cfg.c (verify_gimple_assign_unary): Allow any
257         conversions from integral types to pointer types.
258
259 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
260
261         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
262         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__ 
263         unintentionally removed in r184616.
264
265 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
266
267         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
268         3DNow from bdver1.
269
270 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
271             Uros Bizjak  <ubizjak@gmail.com>
272
273         PR target/52437
274         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
275         alternatives, add "e" constraint to the new last alternative
276         and ! to last 3 alternatives.
277
278 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
279
280         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
281         DW_AT_artificial attributes at the end of the processing.
282         (gen_array_type_die): Likewise.
283         (gen_enumeration_type_die): Likewise.
284         (gen_struct_or_union_type_die): Likewise.
285         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
286         the parent type.
287
288 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
289
290         PR middle-end/52419
291         * expr.c (expand_assignment): If doing misaligned store that doesn't
292         cover all mode bits, perform a RMW cycle.
293
294         PR tree-optimization/52429
295         * tree-parloops.c (separate_decls_in_region_debug): Return early
296         if var is LABEL_DECL.
297
298 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
299
300         PR tree-optimization/52424
301         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
302         calling dom_thread_across_edge.
303
304 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
305
306         * config/avr/avr.c: Move definition of TARGET macros to end of file.
307
308 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
309
310         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
311         * config/avr/avr.c (avr_output_bld): Remove unused function.
312         (avr_out_sbxx_branch): Use "%T" to print bit position.
313
314 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
315
316         * config/avr/avr.md: Untabify.
317
318 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
319
320         * config/avr/avr.md (eqne): New code iterator.
321         (*dec-and-branchsi): Use it in text peephole's condition.
322         (*dec-and-branchhi): Ditto.
323         (*dec-and-branchqi): Ditto.
324
325 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
326
327         PR target/49939
328         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
329         the device does not have the skip-bug.
330
331 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
332
333         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
334         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
335         -mpretend-cmove): New.
336
337 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
338
339         PR bootstrap/52397
340         * df.h (struct df_d): Adjust comment that hard_regs_live_count
341         doesn't count DEBUG_INSN refs.
342         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
343         for DEBUG_INSN refs.
344
345 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
346
347         Partially revert:
348
349         2012-02-20  Richard Guenther  <rguenther@suse.de>
350         PR tree-optimization/52298
351         * tree-vect-stmts.c (vectorizable_load): Properly use
352         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
353         outer loops.
354
355 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
356
357         PR middle-end/51752
358         * gimple.h (gimple_in_transaction): New.
359         (gimple_set_in_transaction): New.
360         (struct gimple_statement_base): Add in_transaction field.
361         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
362         transaction loads.
363         (tree_ssa_lim_initialize): Compute transaction bits.
364         * tree.h (compute_transaction_bits): Protoize.
365         * trans-mem.c (tm_region_init): Use the heap to store BB
366         auxilliary data.
367         (compute_transaction_bits): New.
368
369 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
370
371         * gcc.c (display_help): Document --help=common and sort entries
372         alphabetically.
373
374 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
375
376         * doc/install.texi: Document check-$LANG specific shortcuts
377
378 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
379
380         PR target/51534
381         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
382         and vcgtu.
383         * config/arm/arm_neon.h: Regenerate.
384         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
385         (neon_vcgeu): New insn.
386         (neon_vcgtu): Likewise.
387         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
388         (ops): Unsigned comparison intrinsics call a different
389         builtin.
390
391 2012-02-28  Richard Guenther  <rguenther@suse.de>
392
393         PR target/52407
394         * config/i386/i386.c (ix86_expand_vector_set): Fix element
395         ordering for the VEC_CONCAT for two element vectors for
396         V2SFmode, V2SImode and V2DImode.
397
398 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
399
400         PR target/49448
401         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
402         detecting big-endian triplets.
403
404 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
405
406         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
407         mode if there is no type information available.
408
409 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
410
411         PR tree-optimization/53207
412         * doc/invoke.texi: Document as experimental and relying on graphite.
413
414 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
415
416         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
417         of initializer to changes from r184614.
418         
419 2012-02-28  Richard Guenther  <rguenther@suse.de>
420
421         PR tree-optimization/52395
422         * tree-sra.c (build_ref_for_offset): Also look at the base
423         TYPE_ALIGN when figuring out the alignment of the replacement.
424
425 2012-02-28  Richard Guenther  <rguenther@suse.de>
426
427         PR tree-optimization/52402
428         * ipa-prop.c (ipa_modify_call_arguments): Properly use
429         mis-aligned types when creating the accesses at the call site.
430
431 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
432
433         * config/avr/builtins.def: New file.
434         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
435         * config/avr/avr.c (enum avr_builtin_id): Use it.
436         (avr_init_builtins): Use it. And use avr_bdesc.
437         (bdesc_1arg): Remove.
438         (bdesc_2arg): Remove.
439         (bdesc_3arg): Remove.
440         (struct avr_builtin_description): Add field n_args.
441         (avr_bdesc): New static variable using builtins.def.
442         (avr_expand_builtin): Use it.
443         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
444         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
445         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
446
447 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
448
449         PR target/52148
450         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
451         match only one single hard register with respective hard reg rtx.
452         (movmemx_<mode>): Ditto.
453         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
454         insn anatomy of movmem[x]_<mode>.
455         (avr_out_movmem): Same for printing assembler and operand usage.
456
457 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
458
459         PR target/49868
460         PR target/52261
461         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
462         address spaces located outside of device flash.
463
464         * config/avr/avr.h (base_arch_s): Remove field n_segments.
465         (mcu_type_s): Add field n_flash.
466         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
467         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
468         (AVR_MCU): Add N_FLASH argument.
469         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
470         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
471         macro __FLASH<n> if that address space makes sense for the device.
472         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
473         outside of target flash.
474         (avr_asm_named_section): Ditto.
475         (avr_asm_select_section): Ditto.
476         (avr_addr_space_convert): Ditto.
477         (avr_emit_movmemhi): Ditto.
478         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
479         address space is outside of device flash.
480         (avr_insert_attributes): Ditto.
481         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
482         avr_current_arch->n_segments.
483
484 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
485
486         PR target/52352
487         * config/i386/i386.md (*movabs<mode>_1): Enable only for
488         TARGET_LP64.
489         (*movabs<mode>_2): Likewise.
490
491 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
492
493         PR target/52375
494         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
495         s_register_operand in the test instead of REG_P.  Don't call
496         gen_reg_rtx if it won't be used.
497
498         PR tree-optimization/52376
499         * ipa-split.c (split_function): Ignore CLOBBER stmts.
500
501 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
502
503         * ifcvt.c (noce_get_condition): Check condition variable is not
504         small_register_classes_for_mode_p before accepting.
505
506 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
507
508         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
509
510 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
511
512         Revert:
513         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
514         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
515         tuning parameters.
516         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
517
518 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
519
520         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
521
522 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
523
524         * config/sh/predicates.md: Remove blank lines.
525         * config/sh/sh.c: Fix typos in comments.
526         * config/sh/constraints.md: Likewise.
527         * config/sh/sh.md: Remove blank lines.
528         Fix typos in comments.  Use ;; as comment characters.
529
530 2012-02-26  Walter Lee  <walt@tilera.com>
531
532         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
533         (replace_mov_pcrel_step2): Ditto.
534
535 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
536
537         PR debug/52001
538         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
539         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
540         and locs that reference values newer than the non-canonical value
541         at hand.  Return the canonical value as a worst case.
542         (memrefs_conflict_p): Walk canonical value's locs.
543
544         PR debug/52001
545         * cselib.c (preserve_only_constants): Rename to...
546         (preserve_constants_and_equivs): ... this.  Split out...
547         (invariant_or_equiv_p): ... this.  Preserve plus expressions
548         of other preserved expressions too.
549         (cselib_reset_table): Adjust.
550         * var-tracking.c (reverse_op): Use canonical value to build
551         reverse operation.
552
553 2012-02-23  Kai Tietz  <ktietz@redhat.com>
554
555         * config/i386/i386.c (ix86_delegitimize_address): Handle
556         UNSPEC_PCREL plus displacement.
557
558 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
559
560         PR target/52261
561         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
562         to test for unusedness in st X addressing.
563
564 2012-02-24  Richard Guenther  <rguenther@suse.de>
565
566         PR middle-end/52361
567         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
568         (is_gimple_reg_type): Move inline ...
569         * gimple.h (is_gimple_reg_type): ... here.
570
571 2012-02-24  Richard Guenther  <rguenther@suse.de>
572
573         PR middle-end/52361
574         * passes.c (execute_function_todo): When verifying SSA form
575         verify gimple form first.
576         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
577
578 2012-02-24  Richard Guenther  <rguenther@suse.de>
579
580         PR middle-end/52355
581         * fold-const.c (fold_addr_of_array_ref_difference): New function.
582         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
583
584 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
585
586         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
587
588 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
589
590         * tree-phinodes.c (make_phi_node): Mark static.
591         * tree-flow.h (make_phi_node): Remove extern decl.
592         * doc/gimple.texi (make_phi_node): Remove documentation.
593
594 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
595
596         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
597         * tree-ssa-sccvn.c (print_scc): Ditto.
598
599 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
600
601         * doc/passes.texi (Full redundancy elimination): Fix typo.
602
603 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
604
605         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
606
607 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
608
609         PR bootstrap/52287
610         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
611
612 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
613
614         PR c/52290
615         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
616
617 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
618
619         * config/avr/avr.md (code_stdname): Add ior, xor.
620         (xior): New code iterator.
621         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
622         (*<code_stdname><mode>qi.byte1-3): Ditto.
623
624 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
625
626         PR tree-optimization/52019
627         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
628         CLOBBER stmts.
629
630 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
631
632         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
633         HAVE_INITFINI_ARRAY to work around namespace pollution in
634         certain versions of newlib system headers.
635         * config.in: Regenerate.
636         * configure: Regenerate.
637         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
638         instead of HAVE_INITFINI_ARRAY.
639
640 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
641
642         PR target/52330
643         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
644         is not offsettable memory reference.
645
646 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
647
648         PR target/18145
649         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
650         setting avr_need_clear_bss_p for __gnu_lto* symbols.
651
652 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
653
654         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
655         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
656
657 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
658
659         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
660         library on Solaris 8 even without TLS support.
661         * configure: Regenerate.
662
663 2012-02-22  Richard Guenther  <rguenther@suse.de>
664
665         PR middle-end/52329
666         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
667         for GIMPLE_DEBUG stmts.
668
669 2012-02-22  Martin Jambor  <mjambor@suse.cz>
670
671         PR middle-end/51782
672         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
673         according to the base object.
674
675 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
676
677         PR rtl-optimization/50063
678         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
679         and 2 (8-bit SP) in operand 2.
680         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
681         setup to use movhi_sp_r instead of vanilla move to write SP.
682         Adjust REG_CFA notes to superseed unspec.
683         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
684         of vanilla move.
685         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
686         known to be off) only with TARGET_NO_INTERRUPTS. Never use
687         irq_state 1 (IRQ known to be on) here.
688
689 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
690
691         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
692         WORDS_BIG_ENDIAN.
693         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
694         assign_hard_reg): Likewise.
695
696 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
697
698         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
699
700 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
701
702         * config/avr/avr.md
703         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
704         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
705
706 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
707
708         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
709         prototype from here to...
