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PR middle-end/52463
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1 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2
3         PR middle-end/52463
4         * trans-mem.c (tm_region_init): Use last_basic_block.
5
6 2012-03-05  Richard Henderson  <rth@redhat.com>
7
8         PR tree-opt/52242
9         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
10         * omp-low.c (expand_omp_atomic): Assume anything aligned to
11         BIGGEST_ALIGNMENT is aligned.
12
13 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
14
15         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
16
17 2012-03-05  Richard Henderson  <rth@redhat.com>
18
19         PR target/52481
20         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
21         instead of calling negqi2 directly.
22
23 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24
25         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
26         (INTMAX_TYPE): Use it.
27         (UINTMAX_TYPE): Likewise.
28         (SUBTARGET_OVERRIDE_OPTIONS): Define.
29         (irix6_c_common_override_options): Declare.
30         (C_COMMON_OVERRIDE_OPTIONS): Define.
31         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
32         * config/mips/irix6-c.c: New file.
33         * config/mips/t-irix6 (irix6-c.o): New target.
34         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
35         cxx_target_objs.
36
37 2012-03-02  Richard Henderson  <rth@redhat.com>
38
39         * optabs.c (expand_atomic_test_and_set): Honor
40         atomic_test_and_set_trueval even when atomic_test_and_set
41         optab is not in use.
42
43 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
44
45         Backport from mainline
46         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
47
48         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
49
50 2012-03-02  Richard Guenther  <rguenther@suse.de>
51
52         * DEV-PHASE: Set to prerelease.
53
54 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
55
56         * config.gcc (obsolete): Add all ARM targets using the FPA.
57         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
58         * doc/install.texi: Avoid references to obsolete ARM ports.
59
60 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
61
62         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
63
64 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
65             Joern Rennecke  <joern.rennecke@embecosm.com>
66
67         * doc/extend.texi: Expand and update information on interrupt
68         attribute for Epiphany.
69
70 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
71
72         * config/sh/sh-protos.h: Update copyright notice dates.
73         * config/sh/sh.h: Likewise.
74         * config/sh/sh.md: Likewise.
75         * config/sh/constraints.md: Likewise.
76         * config/sh/predicates.md: Likewise.
77
78 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
79
80         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
81         * config/sh/sh.c (tertiary_reload_operand): Likewise.
82
83 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
84
85         * config/sh/constraints.md: Fix comment typo.
86
87 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
88
89         PR target/52408
90         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
91         unsigned HOST_WIDE_INT.
92         (zvdep_imm64): Likewise.
93         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
94         (vdepi_and): Likewise.
95         Likewise for unamed 64-bit patterns.
96         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
97
98 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
99
100         PR debug/52001
101         PR rtl-optimization/52417
102         * cselib.c (cselib_any_perm_equivs): New variable.
103         (cselib_reset_table): Check that it's not set when not
104         preserving constants.
105         (cselib_add_permanent_equiv): Set it.
106         (cselib_have_permanent_equivalences): New.
107         (cselib_init, cselib_finish): Reset it.
108         * cselib.h (cselib_have_permanent_equivalences): Declare.
109         * alias.c (get_addr): Restore earlier behavior when there
110         aren't permanent equivalences.
111
112 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
113
114         * config/mn10300/mn10300-modes.def: Fix copyright notice.
115         * config/v850/v850-modes.def: Fix copyright notice.
116
117 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
118
119         * doc/extend.texi (AVR Built-in Functions): Document
120         __builtin_avr_flash_segment.
121
122         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
123         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
124         (*split.flash_segment): New insn-and-split.
125         * config/avr/avr.c (avr_init_builtins): Add local variables:
126         const_memx_void_node, const_memx_ptr_type_node,
127         char_ftype_const_memx_ptr.
128
129 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
130
131         PR tree-optimization/52445
132         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
133         add ssa_name_ver, offset and size fields and change store field
134         to bool.
135         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
136         (add_or_mark_expr): Likewise.  Only consider previous stores
137         with the same size and offset.
138         (nt_init_block): Only look at gimple_assign_single_p stmts,
139         doesn't look at rhs2.
140
141 2012-03-01  Richard Guenther  <rguenther@suse.de>
142
143         PR middle-end/52443
144         * tree-cfg.c (verify_gimple_assign_unary): Allow any
145         conversions from integral types to pointer types.
146
147 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
148
149         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
150         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__ 
151         unintentionally removed in r184616.
152
153 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
154
155         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
156         3DNow from bdver1.
157
158 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
159             Uros Bizjak  <ubizjak@gmail.com>
160
161         PR target/52437
162         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
163         alternatives, add "e" constraint to the new last alternative
164         and ! to last 3 alternatives.
165
166 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
167
168         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
169         DW_AT_artificial attributes at the end of the processing.
170         (gen_array_type_die): Likewise.
171         (gen_enumeration_type_die): Likewise.
172         (gen_struct_or_union_type_die): Likewise.
173         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
174         the parent type.
175
176 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
177
178         PR middle-end/52419
179         * expr.c (expand_assignment): If doing misaligned store that doesn't
180         cover all mode bits, perform a RMW cycle.
181
182         PR tree-optimization/52429
183         * tree-parloops.c (separate_decls_in_region_debug): Return early
184         if var is LABEL_DECL.
185
186 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
187
188         PR tree-optimization/52424
189         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
190         calling dom_thread_across_edge.
191
192 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
193
194         * config/avr/avr.c: Move definition of TARGET macros to end of file.
195
196 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
197
198         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
199         * config/avr/avr.c (avr_output_bld): Remove unused function.
200         (avr_out_sbxx_branch): Use "%T" to print bit position.
201
202 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
203
204         * config/avr/avr.md: Untabify.
205
206 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
207
208         * config/avr/avr.md (eqne): New code iterator.
209         (*dec-and-branchsi): Use it in text peephole's condition.
210         (*dec-and-branchhi): Ditto.
211         (*dec-and-branchqi): Ditto.
212
213 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
214
215         PR target/49939
216         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
217         the device does not have the skip-bug.
218
219 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
220
221         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
222         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
223         -mpretend-cmove): New.
224
225 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
226
227         PR bootstrap/52397
228         * df.h (struct df_d): Adjust comment that hard_regs_live_count
229         doesn't count DEBUG_INSN refs.
230         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
231         for DEBUG_INSN refs.
232
233 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
234
235         Partially revert:
236
237         2012-02-20  Richard Guenther  <rguenther@suse.de>
238         PR tree-optimization/52298
239         * tree-vect-stmts.c (vectorizable_load): Properly use
240         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
241         outer loops.
242
243 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
244
245         PR middle-end/51752
246         * gimple.h (gimple_in_transaction): New.
247         (gimple_set_in_transaction): New.
248         (struct gimple_statement_base): Add in_transaction field.
249         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
250         transaction loads.
251         (tree_ssa_lim_initialize): Compute transaction bits.
252         * tree.h (compute_transaction_bits): Protoize.
253         * trans-mem.c (tm_region_init): Use the heap to store BB
254         auxilliary data.
255         (compute_transaction_bits): New.
256
257 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
258
259         * gcc.c (display_help): Document --help=common and sort entries
260         alphabetically.
261
262 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
263
264         * doc/install.texi: Document check-$LANG specific shortcuts
265
266 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
267
268         PR target/51534
269         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
270         and vcgtu.
271         * config/arm/arm_neon.h: Regenerate.
272         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
273         (neon_vcgeu): New insn.
274         (neon_vcgtu): Likewise.
275         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
276         (ops): Unsigned comparison intrinsics call a different
277         builtin.
278
279 2012-02-28  Richard Guenther  <rguenther@suse.de>
280
281         PR target/52407
282         * config/i386/i386.c (ix86_expand_vector_set): Fix element
283         ordering for the VEC_CONCAT for two element vectors for
284         V2SFmode, V2SImode and V2DImode.
285
286 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
287
288         PR target/49448
289         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
290         detecting big-endian triplets.
291
292 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
293
294         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
295         mode if there is no type information available.
296
297 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
298
299         PR tree-optimization/53207
300         * doc/invoke.texi: Document as experimental and relying on graphite.
301
302 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
303
304         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
305         of initializer to changes from r184614.
306         
307 2012-02-28  Richard Guenther  <rguenther@suse.de>
308
309         PR tree-optimization/52395
310         * tree-sra.c (build_ref_for_offset): Also look at the base
311         TYPE_ALIGN when figuring out the alignment of the replacement.
312
313 2012-02-28  Richard Guenther  <rguenther@suse.de>
314
315         PR tree-optimization/52402
316         * ipa-prop.c (ipa_modify_call_arguments): Properly use
317         mis-aligned types when creating the accesses at the call site.
318
319 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
320
321         * config/avr/builtins.def: New file.
322         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
323         * config/avr/avr.c (enum avr_builtin_id): Use it.
324         (avr_init_builtins): Use it. And use avr_bdesc.
325         (bdesc_1arg): Remove.
326         (bdesc_2arg): Remove.
327         (bdesc_3arg): Remove.
328         (struct avr_builtin_description): Add field n_args.
329         (avr_bdesc): New static variable using builtins.def.
330         (avr_expand_builtin): Use it.
331         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
332         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
333         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
334
335 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
336
337         PR target/52148
338         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
339         match only one single hard register with respective hard reg rtx.
340         (movmemx_<mode>): Ditto.
341         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
342         insn anatomy of movmem[x]_<mode>.
343         (avr_out_movmem): Same for printing assembler and operand usage.
344
345 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
346
347         PR target/49868
348         PR target/52261
349         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
350         address spaces located outside of device flash.
351
352         * config/avr/avr.h (base_arch_s): Remove field n_segments.
353         (mcu_type_s): Add field n_flash.
354         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
355         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
356         (AVR_MCU): Add N_FLASH argument.
357         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
358         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
359         macro __FLASH<n> if that address space makes sense for the device.
360         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
361         outside of target flash.
362         (avr_asm_named_section): Ditto.
363         (avr_asm_select_section): Ditto.
364         (avr_addr_space_convert): Ditto.
365         (avr_emit_movmemhi): Ditto.
366         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
367         address space is outside of device flash.
368         (avr_insert_attributes): Ditto.
369         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
370         avr_current_arch->n_segments.
371
372 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
373
374         PR target/52352
375         * config/i386/i386.md (*movabs<mode>_1): Enable only for
376         TARGET_LP64.
377         (*movabs<mode>_2): Likewise.
378
379 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
380
381         PR target/52375
382         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
383         s_register_operand in the test instead of REG_P.  Don't call
384         gen_reg_rtx if it won't be used.
385
386         PR tree-optimization/52376
387         * ipa-split.c (split_function): Ignore CLOBBER stmts.
388
389 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
390
391         * ifcvt.c (noce_get_condition): Check condition variable is not
392         small_register_classes_for_mode_p before accepting.
393
394 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
395
396         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
397
398 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
399
400         Revert:
401         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
402         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
403         tuning parameters.
404         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
405
406 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
407
408         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
409
410 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
411
412         * config/sh/predicates.md: Remove blank lines.
413         * config/sh/sh.c: Fix typos in comments.
414         * config/sh/constraints.md: Likewise.
415         * config/sh/sh.md: Remove blank lines.
416         Fix typos in comments.  Use ;; as comment characters.
417
418 2012-02-26  Walter Lee  <walt@tilera.com>
419
420         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
421         (replace_mov_pcrel_step2): Ditto.
422
423 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
424
425         PR debug/52001
426         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
427         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
428         and locs that reference values newer than the non-canonical value
429         at hand.  Return the canonical value as a worst case.
430         (memrefs_conflict_p): Walk canonical value's locs.
431
432         PR debug/52001
433         * cselib.c (preserve_only_constants): Rename to...
434         (preserve_constants_and_equivs): ... this.  Split out...
435         (invariant_or_equiv_p): ... this.  Preserve plus expressions
436         of other preserved expressions too.
437         (cselib_reset_table): Adjust.
438         * var-tracking.c (reverse_op): Use canonical value to build
439         reverse operation.
440
441 2012-02-23  Kai Tietz  <ktietz@redhat.com>
442
443         * config/i386/i386.c (ix86_delegitimize_address): Handle
444         UNSPEC_PCREL plus displacement.
445
446 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
447
448         PR target/52261
449         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
450         to test for unusedness in st X addressing.
451
452 2012-02-24  Richard Guenther  <rguenther@suse.de>
453
454         PR middle-end/52361
455         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
456         (is_gimple_reg_type): Move inline ...
457         * gimple.h (is_gimple_reg_type): ... here.
458
459 2012-02-24  Richard Guenther  <rguenther@suse.de>
460
461         PR middle-end/52361
462         * passes.c (execute_function_todo): When verifying SSA form
463         verify gimple form first.
464         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
465
466 2012-02-24  Richard Guenther  <rguenther@suse.de>
467
468         PR middle-end/52355
469         * fold-const.c (fold_addr_of_array_ref_difference): New function.
470         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
471
472 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
473
474         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
475
476 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
477
478         * tree-phinodes.c (make_phi_node): Mark static.
479         * tree-flow.h (make_phi_node): Remove extern decl.
480         * doc/gimple.texi (make_phi_node): Remove documentation.
481
482 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
483
484         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
485         * tree-ssa-sccvn.c (print_scc): Ditto.
486
487 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
488
489         * doc/passes.texi (Full redundancy elimination): Fix typo.
490
491 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
492
493         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
494
495 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
496
497         PR bootstrap/52287
498         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
499
500 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
501
502         PR c/52290
503         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
504
505 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
506
507         * config/avr/avr.md (code_stdname): Add ior, xor.
508         (xior): New code iterator.
509         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
510         (*<code_stdname><mode>qi.byte1-3): Ditto.
511
512 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
513
514         PR tree-optimization/52019
515         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
516         CLOBBER stmts.
517
518 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
519
520         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
521         HAVE_INITFINI_ARRAY to work around namespace pollution in
522         certain versions of newlib system headers.
523         * config.in: Regenerate.
524         * configure: Regenerate.
525         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
526         instead of HAVE_INITFINI_ARRAY.
527
528 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
529
530         PR target/52330
531         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
532         is not offsettable memory reference.
533
534 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
535
536         PR target/18145
537         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
538         setting avr_need_clear_bss_p for __gnu_lto* symbols.
539
540 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
541
542         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
543         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
544
545 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
546
547         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
548         library on Solaris 8 even without TLS support.
549         * configure: Regenerate.
550
551 2012-02-22  Richard Guenther  <rguenther@suse.de>
552
553         PR middle-end/52329
554         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
555         for GIMPLE_DEBUG stmts.
556
557 2012-02-22  Martin Jambor  <mjambor@suse.cz>
558
559         PR middle-end/51782
560         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
561         according to the base object.
562
563 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
564
565         PR rtl-optimization/50063
566         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
567         and 2 (8-bit SP) in operand 2.
568         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
569         setup to use movhi_sp_r instead of vanilla move to write SP.
570         Adjust REG_CFA notes to superseed unspec.
571         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
572         of vanilla move.
573         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
574         known to be off) only with TARGET_NO_INTERRUPTS. Never use
575         irq_state 1 (IRQ known to be on) here.
576
577 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
578
579         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
580         WORDS_BIG_ENDIAN.
581         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
582         assign_hard_reg): Likewise.
583
584 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
585
586         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
587
588 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
589
590         * config/avr/avr.md
591         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
592         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
593
594 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
595
596         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
597         prototype from here to...
598         * config/avr/avr.h: ...here.
599
600 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
601
602         PR target/52294
603         * thumb2.md (thumb2_shiftsi3_short): Split register and
604         immediate shifts.  For register shifts tie operands 0 and 1.
605         (peephole2 for above): Check that register-controlled shifts
606         have suitably tied operands.
607
608 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
609
610         PR target/52137
611         * config/i386/bdver1.md (bdver1_call, bdver1_push,
612         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
613         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
614         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
615         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
616         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
617         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
618         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
619         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
620         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
621         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
622         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
623         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
624         bdver1_ssevector_avx256_unaligned_load,
625         bdver1_ssevector_sse128_unaligned_load,
626         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
627         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
628         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
629         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
630         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
631         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
632         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
633         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
634         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
635         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
636         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
637         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
638         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
639         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
640         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
641         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
642         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
643         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
644         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
645         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
646         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
647         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
648         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
649         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
650         bdver1_ssediv_double_load, bdver1_ssediv_double,
651         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
652         Add "bdver2" attribute.
653
654 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
655
656         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
657         default if possible and not specified otherwise.
658
659 2012-02-21  Richard Guenther  <rguenther@suse.de>
660
661         PR middle-end/52314
662         * gimplify.c (create_tmp_from_val): Use the main variant type
663         for the type of the temporary we create.
664
665 2012-02-21  Richard Guenther  <rguenther@suse.de>
666
667         PR tree-optimization/52324
668         * gimplify.c (gimplify_expr): When re-gimplifying expressions
669         do not gimplify a MEM_REF address operand if it is already
670         in suitable form.
671
672 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
673
674         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
675         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
676
677 2012-02-21  Richard Guenther  <rguenther@suse.de>
678
679         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
680         nested_in_vect_loop.
681
682 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
683
684         PR tree-optimization/52318
685         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
686         vdef also to non-pure/const call stmts in the sequence.
687
688 2012-02-20  David S. Miller  <davem@davemloft.net>
689
690         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
691         don't use the "rd %pc" instruction on v9 for PIC register loads.
692
693 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
694
695         PR middle-end/52141
696         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
697         in a transaction safe function.
698
699 2012-02-20  Kai Tietz  <ktietz@redhat.com>
700
701         PR target/52238
702         * stor-layout.c (place_field): Handle desired_align for
703         ms-bitfields, too.
704
705 2012-02-20  Richard Guenther  <rguenther@suse.de>
706
707         PR tree-optimization/52298
708         * tree-vect-stmts.c (vectorizable_store): Properly use
709         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
710         outer loops.
711         (vectorizable_load): Likewise.
712         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
713         Access DR_STEP after ensuring it is not NULL.
714
715 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
716
717         PR tree-optimization/52286
718         * fold-const.c (fold_binary_loc): For (X & C1) | C2
719         optimization use double_int_to_tree instead of build_int_cst_wide,
720         rewrite to use double_int vars.
721
722 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
723
724         PR target/50166
725         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
726         Define _start.
727         Remove -e 0 from $gcc_cv_ld invocation.
728         Only use __GLIBC_PREREQ if defined.
729         Enable on Solaris since Solaris 8 patch.
730         (gcc_SUN_LD_VERSION): New macro.
731         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
732         gcc_SUN_LD_VERSION for version number format.
733         * configure: Regenerate.
734         * varasm.c (get_elf_initfini_array_priority_section): Set
735         SECTION_NOTYPE for non-default priority.
736         Use get_section instead of get_unnamed_section to emit
737         .init_array/.fini_array with default priority.
738
739 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
740
741         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
742         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
743         (mips_start_unique_function, mips_output_mips16_rdhwr)
744         (mips_code_end): New functions.
745         (TARGET_ASM_CODE_END): Define.
746
747 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
748
749         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
750         to stubs with non-sibling calls.
751
752 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
753
754         * doc/invoke.texi (-fira-* options): Copy-edit.
755         (ira-* parameters): Copy-edit.
756
757 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
758
759         * doc/invoke.texi: Minor copy-edits to bring into conformance with
760         GCC coding conventions.
761
762 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
763
764         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
765         when used as adjectives.
766
767 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
768
769         * doc/invoke.texi: Clean up "that"/"which" confusion.
770
771 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
772
773         * system.h: Poison SMALL_REGISTER_CLASSES
774         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
775         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
776
777 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
778
779         PR tree-optimization/52285
780         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
781         when deciding if a call is a tail call or tail recursion.
782
783 2012-02-16  Kai Tietz  <ktietz@redhat.com>
784
785         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
786         interger-constant displacement for UNSPEC_PCREL.
787
788 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
789
790         PR rtl-optimization/52208
791         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
792         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
793
794         PR tree-optimization/52255
795         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
796         loop->header has virtual PHI, but exit_e->dest doesn't, add
797         virtual PHI to exit_e->dest and adjust all uses after the loop.
798
799         PR debug/52260
800         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
801         children with clone_tree_hash, not after it.
802
803 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
804
805         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
806         extended identifiers.
807
808 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
809
810         PR middle-end/51929
811         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
812         a same_body_alias, also test whether e->callee isn't a former
813         or current clone of the decl this is a same body alias of.
814
815         PR translation/52264
816         * cgraphunit.c (verify_cgraph_node): Fix a typo.
817
818 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
819
820         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
821
822 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
823
824         PR target/52199
825         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
826         force_reg instead of copy_to_reg for better optimization.  Force
827         non-register or memory operands into a register.
828
829 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
830
831         * extend.texi: Reserve upper bits of memory model for future use.
832
833 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
834             Anatoly Sokolov <aesok@post.ru>
835             Eric Weddington <eric.weddington@atmel.com>
836
837         PR target/52261
838         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
839         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
840         Rewrite initializers for .macro.
841         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
842         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
843         atxmega32d4, atxmega32x1.
844         avrxmega4: atxmega64a3, atxmega64d3.
845         avrxmega5: atxmega64a1, atxmega64a1u.
846         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
847         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
848         avrxmega7: atxmega128a1, atxmega128a1u.
849         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
850         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
851         (struct base_arch_s): Rename reserved to xmega_p.
852         Rename reserved2 to have_rampd.
853         (AVR_XMEGA): New define.
854         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
855         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
856         * config/avr/predicates.md (io_address_operand): Take into
857         account SFR offset.
858         (low_io_address_operand): Ditto.
859         (high_io_address_operand): Ditto.
860         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
861         (enabled, movhi_sp_r): Use them.
862         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
863         cpp_define_formatted to built-in define __AVR_ARCH__.
864         (__AVR_XMEGA__): New built-in define.
865         (__AVR_HAVE_RAMPD__): New built-in define.
866         (__AVR_HAVE_RAMPX__): New built-in define.
867         (__AVR_HAVE_RAMPY__): New built-in define.
868         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
869
870         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
871         (avr_option_override): Initialize them.
872         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
873         (avr_init_expanders): Initialize them. No more block several calls.
874         (emit_push_sfr): New static function.
875         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
876         Handle AVR_XMEGA.
877         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
878         (avr_print_operand): Print addreeses as symbols for
879         RAMPX, RAMPY, RAMPD, CCP.
880         (output_movhi): Handle AVR_XMEGA when writing to SP.
881         (avr_out_movhi_mr_r_xmega): New static function.
882         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
883         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
884         __RAMPD__,  __CCP__ as needed.
885
886         * config/avr/multilib.h: Regenerate.
887         * config/avr/t-multilib: Regenerate.
888         * config/avr/avr-tables.opt: Regenerate.
889
890 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
891
892         PR tree-optimization/50561
893         * graphite-flattening.c (lst_project_loop): Do not
894         remove old scattering dimensions after flattening.
895         (lst_do_flatten): Likewise.
896
897 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
898
899         * doc/extend.texi (AVR Built-in Functions): Remove doc for
900         __builtin_avr_map8, __builtin_avr_map16.
901         Document __builtin_avr_insert_bits.
902
903         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
904         (insert_bits): New insn.
905         (adjust_len.map_bits): Rename to insert_bits.
906         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
907         * avr-protos.h (avr_out_map_bits): Remove.
908         (avr_out_insert_bits, avr_has_nibble_0xf): New.
909         * config/avr/constraints.md (Cxf,C0f): New.
910         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
911         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
912         New built-in define __BUILTIN_AVR_INSERT_BITS.
913         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
914         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
915         (avr_move_bits): Rewrite.
916         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
917         functions.
918         (avr_map_op_t): New typedef.
919         (avr_map_op): New static variable.
920         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
921         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
922         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
923         (bdesc_3arg, avr_expand_triop_builtin): New.