710         * config/avr/avr.h: ...here.
711
712 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
713
714         PR target/52294
715         * thumb2.md (thumb2_shiftsi3_short): Split register and
716         immediate shifts.  For register shifts tie operands 0 and 1.
717         (peephole2 for above): Check that register-controlled shifts
718         have suitably tied operands.
719
720 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
721
722         PR target/52137
723         * config/i386/bdver1.md (bdver1_call, bdver1_push,
724         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
725         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
726         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
727         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
728         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
729         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
730         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
731         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
732         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
733         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
734         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
735         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
736         bdver1_ssevector_avx256_unaligned_load,
737         bdver1_ssevector_sse128_unaligned_load,
738         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
739         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
740         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
741         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
742         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
743         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
744         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
745         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
746         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
747         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
748         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
749         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
750         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
751         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
752         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
753         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
754         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
755         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
756         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
757         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
758         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
759         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
760         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
761         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
762         bdver1_ssediv_double_load, bdver1_ssediv_double,
763         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
764         Add "bdver2" attribute.
765
766 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
767
768         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
769         default if possible and not specified otherwise.
770
771 2012-02-21  Richard Guenther  <rguenther@suse.de>
772
773         PR middle-end/52314
774         * gimplify.c (create_tmp_from_val): Use the main variant type
775         for the type of the temporary we create.
776
777 2012-02-21  Richard Guenther  <rguenther@suse.de>
778
779         PR tree-optimization/52324
780         * gimplify.c (gimplify_expr): When re-gimplifying expressions
781         do not gimplify a MEM_REF address operand if it is already
782         in suitable form.
783
784 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
785
786         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
787         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
788
789 2012-02-21  Richard Guenther  <rguenther@suse.de>
790
791         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
792         nested_in_vect_loop.
793
794 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
795
796         PR tree-optimization/52318
797         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
798         vdef also to non-pure/const call stmts in the sequence.
799
800 2012-02-20  David S. Miller  <davem@davemloft.net>
801
802         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
803         don't use the "rd %pc" instruction on v9 for PIC register loads.
804
805 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
806
807         PR middle-end/52141
808         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
809         in a transaction safe function.
810
811 2012-02-20  Kai Tietz  <ktietz@redhat.com>
812
813         PR target/52238
814         * stor-layout.c (place_field): Handle desired_align for
815         ms-bitfields, too.
816
817 2012-02-20  Richard Guenther  <rguenther@suse.de>
818
819         PR tree-optimization/52298
820         * tree-vect-stmts.c (vectorizable_store): Properly use
821         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
822         outer loops.
823         (vectorizable_load): Likewise.
824         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
825         Access DR_STEP after ensuring it is not NULL.
826
827 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
828
829         PR tree-optimization/52286
830         * fold-const.c (fold_binary_loc): For (X & C1) | C2
831         optimization use double_int_to_tree instead of build_int_cst_wide,
832         rewrite to use double_int vars.
833
834 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
835
836         PR target/50166
837         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
838         Define _start.
839         Remove -e 0 from $gcc_cv_ld invocation.
840         Only use __GLIBC_PREREQ if defined.
841         Enable on Solaris since Solaris 8 patch.
842         (gcc_SUN_LD_VERSION): New macro.
843         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
844         gcc_SUN_LD_VERSION for version number format.
845         * configure: Regenerate.
846         * varasm.c (get_elf_initfini_array_priority_section): Set
847         SECTION_NOTYPE for non-default priority.
848         Use get_section instead of get_unnamed_section to emit
849         .init_array/.fini_array with default priority.
850
851 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
852
853         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
854         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
855         (mips_start_unique_function, mips_output_mips16_rdhwr)
856         (mips_code_end): New functions.
857         (TARGET_ASM_CODE_END): Define.
858
859 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
860
861         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
862         to stubs with non-sibling calls.
863
864 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
865
866         * doc/invoke.texi (-fira-* options): Copy-edit.
867         (ira-* parameters): Copy-edit.
868
869 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
870
871         * doc/invoke.texi: Minor copy-edits to bring into conformance with
872         GCC coding conventions.
873
874 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
875
876         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
877         when used as adjectives.
878
879 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
880
881         * doc/invoke.texi: Clean up "that"/"which" confusion.
882
883 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
884
885         * system.h: Poison SMALL_REGISTER_CLASSES
886         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
887         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
888
889 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
890
891         PR tree-optimization/52285
892         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
893         when deciding if a call is a tail call or tail recursion.
894
895 2012-02-16  Kai Tietz  <ktietz@redhat.com>
896
897         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
898         interger-constant displacement for UNSPEC_PCREL.
899
900 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
901
902         PR rtl-optimization/52208
903         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
904         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
905
906         PR tree-optimization/52255
907         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
908         loop->header has virtual PHI, but exit_e->dest doesn't, add
909         virtual PHI to exit_e->dest and adjust all uses after the loop.
910
911         PR debug/52260
912         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
913         children with clone_tree_hash, not after it.
914
915 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
916
917         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
918         extended identifiers.
919
920 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
921
922         PR middle-end/51929
923         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
924         a same_body_alias, also test whether e->callee isn't a former
925         or current clone of the decl this is a same body alias of.
926
927         PR translation/52264
928         * cgraphunit.c (verify_cgraph_node): Fix a typo.
929
930 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
931
932         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
933
934 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
935
936         PR target/52199
937         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
938         force_reg instead of copy_to_reg for better optimization.  Force
939         non-register or memory operands into a register.
940
941 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
942
943         * extend.texi: Reserve upper bits of memory model for future use.
944
945 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
946             Anatoly Sokolov <aesok@post.ru>
947             Eric Weddington <eric.weddington@atmel.com>
948
949         PR target/52261
950         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
951         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
952         Rewrite initializers for .macro.
953         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
954         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
955         atxmega32d4, atxmega32x1.
956         avrxmega4: atxmega64a3, atxmega64d3.
957         avrxmega5: atxmega64a1, atxmega64a1u.
958         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
959         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
960         avrxmega7: atxmega128a1, atxmega128a1u.
961         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
962         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
963         (struct base_arch_s): Rename reserved to xmega_p.
964         Rename reserved2 to have_rampd.
965         (AVR_XMEGA): New define.
966         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
967         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
968         * config/avr/predicates.md (io_address_operand): Take into
969         account SFR offset.
970         (low_io_address_operand): Ditto.
971         (high_io_address_operand): Ditto.
972         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
973         (enabled, movhi_sp_r): Use them.
974         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
975         cpp_define_formatted to built-in define __AVR_ARCH__.
976         (__AVR_XMEGA__): New built-in define.
977         (__AVR_HAVE_RAMPD__): New built-in define.
978         (__AVR_HAVE_RAMPX__): New built-in define.
979         (__AVR_HAVE_RAMPY__): New built-in define.
980         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
981
982         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
983         (avr_option_override): Initialize them.
984         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
985         (avr_init_expanders): Initialize them. No more block several calls.
986         (emit_push_sfr): New static function.
987         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
988         Handle AVR_XMEGA.
989         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
990         (avr_print_operand): Print addreeses as symbols for
991         RAMPX, RAMPY, RAMPD, CCP.
992         (output_movhi): Handle AVR_XMEGA when writing to SP.
993         (avr_out_movhi_mr_r_xmega): New static function.
994         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
995         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
996         __RAMPD__,  __CCP__ as needed.
997
998         * config/avr/multilib.h: Regenerate.
999         * config/avr/t-multilib: Regenerate.
1000         * config/avr/avr-tables.opt: Regenerate.
1001
1002 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1003
1004         PR tree-optimization/50561
1005         * graphite-flattening.c (lst_project_loop): Do not
1006         remove old scattering dimensions after flattening.
1007         (lst_do_flatten): Likewise.
1008
1009 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1010
1011         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1012         __builtin_avr_map8, __builtin_avr_map16.
1013         Document __builtin_avr_insert_bits.
1014
1015         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1016         (insert_bits): New insn.
1017         (adjust_len.map_bits): Rename to insert_bits.
1018         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1019         * avr-protos.h (avr_out_map_bits): Remove.
1020         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1021         * config/avr/constraints.md (Cxf,C0f): New.
1022         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1023         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1024         New built-in define __BUILTIN_AVR_INSERT_BITS.
1025         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1026         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1027         (avr_move_bits): Rewrite.
1028         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1029         functions.
1030         (avr_map_op_t): New typedef.
1031         (avr_map_op): New static variable.
1032         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1033         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1034         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1035         (bdesc_3arg, avr_expand_triop_builtin): New.
1036         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1037         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1038         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1039         (avr_map_equal_p, avr_map_sig_p): Remove.
1040         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1041         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1042         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1043         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1044         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1045         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1046
1047 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1048
1049         * config/c6x/c6x.md (reserve_cycles): New attribute.
1050         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1051         don't reserve functional units after the branch occurs.
1052
1053 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1054
1055         PR middle-end/52142
1056         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1057         functions into non-tm_pure functions.
1058
1059 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1060
1061         PR lto/52178
1062         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1063         (iterative_hash_canonical_type): Likewise.
1064         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1065         the dead edges.
1066
1067 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1068
1069         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1070         sched-group insn, it either remains alone or the entire list is pruned.
1071
1072 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1073
1074         * doc/install.texi (Prerequisites): Fix grammar.
1075         (Configuration): Likewise.
1076
1077 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1078
1079         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1080         MPC as part of GCC before describing configuring with --with-gmp etc.
1081         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1082         sources are present.
1083
1084 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1085
1086         PR debug/51950
1087         * dwarf2out.c (clone_tree_hash): New function.
1088         (copy_decls_walk): Use it instead of clone_tree.
1089
1090 2012-02-14  Richard Guenther  <rguenther@suse.de>
1091
1092         PR tree-optimization/52244
1093         PR tree-optimization/51528
1094         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1095         replacements for integral types.
1096
1097 2012-02-14  Walter Lee  <walt@tilera.com>
1098
1099         * config.gcc: Handle tilegx and tilepro.
1100         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1101         tilegx and tilepro.
1102         Add HAVE_AS_TLS check for tilegx and tilepro.
1103         * configure: Regenerate.
1104         * doc/contrib.texi: Add Mat Hostetter and self.
1105         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1106         Document instruction intrinsics and network accessing intrinsics.
1107         (TILEPro Built-in Functions): New node.  Document instruction
1108         intrinsics and network accessing intrinsics.
1109         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1110         (Specific, tilepro-*-linux*): Likewise.
1111         * doc/invoke.texi (TILE-Gx Options): New section.
1112         (TILEPro Options): New section.
1113         * doc/md.texi (TILE-Gx): New section.
1114         (TILEPro): New section.
1115         * common/config/tilegx/tilegx-common.c: New file.
1116         * common/config/tilepro/tilepro-common.c: New file.
1117         * config/tilegx/constraints.md: New file.
1118         * config/tilegx/linux.h: New file.
1119         * config/tilegx/mul-tables.c: New file.
1120         * config/tilegx/predicates.md: New file.
1121         * config/tilegx/sync.md: New file.
1122         * config/tilegx/t-tilegx: New file.
1123         * config/tilegx/tilegx-builtins.h: New file.
1124         * config/tilegx/tilegx-c.c: New file.
1125         * config/tilegx/tilegx-generic.md: New file.
1126         * config/tilegx/tilegx-modes.def: New file.
1127         * config/tilegx/tilegx-multiply.h: New file.
1128         * config/tilegx/tilegx-protos.h: New file.
1129         * config/tilegx/tilegx.c: New file.
1130         * config/tilegx/tilegx.h: New file.
1131         * config/tilegx/tilegx.md: New file.
1132         * config/tilegx/tilegx.opt: New file.
1133         * config/tilepro/constraints.md: New file.
1134         * config/tilepro/gen-mul-tables.cc: New file.
1135         * config/tilepro/linux.h: New file.
1136         * config/tilepro/mul-tables.c: New file.
1137         * config/tilepro/predicates.md: New file.
1138         * config/tilepro/t-tilepro: New file.
1139         * config/tilepro/tilepro-builtins.h: New file.
1140         * config/tilepro/tilepro-c.c: New file.
1141         * config/tilepro/tilepro-generic.md: New file.
1142         * config/tilepro/tilepro-modes.def: New file.
1143         * config/tilepro/tilepro-multiply.h: New file.
1144         * config/tilepro/tilepro-protos.h: New file.
1145         * config/tilepro/tilepro.c: New file.
1146         * config/tilepro/tilepro.h: New file.
1147         * config/tilepro/tilepro.md: New file.
1148         * config/tilepro/tilepro.opt: New file.
1149
1150 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1151
1152         PR tree-optimization/52210
1153         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1154         vect_model_simple_cost with two entry vect_def_type array instead
1155         of an address of dt.
1156
1157 2012-02-14  Richard Guenther  <rguenther@suse.de>
1158
1159         PR lto/52178
1160         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1161         Do not stream DECL_QUALIFIER.
1162         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1163         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1164         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1165
1166 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1167
1168         PR c/52181
1169         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1170         newdecl.
1171
1172 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1173
1174         PR bootstrap/52172
1175         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1176         * cselib.c (cselib_subst_to_values_from_insn): New function.
1177         * sched-deps.c (add_insn_mem_dependence,
1178         sched_analyze_1, sched_analyze_2): Use it.
1179
1180 2012-02-13  Jan Hubicka  <jh@suse.cz>
1181
1182         PR middle-end/52214
1183         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1184
1185 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1186
1187         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1188         (GTM_SELF_SPECS): Define if not already defined.
1189         (driver_self_specs): Add GTM_SELF_SPECS.
1190         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1191         (GTM_SELF_SPECS): Define.
1192         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1193         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1194
1195 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1196
1197         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1198         away if seen.
1199
1200         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1201
1202         PR middle-end/52230
1203         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1204         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1205
1206 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1207
1208         PR c/52190
1209         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1210
1211 2012-02-13  Richard Guenther  <rguenther@suse.de>
1212
1213         PR translation/52211
1214         * passes.c (enable_disable_pass): Fix typo.
1215
1216 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1217
1218         PR middle-end/52209
1219         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1220         XOR for reduce_bit_field if type is unsigned.
1221
1222 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1223
1224         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1225         disallow changes from SFmode to mode with different size in FP regs.
1226
1227 2012-02-12  Robert Millan  <rmh@gnu.org>
1228             Gerald Pfeifer <gerald@pfeifer.com>
1229
1230         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1231         Tweak comment.
1232
1233 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1234
1235         PR rtl-optimization/52175
1236         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1237         to frame-related instructions.
1238
1239 2012-02-10  Jason Merrill  <jason@redhat.com>
1240
1241         PR c++/51910
1242         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1243         (demangle_new_symbols): Fill it.
1244         (scan_linker_output): Walk it.
1245         (start_tweaking): Split out from scan_linker_output.
1246         (maybe_tweak): Update sym->chosen.
1247         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1248
1249 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1250
1251         PR debug/52132
1252         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1253
1254 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1255
1256         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1257         having the same mode as previous compare.
1258
1259 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1260
1261         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1262         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1263         (nonlocal_goto_internal): Likewise.
1264         (nonlocal_goto): Emit a use and an indirect jump directly.
1265
1266 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1267
1268         PR c/52190
1269         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1270         __atomic_{is,always}_lock_free.
1271
1272 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1273
1274         PR target/52146
1275         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1276         negative constant address for x32.
1277
1278 2012-02-10  Richard Henderson  <rth@redhat.com>
1279
1280         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1281         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1282         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1283
1284 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1285             Ira Rosen  <irar@il.ibm.com>
1286
1287         PR tree-optimization/50031
1288         * targhooks.c (default_builtin_vectorization_cost): Handle
1289         vec_promote_demote.
1290         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1291         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1292         all types of reduction and pattern statements.
1293         (vect_estimate_min_profitable_iters): Likewise.
1294         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1295         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1296         for explicit realigns.
1297         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1298         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1299         vec_promote_demote.
1300         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1301         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1302         vec_perm for VSX and handle vec_promote_demote.
1303
1304 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1305
1306         PR middle-end/52177
1307         * builtins.c (fold_builtin_atomic_always_lock_free,
1308         expand_builtin_atomic_always_lock_free,
1309         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1310         Return and/or test boolean_true_node/boolean_false_node instead of
1311         integer_one_node/integer_zero_node.
1312
1313 2012-02-10  Jan Hubicka  <jh@suse.cz>
1314
1315         PR middle-end/48600
1316         * predict.c (predict_paths_for_bb): Prevent looping.
1317         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1318
1319 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1320
1321         * config/arm/arm.c (output_move_double): In one case properly
1322         count number of instructions that will be emitted.
1323
1324 2012-02-10  Richard Guenther  <rguenther@suse.de>
1325
1326         PR translation/52193
1327         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1328
1329 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1330
1331         PR middle-end/52140
1332         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1333
1334 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1335
1336         PR debug/52165
1337         * var-tracking.c (emit_note_insn_var_location): If
1338         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1339         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1340         non-NOTE_DURING_CALL_P insn.
1341
1342 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1343
1344         PR middle-end/51867
1345         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1346
1347 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1348
1349         PR driver/48524
1350         * gcc.c (switch_matches) Support switches with separated form,
1351         -D and -U.
1352
1353 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1354
1355         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1356         (SP_ADDR): Ditto.
1357         (RAMPZ_ADDR): Ditto.
1358         * config/avr/avr.c (avr_addr_t): New typedef.
1359         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1360         (avr_init_expanders): Initialize it.
1361         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1362         SREG_ADDR.
1363         (expand_epilogue): Ditto.
1364         (avr_print_operand): Ditto.
1365         (avr_file_start): Ditto.
1366         (avr_emit_movmemhi): Ditto.
1367
1368 2012-02-08  Richard Guenther  <rguenther@suse.de>
1369
1370         PR tree-optimization/46886
1371         * tree-flow.h (do_while_loop_p): Declare.
1372         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1373         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1374
1375 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1376
1377         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1378         always succeed for integers larger than a native word.
1379
1380 2012-02-08  Richard Guenther  <rguenther@suse.de>
1381
1382         PR rtl-optimization/52170
1383         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1384         properly handle integer vector modes.
1385
1386 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1387
1388         PR gcov-profile/52150
1389         * coverage.c: Include target.h.
1390         (build_var): Call targetm.strip_name_encoding on the assembler name.
1391         Change one _ into . or $ if the target allows it.
1392         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1393
1394         PR rtl-optimization/52139
1395         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1396         is a BARRIER after emit_insn_after_noloc, move BB_END
1397         to the last non-BARRIER insn before it.
1398
1399 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1400
1401         PR middle-end/24306
1402         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1403         (mips_gimplify_va_arg_expr): Call it instead of
1404         std_gimplify_va_arg_expr.
1405
1406 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1407
1408         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1409         message for -mno-pointers-to-nested-function.
1410
1411 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1412
1413         PR middle-end/51994
1414         * expr.c (get_inner_reference): If there is an offset, add a negative
1415         bit position to it (if any).
1416
1417 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1418
1419         PR rtl-optimization/52060
1420         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1421         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1422         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1423         and/or i0src_copy2 when needed.
1424
1425 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1426
1427         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1428         or LTOPLUGINSONAME if have_c.
1429
1430         * config/freebsd-spec.h: Add comment about what macros can be defined
1431         in this header.
1432         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1433         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1434         here instead.
1435
1436 2012-02-07  Richard Guenther  <rguenther@suse.de>
1437
1438         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1439         newline in -alias dumps.
1440
1441 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1442             Dave Korn  <dave.korn.cygwin@gmail.com>
1443
1444         PR target/40068
1445         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1446         Take care that typinfo gets dllexport-attribute.
1447
1448 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1449
1450         PR middle-end/52074
1451         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1452         if modifier < EXPAND_SUM call force_operand on the result.
1453
1454 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1455
1456         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1457         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1458         present.
1459         (epiphany_function_type): Replace types for specific interrupts with
1460         EPIPHANY_FUNCTION_INTERRUPT.
1461         (EPIPHANY_INTERRUPT_P): Update.
1462         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1463         New static function.
1464         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1465         <disinterrupt>: Affects type identity.
1466         (epiphany_handle_interrupt_attribute): Handle variable number of
1467         arguments.
1468         (epiphany_compute_function_type): Update for new
1469         epiphany_function_type definition.
1470         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1471         handlers with a longcall forwarder.
1472         (epiphany_start_function): Handle multiple interrupt arguments and/or
1473         forwarder_section attribute.
1474
1475         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1476         libgloss.
1477
1478 2012-02-07  Alan Modra  <amodra@gmail.com>
1479
1480         PR target/52107
1481         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1482         subregs of TFmode.
1483
1484 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1485
1486         PR tree-optimization/50969
1487         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1488         use vec_perm rather than vector_stmt.
1489         (vect_model_load_cost): Likewise.
1490         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1491         vec_perm to be the same as other vector statements.
1492         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1493         cost of vec_perm for TARGET_VSX.
1494
1495 2012-02-06  Richard Guenther  <rguenther@suse.de>
1496
1497         PR tree-optimization/52115
1498         * tree-sra.c (access_has_replacements_p): New function.
1499         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1500
1501 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1502
1503         PR middle-end/52047
1504         * trans-mem.c (expand_call_tm): Add an assertion.
1505         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1506         functions.
1507
1508 2012-02-06  Richard Guenther  <rguenther@suse.de>
1509
1510         PR tree-optimization/50955
1511         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1512         raise cost of expressions that replace an address with an
1513         expression based on a different pointer.
1514
1515 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1516
1517         PR target/52129
1518         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1519         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1520
1521 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1522
1523         PR c++/48680
1524         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1525         -Weffc++ and specify guidelines come from second edition.
1526
1527 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1528
1529         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1530         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1531         (call_direct_split, call_value_split, call_value_internal_direct)
1532         (call_value_direct_split, call_value_multiple_split): Use jal and
1533         jal_macro attributes.
1534
1535 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1536
1537         * reload1.c (reload_regs_reach_end_p): Replace with...
1538         (reload_reg_rtx_reaches_end_p): ...this function.
1539         (new_spill_reg_store): Update commentary.
1540         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1541         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1542         before setting new_spill_reg_store.
1543         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1544         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1545         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1546         for non-spill reload registers.
1547
1548 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1549
1550         PR tree-optimization/52091
1551         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1552         (vect_is_simple_use_1): Likewise.
1553         * tree-vect-loop.c (vectorizable_reduction): Update calls
1554         to vect_is_simple_use_1 and vect_is_simple_use.
1555         (vectorizable_live_operation): Likewise.