924         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
925         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
926         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
927         (avr_map_equal_p, avr_map_sig_p): Remove.
928         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
929         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
930         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
931         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
932         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
933         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
934
935 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
936
937         * config/c6x/c6x.md (reserve_cycles): New attribute.
938         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
939         don't reserve functional units after the branch occurs.
940
941 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
942
943         PR middle-end/52142
944         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
945         functions into non-tm_pure functions.
946
947 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
948
949         PR lto/52178
950         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
951         (iterative_hash_canonical_type): Likewise.
952         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
953         the dead edges.
954
955 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
956
957         * haifa-sched.c (prune_ready_list): Ensure that if there is a
958         sched-group insn, it either remains alone or the entire list is pruned.
959
960 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
961
962         * doc/install.texi (Prerequisites): Fix grammar.
963         (Configuration): Likewise.
964
965 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
966
967         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
968         MPC as part of GCC before describing configuring with --with-gmp etc.
969         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
970         sources are present.
971
972 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
973
974         PR debug/51950
975         * dwarf2out.c (clone_tree_hash): New function.
976         (copy_decls_walk): Use it instead of clone_tree.
977
978 2012-02-14  Richard Guenther  <rguenther@suse.de>
979
980         PR tree-optimization/52244
981         PR tree-optimization/51528
982         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
983         replacements for integral types.
984
985 2012-02-14  Walter Lee  <walt@tilera.com>
986
987         * config.gcc: Handle tilegx and tilepro.
988         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
989         tilegx and tilepro.
990         Add HAVE_AS_TLS check for tilegx and tilepro.
991         * configure: Regenerate.
992         * doc/contrib.texi: Add Mat Hostetter and self.
993         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
994         Document instruction intrinsics and network accessing intrinsics.
995         (TILEPro Built-in Functions): New node.  Document instruction
996         intrinsics and network accessing intrinsics.
997         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
998         (Specific, tilepro-*-linux*): Likewise.
999         * doc/invoke.texi (TILE-Gx Options): New section.
1000         (TILEPro Options): New section.
1001         * doc/md.texi (TILE-Gx): New section.
1002         (TILEPro): New section.
1003         * common/config/tilegx/tilegx-common.c: New file.
1004         * common/config/tilepro/tilepro-common.c: New file.
1005         * config/tilegx/constraints.md: New file.
1006         * config/tilegx/linux.h: New file.
1007         * config/tilegx/mul-tables.c: New file.
1008         * config/tilegx/predicates.md: New file.
1009         * config/tilegx/sync.md: New file.
1010         * config/tilegx/t-tilegx: New file.
1011         * config/tilegx/tilegx-builtins.h: New file.
1012         * config/tilegx/tilegx-c.c: New file.
1013         * config/tilegx/tilegx-generic.md: New file.
1014         * config/tilegx/tilegx-modes.def: New file.
1015         * config/tilegx/tilegx-multiply.h: New file.
1016         * config/tilegx/tilegx-protos.h: New file.
1017         * config/tilegx/tilegx.c: New file.
1018         * config/tilegx/tilegx.h: New file.
1019         * config/tilegx/tilegx.md: New file.
1020         * config/tilegx/tilegx.opt: New file.
1021         * config/tilepro/constraints.md: New file.
1022         * config/tilepro/gen-mul-tables.cc: New file.
1023         * config/tilepro/linux.h: New file.
1024         * config/tilepro/mul-tables.c: New file.
1025         * config/tilepro/predicates.md: New file.
1026         * config/tilepro/t-tilepro: New file.
1027         * config/tilepro/tilepro-builtins.h: New file.
1028         * config/tilepro/tilepro-c.c: New file.
1029         * config/tilepro/tilepro-generic.md: New file.
1030         * config/tilepro/tilepro-modes.def: New file.
1031         * config/tilepro/tilepro-multiply.h: New file.
1032         * config/tilepro/tilepro-protos.h: New file.
1033         * config/tilepro/tilepro.c: New file.
1034         * config/tilepro/tilepro.h: New file.
1035         * config/tilepro/tilepro.md: New file.
1036         * config/tilepro/tilepro.opt: New file.
1037
1038 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1039
1040         PR tree-optimization/52210
1041         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1042         vect_model_simple_cost with two entry vect_def_type array instead
1043         of an address of dt.
1044
1045 2012-02-14  Richard Guenther  <rguenther@suse.de>
1046
1047         PR lto/52178
1048         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1049         Do not stream DECL_QUALIFIER.
1050         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1051         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1052         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1053
1054 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1055
1056         PR c/52181
1057         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1058         newdecl.
1059
1060 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1061
1062         PR bootstrap/52172
1063         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1064         * cselib.c (cselib_subst_to_values_from_insn): New function.
1065         * sched-deps.c (add_insn_mem_dependence,
1066         sched_analyze_1, sched_analyze_2): Use it.
1067
1068 2012-02-13  Jan Hubicka  <jh@suse.cz>
1069
1070         PR middle-end/52214
1071         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1072
1073 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1074
1075         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1076         (GTM_SELF_SPECS): Define if not already defined.
1077         (driver_self_specs): Add GTM_SELF_SPECS.
1078         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1079         (GTM_SELF_SPECS): Define.
1080         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1081         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1082
1083 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1084
1085         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1086         away if seen.
1087
1088         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1089
1090         PR middle-end/52230
1091         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1092         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1093
1094 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1095
1096         PR c/52190
1097         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1098
1099 2012-02-13  Richard Guenther  <rguenther@suse.de>
1100
1101         PR translation/52211
1102         * passes.c (enable_disable_pass): Fix typo.
1103
1104 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1105
1106         PR middle-end/52209
1107         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1108         XOR for reduce_bit_field if type is unsigned.
1109
1110 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1111
1112         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1113         disallow changes from SFmode to mode with different size in FP regs.
1114
1115 2012-02-12  Robert Millan  <rmh@gnu.org>
1116             Gerald Pfeifer <gerald@pfeifer.com>
1117
1118         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1119         Tweak comment.
1120
1121 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1122
1123         PR rtl-optimization/52175
1124         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1125         to frame-related instructions.
1126
1127 2012-02-10  Jason Merrill  <jason@redhat.com>
1128
1129         PR c++/51910
1130         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1131         (demangle_new_symbols): Fill it.
1132         (scan_linker_output): Walk it.
1133         (start_tweaking): Split out from scan_linker_output.
1134         (maybe_tweak): Update sym->chosen.
1135         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1136
1137 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1138
1139         PR debug/52132
1140         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1141
1142 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1143
1144         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1145         having the same mode as previous compare.
1146
1147 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1148
1149         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1150         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1151         (nonlocal_goto_internal): Likewise.
1152         (nonlocal_goto): Emit a use and an indirect jump directly.
1153
1154 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1155
1156         PR c/52190
1157         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1158         __atomic_{is,always}_lock_free.
1159
1160 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1161
1162         PR target/52146
1163         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1164         negative constant address for x32.
1165
1166 2012-02-10  Richard Henderson  <rth@redhat.com>
1167
1168         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1169         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1170         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1171
1172 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1173             Ira Rosen  <irar@il.ibm.com>
1174
1175         PR tree-optimization/50031
1176         * targhooks.c (default_builtin_vectorization_cost): Handle
1177         vec_promote_demote.
1178         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1179         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1180         all types of reduction and pattern statements.
1181         (vect_estimate_min_profitable_iters): Likewise.
1182         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1183         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1184         for explicit realigns.
1185         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1186         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1187         vec_promote_demote.
1188         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1189         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1190         vec_perm for VSX and handle vec_promote_demote.
1191
1192 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1193
1194         PR middle-end/52177
1195         * builtins.c (fold_builtin_atomic_always_lock_free,
1196         expand_builtin_atomic_always_lock_free,
1197         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1198         Return and/or test boolean_true_node/boolean_false_node instead of
1199         integer_one_node/integer_zero_node.
1200
1201 2012-02-10  Jan Hubicka  <jh@suse.cz>
1202
1203         PR middle-end/48600
1204         * predict.c (predict_paths_for_bb): Prevent looping.
1205         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1206
1207 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1208
1209         * config/arm/arm.c (output_move_double): In one case properly
1210         count number of instructions that will be emitted.
1211
1212 2012-02-10  Richard Guenther  <rguenther@suse.de>
1213
1214         PR translation/52193
1215         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1216
1217 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1218
1219         PR middle-end/52140
1220         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1221
1222 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1223
1224         PR debug/52165
1225         * var-tracking.c (emit_note_insn_var_location): If
1226         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1227         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1228         non-NOTE_DURING_CALL_P insn.
1229
1230 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1231
1232         PR middle-end/51867
1233         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1234
1235 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1236
1237         PR driver/48524
1238         * gcc.c (switch_matches) Support switches with separated form,
1239         -D and -U.
1240
1241 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1242
1243         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1244         (SP_ADDR): Ditto.
1245         (RAMPZ_ADDR): Ditto.
1246         * config/avr/avr.c (avr_addr_t): New typedef.
1247         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1248         (avr_init_expanders): Initialize it.
1249         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1250         SREG_ADDR.
1251         (expand_epilogue): Ditto.
1252         (avr_print_operand): Ditto.
1253         (avr_file_start): Ditto.
1254         (avr_emit_movmemhi): Ditto.
1255
1256 2012-02-08  Richard Guenther  <rguenther@suse.de>
1257
1258         PR tree-optimization/46886
1259         * tree-flow.h (do_while_loop_p): Declare.
1260         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1261         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1262
1263 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1264
1265         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1266         always succeed for integers larger than a native word.
1267
1268 2012-02-08  Richard Guenther  <rguenther@suse.de>
1269
1270         PR rtl-optimization/52170
1271         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1272         properly handle integer vector modes.
1273
1274 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1275
1276         PR gcov-profile/52150
1277         * coverage.c: Include target.h.
1278         (build_var): Call targetm.strip_name_encoding on the assembler name.
1279         Change one _ into . or $ if the target allows it.
1280         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1281
1282         PR rtl-optimization/52139
1283         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1284         is a BARRIER after emit_insn_after_noloc, move BB_END
1285         to the last non-BARRIER insn before it.
1286
1287 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1288
1289         PR middle-end/24306
1290         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1291         (mips_gimplify_va_arg_expr): Call it instead of
1292         std_gimplify_va_arg_expr.
1293
1294 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1295
1296         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1297         message for -mno-pointers-to-nested-function.
1298
1299 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1300
1301         PR middle-end/51994
1302         * expr.c (get_inner_reference): If there is an offset, add a negative
1303         bit position to it (if any).
1304
1305 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1306
1307         PR rtl-optimization/52060
1308         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1309         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1310         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1311         and/or i0src_copy2 when needed.
1312
1313 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1314
1315         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1316         or LTOPLUGINSONAME if have_c.
1317
1318         * config/freebsd-spec.h: Add comment about what macros can be defined
1319         in this header.
1320         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1321         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1322         here instead.
1323
1324 2012-02-07  Richard Guenther  <rguenther@suse.de>
1325
1326         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1327         newline in -alias dumps.
1328
1329 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1330             Dave Korn  <dave.korn.cygwin@gmail.com>
1331
1332         PR target/40068
1333         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1334         Take care that typinfo gets dllexport-attribute.
1335
1336 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1337
1338         PR middle-end/52074
1339         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1340         if modifier < EXPAND_SUM call force_operand on the result.
1341
1342 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1343
1344         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1345         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1346         present.
1347         (epiphany_function_type): Replace types for specific interrupts with
1348         EPIPHANY_FUNCTION_INTERRUPT.
1349         (EPIPHANY_INTERRUPT_P): Update.
1350         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1351         New static function.
1352         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1353         <disinterrupt>: Affects type identity.
1354         (epiphany_handle_interrupt_attribute): Handle variable number of
1355         arguments.
1356         (epiphany_compute_function_type): Update for new
1357         epiphany_function_type definition.
1358         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1359         handlers with a longcall forwarder.
1360         (epiphany_start_function): Handle multiple interrupt arguments and/or
1361         forwarder_section attribute.
1362
1363         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1364         libgloss.
1365
1366 2012-02-07  Alan Modra  <amodra@gmail.com>
1367
1368         PR target/52107
1369         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1370         subregs of TFmode.
1371
1372 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1373
1374         PR tree-optimization/50969
1375         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1376         use vec_perm rather than vector_stmt.
1377         (vect_model_load_cost): Likewise.
1378         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1379         vec_perm to be the same as other vector statements.
1380         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1381         cost of vec_perm for TARGET_VSX.
1382
1383 2012-02-06  Richard Guenther  <rguenther@suse.de>
1384
1385         PR tree-optimization/52115
1386         * tree-sra.c (access_has_replacements_p): New function.
1387         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1388
1389 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1390
1391         PR middle-end/52047
1392         * trans-mem.c (expand_call_tm): Add an assertion.
1393         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1394         functions.
1395
1396 2012-02-06  Richard Guenther  <rguenther@suse.de>
1397
1398         PR tree-optimization/50955
1399         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1400         raise cost of expressions that replace an address with an
1401         expression based on a different pointer.
1402
1403 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1404
1405         PR target/52129
1406         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1407         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1408
1409 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1410
1411         PR c++/48680
1412         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1413         -Weffc++ and specify guidelines come from second edition.
1414
1415 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1416
1417         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1418         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1419         (call_direct_split, call_value_split, call_value_internal_direct)
1420         (call_value_direct_split, call_value_multiple_split): Use jal and
1421         jal_macro attributes.
1422
1423 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1424
1425         * reload1.c (reload_regs_reach_end_p): Replace with...
1426         (reload_reg_rtx_reaches_end_p): ...this function.
1427         (new_spill_reg_store): Update commentary.
1428         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1429         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1430         before setting new_spill_reg_store.
1431         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1432         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1433         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1434         for non-spill reload registers.
1435
1436 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1437
1438         PR tree-optimization/52091
1439         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1440         (vect_is_simple_use_1): Likewise.
1441         * tree-vect-loop.c (vectorizable_reduction): Update calls
1442         to vect_is_simple_use_1 and vect_is_simple_use.
1443         (vectorizable_live_operation): Likewise.
1444         * tree-vect-patterns.c (widened_name_p,
1445         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1446         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1447         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1448         vectorizable_shift,vectorizable_operation, vectorizable_store,
1449         vectorizable_load): Likewise.
1450         (vect_is_simple_cond): Add an argument, pass it to
1451         vect_is_simple_use_1.
1452         (vectorizable_condition): Update calls to vect_is_simple_cond,
1453         vect_is_simple_use.
1454         (vect_is_simple_use): Add an argument, the statement in which
1455         OPERAND is used.  Check that if OPERAND's def stmt is a double
1456         reduction phi node, the use is a phi node too.
1457         (vect_is_simple_use_1): Add an argument, pass it to
1458         vect_is_simple_use.
1459         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1460         to vect_is_simple_use.
1461
1462 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1463
1464         PR rtl-optimization/52095
1465         * modulo-sched.c (dump_insn_locator): New function.
1466         (loop_canon_p, sms_schedule): Use it.
1467
1468         PR rtl-optimization/52113
1469         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1470         even for decomposable shift/zext insns.
1471
1472 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1473             Zdenek Dvorak  <ook@ucw.cz>
1474
1475         PR rtl-optimization/52092
1476         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1477         on get_iv_value result.
1478
1479 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1480
1481         PR middle-end/47982
1482         PR middle-end/43967
1483         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1484
1485 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1486
1487         PR middle-end/48071
1488         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1489
1490 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1491
1492         PR rtl-optimization/49800
1493         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1494         (sched_finish): Call regstat_free_n_sets_and_refs.
1495
1496 2012-02-02  Jia Liu  <proljc@gmail.com>
1497
1498         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1499         than operand 2.
1500
1501 2012-02-02  Jan Hubicka  <jh@suse.cz>
1502             Tom de Vries  <tom@codesourcery.com>
1503
1504         PR middle-end/51998
1505         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1506         * varpool.c (varpool_analyze_pending_decls): Likewise.
1507
1508 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1509             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1510
1511         * config.gcc: Add cr16-* support.
1512
1513         * doc/extend.texi: Document cr16 extensions.
1514         * doc/install.texi: Document cr16 install.
1515         * doc/invoke.texi: Document cr16 options.
1516         * doc/md.texi: Document cr16 constraints.
1517
1518         * common/config/cr16/cr16-common.c: New file.
1519         * config/cr16/cr16.c: New file.
1520         * config/cr16/cr16.h: New file.
1521         * config/cr16/cr16.md: New file.
1522         * config/cr16/cr16.opt: New file.
1523         * config/cr16/cr16-protos.h: New file.
1524         * config/cr16/predicates.md: New file.
1525         * config/cr16/constraints.md: New file.
1526         * config/cr16/t-cr16: New file.
1527
1528 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1529
1530         PR target/52086
1531         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1532         that operands[2] is either immediate, or q_regs_operand.
1533
1534         PR tree-optimization/52073
1535         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1536         a pattern stmt for pattern uses, ignore uses outside of the loop.
1537
1538 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1539
1540         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1541         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1542         (OUT_AS1, OUT_AS2): Remove.
1543
1544 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1545
1546         PR rtl-optimization/51374
1547         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1548         to cross other volatile_refs_p insns.
1549
1550 2012-02-01  Richard Guenther  <rguenther@suse.de>
1551
1552         * doc/invoke.texi (fno-inline): Clarify documentation.
1553         (finline-small-functions): Likewise.
1554         (finline-functions): Likewise.
1555         * common.opt (finline): Adjust comment and documentation.
1556         (finline-small-functions): Clarify documentation.
1557         (finline-functions): Likewise.
1558         (finline-functions-called-once): Likewise.
1559
1560 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1561
1562         * c-typeck.c (composite_type): Keep mode for pointers.
1563
1564 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1565
1566         * function.h (regno_reg_rtx): Adjust comment.
1567         * reginfo.c (init_reg_modes_target): Only use the previous mode
1568         if it fits within one register.  Remove MIPS comment.
1569
1570 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1571
1572         PR bootstrap/52058
1573         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1574
1575 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1576
1577         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1578         to srak instruction.
1579
1580 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1581
1582         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1583
1584 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1585
1586         PR bootstrap/52041
1587         PR bootstrap/52039
1588         PR target/51974
1589         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1590
1591 2012-01-31  Richard Guenther  <rguenther@suse.de>
1592
1593         PR tree-optimization/51528
1594         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1595         assigns.
1596
1597 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1598
1599         PR bootstrap/52041
1600         PR bootstrap/52039
1601         PR target/51974
1602         * ree.c (add_removable_extension): Change def_map argument
1603         to unsigned *, store in def_map 1 + offset into *insn_list vector
1604         instead of pointers into the vector.
1605         (find_removable_extensions): Adjust caller.
1606
1607 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1608
1609         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1610         Transform all "* quoted-c-code" to { c-code }.
1611         Remove redundant test for "optimize" in combine patterns.
1612         Move (include "avr-dimode.md") to end of file.
1613
1614 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1615
1616         PR target/51835
1617         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1618         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1619
1620 2012-01-30  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/52028
1623         * tree-loop-distribution.c (ldist_gen): Properly update
1624         virtual SSA form.
1625
1626 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR debug/52027
1629         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1630         set_cur_line_info_table if not emitting debug info.
1631
1632         PR tree-optimization/52046
1633         * tree-vect-patterns.c (check_bool_pattern): Give up if
1634         a comparison could throw.
1635
1636         PR debug/52048
1637         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1638
1639 2012-01-30  Richard Guenther  <rguenther@suse.de>
1640
1641         PR tree-optimization/52045
1642         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1643         SSA form if cfgcleanup did anything.
1644
1645 2012-01-30  Richard Guenther  <rguenther@suse.de>
1646
1647         PR tree-optimization/52045
1648         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1649         before computing final todo.
1650
1651 2012-01-30  Richard Guenther  <rguenther@suse.de>
1652
1653         PR tree-optimization/51528
1654         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1655         for PR51528 fix.
1656
1657 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1658
1659         * df-problems.c (df_kill_notes): Check that the use refers
1660         to the note under examination.
1661
1662 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1663
1664         PR target/51920
1665         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1666         parameter and use short-lived pseudos.
1667         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1668         (sparc_expand_vector_init): Const-ify local variables and adjust
1669         calls to above functions.
1670
1671 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1672
1673         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1674
1675 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1676
1677         * doc/invoke.texi: Make usage of "compile time" and
1678         "run time"/"runtime" consistent throughout the file.
1679
1680 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1681
1682         * config/alpha/alpha.c (alpha_option_override): Default to
1683         full IEEE compliance mode for Go language.
1684
1685 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1686
1687         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1688         (LINK_SSP_SPEC): Define.
1689
1690 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1691
1692         PR target/51871
1693         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1694         stubs.
1695
1696 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1697
1698         * doc/invoke.texi: Correct hyphenation of "floating point",
1699         "double precision", and related terminology throughout the file.
1700
1701 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1702
1703         PR target/52006
1704         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1705         arm_general_register_operand predicate for operand 2 instead of
1706         register_operand.
1707
1708 2012-01-27  Ian Lance Taylor  <iant@google.com>
1709
1710         PR go/47656
1711         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1712         * builtins.c (expand_builtin_init_trampoline): Add onstack
1713         parameter.  Change caller.
1714         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1715         * tree.c (build_common_builtin_nodes): Declare
1716         __builtin_init_heap_trampoline.
1717
1718 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1719
1720         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1721         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1722         * config/avr/avr.c: Ditto.
1723         (avr_regnames): Remove because unused.
1724         * config/avr/avr.md (*cpse.ne): New peephole.
1725         (*cpse.eq): New peephole from former cpse peepholes.
1726
1727 2012-01-27  Michael Eager  <eager@eagercon.com>
1728
1729         * config/microblaze.c (microblaze_emit_compare): Correct
1730         test after pcmp instruction.
1731
1732 2012-01-27  Richard Guenther  <rguenther@suse.de>
1733
1734         PR tree-optimization/52020
1735         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1736
1737 2012-01-27  Richard Guenther  <rguenther@suse.de>
1738
1739         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1740         function non-const/pure.
1741
1742 2012-01-27  Richard Guenther  <rguenther@suse.de>
1743
1744         PR tree-optimization/50444
1745         * tree-sra.c (build_ref_for_offset): Properly adjust the
1746         MEM_REF type for unaligned accesses.
1747
1748 2012-01-27  Richard Guenther  <rguenther@suse.de>
1749
1750         PR tree-optimization/50444
1751         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1752         (expand_assignment): Use it.  Properly handle misaligned
1753         bases when expanding stores to component references.
1754         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1755         refactor that case.
1756
1757 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1758
1759         PR middle-end/51389
1760         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1761         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1762         * tree-data-ref.c (find_data_references_in_loop): Make static.
1763         (compute_all_dependences): Change return type to bool.  Bail out
1764         for too many datarefs in a loop.  Move the hunk resetting the data
1765         dependences vector from ...
1766         (compute_data_dependences_for_loop): ... here.  Account for
1767         compute_all_dependences returning false.
1768         (compute_data_dependences_for_bb): Likewise.
1769         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1770         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1771
1772 2012-01-27  Richard Guenther  <rguenther@suse.de>
1773
1774         PR middle-end/51959
1775         * expr.c (store_field): Use the alias-set of the scratch memory
1776         for storing to it.
1777
1778 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1779
1780         PR tree-optimization/51990
1781         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1782         WITH_SIZE_EXPR.
1783         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1784
1785 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1786
1787         PR debug/52001
1788         * var-tracking.c (reverse_op): Don't add any reverse operation
1789         if V already has any constant locations.
1790
1791 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1792
1793         * doc/invoke.texi: Correct usage of "command line" (noun)
1794         vs "command-line" (adjective) throughout.
1795
1796 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1797
1798         * doc/invoke.texi (Language Independent Options): Move
1799         -Wcoverage-mismatch blurb from here....