1556         * tree-vect-patterns.c (widened_name_p,
1557         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1558         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1559         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1560         vectorizable_shift,vectorizable_operation, vectorizable_store,
1561         vectorizable_load): Likewise.
1562         (vect_is_simple_cond): Add an argument, pass it to
1563         vect_is_simple_use_1.
1564         (vectorizable_condition): Update calls to vect_is_simple_cond,
1565         vect_is_simple_use.
1566         (vect_is_simple_use): Add an argument, the statement in which
1567         OPERAND is used.  Check that if OPERAND's def stmt is a double
1568         reduction phi node, the use is a phi node too.
1569         (vect_is_simple_use_1): Add an argument, pass it to
1570         vect_is_simple_use.
1571         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1572         to vect_is_simple_use.
1573
1574 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR rtl-optimization/52095
1577         * modulo-sched.c (dump_insn_locator): New function.
1578         (loop_canon_p, sms_schedule): Use it.
1579
1580         PR rtl-optimization/52113
1581         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1582         even for decomposable shift/zext insns.
1583
1584 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1585             Zdenek Dvorak  <ook@ucw.cz>
1586
1587         PR rtl-optimization/52092
1588         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1589         on get_iv_value result.
1590
1591 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1592
1593         PR middle-end/47982
1594         PR middle-end/43967
1595         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1596
1597 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1598
1599         PR middle-end/48071
1600         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1601
1602 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1603
1604         PR rtl-optimization/49800
1605         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1606         (sched_finish): Call regstat_free_n_sets_and_refs.
1607
1608 2012-02-02  Jia Liu  <proljc@gmail.com>
1609
1610         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1611         than operand 2.
1612
1613 2012-02-02  Jan Hubicka  <jh@suse.cz>
1614             Tom de Vries  <tom@codesourcery.com>
1615
1616         PR middle-end/51998
1617         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1618         * varpool.c (varpool_analyze_pending_decls): Likewise.
1619
1620 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1621             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1622
1623         * config.gcc: Add cr16-* support.
1624
1625         * doc/extend.texi: Document cr16 extensions.
1626         * doc/install.texi: Document cr16 install.
1627         * doc/invoke.texi: Document cr16 options.
1628         * doc/md.texi: Document cr16 constraints.
1629
1630         * common/config/cr16/cr16-common.c: New file.
1631         * config/cr16/cr16.c: New file.
1632         * config/cr16/cr16.h: New file.
1633         * config/cr16/cr16.md: New file.
1634         * config/cr16/cr16.opt: New file.
1635         * config/cr16/cr16-protos.h: New file.
1636         * config/cr16/predicates.md: New file.
1637         * config/cr16/constraints.md: New file.
1638         * config/cr16/t-cr16: New file.
1639
1640 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1641
1642         PR target/52086
1643         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1644         that operands[2] is either immediate, or q_regs_operand.
1645
1646         PR tree-optimization/52073
1647         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1648         a pattern stmt for pattern uses, ignore uses outside of the loop.
1649
1650 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1651
1652         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1653         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1654         (OUT_AS1, OUT_AS2): Remove.
1655
1656 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1657
1658         PR rtl-optimization/51374
1659         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1660         to cross other volatile_refs_p insns.
1661
1662 2012-02-01  Richard Guenther  <rguenther@suse.de>
1663
1664         * doc/invoke.texi (fno-inline): Clarify documentation.
1665         (finline-small-functions): Likewise.
1666         (finline-functions): Likewise.
1667         * common.opt (finline): Adjust comment and documentation.
1668         (finline-small-functions): Clarify documentation.
1669         (finline-functions): Likewise.
1670         (finline-functions-called-once): Likewise.
1671
1672 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1673
1674         * c-typeck.c (composite_type): Keep mode for pointers.
1675
1676 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1677
1678         * function.h (regno_reg_rtx): Adjust comment.
1679         * reginfo.c (init_reg_modes_target): Only use the previous mode
1680         if it fits within one register.  Remove MIPS comment.
1681
1682 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1683
1684         PR bootstrap/52058
1685         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1686
1687 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1688
1689         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1690         to srak instruction.
1691
1692 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1693
1694         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1695
1696 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1697
1698         PR bootstrap/52041
1699         PR bootstrap/52039
1700         PR target/51974
1701         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1702
1703 2012-01-31  Richard Guenther  <rguenther@suse.de>
1704
1705         PR tree-optimization/51528
1706         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1707         assigns.
1708
1709 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1710
1711         PR bootstrap/52041
1712         PR bootstrap/52039
1713         PR target/51974
1714         * ree.c (add_removable_extension): Change def_map argument
1715         to unsigned *, store in def_map 1 + offset into *insn_list vector
1716         instead of pointers into the vector.
1717         (find_removable_extensions): Adjust caller.
1718
1719 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1720
1721         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1722         Transform all "* quoted-c-code" to { c-code }.
1723         Remove redundant test for "optimize" in combine patterns.
1724         Move (include "avr-dimode.md") to end of file.
1725
1726 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1727
1728         PR target/51835
1729         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1730         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1731
1732 2012-01-30  Richard Guenther  <rguenther@suse.de>
1733
1734         PR tree-optimization/52028
1735         * tree-loop-distribution.c (ldist_gen): Properly update
1736         virtual SSA form.
1737
1738 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR debug/52027
1741         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1742         set_cur_line_info_table if not emitting debug info.
1743
1744         PR tree-optimization/52046
1745         * tree-vect-patterns.c (check_bool_pattern): Give up if
1746         a comparison could throw.
1747
1748         PR debug/52048
1749         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1750
1751 2012-01-30  Richard Guenther  <rguenther@suse.de>
1752
1753         PR tree-optimization/52045
1754         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1755         SSA form if cfgcleanup did anything.
1756
1757 2012-01-30  Richard Guenther  <rguenther@suse.de>
1758
1759         PR tree-optimization/52045
1760         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1761         before computing final todo.
1762
1763 2012-01-30  Richard Guenther  <rguenther@suse.de>
1764
1765         PR tree-optimization/51528
1766         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1767         for PR51528 fix.
1768
1769 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1770
1771         * df-problems.c (df_kill_notes): Check that the use refers
1772         to the note under examination.
1773
1774 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1775
1776         PR target/51920
1777         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1778         parameter and use short-lived pseudos.
1779         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1780         (sparc_expand_vector_init): Const-ify local variables and adjust
1781         calls to above functions.
1782
1783 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1784
1785         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1786
1787 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1788
1789         * doc/invoke.texi: Make usage of "compile time" and
1790         "run time"/"runtime" consistent throughout the file.
1791
1792 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1793
1794         * config/alpha/alpha.c (alpha_option_override): Default to
1795         full IEEE compliance mode for Go language.
1796
1797 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1798
1799         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1800         (LINK_SSP_SPEC): Define.
1801
1802 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1803
1804         PR target/51871
1805         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1806         stubs.
1807
1808 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1809
1810         * doc/invoke.texi: Correct hyphenation of "floating point",
1811         "double precision", and related terminology throughout the file.
1812
1813 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1814
1815         PR target/52006
1816         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1817         arm_general_register_operand predicate for operand 2 instead of
1818         register_operand.
1819
1820 2012-01-27  Ian Lance Taylor  <iant@google.com>
1821
1822         PR go/47656
1823         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1824         * builtins.c (expand_builtin_init_trampoline): Add onstack
1825         parameter.  Change caller.
1826         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1827         * tree.c (build_common_builtin_nodes): Declare
1828         __builtin_init_heap_trampoline.
1829
1830 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1831
1832         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1833         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1834         * config/avr/avr.c: Ditto.
1835         (avr_regnames): Remove because unused.
1836         * config/avr/avr.md (*cpse.ne): New peephole.
1837         (*cpse.eq): New peephole from former cpse peepholes.
1838
1839 2012-01-27  Michael Eager  <eager@eagercon.com>
1840
1841         * config/microblaze.c (microblaze_emit_compare): Correct
1842         test after pcmp instruction.
1843
1844 2012-01-27  Richard Guenther  <rguenther@suse.de>
1845
1846         PR tree-optimization/52020
1847         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1848
1849 2012-01-27  Richard Guenther  <rguenther@suse.de>
1850
1851         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1852         function non-const/pure.
1853
1854 2012-01-27  Richard Guenther  <rguenther@suse.de>
1855
1856         PR tree-optimization/50444
1857         * tree-sra.c (build_ref_for_offset): Properly adjust the
1858         MEM_REF type for unaligned accesses.
1859
1860 2012-01-27  Richard Guenther  <rguenther@suse.de>
1861
1862         PR tree-optimization/50444
1863         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1864         (expand_assignment): Use it.  Properly handle misaligned
1865         bases when expanding stores to component references.
1866         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1867         refactor that case.
1868
1869 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1870
1871         PR middle-end/51389
1872         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1873         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1874         * tree-data-ref.c (find_data_references_in_loop): Make static.
1875         (compute_all_dependences): Change return type to bool.  Bail out
1876         for too many datarefs in a loop.  Move the hunk resetting the data
1877         dependences vector from ...
1878         (compute_data_dependences_for_loop): ... here.  Account for
1879         compute_all_dependences returning false.
1880         (compute_data_dependences_for_bb): Likewise.
1881         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1882         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1883
1884 2012-01-27  Richard Guenther  <rguenther@suse.de>
1885
1886         PR middle-end/51959
1887         * expr.c (store_field): Use the alias-set of the scratch memory
1888         for storing to it.
1889
1890 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1891
1892         PR tree-optimization/51990
1893         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1894         WITH_SIZE_EXPR.
1895         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1896
1897 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1898
1899         PR debug/52001
1900         * var-tracking.c (reverse_op): Don't add any reverse operation
1901         if V already has any constant locations.
1902
1903 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1904
1905         * doc/invoke.texi: Correct usage of "command line" (noun)
1906         vs "command-line" (adjective) throughout.
1907
1908 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1909
1910         * doc/invoke.texi (Language Independent Options): Move
1911         -Wcoverage-mismatch blurb from here....
1912         (Warning Options): ...to here.
1913
1914 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1915
1916         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1917         Set rs6000_always_hint to false for 476.
1918
1919 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1920
1921         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1922           system root.
1923         * incpath.c (add_standard_paths): Likewise.
1924
1925 2012-01-27  Richard Henderson  <rth@redhat.com>
1926
1927         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1928         * config/m68k/sync.md (atomic_test_and_set): Rename from
1929         sync_test_and_setqi and adjust the operands.
1930         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1931         and unconditionally enable.
1932
1933 2012-01-27  Richard Henderson  <rth@redhat.com>
1934
1935         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1936         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1937         (ldstub): Rename from ldstubqi.
1938         (ldstub<I24MODE>): Remove.
1939
1940 2012-01-27  Richard Henderson  <rth@redhat.com>
1941
1942         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1943         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1944         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1945         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1946         * doc/tm.texi: Rebuild.
1947
1948 2012-01-27  Richard Henderson  <rth@redhat.com>
1949
1950         * optabs.c (gen_atomic_test_and_set): Remove default.
1951         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1952
1953 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1954
1955         PR rtl-optimization/51978
1956         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1957         (combine_reaching_defs): Likewise.
1958         (struct re_info): Remove.
1959         (add_removable_extension): Remove x and data arguments,
1960         add insn, insn_list and def_map.  Use the arguments directly
1961         instead of using struct re_info.
1962         (find_removable_extensions): Don't call add_removable_extension
1963         through note_stores, instead just call it with single_set
1964         result if non-NULL.
1965         (find_and_remove_re): Pass curr_cand->expr instead of
1966         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1967
1968 2012-01-26  Michael Matz  <matz@suse.de>
1969
1970         PR tree-optimization/46590
1971         * cfgexpand.c: Revert last change (r183305).
1972         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1973         regs.
1974         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1975         checking for emptiness.
1976
1977 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1978
1979         PR middle-end/51895
1980         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1981         non-addressable non-BLKmode base correctly.
1982
1983 2012-01-26  Michael Matz  <matz@suse.de>
1984
1985         PR tree-optimization/48794
1986         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1987         regions referenced from RESX/EH_DISPATCH.
1988
1989 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1990
1991         * config/s390/s390.h: Make BRANCH_COST an option.
1992         * config/s390/s390.opt: New option -mbranch-cost.
1993
1994 2012-01-26  Richard Henderson  <rth@redhat.com>
1995
1996         Revert 2012-01-24 change:
1997         * trans-mem.c (requires_barrier): Do not instrument thread local
1998         variables and emit save/restore for them.
1999
2000 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2001
2002         PR middle-end/51986
2003         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2004         for pat == 0.
2005
2006 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2007
2008         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2009         ASM_OPERANDS.
2010
2011 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2012
2013         PR target/49868
2014         Rename __pgm to __flash.
2015         Rename __pgm1 to __flash1.
2016         Rename __pgm2 to __flash2.
2017         Rename __pgm3 to __flash3.
2018         Rename __pgm4 to __flash4.
2019         Rename __pgm5 to __flash5.
2020         Rename __pgmx to __memx.
2021         * doc/extend.texi (AVR Named Address Spaces)
2022         Rename address space names as indicated above.
2023         * config/avr/avr.c (avr_addrspace): Ditto.
2024
2025         * config/avr/avr-protos.h
2026         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2027         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2028         * config/avr/predicates.md: Ditto.
2029         * config/avr/avr.c Ditto, and
2030         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2031         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2032
2033         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2034         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2035         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2036         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2037         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2038         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2039         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2040         * config/avr/avr.c: Ditto.
2041         * config/avr/avr.md: Ditto.
2042
2043 2012-01-25  Jason Merrill  <jason@redhat.com>
2044
2045         PR c++/51992
2046         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2047
2048 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR tree-optimization/51987
2051         * tree-data-ref.c (get_references_in_stmt): Handle references in
2052         non-volatile GIMPLE_ASM.
2053
2054 2012-01-25  Richard Guenther  <rguenther@suse.de>
2055
2056         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2057         bases are dereferenced.
2058
2059 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2060
2061         PR rtl-optimization/48374
2062         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2063
2064 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2065
2066         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2067         compute_data_dependences_for_loop returns false.
2068         * tree-parloops.c (loop_parallel_p): Likewise.
2069
2070 2012-01-25  Richard Guenther  <rguenther@suse.de>
2071
2072         * tree.h (get_pointer_alignment_1): Declare.
2073         * builtins.c (get_pointer_alignment_1): New function.
2074         (get_pointer_alignment): Use it.
2075
2076 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2077
2078         PR rtl-optimization/48308
2079         * combine.c (enum undo_kind): Add UNDO_LINKS.
2080         (struct undo): Add member l to other_contents and where.
2081         (do_SUBST_LINK): New.
2082         (SUBST_LINK): New.
2083         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2084         (undo_all): Handle UNDO_LINKS.
2085
2086 2012-01-25  Richard Henderson  <rth@redhat.com>
2087
2088         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2089         mem inputs.
2090
2091 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2092
2093         * optabs.c (gen_atomic_test_and_set): Use each argument.
2094
2095 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2096
2097         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2098         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2099         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2100         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2101         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2102         TARGET_PAIRED_SINGLE_FLOAT.
2103
2104 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2105
2106         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2107         (in_struct, return_val): Remove MEM documentation.
2108         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2109         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2110         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2111         and MEM_SCALAR.
2112         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2113         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2114         * expr.c (store_field): Likewise.
2115         * function.c (assign_stack_temp_for_type): Likewise.
2116         * ifcvt.c (noce_try_cmove_arith): Likewise.
2117         * reload1.c (reload): Likewise.
2118         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2119         (alpha_set_memflags): Likewise.
2120         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2121
2122 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2123
2124         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2125         parameter.
2126         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2127         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2128         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2129         varies parameter.
2130         * cselib.c (cselib_rtx_varies_p): Delete.
2131         (cselib_invalidate_mem): Update call to canon_true_dependence.
2132         * dse.c (record_store, check_mem_read_rtx): Likewise.
2133         (scan_reads_nospill): Likewise.
2134         * cse.c (check_dependence): Likewise.
2135         (cse_rtx_varies_p): Delete.
2136         * expr.c (safe_from_p): Update call to true_dependence.
2137         * ira.c (validate_equiv_mem_from_store): Likewise.
2138         (memref_referenced_p): Likewise.
2139         * postreload-gcse.c (find_mem_conflicts): Likewise.
2140         * sched-deps.c (sched_analyze_2): Likewise.
2141         * store-motion.c (load_kills_store): Likewise.
2142         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2143         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2144         (compute_transp): Update call to canon_true_dependence.
2145
2146 2012-01-25  Richard Henderson  <rth@redhat.com>
2147
2148         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2149         (maybe_emit_atomic_test_and_set): New.
2150         (expand_sync_lock_test_and_set): Use it.
2151         (expand_atomic_test_and_set): Likewise.
2152         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2153         the implementation; clarify implementation defined details.
2154         * doc/md.texi (atomic_test_and_set): Document.
2155
2156 2012-01-25  Richard Henderson  <rth@redhat.com>
2157
2158         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2159
2160 2012-01-25  Richard Henderson  <rth@redhat.com>
2161
2162         PR target/51968
2163         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2164         to effect no-op split.
2165
2166 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2167
2168         PR lto/51698
2169         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2170         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2171         (BT_FN_VOID_PTR_INT_SIZE): New.
2172         (BT_FN_UINT_UINT_VAR): Remove.
2173         (BT_FN_UINT32_UINT32_VAR): New.
2174         (BT_FN_DOUBLE_VPTR): Remove.
2175         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2176
2177         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2178         (_ITM_changeTransactionMode): Same.
2179         (_ITM_memmoveRtWt): Change return type to void.
2180         (_ITM_memcpyRtWt): Same.
2181         (_ITM_memsetW): Same.
2182         (_ITM_RaRD): Change types to double.
2183         (_ITM_RD): Same.
2184         (_ITM_RaWD): Same.
2185         (_ITM_RfWD): Same.
2186
2187         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2188
2189 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2190             Patrick Marlier  <patrick.marlier@gmail.com>
2191
2192         * trans-mem.c (requires_barrier): Do not instrument thread local
2193         variables and emit save/restore for them.
2194
2195 2012-01-24  Jason Merrill  <jason@redhat.com>
2196
2197         PR c++/51812
2198         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2199         output static aliases.
2200
2201 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR driver/47249
2204         * common.opt (-pie, -shared, pie, shared): Change from Common to
2205         Driver.
2206         * gcc.c (display_help): Display help for -pie and -shared.
2207
2208 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2209
2210         PR target/49868
2211         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2212         Remove note on size/offset limitation.
2213         (AVR Variable Attributes): Add example how to read data located
2214         with progmem.  Refer to named address spaces.
2215         * doc/invoke.texi (AVR Options): Fix typo.
2216
2217 2012-01-24  Richard Guenther  <rguenther@suse.de>
2218
2219         Forward-port to trunk
2220         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2221
2222         PR middle-end/45678
2223         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2224         op0 isn't sufficiently aligned and there is movmisalignM
2225         insn for mode, use it to load op0 into a temporary register.
2226
2227 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2228
2229         PR target/51957
2230         * target.def (const_not_ok_for_debug_p): New hook.
2231         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2232         documentation.
2233         * doc/tm.texi: Regenerated.
2234         * dwarf2out.c (const_ok_for_output_1): If
2235         targetm.const_not_ok_for_debug_p returns true, fail.
2236         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2237         function.
2238         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2239
2240 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2241
2242         PR target/51900
2243         * config/i386/predicates.md (symbolic_operand): Allow
2244         UNSPEC_PCREL as PIC expression for lea.
2245         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2246         * config/i386/i386.c (ix86_delegitimize_address): Handle
2247         UNSPEC_PCREL for none-MEM, too.
2248
2249 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2250
2251         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2252         (ipa_tm_create_version_alias): Same.
2253
2254 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2255
2256         PR libitm/51830
2257         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2258         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2259
2260 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2261             Patrick Marlier  <patrick.marlier@gmail.com>
2262             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2263
2264         PR lto/51916
2265         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2266         simple_object_start_read.
2267
2268 2012-01-23  Richard Guenther  <rguenther@suse.de>
2269
2270
2271         PR tree-optimization/51895
2272         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2273         parameter decomposition into BLKmode components.
2274
2275 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2276
2277         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2278         fake variables for restrict-qualified pointers whose pointed-to type
2279         contains a placeholder.
2280
2281 2012-01-23  Richard Guenther  <rguenther@suse.de>
2282
2283         PR tree-optimization/51949
2284         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2285
2286 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2287
2288         PR rtl-optimization/51933
2289         * ree.c (transform_ifelse): Return true right away if dstreg is
2290         already wider or equal to cand->mode.
2291         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2292         (make_defs_and_copies_lists): Remove defs_list and copies_list
2293         arguments, add state argument, just truncate state->work_list
2294         instead of always allocating and freeing the vector.  Assert that
2295         get_defs succeeds instead of returning 2.  Changed return type to bool.
2296         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2297         have ext_src_mode, see if it has been modified already with the
2298         right kind of extension and has been extended before from the
2299         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2300         just return true.  Remember the original mode in state->modified array.
2301         (combine_reaching_defs): Add state argument.  Don't allocate and
2302         free here def_list, copied_list and vec vectors, instead just
2303         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2304         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2305         Add state variable, clear vectors in it, initialize state.modified
2306         if needed.  Free all the vectors at the end and state.modified too.
2307         Don't skip a candidate if the extension expression has been modified.
2308
2309 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2310
2311         PR target/47096
2312         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2313          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2314         (extra_options) interix.opt -> i386/interix.opt"
2315         (extra_objs):Add winnt-stubs.o
2316         * configure.ac: Add interix to target_os .comm on PE check.
2317         * configure: Regenerate.
2318         * config/interix3.h: Delete and move bits to..
2319         * config/interix.h: Delete and move bits to..
2320         * config/i386/i386-interix3.h: Delete and move bits to..
2321         * config/i386/i386-interix.h: ..here.
2322         (TARGET_CPU_DEFAULT): Remove redefinition.
2323         (TARGET_ASM_CONSTRUCTOR): Undefine.
2324         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2325         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2326         (PTRDIFF_TYPE): Define.
2327         (LONG_DOUBLE_TYPE_SIZE): Define.
2328         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2329         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2330         (TARGET_SECTION_TYPE_FLAGS): Define.
2331         (ASM_DECLARE_FUNCTION_NAME): Define.
2332         (ASM_OUTPUT_EXTERNAL): Define.
2333         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2334         (ASM_OUTPUT_ALIGNED_BSS): Define.