1800         (Warning Options): ...to here.
1801
1802 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1803
1804         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1805         Set rs6000_always_hint to false for 476.
1806
1807 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1808
1809         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1810           system root.
1811         * incpath.c (add_standard_paths): Likewise.
1812
1813 2012-01-27  Richard Henderson  <rth@redhat.com>
1814
1815         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1816         * config/m68k/sync.md (atomic_test_and_set): Rename from
1817         sync_test_and_setqi and adjust the operands.
1818         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1819         and unconditionally enable.
1820
1821 2012-01-27  Richard Henderson  <rth@redhat.com>
1822
1823         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1824         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1825         (ldstub): Rename from ldstubqi.
1826         (ldstub<I24MODE>): Remove.
1827
1828 2012-01-27  Richard Henderson  <rth@redhat.com>
1829
1830         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1831         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1832         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1833         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1834         * doc/tm.texi: Rebuild.
1835
1836 2012-01-27  Richard Henderson  <rth@redhat.com>
1837
1838         * optabs.c (gen_atomic_test_and_set): Remove default.
1839         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1840
1841 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1842
1843         PR rtl-optimization/51978
1844         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1845         (combine_reaching_defs): Likewise.
1846         (struct re_info): Remove.
1847         (add_removable_extension): Remove x and data arguments,
1848         add insn, insn_list and def_map.  Use the arguments directly
1849         instead of using struct re_info.
1850         (find_removable_extensions): Don't call add_removable_extension
1851         through note_stores, instead just call it with single_set
1852         result if non-NULL.
1853         (find_and_remove_re): Pass curr_cand->expr instead of
1854         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1855
1856 2012-01-26  Michael Matz  <matz@suse.de>
1857
1858         PR tree-optimization/46590
1859         * cfgexpand.c: Revert last change (r183305).
1860         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1861         regs.
1862         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1863         checking for emptiness.
1864
1865 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1866
1867         PR middle-end/51895
1868         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1869         non-addressable non-BLKmode base correctly.
1870
1871 2012-01-26  Michael Matz  <matz@suse.de>
1872
1873         PR tree-optimization/48794
1874         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1875         regions referenced from RESX/EH_DISPATCH.
1876
1877 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1878
1879         * config/s390/s390.h: Make BRANCH_COST an option.
1880         * config/s390/s390.opt: New option -mbranch-cost.
1881
1882 2012-01-26  Richard Henderson  <rth@redhat.com>
1883
1884         Revert 2012-01-24 change:
1885         * trans-mem.c (requires_barrier): Do not instrument thread local
1886         variables and emit save/restore for them.
1887
1888 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR middle-end/51986
1891         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1892         for pat == 0.
1893
1894 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1895
1896         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1897         ASM_OPERANDS.
1898
1899 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1900
1901         PR target/49868
1902         Rename __pgm to __flash.
1903         Rename __pgm1 to __flash1.
1904         Rename __pgm2 to __flash2.
1905         Rename __pgm3 to __flash3.
1906         Rename __pgm4 to __flash4.
1907         Rename __pgm5 to __flash5.
1908         Rename __pgmx to __memx.
1909         * doc/extend.texi (AVR Named Address Spaces)
1910         Rename address space names as indicated above.
1911         * config/avr/avr.c (avr_addrspace): Ditto.
1912
1913         * config/avr/avr-protos.h
1914         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1915         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1916         * config/avr/predicates.md: Ditto.
1917         * config/avr/avr.c Ditto, and
1918         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1919         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1920
1921         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1922         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1923         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1924         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1925         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1926         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1927         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1928         * config/avr/avr.c: Ditto.
1929         * config/avr/avr.md: Ditto.
1930
1931 2012-01-25  Jason Merrill  <jason@redhat.com>
1932
1933         PR c++/51992
1934         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1935
1936 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR tree-optimization/51987
1939         * tree-data-ref.c (get_references_in_stmt): Handle references in
1940         non-volatile GIMPLE_ASM.
1941
1942 2012-01-25  Richard Guenther  <rguenther@suse.de>
1943
1944         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1945         bases are dereferenced.
1946
1947 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1948
1949         PR rtl-optimization/48374
1950         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1951
1952 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1953
1954         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1955         compute_data_dependences_for_loop returns false.
1956         * tree-parloops.c (loop_parallel_p): Likewise.
1957
1958 2012-01-25  Richard Guenther  <rguenther@suse.de>
1959
1960         * tree.h (get_pointer_alignment_1): Declare.
1961         * builtins.c (get_pointer_alignment_1): New function.
1962         (get_pointer_alignment): Use it.
1963
1964 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1965
1966         PR rtl-optimization/48308
1967         * combine.c (enum undo_kind): Add UNDO_LINKS.
1968         (struct undo): Add member l to other_contents and where.
1969         (do_SUBST_LINK): New.
1970         (SUBST_LINK): New.
1971         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1972         (undo_all): Handle UNDO_LINKS.
1973
1974 2012-01-25  Richard Henderson  <rth@redhat.com>
1975
1976         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1977         mem inputs.
1978
1979 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1980
1981         * optabs.c (gen_atomic_test_and_set): Use each argument.
1982
1983 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1984
1985         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1986         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1987         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1988         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1989         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1990         TARGET_PAIRED_SINGLE_FLOAT.
1991
1992 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1993
1994         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1995         (in_struct, return_val): Remove MEM documentation.
1996         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1997         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1998         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1999         and MEM_SCALAR.
2000         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2001         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2002         * expr.c (store_field): Likewise.
2003         * function.c (assign_stack_temp_for_type): Likewise.
2004         * ifcvt.c (noce_try_cmove_arith): Likewise.
2005         * reload1.c (reload): Likewise.
2006         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2007         (alpha_set_memflags): Likewise.
2008         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2009
2010 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2011
2012         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2013         parameter.
2014         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2015         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2016         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2017         varies parameter.
2018         * cselib.c (cselib_rtx_varies_p): Delete.
2019         (cselib_invalidate_mem): Update call to canon_true_dependence.
2020         * dse.c (record_store, check_mem_read_rtx): Likewise.
2021         (scan_reads_nospill): Likewise.
2022         * cse.c (check_dependence): Likewise.
2023         (cse_rtx_varies_p): Delete.
2024         * expr.c (safe_from_p): Update call to true_dependence.
2025         * ira.c (validate_equiv_mem_from_store): Likewise.
2026         (memref_referenced_p): Likewise.
2027         * postreload-gcse.c (find_mem_conflicts): Likewise.
2028         * sched-deps.c (sched_analyze_2): Likewise.
2029         * store-motion.c (load_kills_store): Likewise.
2030         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2031         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2032         (compute_transp): Update call to canon_true_dependence.
2033
2034 2012-01-25  Richard Henderson  <rth@redhat.com>
2035
2036         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2037         (maybe_emit_atomic_test_and_set): New.
2038         (expand_sync_lock_test_and_set): Use it.
2039         (expand_atomic_test_and_set): Likewise.
2040         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2041         the implementation; clarify implementation defined details.
2042         * doc/md.texi (atomic_test_and_set): Document.
2043
2044 2012-01-25  Richard Henderson  <rth@redhat.com>
2045
2046         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2047
2048 2012-01-25  Richard Henderson  <rth@redhat.com>
2049
2050         PR target/51968
2051         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2052         to effect no-op split.
2053
2054 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2055
2056         PR lto/51698
2057         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2058         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2059         (BT_FN_VOID_PTR_INT_SIZE): New.
2060         (BT_FN_UINT_UINT_VAR): Remove.
2061         (BT_FN_UINT32_UINT32_VAR): New.
2062         (BT_FN_DOUBLE_VPTR): Remove.
2063         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2064
2065         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2066         (_ITM_changeTransactionMode): Same.
2067         (_ITM_memmoveRtWt): Change return type to void.
2068         (_ITM_memcpyRtWt): Same.
2069         (_ITM_memsetW): Same.
2070         (_ITM_RaRD): Change types to double.
2071         (_ITM_RD): Same.
2072         (_ITM_RaWD): Same.
2073         (_ITM_RfWD): Same.
2074
2075         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2076
2077 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2078             Patrick Marlier  <patrick.marlier@gmail.com>
2079
2080         * trans-mem.c (requires_barrier): Do not instrument thread local
2081         variables and emit save/restore for them.
2082
2083 2012-01-24  Jason Merrill  <jason@redhat.com>
2084
2085         PR c++/51812
2086         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2087         output static aliases.
2088
2089 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2090
2091         PR driver/47249
2092         * common.opt (-pie, -shared, pie, shared): Change from Common to
2093         Driver.
2094         * gcc.c (display_help): Display help for -pie and -shared.
2095
2096 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2097
2098         PR target/49868
2099         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2100         Remove note on size/offset limitation.
2101         (AVR Variable Attributes): Add example how to read data located
2102         with progmem.  Refer to named address spaces.
2103         * doc/invoke.texi (AVR Options): Fix typo.
2104
2105 2012-01-24  Richard Guenther  <rguenther@suse.de>
2106
2107         Forward-port to trunk
2108         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2109
2110         PR middle-end/45678
2111         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2112         op0 isn't sufficiently aligned and there is movmisalignM
2113         insn for mode, use it to load op0 into a temporary register.
2114
2115 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2116
2117         PR target/51957
2118         * target.def (const_not_ok_for_debug_p): New hook.
2119         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2120         documentation.
2121         * doc/tm.texi: Regenerated.
2122         * dwarf2out.c (const_ok_for_output_1): If
2123         targetm.const_not_ok_for_debug_p returns true, fail.
2124         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2125         function.
2126         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2127
2128 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2129
2130         PR target/51900
2131         * config/i386/predicates.md (symbolic_operand): Allow
2132         UNSPEC_PCREL as PIC expression for lea.
2133         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2134         * config/i386/i386.c (ix86_delegitimize_address): Handle
2135         UNSPEC_PCREL for none-MEM, too.
2136
2137 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2138
2139         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2140         (ipa_tm_create_version_alias): Same.
2141
2142 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2143
2144         PR libitm/51830
2145         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2146         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2147
2148 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2149             Patrick Marlier  <patrick.marlier@gmail.com>
2150             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2151
2152         PR lto/51916
2153         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2154         simple_object_start_read.
2155
2156 2012-01-23  Richard Guenther  <rguenther@suse.de>
2157
2158
2159         PR tree-optimization/51895
2160         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2161         parameter decomposition into BLKmode components.
2162
2163 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2164
2165         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2166         fake variables for restrict-qualified pointers whose pointed-to type
2167         contains a placeholder.
2168
2169 2012-01-23  Richard Guenther  <rguenther@suse.de>
2170
2171         PR tree-optimization/51949
2172         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2173
2174 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2175
2176         PR rtl-optimization/51933
2177         * ree.c (transform_ifelse): Return true right away if dstreg is
2178         already wider or equal to cand->mode.
2179         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2180         (make_defs_and_copies_lists): Remove defs_list and copies_list
2181         arguments, add state argument, just truncate state->work_list
2182         instead of always allocating and freeing the vector.  Assert that
2183         get_defs succeeds instead of returning 2.  Changed return type to bool.
2184         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2185         have ext_src_mode, see if it has been modified already with the
2186         right kind of extension and has been extended before from the
2187         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2188         just return true.  Remember the original mode in state->modified array.
2189         (combine_reaching_defs): Add state argument.  Don't allocate and
2190         free here def_list, copied_list and vec vectors, instead just
2191         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2192         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2193         Add state variable, clear vectors in it, initialize state.modified
2194         if needed.  Free all the vectors at the end and state.modified too.
2195         Don't skip a candidate if the extension expression has been modified.
2196
2197 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2198
2199         PR target/47096
2200         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2201          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2202         (extra_options) interix.opt -> i386/interix.opt"
2203         (extra_objs):Add winnt-stubs.o
2204         * configure.ac: Add interix to target_os .comm on PE check.
2205         * configure: Regenerate.
2206         * config/interix3.h: Delete and move bits to..
2207         * config/interix.h: Delete and move bits to..