2335         (PCC_BITFIELD_TYPE_MATTERS): Define.
2336         (USE_CONST_SECTION): Define.
2337         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2338         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2339         (SUPPORTS_ONE_ONLY): Remove.
2340         (I386_PE_STRIP_ENCODING): Define.
2341         * config/interix.opt: Delete and move bits to..
2342         * config/i386/interix.opt: ..here. New.
2343         (mpe-aligned-commons): Add.
2344         * config/i386/t-interix: Add copyright header.
2345         (winnt-stubs.o): Add rule.
2346
2347 2012-01-22  Jason Merrill  <jason@redhat.com>
2348
2349         PR c++/51832
2350         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2351         for extra name aliases.
2352
2353 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2354
2355         PR rtl-optimization/51924
2356         * ree.c (combine_set_extension): Improve debugging message.
2357         (combine_reaching_defs): Likewise.
2358         (get_defs): Rename confusingly named variable.
2359         (find_and_remove_re): Skip a candidate if the extension expression has
2360         been modified.
2361
2362 2012-01-21  Robert Millan  <rmh@gnu.org>
2363             Gerald Pfeifer  <gerald@pfeifer.com>
2364
2365         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2366         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2367
2368 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2369
2370         PR tree-optimization/51914
2371         * tree-vect-stmts.c (vectorizable_conversion): For
2372         cvt_type && modifier == WIDEN, put temporary with cvt_type
2373         at the beginning of vec_dsts and set vec_dest to temporary
2374         with vectype_out.
2375
2376 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2377
2378         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2379
2380 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2381
2382         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2383         * config/rs6000/rs6000.c: Likewise.
2384
2385 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2386
2387         PR target/51915
2388         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2389         output_move_double on a copy of operands array.
2390
2391 2012-01-20  Cary Coutant  <ccoutant@google.com>
2392             Dodji Seketeli  <dodji@redhat.com>
2393
2394         PR debug/45682
2395         * dwarf2out.c (copy_declaration_context): Return ref to parent
2396         of declaration DIE, if necessary.
2397         (remove_child_or_replace_with_skeleton): Add new parameter; update
2398         caller.  Place skeleton DIE under parent DIE of original declaration.
2399         Move call to copy_declaration_context to here ...
2400         (break_out_comdat_types): ... from here.
2401
2402 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2403
2404         PR rtl-optimization/51856
2405         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2406         flag to reloaded.
2407
2408 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2409
2410         PR target/51819
2411         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2412         hints for neon loads and stores.
2413
2414 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2415
2416         PR target/49868
2417         PR target/50887
2418         * doc/extend.texi (Named Address Spaces): Split into subsections.
2419         (AVR Named Address Spaces): New subsection.
2420         (M32C Named Address Spaces): New subsection.
2421         (RL78 Named Address Spaces): New subsection.
2422         (SPU Named Address Spaces): New subsection.
2423         (Variable Attributes): New anchor "AVR Variable Attributes".
2424         (AVR Variable Attributes): Rewrite and avoid wording
2425         "address space" in this context.
2426         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2427         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2428         (AVR Built-in Macros): New subsubsection therein.
2429         * doc/md.texi (AVR constraints): Remove "C04", "R".
2430
2431 2012-01-20  Richard Guenther  <rguenther@suse.de>
2432
2433         PR tree-optimization/51903
2434         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2435         when removing stmts.
2436
2437 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2438
2439         PR target/50313
2440         * config/arm/arm.c (arm_load_pic_register): Use
2441         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2442         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2443         (arm_pic_static_addr): Likewise.
2444         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2445         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2446         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2447         (pic_load_addr_unified): New.
2448
2449 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2450
2451         PR target/51106
2452         * function.c (instantiate_virtual_regs_in_insn): Use
2453         delete_insn_and_edges when removing a wrong asm insn.
2454
2455 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2456
2457         PR rtl-optimization/40761
2458         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2459         Add new member loop_num.
2460         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2461         (ira_build): Remove the parameter.
2462
2463         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2464         (ira.c): Do not build CFG loops for one region allocation.  Remove
2465         argument from ira_build call.
2466
2467         * ira-build.c (init_loop_tree_node): New function.
2468         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2469         loops are not built.
2470         (more_one_region_p): Check current_loops.
2471         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2472         built.
2473         (add_loop_to_tree): Process loop equal to NULL too.
2474         (form_loop_tree): Separate the case when CFG loops are not built.
2475         Use explicitly number for the root.
2476         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2477         an assertion.
2478         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2479         instead of loop->num.
2480         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2481         (mark_all_loops_for_removal): Ditto.
2482         (remove_unnecessary_regions): Separate the case when CFG loops
2483         are not built.
2484         (ira_build): Remove the parameter.  Use explicit number of regions
2485         when CFG loops are not built.
2486
2487         * ira-color.c (print_loop_title): Separate the case for the root node.
2488         Use loop_num instead of loop->num.
2489         (move_spill_restore): Use loop_num instead of loop->num.
2490
2491         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2492         (change_loop): Ditto.
2493         (change_loop): Use loop_num instead of loop->num.
2494
2495         * ira-lives.c (process_bb_node_lives): Ditto.
2496
2497         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2498
2499         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2500
2501 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2502
2503         PR libmudflap/40778
2504         * tree-mudflap.c (mf_artificial): New function.
2505         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2506         mx_register_decls, mudflap_enqueue_decl): Use it.
2507
2508         PR target/51876
2509         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2510         numbers in the insn pattern.
2511
2512 2012-01-19  Michael Matz  <matz@suse.de>
2513
2514         PR tree-optimization/46590
2515         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2516         use it in remembering which conflicts we already created.
2517         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2518         bitmap.
2519
2520 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2521
2522         PR lto/51280
2523         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2524         (merge_and_complain): Same.
2525
2526 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2527
2528         PR bootstrap/50237
2529         * config/initfini-array.h: Guard content of the header
2530         with #ifdef HAVE_INITFINI_ARRAY.
2531         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2532         Add initfini-array.h to tm_file here.
2533         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2534         * config.gcc: Don't add initfini-array.h to tm_file here.
2535         * configure: Regenerated.
2536
2537 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2538
2539         PR rtl-optimization/51505
2540         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2541         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2542         (df_note_bb_compute): Update the call to df_kill_notes.
2543
2544 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2545
2546         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2547
2548 2012-01-18  Richard Guenther  <rguenther@suse.de>
2549
2550         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2551         of conversions to void *.
2552
2553 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2554             Richard Sandiford  <rdsandiford@googlemail.com>
2555
2556         PR middle-end/50325
2557         PR middle-end/51192
2558         * optabs.h (simplify_expand_binop): Declare.
2559         * optabs.c (simplify_expand_binop): Make global.
2560         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2561         endian targets if the source cannot be exactly covered by word
2562         mode chunks.
2563
2564 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2565
2566         PR bootstrap/51872
2567         * hard-reg-set.h (struct hard_reg_set_container): New type.
2568         * target.h (struct hard_reg_set_container): Forward declare.
2569         * target.def (set_up_by_prologue): New target hook.
2570         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2571         * doc/tm.texi: Regenerated.
2572         * function.c (thread_prologue_and_epilogue_insns): Change
2573         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2574         Call targetm.set_up_by_prologue on it.
2575         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2576         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2577
2578 2012-01-17  Nick Clifton  <nickc@redhat.com>
2579
2580         * config/rx/rx.c (rx_can_use_simple_return): New function.
2581         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2582         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2583
2584 2012-01-17  Richard Guenther  <rguenther@suse.de>
2585
2586         PR middle-end/51782
2587         * expr.c (expand_assignment): Take address-space information
2588         from the address operand of MEM_REF and TARGET_MEM_REF.
2589         (expand_expr_real_1): Likewise.
2590
2591 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2592
2593         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2594         reload dump is requested.
2595
2596 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2597
2598         PR other/51165
2599         * trans-mem.c (requires_barrier): Call may_be_aliased.
2600
2601 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2602
2603         PR tree-optimization/51877
2604         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2605         call arguments and fndecls compare equal, instead return false if they
2606         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2607         both SSA_NAMEs that are valueized the same, or they satisfy
2608         operand_equal_p.
2609
2610 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2611
2612         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2613         Solaris 11+.
2614         * configure: Regenerate.
2615
2616 2012-01-16  Jan Hubicka  <jh@suse.cz>
2617
2618         PR c/12245
2619         PR c++/14179
2620         * convert.c (convert_to_integer): Use fold_convert for
2621         converting an INTEGER_CST to integer type.
2622
2623 2012-01-16  Jason Merrill  <jason@redhat.com>
2624
2625         PR c++/14179
2626         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2627
2628 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2629
2630         PR bootstrap/51860
2631         * config/s390/s390.c (s390_chunkify_start): Don't skip
2632         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2633         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2634         If insn is followed by NOTE_INSN_VAR_LOCATION or
2635         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2636         Don't use location of note insns.
2637
2638         PR tree-optimization/51865
2639         * tree-inline.c (tree_function_versioning): Call remap_decl
2640         on DECL_RESULT whenever it has VOID_TYPE_P type.
2641
2642 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2643
2644         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2645         for calls to locally-binding MIPS16 functions if only the return
2646         type uses float regs.
2647
2648 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2649             Richard Sandiford  <rdsandiford@googlemail.com>
2650
2651         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2652         (SYMBOL_32_HIGH): Likewise.
2653         (mips_output_tls_reloc_directive): Declare.
2654         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2655         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2656         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2657         (mips_lo_relocs, mips_hi_relocs): Make extern.
2658         (mips16_stub_function): Move up file.
2659         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2660         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2661         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2662         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2663         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2664         (mips_get_tp): Add MIPS16 support.
2665         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2666         Generalize DTPREL and TPREL handling.
2667         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2668         Add MIPS16 TLS support.
2669         (mips_output_tls_reloc_directive): New function.
2670         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2671         * config/mips/predicates.md (symbolic_operand_with_high)
2672         (tls_reloc_operand): New predicates.
2673         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2674         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2675         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2676         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2677         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2678         (*tls_get_tp_mips16_call_<mode>): Likewise.
2679
2680 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2681
2682         PR rtl-optimization/51821
2683         * recog.c (peep2_find_free_register): Determine clobbered registers
2684         from insn pattern.
2685
2686 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2687
2688         PR target/50925
2689         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2690         * config/avr/avr.c: Likewise.
2691         * config/avr/avr.h: Likewise.
2692
2693 2012-01-13  Ian Lance Taylor  <iant@google.com>
2694
2695         PR c++/50012
2696         * tree.h (TYPE_QUALS): Add cast to int.
2697         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2698
2699 2012-01-13  Ian Lance Taylor  <iant@google.com>
2700
2701         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2702         comparing param_index to VEC_length result.
2703
2704 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2705
2706         * c-decl.c: Do not include tree-mudflap.h
2707         * tree-optimize.c: Likewise.
2708         * Makefile.in: Update dependencies.
2709
2710 2012-01-13  Richard Guenther  <rguenther@suse.de>
2711
2712         PR middle-end/8081
2713         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2714         variable-sized result always use RSO.
2715
2716 2012-01-12  DJ Delorie  <dj@redhat.com>
2717
2718         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2719         pointer type, not just the default pointer type.
2720
2721 2012-01-09  Richard Henderson  <rth@redhat.com>
2722             Denis Chertykov  <chertykov@gmail.com>
2723
2724         PR target/50925
2725         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2726         * config/avr/avr.c (avr_can_eliminate): Simplify.
2727         (avr_initial_elimination_offset): Likewise.
2728         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2729         (expand_epilogue): Likewise.
2730         (avr_legitimize_address): Gut.
2731         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2732         (avr_hard_regno_nregs): New.
2733         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2734         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2735         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2736         add soft frame pointer.
2737         (CALL_USED_REGISTERS): Likewise.
2738         (REG_CLASS_CONTENTS): Likewise.
2739         (REGISTER_NAMES): Likewise.
2740         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2741         (HARD_FRAME_POINTER_REGNUM): New.
2742         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2743         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2744         remove the HARD_FRAME_POINTER self-elimination.
2745
2746 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2747
2748         PR target/51756
2749         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2750         DECL_EXTERNAL when checking for initializers of progmem variables.
2751
2752 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2753
2754         PR tree-optimization/51799
2755         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2756         that the last operation is a type demotion.
2757
2758 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2759
2760         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2761         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2762
2763 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2764
2765         PR bootstrap/51796
2766         * combine.c (distribute_notes): If i3 is a noreturn call,
2767         allow old_size to be equal to args_size and make sure the
2768         noreturn call gets REG_ARGS_SIZE note.
2769         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2770         on noreturn calls even when the delta is 0.
2771
2772 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2773
2774         * gcov.c (STRING_SIZE): Remove.
2775         (generate_results): Erase annotations for source files with no
2776         coverage information.
2777         (read_line): New.
2778         (output_lines): Use it.
2779
2780 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2781
2782         * gimple.h (gimplify_body): Remove first argument.
2783         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2784         pointer set here, instead just pass DATA to walk_tree.
2785         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2786         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2787         (unvisit_body): Likewise, but with unmark_visited.
2788         (gimplify_body): Remove BODY_P argument and adjust.
2789         (gimplify_function_tree): Adjust call to gimplify_body.
2790         * omp-low.c (finalize_task_copyfn): Likewise.
2791
2792 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2793
2794         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2795         (build_function_type_skip_args): Delete.
2796         * tree.c (build_function_type_skip_args): Make static and add
2797         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2798         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2799         pass it to build_function_type_skip_args.
2800         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2801         (tree_function_versioning): Likewise.
2802         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2803         build_function_decl_skip_args.
2804         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2805         and pass it to build_function_decl_skip_args/tree_function_versioning.
2806         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2807         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2808         * trans-mem.c (ipa_tm_create_version): Likewise.
2809         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2810         * tree-inline.c (declare_return_variable): Remove always-true test.
2811         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2812         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2813         * ipa-split.c (split_function): Skip the return value for the split
2814         part if it doesn't return.
2815
2816 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2817
2818         PR tree-optimization/49642
2819         * ipa-split.c (forbidden_dominators): New variable.
2820         (check_forbidden_calls): New function.
2821         (dominated_by_forbidden): Likewise.
2822         (consider_split): Check for forbidden dominators.
2823         (execute_split_functions): Initialize and free forbidden
2824         dominators info; call check_forbidden_calls.
2825
2826 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2827
2828         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2829
2830 2012-01-11  Nick Clifton  <nickc@redhat.com>
2831
2832         * config/rx/rx.md (return): Define pattern.
2833
2834 2012-01-11  Richard Guenther  <rguenther@suse.de>
2835
2836         * doc/extend.texi (malloc attribute): Adjust according to
2837         implementation.
2838
2839 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2840             Patrick Marlier  <patrick.marlier@gmail.com>
2841
2842         PR middle-end/51516
2843         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2844         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2845         (ipa_tm_note_irrevocable): Same.
2846         (ipa_tm_scan_irr_block): Same.
2847         (ipa_tm_decrement_clone_counts): Same.
2848         (ipa_tm_scan_irr_function): Same.
2849         (ipa_tm_create_version_alias): Same.
2850         (ipa_tm_create_version): Same.
2851         (ipa_tm_transform_calls_redirect): Same.
2852         (ipa_tm_transform_calls): Same.
2853         (ipa_tm_transform_transaction): Same.
2854         (ipa_tm_execute): Same.
2855
2856 2012-01-10  Richard Guenther  <rguenther@suse.de>
2857
2858         PR middle-end/51806
2859         * opts.c (common_handle_option): Handle -Werror.
2860
2861 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2862
2863         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2864         operand number.
2865
2866 2012-01-10  Jason Merrill  <jason@redhat.com>
2867
2868         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2869         information.
2870
2871 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2872
2873         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2874         supports R_386_TLS_GD_PLT reloc.
2875         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2876         supports R_386_TLS_LDM_PLT reloc.
2877         * configure: Regenerate.
2878         * config.in: Regenerate.
2879
2880 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2881
2882         PR target/49868
2883         Extend __pgmx semantics to linearize memory.
2884         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2885         determine if code comes inline or from libgcc.
2886         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2887         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2888         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2889         (movmemx_qi, movmemx_hi): New insns.
2890         (xload_<mode>_libgcc): Rewrite to new insn condition.
2891         (xload_<mode>): Remove insns.
2892         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2893         cases that don't satisfy avr_xload_libgcc_p().
2894         (avr_addr_space_convert): Allow converting in any direction.
2895         (avr_addr_space_subset_p): Return always true.
2896         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2897         (avr_emit_movmemhi): Ditto.
2898         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2899         (avr_out_movmem): Ditto.
2900         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2901         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2902         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2903         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2904         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2905
2906 2012-01-10  Richard Guenther  <rguenther@suse.de>
2907
2908         PR tree-optimization/50913
2909         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2910         Require data-refs to be representable by Graphite with respect
2911         to any loop nest.
2912
2913 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2914
2915         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2916         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2917
2918 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2919
2920         PR rtl-optimization/51271
2921         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2922         handling annulled branch.
2923
2924 2012-01-10  Richard Henderson  <rth@redhat.com>
2925
2926         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2927         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2928         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2929         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2930         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2931         arm_expand_vec_perm_const): New.
2932         * config/arm/arm-protos.h: Update.
2933         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2934         (*neon_vswp<VDQX>): New.
2935         (neon_vcombine<VDX>): Use neon_split_vcombine.
2936         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2937         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2938         (vec_perm<VE>): New.
2939
2940 2012-01-10  Richard Henderson  <rth@redhat.com>
2941
2942         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2943         use it if reload_completed.
2944         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2945         arm_output_asm_insn, arm_process_output_memory_barrier,
2946         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2947         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2948         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2949         arm_process_output_sync_insn, arm_output_sync_insn,
2950         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2951         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2952         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2953         (emit_unlikely_jump): New.
2954         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2955         (arm_split_atomic_op): New.
2956         * config/arm/arm-protos.h: Update.
2957         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2958         (struct arm_sync_generator): Remove.
2959         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2960         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2961         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2962         (VUNSPEC_LL, VUNSPEC_SC): New.
2963         (sync_result, sync_memory, sync_required_value, sync_new_value,
2964         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2965         (attr length): Don't use arm_sync_loop_insns.
2966         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2967         (movsfcc, movdfcc): Likewise.
2968         * config/arm/constraints.md (Ua): New.
2969         * config/arm/prediates.md (mem_noofs_operand): New.
2970         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2971         (sync_clobber, sync_t2_reqd): Remove.
2972         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2973         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2974         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2975         (arm_sync_compare_and_swap<SIDI>): Remove.
2976         (arm_sync_compare_and_swap<NARROW>): Remove.
2977         (arm_sync_lock_test_and_set<SIDI>): Remove.
2978         (arm_sync_lock_test_and_set<NARROW>): Remove.
2979         (arm_sync_new_<syncop><SIDI>): Remove.
2980         (arm_sync_new_<syncop><NARROW>): Remove.
2981         (arm_sync_new_nand<SIDI>): Remove.
2982         (arm_sync_new_nand<NARROW>): Remove.
2983         (arm_sync_old_<syncop><SIDI>): Remove.
2984         (arm_sync_old_<syncop><NARROW>): Remove.
2985         (arm_sync_old_nand<SIDI>): Remove.
2986         (arm_sync_old_nand<NARROW>): Remove.
2987         (*memory_barrier): Merge arm_output_memory_barrier.
2988         (atomic_compare_and_swap<QHSD>): New.
2989         (atomic_compare_and_swap<NARROW>_1): New.
2990         (atomic_compare_and_swap<SIDI>_1): New.
2991         (atomic_exchange<QHSD>): New.
2992         (cas_cmp_operand, cas_cmp_str): New.
2993         (atomic_op_operand, atomic_op_str): New.
2994         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2995         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2996         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2997         (arm_load_exclusive<NARROW>): New.
2998         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2999         (arm_store_exclusive<QHSD>): New.
3000
3001 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3002
3003         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3004         reload patterns if -mvsx-scalar-memory.
3005
3006         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3007         generated, even -mno-vsx-scalar-double was used.
3008         (vsx_xscvdpsp_scalar): Likewise.
3009         (vsx_xscvspdp_scalar2): Likewise.
3010
3011 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3012             Andrew Pinski  <apinski@cavium.com>
3013
3014         PR debug/51471
3015         * reorg.c (fill_slots_from_thread): Don't speculate
3016         frame-related insns.
3017
3018 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3019
3020         * sched-int.h (bb_note): Move to...
3021         * basic-block.h: ...here.
3022         * haifa-sched.c (bb_note): Move to...
3023         * cfgrtl.c: ...here.
3024         * function.c (next_block_for_reg): New function.
3025         (move_insn_for_shrink_wrap): Likewise.
3026         (prepare_shrink_wrap): Rewrite to use the above.
3027
3028 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3029
3030         * gimple.c (is_gimple_non_addressable): Remove.
3031         * gimple.h: Remove is_gimple_non_addressable.
3032         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3033         is_gimple_non_addressable.
3034         * trans-mem.c (expand_assign_tm): Same.
3035
3036 2012-01-09  Richard Guenther  <rguenther@suse.de>
3037
3038         PR tree-optimization/51775
3039         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3040         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3041
3042 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3043
3044         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3045         tuning parameters.
3046         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3047
3048 2012-01-09  Richard Guenther  <rguenther@suse.de>
3049
3050         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3051
3052 2012-01-08  Jan Hubicka  <jh@suse.cz>
3053
3054         PR tree-optimize/51680
3055         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3056         on when known_vals needs to be computed; cleanup.
3057
3058 2012-01-08  Jan Hubicka  <jh@suse.cz>
3059
3060         PR tree-optimize/51694
3061         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3062
3063 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3064
3065         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3066         for -std=c++98 and -std=c++11 too.
3067
3068 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3069
3070         * cfgloop.c (cancel_loop): Add free() of bbs array.
3071
3072 2012-01-07  Jan Hubicka  <jh@suse.cz>
3073
3074         PR tree-optimization/51600
3075         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3076         that benefits small functions.
3077
3078 2012-01-07  Jan Hubicka  <jh@suse.cz>
3079
3080         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3081
3082 2012-01-07  Jan Hubicka  <jh@suse.cz>
3083
3084         PR tree-optimization/51680
3085         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3086         whose inlining reduce unit size.
3087
3088 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3089
3090         PR bootstrap/51725
3091         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3092         Add canonical node to containing_mem chain after the non-canonical
3093         one, even if there weren't any locs to propagate.