2208         * config/i386/i386-interix3.h: Delete and move bits to..
2209         * config/i386/i386-interix.h: ..here.
2210         (TARGET_CPU_DEFAULT): Remove redefinition.
2211         (TARGET_ASM_CONSTRUCTOR): Undefine.
2212         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2213         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2214         (PTRDIFF_TYPE): Define.
2215         (LONG_DOUBLE_TYPE_SIZE): Define.
2216         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2217         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2218         (TARGET_SECTION_TYPE_FLAGS): Define.
2219         (ASM_DECLARE_FUNCTION_NAME): Define.
2220         (ASM_OUTPUT_EXTERNAL): Define.
2221         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2222         (ASM_OUTPUT_ALIGNED_BSS): Define.
2223         (PCC_BITFIELD_TYPE_MATTERS): Define.
2224         (USE_CONST_SECTION): Define.
2225         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2226         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2227         (SUPPORTS_ONE_ONLY): Remove.
2228         (I386_PE_STRIP_ENCODING): Define.
2229         * config/interix.opt: Delete and move bits to..
2230         * config/i386/interix.opt: ..here. New.
2231         (mpe-aligned-commons): Add.
2232         * config/i386/t-interix: Add copyright header.
2233         (winnt-stubs.o): Add rule.
2234
2235 2012-01-22  Jason Merrill  <jason@redhat.com>
2236
2237         PR c++/51832
2238         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2239         for extra name aliases.
2240
2241 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2242
2243         PR rtl-optimization/51924
2244         * ree.c (combine_set_extension): Improve debugging message.
2245         (combine_reaching_defs): Likewise.
2246         (get_defs): Rename confusingly named variable.
2247         (find_and_remove_re): Skip a candidate if the extension expression has
2248         been modified.
2249
2250 2012-01-21  Robert Millan  <rmh@gnu.org>
2251             Gerald Pfeifer  <gerald@pfeifer.com>
2252
2253         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2254         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2255
2256 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2257
2258         PR tree-optimization/51914
2259         * tree-vect-stmts.c (vectorizable_conversion): For
2260         cvt_type && modifier == WIDEN, put temporary with cvt_type
2261         at the beginning of vec_dsts and set vec_dest to temporary
2262         with vectype_out.
2263
2264 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2265
2266         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2267
2268 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2269
2270         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2271         * config/rs6000/rs6000.c: Likewise.
2272
2273 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2274
2275         PR target/51915
2276         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2277         output_move_double on a copy of operands array.
2278
2279 2012-01-20  Cary Coutant  <ccoutant@google.com>
2280             Dodji Seketeli  <dodji@redhat.com>
2281
2282         PR debug/45682
2283         * dwarf2out.c (copy_declaration_context): Return ref to parent
2284         of declaration DIE, if necessary.
2285         (remove_child_or_replace_with_skeleton): Add new parameter; update
2286         caller.  Place skeleton DIE under parent DIE of original declaration.
2287         Move call to copy_declaration_context to here ...
2288         (break_out_comdat_types): ... from here.
2289
2290 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2291
2292         PR rtl-optimization/51856
2293         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2294         flag to reloaded.
2295
2296 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2297
2298         PR target/51819
2299         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2300         hints for neon loads and stores.
2301
2302 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2303
2304         PR target/49868
2305         PR target/50887
2306         * doc/extend.texi (Named Address Spaces): Split into subsections.
2307         (AVR Named Address Spaces): New subsection.
2308         (M32C Named Address Spaces): New subsection.
2309         (RL78 Named Address Spaces): New subsection.
2310         (SPU Named Address Spaces): New subsection.
2311         (Variable Attributes): New anchor "AVR Variable Attributes".
2312         (AVR Variable Attributes): Rewrite and avoid wording
2313         "address space" in this context.
2314         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2315         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2316         (AVR Built-in Macros): New subsubsection therein.
2317         * doc/md.texi (AVR constraints): Remove "C04", "R".
2318
2319 2012-01-20  Richard Guenther  <rguenther@suse.de>
2320
2321         PR tree-optimization/51903
2322         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2323         when removing stmts.
2324
2325 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2326
2327         PR target/50313
2328         * config/arm/arm.c (arm_load_pic_register): Use
2329         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2330         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2331         (arm_pic_static_addr): Likewise.
2332         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2333         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2334         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2335         (pic_load_addr_unified): New.
2336
2337 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2338
2339         PR target/51106
2340         * function.c (instantiate_virtual_regs_in_insn): Use
2341         delete_insn_and_edges when removing a wrong asm insn.
2342
2343 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2344
2345         PR rtl-optimization/40761
2346         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2347         Add new member loop_num.
2348         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2349         (ira_build): Remove the parameter.
2350
2351         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2352         (ira.c): Do not build CFG loops for one region allocation.  Remove
2353         argument from ira_build call.
2354
2355         * ira-build.c (init_loop_tree_node): New function.
2356         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2357         loops are not built.
2358         (more_one_region_p): Check current_loops.
2359         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2360         built.
2361         (add_loop_to_tree): Process loop equal to NULL too.
2362         (form_loop_tree): Separate the case when CFG loops are not built.
2363         Use explicitly number for the root.
2364         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2365         an assertion.
2366         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2367         instead of loop->num.
2368         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2369         (mark_all_loops_for_removal): Ditto.
2370         (remove_unnecessary_regions): Separate the case when CFG loops
2371         are not built.
2372         (ira_build): Remove the parameter.  Use explicit number of regions
2373         when CFG loops are not built.
2374
2375         * ira-color.c (print_loop_title): Separate the case for the root node.
2376         Use loop_num instead of loop->num.
2377         (move_spill_restore): Use loop_num instead of loop->num.
2378
2379         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2380         (change_loop): Ditto.
2381         (change_loop): Use loop_num instead of loop->num.
2382
2383         * ira-lives.c (process_bb_node_lives): Ditto.
2384
2385         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2386
2387         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2388
2389 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2390
2391         PR libmudflap/40778
2392         * tree-mudflap.c (mf_artificial): New function.
2393         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2394         mx_register_decls, mudflap_enqueue_decl): Use it.
2395
2396         PR target/51876
2397         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2398         numbers in the insn pattern.
2399
2400 2012-01-19  Michael Matz  <matz@suse.de>
2401
2402         PR tree-optimization/46590
2403         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2404         use it in remembering which conflicts we already created.
2405         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2406         bitmap.
2407
2408 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2409
2410         PR lto/51280
2411         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2412         (merge_and_complain): Same.
2413
2414 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2415
2416         PR bootstrap/50237
2417         * config/initfini-array.h: Guard content of the header
2418         with #ifdef HAVE_INITFINI_ARRAY.
2419         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2420         Add initfini-array.h to tm_file here.
2421         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2422         * config.gcc: Don't add initfini-array.h to tm_file here.
2423         * configure: Regenerated.
2424
2425 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2426
2427         PR rtl-optimization/51505
2428         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2429         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2430         (df_note_bb_compute): Update the call to df_kill_notes.
2431
2432 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2433
2434         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2435
2436 2012-01-18  Richard Guenther  <rguenther@suse.de>
2437
2438         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2439         of conversions to void *.
2440
2441 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2442             Richard Sandiford  <rdsandiford@googlemail.com>
2443
2444         PR middle-end/50325
2445         PR middle-end/51192
2446         * optabs.h (simplify_expand_binop): Declare.
2447         * optabs.c (simplify_expand_binop): Make global.
2448         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2449         endian targets if the source cannot be exactly covered by word
2450         mode chunks.
2451
2452 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2453
2454         PR bootstrap/51872
2455         * hard-reg-set.h (struct hard_reg_set_container): New type.
2456         * target.h (struct hard_reg_set_container): Forward declare.
2457         * target.def (set_up_by_prologue): New target hook.
2458         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2459         * doc/tm.texi: Regenerated.
2460         * function.c (thread_prologue_and_epilogue_insns): Change
2461         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2462         Call targetm.set_up_by_prologue on it.
2463         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2464         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2465
2466 2012-01-17  Nick Clifton  <nickc@redhat.com>
2467
2468         * config/rx/rx.c (rx_can_use_simple_return): New function.
2469         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2470         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2471
2472 2012-01-17  Richard Guenther  <rguenther@suse.de>
2473
2474         PR middle-end/51782
2475         * expr.c (expand_assignment): Take address-space information
2476         from the address operand of MEM_REF and TARGET_MEM_REF.
2477         (expand_expr_real_1): Likewise.
2478
2479 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2480
2481         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2482         reload dump is requested.
2483
2484 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2485
2486         PR other/51165
2487         * trans-mem.c (requires_barrier): Call may_be_aliased.
2488
2489 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2490
2491         PR tree-optimization/51877
2492         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2493         call arguments and fndecls compare equal, instead return false if they
2494         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2495         both SSA_NAMEs that are valueized the same, or they satisfy
2496         operand_equal_p.
2497
2498 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2499
2500         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2501         Solaris 11+.
2502         * configure: Regenerate.
2503
2504 2012-01-16  Jan Hubicka  <jh@suse.cz>
2505
2506         PR c/12245
2507         PR c++/14179
2508         * convert.c (convert_to_integer): Use fold_convert for
2509         converting an INTEGER_CST to integer type.
2510
2511 2012-01-16  Jason Merrill  <jason@redhat.com>
2512
2513         PR c++/14179
2514         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2515
2516 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2517
2518         PR bootstrap/51860
2519         * config/s390/s390.c (s390_chunkify_start): Don't skip
2520         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2521         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2522         If insn is followed by NOTE_INSN_VAR_LOCATION or
2523         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2524         Don't use location of note insns.
2525
2526         PR tree-optimization/51865
2527         * tree-inline.c (tree_function_versioning): Call remap_decl
2528         on DECL_RESULT whenever it has VOID_TYPE_P type.
2529
2530 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2531
2532         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2533         for calls to locally-binding MIPS16 functions if only the return
2534         type uses float regs.
2535
2536 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2537             Richard Sandiford  <rdsandiford@googlemail.com>
2538
2539         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2540         (SYMBOL_32_HIGH): Likewise.
2541         (mips_output_tls_reloc_directive): Declare.
2542         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2543         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2544         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2545         (mips_lo_relocs, mips_hi_relocs): Make extern.
2546         (mips16_stub_function): Move up file.
2547         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2548         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2549         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2550         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2551         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2552         (mips_get_tp): Add MIPS16 support.
2553         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2554         Generalize DTPREL and TPREL handling.
2555         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2556         Add MIPS16 TLS support.
2557         (mips_output_tls_reloc_directive): New function.
2558         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2559         * config/mips/predicates.md (symbolic_operand_with_high)
2560         (tls_reloc_operand): New predicates.
2561         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2562         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2563         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2564         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2565         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2566         (*tls_get_tp_mips16_call_<mode>): Likewise.
2567
2568 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2569
2570         PR rtl-optimization/51821
2571         * recog.c (peep2_find_free_register): Determine clobbered registers
2572         from insn pattern.
2573
2574 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2575
2576         PR target/50925
2577         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2578         * config/avr/avr.c: Likewise.
2579         * config/avr/avr.h: Likewise.
2580
2581 2012-01-13  Ian Lance Taylor  <iant@google.com>
2582
2583         PR c++/50012
2584         * tree.h (TYPE_QUALS): Add cast to int.
2585         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2586
2587 2012-01-13  Ian Lance Taylor  <iant@google.com>
2588
2589         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2590         comparing param_index to VEC_length result.
2591
2592 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2593
2594         * c-decl.c: Do not include tree-mudflap.h
2595         * tree-optimize.c: Likewise.
2596         * Makefile.in: Update dependencies.
2597
2598 2012-01-13  Richard Guenther  <rguenther@suse.de>
2599
2600         PR middle-end/8081
2601         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2602         variable-sized result always use RSO.
2603
2604 2012-01-12  DJ Delorie  <dj@redhat.com>
2605
2606         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2607         pointer type, not just the default pointer type.
2608
2609 2012-01-09  Richard Henderson  <rth@redhat.com>
2610             Denis Chertykov  <chertykov@gmail.com>
2611
2612         PR target/50925
2613         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2614         * config/avr/avr.c (avr_can_eliminate): Simplify.
2615         (avr_initial_elimination_offset): Likewise.
2616         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2617         (expand_epilogue): Likewise.
2618         (avr_legitimize_address): Gut.
2619         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2620         (avr_hard_regno_nregs): New.
2621         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2622         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2623         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2624         add soft frame pointer.
2625         (CALL_USED_REGISTERS): Likewise.
2626         (REG_CLASS_CONTENTS): Likewise.
2627         (REGISTER_NAMES): Likewise.
2628         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2629         (HARD_FRAME_POINTER_REGNUM): New.
2630         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2631         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2632         remove the HARD_FRAME_POINTER self-elimination.
2633
2634 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2635
2636         PR target/51756
2637         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2638         DECL_EXTERNAL when checking for initializers of progmem variables.
2639
2640 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2641
2642         PR tree-optimization/51799
2643         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2644         that the last operation is a type demotion.
2645
2646 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2647
2648         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2649         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2650
2651 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2652
2653         PR bootstrap/51796
2654         * combine.c (distribute_notes): If i3 is a noreturn call,
2655         allow old_size to be equal to args_size and make sure the
2656         noreturn call gets REG_ARGS_SIZE note.
2657         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2658         on noreturn calls even when the delta is 0.
2659
2660 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2661
2662         * gcov.c (STRING_SIZE): Remove.
2663         (generate_results): Erase annotations for source files with no
2664         coverage information.
2665         (read_line): New.
2666         (output_lines): Use it.
2667
2668 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2669
2670         * gimple.h (gimplify_body): Remove first argument.
2671         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2672         pointer set here, instead just pass DATA to walk_tree.
2673         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2674         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2675         (unvisit_body): Likewise, but with unmark_visited.
2676         (gimplify_body): Remove BODY_P argument and adjust.
2677         (gimplify_function_tree): Adjust call to gimplify_body.
2678         * omp-low.c (finalize_task_copyfn): Likewise.
2679
2680 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2681
2682         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2683         (build_function_type_skip_args): Delete.
2684         * tree.c (build_function_type_skip_args): Make static and add
2685         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2686         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2687         pass it to build_function_type_skip_args.
2688         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2689         (tree_function_versioning): Likewise.
2690         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2691         build_function_decl_skip_args.
2692         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2693         and pass it to build_function_decl_skip_args/tree_function_versioning.
2694         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2695         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2696         * trans-mem.c (ipa_tm_create_version): Likewise.
2697         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2698         * tree-inline.c (declare_return_variable): Remove always-true test.
2699         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2700         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2701         * ipa-split.c (split_function): Skip the return value for the split
2702         part if it doesn't return.
2703
2704 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2705
2706         PR tree-optimization/49642
2707         * ipa-split.c (forbidden_dominators): New variable.
2708         (check_forbidden_calls): New function.
2709         (dominated_by_forbidden): Likewise.
2710         (consider_split): Check for forbidden dominators.
2711         (execute_split_functions): Initialize and free forbidden
2712         dominators info; call check_forbidden_calls.
2713
2714 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2715
2716         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2717
2718 2012-01-11  Nick Clifton  <nickc@redhat.com>
2719
2720         * config/rx/rx.md (return): Define pattern.
2721
2722 2012-01-11  Richard Guenther  <rguenther@suse.de>
2723
2724         * doc/extend.texi (malloc attribute): Adjust according to
2725         implementation.
2726
2727 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2728             Patrick Marlier  <patrick.marlier@gmail.com>
2729
2730         PR middle-end/51516
2731         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2732         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2733         (ipa_tm_note_irrevocable): Same.
2734         (ipa_tm_scan_irr_block): Same.
2735         (ipa_tm_decrement_clone_counts): Same.
2736         (ipa_tm_scan_irr_function): Same.
2737         (ipa_tm_create_version_alias): Same.
2738         (ipa_tm_create_version): Same.
2739         (ipa_tm_transform_calls_redirect): Same.
2740         (ipa_tm_transform_calls): Same.
2741         (ipa_tm_transform_transaction): Same.
2742         (ipa_tm_execute): Same.
2743
2744 2012-01-10  Richard Guenther  <rguenther@suse.de>
2745
2746         PR middle-end/51806
2747         * opts.c (common_handle_option): Handle -Werror.
2748
2749 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2750
2751         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2752         operand number.
2753
2754 2012-01-10  Jason Merrill  <jason@redhat.com>
2755
2756         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2757         information.
2758
2759 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2760
2761         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2762         supports R_386_TLS_GD_PLT reloc.
2763         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2764         supports R_386_TLS_LDM_PLT reloc.
2765         * configure: Regenerate.
2766         * config.in: Regenerate.
2767
2768 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2769
2770         PR target/49868
2771         Extend __pgmx semantics to linearize memory.
2772         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2773         determine if code comes inline or from libgcc.
2774         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2775         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2776         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2777         (movmemx_qi, movmemx_hi): New insns.
2778         (xload_<mode>_libgcc): Rewrite to new insn condition.
2779         (xload_<mode>): Remove insns.
2780         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2781         cases that don't satisfy avr_xload_libgcc_p().
2782         (avr_addr_space_convert): Allow converting in any direction.
2783         (avr_addr_space_subset_p): Return always true.
2784         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2785         (avr_emit_movmemhi): Ditto.
2786         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2787         (avr_out_movmem): Ditto.
2788         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2789         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2790         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2791         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2792         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2793
2794 2012-01-10  Richard Guenther  <rguenther@suse.de>
2795
2796         PR tree-optimization/50913
2797         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2798         Require data-refs to be representable by Graphite with respect
2799         to any loop nest.
2800
2801 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2802
2803         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2804         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2805
2806 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2807
2808         PR rtl-optimization/51271
2809         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2810         handling annulled branch.
2811
2812 2012-01-10  Richard Henderson  <rth@redhat.com>
2813
2814         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2815         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2816         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2817         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2818         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2819         arm_expand_vec_perm_const): New.
2820         * config/arm/arm-protos.h: Update.
2821         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2822         (*neon_vswp<VDQX>): New.
2823         (neon_vcombine<VDX>): Use neon_split_vcombine.
2824         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2825         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2826         (vec_perm<VE>): New.
2827
2828 2012-01-10  Richard Henderson  <rth@redhat.com>
2829
2830         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2831         use it if reload_completed.
2832         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2833         arm_output_asm_insn, arm_process_output_memory_barrier,
2834         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2835         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2836         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2837         arm_process_output_sync_insn, arm_output_sync_insn,
2838         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2839         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2840         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2841         (emit_unlikely_jump): New.
2842         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2843         (arm_split_atomic_op): New.
2844         * config/arm/arm-protos.h: Update.
2845         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2846         (struct arm_sync_generator): Remove.
2847         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2848         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2849         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2850         (VUNSPEC_LL, VUNSPEC_SC): New.
2851         (sync_result, sync_memory, sync_required_value, sync_new_value,
2852         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2853         (attr length): Don't use arm_sync_loop_insns.
2854         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2855         (movsfcc, movdfcc): Likewise.
2856         * config/arm/constraints.md (Ua): New.
2857         * config/arm/prediates.md (mem_noofs_operand): New.
2858         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2859         (sync_clobber, sync_t2_reqd): Remove.
2860         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2861         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2862         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2863         (arm_sync_compare_and_swap<SIDI>): Remove.
2864         (arm_sync_compare_and_swap<NARROW>): Remove.
2865         (arm_sync_lock_test_and_set<SIDI>): Remove.
2866         (arm_sync_lock_test_and_set<NARROW>): Remove.
2867         (arm_sync_new_<syncop><SIDI>): Remove.
2868         (arm_sync_new_<syncop><NARROW>): Remove.
2869         (arm_sync_new_nand<SIDI>): Remove.
2870         (arm_sync_new_nand<NARROW>): Remove.
2871         (arm_sync_old_<syncop><SIDI>): Remove.
2872         (arm_sync_old_<syncop><NARROW>): Remove.
2873         (arm_sync_old_nand<SIDI>): Remove.
2874         (arm_sync_old_nand<NARROW>): Remove.
2875         (*memory_barrier): Merge arm_output_memory_barrier.
2876         (atomic_compare_and_swap<QHSD>): New.
2877         (atomic_compare_and_swap<NARROW>_1): New.
2878         (atomic_compare_and_swap<SIDI>_1): New.
2879         (atomic_exchange<QHSD>): New.
2880         (cas_cmp_operand, cas_cmp_str): New.
2881         (atomic_op_operand, atomic_op_str): New.
2882         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2883         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2884         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2885         (arm_load_exclusive<NARROW>): New.
2886         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2887         (arm_store_exclusive<QHSD>): New.
2888
2889 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2890
2891         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2892         reload patterns if -mvsx-scalar-memory.
2893
2894         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2895         generated, even -mno-vsx-scalar-double was used.
2896         (vsx_xscvdpsp_scalar): Likewise.
2897         (vsx_xscvspdp_scalar2): Likewise.
2898
2899 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2900             Andrew Pinski  <apinski@cavium.com>
2901
2902         PR debug/51471
2903         * reorg.c (fill_slots_from_thread): Don't speculate
2904         frame-related insns.
2905
2906 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2907
2908         * sched-int.h (bb_note): Move to...
2909         * basic-block.h: ...here.
2910         * haifa-sched.c (bb_note): Move to...
2911         * cfgrtl.c: ...here.
2912         * function.c (next_block_for_reg): New function.
2913         (move_insn_for_shrink_wrap): Likewise.
2914         (prepare_shrink_wrap): Rewrite to use the above.
2915
2916 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2917
2918         * gimple.c (is_gimple_non_addressable): Remove.
2919         * gimple.h: Remove is_gimple_non_addressable.
2920         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2921         is_gimple_non_addressable.
2922         * trans-mem.c (expand_assign_tm): Same.
2923
2924 2012-01-09  Richard Guenther  <rguenther@suse.de>
2925
2926         PR tree-optimization/51775
2927         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2928         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2929
2930 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2931
2932         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2933         tuning parameters.
2934         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2935
2936 2012-01-09  Richard Guenther  <rguenther@suse.de>
2937
2938         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2939
2940 2012-01-08  Jan Hubicka  <jh@suse.cz>
2941
2942         PR tree-optimize/51680
2943         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2944         on when known_vals needs to be computed; cleanup.
2945
2946 2012-01-08  Jan Hubicka  <jh@suse.cz>
2947
2948         PR tree-optimize/51694
2949         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2950
2951 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2952
2953         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2954         for -std=c++98 and -std=c++11 too.
2955
2956 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2957
2958         * cfgloop.c (cancel_loop): Add free() of bbs array.
2959
2960 2012-01-07  Jan Hubicka  <jh@suse.cz>
2961
2962         PR tree-optimization/51600
2963         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2964         that benefits small functions.
2965
2966 2012-01-07  Jan Hubicka  <jh@suse.cz>
2967
2968         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2969
2970 2012-01-07  Jan Hubicka  <jh@suse.cz>
2971
2972         PR tree-optimization/51680
2973         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2974         whose inlining reduce unit size.
2975
2976 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2977
2978         PR bootstrap/51725
2979         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2980         Add canonical node to containing_mem chain after the non-canonical
2981         one, even if there weren't any locs to propagate.
2982         (remove_useless_values): Keep only canonical values.
2983         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2984         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2985         canonicalize mem_chain elements that are not discarded.
2986
2987 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2988
2989         PR target/47333
2990         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2991         before emitting functions.
2992
2993         PR gcov-profile/50127
2994         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2995         clear_aux_for_blocks.
2996
2997 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2998
2999         PR debug/51746
3000         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3001
3002 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3003
3004         * c-decl.c (ext_block): Moved up.
3005         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3006
3007 2012-01-06  Han Shen  <shenhan@google.com>
3008
3009         Translate built-in include paths for sysroot.
3010         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3011         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3012
3013         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3014         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3015
3016         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3017         control whether sysroot should be prepended to gxx include dir.