3094         (remove_useless_values): Keep only canonical values.
3095         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3096         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3097         canonicalize mem_chain elements that are not discarded.
3098
3099 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3100
3101         PR target/47333
3102         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3103         before emitting functions.
3104
3105         PR gcov-profile/50127
3106         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3107         clear_aux_for_blocks.
3108
3109 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3110
3111         PR debug/51746
3112         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3113
3114 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3115
3116         * c-decl.c (ext_block): Moved up.
3117         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3118
3119 2012-01-06  Han Shen  <shenhan@google.com>
3120
3121         Translate built-in include paths for sysroot.
3122         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3123         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3124
3125         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3126         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3127
3128         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3129         control whether sysroot should be prepended to gxx include dir.
3130
3131         * configure: Regenerate.
3132
3133 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3134
3135         PR rtl-optimization/51771
3136         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3137         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3138
3139 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3140
3141         PR tree-optimization/51315
3142         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3143         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3144
3145 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3146
3147         PR target/51681
3148         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3149         for shrp pattern.  Correctly handle and fixup shift variable.
3150         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3151
3152 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR debug/51762
3155         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3156         note when !ACCUMULATE_OUTGOING_ARGS.
3157
3158 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3159
3160         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3161         condition.
3162         (extract_range_from_unary_expr_1): Avoid useless computations.
3163
3164 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3165
3166         PR rtl-optimization/51767
3167         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3168         of jump_block and add an extra edge for degenerated asm gotos.
3169
3170         PR middle-end/51768
3171         * stmt.c (check_unique_operand_names): Don't ICE during error
3172         reporting if i is from labels chain.
3173
3174         PR middle-end/44777
3175         * profile.c (branch_prob): Split bbs that have exit edge
3176         and need a fake entry edge too.
3177
3178 2012-01-05  Jan Hubicka  <jh@suse.cz>
3179
3180         PR middle-end/49710
3181         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3182         unlooping loops.
3183
3184 2012-01-05  Richard Guenther  <rguenther@suse.de>
3185
3186         PR lto/50490
3187         * tree-streamer-out.c (write_ts_optimization): New function.
3188         (streamer_write_tree_body): Call it.
3189         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3190         (streamer_read_tree_body): Call it.
3191         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3192
3193 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3194
3195         PR middle-end/51761
3196         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3197         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3198         in_cleanup_point_expr before gimplify_stmt call and restore it
3199         afterwards.
3200         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3201         in_cleanup_point_expr is false.
3202
3203 2012-01-05  Richard Guenther  <rguenther@suse.de>
3204
3205         PR middle-end/51764
3206         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3207         to c.opt.
3208         * toplev.c (process_options): Reject combining mudflap and LTO.
3209         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3210
3211 2012-01-05  Richard Guenther  <rguenther@suse.de>
3212
3213         PR tree-optimization/51760
3214         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3215         not VARYING.
3216         (bit_value_unop): Handle UNDEFINED operands.
3217         (bit_value_binop): Likewise.
3218
3219 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3220
3221         * config/avr/avr.c (avr_replace_prefix): Remove.
3222         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3223         (avr_asm_function_rodata_section): Ditto.
3224         (avr_asm_select_section): Ditto.
3225
3226 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3227
3228         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3229         insertion.
3230
3231 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3232
3233         PR bootstrap/51648
3234         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3235         calls that have any non-fake successor edges.
3236
3237         PR debug/51746
3238         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3239
3240 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3241
3242         PR tree-optimization/51624
3243         * tree-sra.c (build_ref_for_model): When replicating a chain of
3244         COMPONENT_REFs, stop as soon as the offset would become negative.
3245
3246 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3247
3248         PR debug/51695
3249         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3250         in .debug_loc on the floor.
3251
3252 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3253
3254         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3255
3256 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3257             Adam Nemet  <anemet@caviumnetworks.com>
3258
3259         * config/mips/mips.md (size): Add SI and DI.
3260         (SIZE): New mode attribute.
3261         (U): New code attribute.
3262         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3263         (mips_lbux_<mode>): Delete.
3264         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3265         (mips_lhx): Use gen_mips_lhx_extsi.
3266         (mips_lhx_<mode>): Delete.
3267         (mips_lwx): Delete.
3268         (mips_l<size>x): New expand.
3269         (mips_lwx_<mode>): Delete.
3270         (mips_l<GPR:size>x_<P:mode>): New pattern.
3271         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3272         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3273         * config/mips/mips.c (mips_lx_address_p): New function.
3274         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3275         (dsp64): New availability predicate.
3276         (mips_builtins): Add an entry for __builtin_mips_ldx.
3277         * config/mips/mips.h (ISA_HAS_LBX): New define.
3278         (ISA_HAS_LBUX): Likewise.
3279         (ISA_HAS_LHX): Likewise.
3280         (ISA_HAS_LHUX): Likewise.
3281         (ISA_HAS_LWX): Likewise.
3282         (ISA_HAS_LWUX): Likewise.
3283         (ISA_HAS_LDX): Likewise.
3284         * doc/extend.texi (__builtin_mips_ldx): Document.
3285
3286 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3287
3288         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3289         when long pointers are used.
3290         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3291         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3292         (ia64-hp-*vms*): Remove.
3293         * config/vms/xm-vms64.h: Delete.
3294
3295 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3296
3297         PR middle-end/51472
3298         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3299
3300 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3301
3302         * opts.c (finish_options): Remove duplicate sorry.
3303
3304 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3305
3306         PR middle-end/51696
3307         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3308         correctly.
3309
3310 2012-01-04  Richard Guenther  <rguenther@suse.de>
3311
3312         PR middle-end/51750
3313         * tree.c (size_low_cst): New function.
3314         * tree.h (size_low_cst): Declare.
3315         * fold-const.c (fold_comparison): Use it to extract the low
3316         part of the POINTER_PLUS_EXPR offset.
3317
3318 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3319
3320         Fix clearing ZERO_REG
3321         * config/avr/avr.md (cc): Add alternative "ldi".
3322         (movqi_insn): Use it in cc attribute.
3323         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3324         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3325         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3326
3327 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3328
3329         * configure: Regenerate.
3330
3331 2012-01-04  Richard Guenther  <rguenther@suse.de>
3332
3333         PR tree-optimization/49651
3334         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3335         (var_can_have_subvars): Use it.
3336         (get_constraint_for_1): Only consider subfields if there can be any.
3337
3338 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3339
3340         PR bootstrap/51725
3341         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3342         to its new canonical_cselib_val and the cselib_val was in
3343         first_containing_mem chain, but the canonical_cselib_val was not,
3344         add the latter into the chain.
3345         (cselib_invalidate_mem): Compare canonical_cselib_val of
3346         addr_list chain elt with v.
3347
3348         PR pch/51722
3349         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3350         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3351         of xstrdup.
3352         (output_macinfo_op): Don't ggc_strdup fd->filename.
3353         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3354         then ggc_strdup it.  Don't free inc->info or cur->info.
3355         (output_macinfo): Don't free ref->info or file->info.
3356
3357 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3358
3359         PR tree-optimization/51269
3360         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3361         first_niters a pointer.
3362         (slpeel_tree_peel_loop_to_edge): Likewise.
3363         (vect_do_peeling_for_loop_bound): Update call to
3364         slpeel_tree_peel_loop_to_edge.
3365         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3366         here.  Remove it from the parameters list.
3367         (vect_do_peeling_for_alignment): Update calls and compute
3368         wide_prolog_niters.
3369
3370 2012-01-03  Richard Guenther  <rguenther@suse.de>
3371
3372         PR tree-optimization/51070
3373         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3374         Properly handle calls.
3375
3376 2012-01-03  Richard Guenther  <rguenther@suse.de>
3377
3378         PR tree-optimization/51692
3379         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3380         the LHS of allocation stmts.
3381
3382 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3383
3384         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3385
3386 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3387
3388         * collect2.c (main): In AIX specific computations for vector
3389         insertions, use CONST_CAST2 to cast from char ** to const char **.
3390
3391 2012-01-03  Richard Guenther  <rguenther@suse.de>
3392
3393         PR debug/51650
3394         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3395         the context of a limbo DIE when it does not already exist.
3396
3397 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3398
3399         PR tree-optimization/51719
3400         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3401         but direct call is, clear direct call's lhs and don't add fallthrough
3402         edge from dcall_bb to join_bb and PHIs.
3403
3404 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3405
3406         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3407         the instructions emitted by the pattern.
3408         ("*TDC_insn_<mode>"): Add comment.
3409
3410 2012-01-03  Richard Guenther  <rguenther@suse.de>
3411
3412         PR middle-end/51730
3413         * fold-const.c (fold_comparison): Properly canonicalize
3414         tree offset and HOST_WIDE_INT bit position.
3415
3416 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3417
3418         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3419         operands for extzv pattern.
3420
3421 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3422
3423         PR bootstrap/51725
3424         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3425         on mem_elt first.
3426
3427 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3428
3429         * doc/invoke.texi (-flto and related options): Copy-edit.
3430
3431 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3432
3433         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3434
3435 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3436
3437         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3438         New patterns.
3439
3440 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3441
3442         * expr.h (move_by_pieces_ninsns): Declare.
3443         * expr.c (move_by_pieces_ninsns): Make external.
3444         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3445         (mips_store_by_pieces_p): Likewise.
3446         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3447         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3448         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3449         (mips_store_by_pieces_p): Likewise.
3450
3451 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3452
3453         * passes.c (register_one_dump_file): Free full_name.
3454
3455         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3456         (calculate_elim_costs_all_insns): Free offsets_at and
3457         offsets_known_at at the end and clear the pointers.
3458
3459 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3460
3461         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3462         this option introduced in r180739.
3463
3464 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3465
3466         PR target/51345
3467         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3468         (tmake_file target=avr): Add avr/t-multilib.
3469
3470         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3471         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3472         * config/avr/genmultilib.awk: New file.
3473         * config/avr/t-multilib: New auto-generated file.
3474         * config/avr/multilib.h: New auto-generated file.
3475         * config/avr/t-avr (AVR_MCUS): New variable.
3476         (genopt.sh): Use it.
3477         (s-mlib): Depend on t-multilib.
3478         (t-multilib, multilib.h): New dependencies.
3479         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3480         (MULTILIB_OPTIONS): Remove.
3481         (MULTILIB_MATCHES): Remove.
3482         (MULTILIB_DIRNAMES): Remove.
3483         (MULTILIB_EXCEPTIONS): Remove:
3484         * config/avr/genopt.sh: Don't use hard coded file name;
3485         pass AVR_MCUS from t-avr instead.
3486
3487 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3488
3489         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3490
3491 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3492
3493         Implement light-weight DImode support.
3494         * config/avr/avr-dimode.md: New file.
3495         * config/avr/avr.md: Include it.
3496         (adjust_len): Add plus64, compare64.
3497         (HIDI): Remove code iterator.
3498         (code_stdname): New code attribute.
3499         (rotx, rotsmode): Remove DI.
3500         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3501         as code iterator.
3502         * config/avr/avr-protos.h (avr_have_dimode): New.
3503         (avr_out_plus64, avr_out_compare64): New.
3504         * config/avr/avr.c (avr_out_compare): Handle DImode.
3505         (avr_have_dimode): New variable definition and initialization.
3506         (avr_out_compare64, avr_out_plus64): New functions.
3507         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3508  &