3018
3019         * configure: Regenerate.
3020
3021 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3022
3023         PR rtl-optimization/51771
3024         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3025         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3026
3027 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3028
3029         PR tree-optimization/51315
3030         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3031         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3032
3033 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3034
3035         PR target/51681
3036         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3037         for shrp pattern.  Correctly handle and fixup shift variable.
3038         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3039
3040 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3041
3042         PR debug/51762
3043         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3044         note when !ACCUMULATE_OUTGOING_ARGS.
3045
3046 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3047
3048         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3049         condition.
3050         (extract_range_from_unary_expr_1): Avoid useless computations.
3051
3052 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3053
3054         PR rtl-optimization/51767
3055         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3056         of jump_block and add an extra edge for degenerated asm gotos.
3057
3058         PR middle-end/51768
3059         * stmt.c (check_unique_operand_names): Don't ICE during error
3060         reporting if i is from labels chain.
3061
3062         PR middle-end/44777
3063         * profile.c (branch_prob): Split bbs that have exit edge
3064         and need a fake entry edge too.
3065
3066 2012-01-05  Jan Hubicka  <jh@suse.cz>
3067
3068         PR middle-end/49710
3069         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3070         unlooping loops.
3071
3072 2012-01-05  Richard Guenther  <rguenther@suse.de>
3073
3074         PR lto/50490
3075         * tree-streamer-out.c (write_ts_optimization): New function.
3076         (streamer_write_tree_body): Call it.
3077         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3078         (streamer_read_tree_body): Call it.
3079         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3080
3081 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3082
3083         PR middle-end/51761
3084         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3085         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3086         in_cleanup_point_expr before gimplify_stmt call and restore it
3087         afterwards.
3088         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3089         in_cleanup_point_expr is false.
3090
3091 2012-01-05  Richard Guenther  <rguenther@suse.de>
3092
3093         PR middle-end/51764
3094         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3095         to c.opt.
3096         * toplev.c (process_options): Reject combining mudflap and LTO.
3097         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3098
3099 2012-01-05  Richard Guenther  <rguenther@suse.de>
3100
3101         PR tree-optimization/51760
3102         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3103         not VARYING.
3104         (bit_value_unop): Handle UNDEFINED operands.
3105         (bit_value_binop): Likewise.
3106
3107 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3108
3109         * config/avr/avr.c (avr_replace_prefix): Remove.
3110         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3111         (avr_asm_function_rodata_section): Ditto.
3112         (avr_asm_select_section): Ditto.
3113
3114 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3115
3116         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3117         insertion.
3118
3119 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3120
3121         PR bootstrap/51648
3122         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3123         calls that have any non-fake successor edges.
3124
3125         PR debug/51746
3126         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3127
3128 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3129
3130         PR tree-optimization/51624
3131         * tree-sra.c (build_ref_for_model): When replicating a chain of
3132         COMPONENT_REFs, stop as soon as the offset would become negative.
3133
3134 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3135
3136         PR debug/51695
3137         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3138         in .debug_loc on the floor.
3139
3140 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3141
3142         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3143
3144 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3145             Adam Nemet  <anemet@caviumnetworks.com>
3146
3147         * config/mips/mips.md (size): Add SI and DI.
3148         (SIZE): New mode attribute.
3149         (U): New code attribute.
3150         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3151         (mips_lbux_<mode>): Delete.
3152         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3153         (mips_lhx): Use gen_mips_lhx_extsi.
3154         (mips_lhx_<mode>): Delete.
3155         (mips_lwx): Delete.
3156         (mips_l<size>x): New expand.
3157         (mips_lwx_<mode>): Delete.
3158         (mips_l<GPR:size>x_<P:mode>): New pattern.
3159         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3160         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3161         * config/mips/mips.c (mips_lx_address_p): New function.
3162         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3163         (dsp64): New availability predicate.
3164         (mips_builtins): Add an entry for __builtin_mips_ldx.
3165         * config/mips/mips.h (ISA_HAS_LBX): New define.
3166         (ISA_HAS_LBUX): Likewise.
3167         (ISA_HAS_LHX): Likewise.
3168         (ISA_HAS_LHUX): Likewise.
3169         (ISA_HAS_LWX): Likewise.
3170         (ISA_HAS_LWUX): Likewise.
3171         (ISA_HAS_LDX): Likewise.
3172         * doc/extend.texi (__builtin_mips_ldx): Document.
3173
3174 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3175
3176         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3177         when long pointers are used.
3178         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3179         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3180         (ia64-hp-*vms*): Remove.
3181         * config/vms/xm-vms64.h: Delete.
3182
3183 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3184
3185         PR middle-end/51472
3186         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3187
3188 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3189
3190         * opts.c (finish_options): Remove duplicate sorry.
3191
3192 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3193
3194         PR middle-end/51696
3195         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3196         correctly.
3197
3198 2012-01-04  Richard Guenther  <rguenther@suse.de>
3199
3200         PR middle-end/51750
3201         * tree.c (size_low_cst): New function.
3202         * tree.h (size_low_cst): Declare.
3203         * fold-const.c (fold_comparison): Use it to extract the low
3204         part of the POINTER_PLUS_EXPR offset.
3205
3206 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3207
3208         Fix clearing ZERO_REG
3209         * config/avr/avr.md (cc): Add alternative "ldi".
3210         (movqi_insn): Use it in cc attribute.
3211         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3212         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3213         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3214
3215 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3216
3217         * configure: Regenerate.
3218
3219 2012-01-04  Richard Guenther  <rguenther@suse.de>
3220
3221         PR tree-optimization/49651
3222         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3223         (var_can_have_subvars): Use it.
3224         (get_constraint_for_1): Only consider subfields if there can be any.
3225
3226 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3227
3228         PR bootstrap/51725
3229         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3230         to its new canonical_cselib_val and the cselib_val was in
3231         first_containing_mem chain, but the canonical_cselib_val was not,
3232         add the latter into the chain.
3233         (cselib_invalidate_mem): Compare canonical_cselib_val of
3234         addr_list chain elt with v.
3235
3236         PR pch/51722
3237         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3238         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3239         of xstrdup.
3240         (output_macinfo_op): Don't ggc_strdup fd->filename.
3241         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3242         then ggc_strdup it.  Don't free inc->info or cur->info.
3243         (output_macinfo): Don't free ref->info or file->info.
3244
3245 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3246
3247         PR tree-optimization/51269
3248         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3249         first_niters a pointer.
3250         (slpeel_tree_peel_loop_to_edge): Likewise.
3251         (vect_do_peeling_for_loop_bound): Update call to
3252         slpeel_tree_peel_loop_to_edge.
3253         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3254         here.  Remove it from the parameters list.
3255         (vect_do_peeling_for_alignment): Update calls and compute
3256         wide_prolog_niters.
3257
3258 2012-01-03  Richard Guenther  <rguenther@suse.de>
3259
3260         PR tree-optimization/51070
3261         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3262         Properly handle calls.
3263
3264 2012-01-03  Richard Guenther  <rguenther@suse.de>
3265
3266         PR tree-optimization/51692
3267         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3268         the LHS of allocation stmts.
3269
3270 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3271
3272         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3273
3274 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3275
3276         * collect2.c (main): In AIX specific computations for vector
3277         insertions, use CONST_CAST2 to cast from char ** to const char **.
3278
3279 2012-01-03  Richard Guenther  <rguenther@suse.de>
3280
3281         PR debug/51650
3282         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3283         the context of a limbo DIE when it does not already exist.
3284
3285 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3286
3287         PR tree-optimization/51719
3288         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3289         but direct call is, clear direct call's lhs and don't add fallthrough
3290         edge from dcall_bb to join_bb and PHIs.
3291
3292 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3293
3294         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3295         the instructions emitted by the pattern.
3296         ("*TDC_insn_<mode>"): Add comment.
3297
3298 2012-01-03  Richard Guenther  <rguenther@suse.de>
3299
3300         PR middle-end/51730
3301         * fold-const.c (fold_comparison): Properly canonicalize
3302         tree offset and HOST_WIDE_INT bit position.
3303
3304 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3305
3306         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3307         operands for extzv pattern.
3308
3309 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3310
3311         PR bootstrap/51725
3312         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3313         on mem_elt first.
3314
3315 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3316
3317         * doc/invoke.texi (-flto and related options): Copy-edit.
3318
3319 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3320
3321         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3322
3323 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3324
3325         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3326         New patterns.
3327
3328 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3329
3330         * expr.h (move_by_pieces_ninsns): Declare.
3331         * expr.c (move_by_pieces_ninsns): Make external.
3332         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3333         (mips_store_by_pieces_p): Likewise.
3334         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3335         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3336         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3337         (mips_store_by_pieces_p): Likewise.
3338
3339 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3340
3341         * passes.c (register_one_dump_file): Free full_name.
3342
3343         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3344         (calculate_elim_costs_all_insns): Free offsets_at and
3345         offsets_known_at at the end and clear the pointers.
3346
3347 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3348
3349         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3350         this option introduced in r180739.
3351
3352 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3353
3354         PR target/51345
3355         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3356         (tmake_file target=avr): Add avr/t-multilib.
3357
3358         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3359         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3360         * config/avr/genmultilib.awk: New file.
3361         * config/avr/t-multilib: New auto-generated file.
3362         * config/avr/multilib.h: New auto-generated file.
3363         * config/avr/t-avr (AVR_MCUS): New variable.
3364         (genopt.sh): Use it.
3365         (s-mlib): Depend on t-multilib.
3366         (t-multilib, multilib.h): New dependencies.
3367         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3368         (MULTILIB_OPTIONS): Remove.
3369         (MULTILIB_MATCHES): Remove.
3370         (MULTILIB_DIRNAMES): Remove.
3371         (MULTILIB_EXCEPTIONS): Remove:
3372         * config/avr/genopt.sh: Don't use hard coded file name;
3373         pass AVR_MCUS from t-avr instead.
3374
3375 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3376
3377         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3378
3379 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3380
3381         Implement light-weight DImode support.
3382         * config/avr/avr-dimode.md: New file.
3383         * config/avr/avr.md: Include it.
3384         (adjust_len): Add plus64, compare64.
3385         (HIDI): Remove code iterator.
3386         (code_stdname): New code attribute.
3387         (rotx, rotsmode): Remove DI.
3388         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3389         as code iterator.
3390         * config/avr/avr-protos.h (avr_have_dimode): New.
3391         (avr_out_plus64, avr_out_compare64): New.
3392         * config/avr/avr.c (avr_out_compare): Handle DImode.
3393         (avr_have_dimode): New variable definition and initialization.
3394         (avr_out_compare64, avr_out_plus64): New functions.
3395         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3396         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3397         (avr_compare_pattern): Skip DImode comparisons.
3398
3399 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3400
3401         * ddg.c (def_has_ccmode_p): New function.
3402         (add_cross_iteration_register_deps,
3403         create_ddg_dep_from_intra_loop_link): Call it.
3404
3405 2012-01-02  Richard Guenther  <rguenther@suse.de>
3406
3407         PR other/51679
3408         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3409
3410 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3411
3412         * gcc.c (process_command): Update copyright notice dates.
3413         * gcov.c (print_version): Likewise.
3414         * gcov-dump.c (print_version): Likewise.
3415         * mips-tfile.c (main): Likewise.
3416         * mips-tdump.c (main): Likewise.
3417
3418 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3419
3420         PR tree-optimization/51704
3421         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3422         a use is inside the basic block or loop before accessing its vect info.
3423
3424 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3425
3426         PR rtl-optimization/51069
3427         * cfgloopmanip.c (remove_path): Removing path making irreducible
3428         region unconditional makes BB part of the region.
3429
3430 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3431
3432         PR tree-optimization/51683
3433         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3434         calls with side-effects.
3435         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3436 \f
3437 Copyright (C) 2012 Free Software Foundation, Inc.
3438
3439 Copying and distribution of this file, with or without modification,
3440 are permitted in any medium without royalty provided the copyright
3441 notice and this notice are preserved.