Merge from trunk: 215733-215743
[official-gcc.git] / gcc-4_7 / gcc / ChangeLog
blobacb339f2aa38edfecd016e851a63b10125314d97
1 2013-04-11  Richard Biener  <rguenther@suse.de>
3         * BASE-VER: Set to 4.7.4.
4         * DEV-PHASE: Set to prerelease.
6 2013-04-11  Release Manager
8         * GCC 4.7.3 released.
10 2013-04-10  David S. Miller  <davem@davemloft.net>
12         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=supersparc
13         or -mcpu=hypersparc.
15 2013-04-05  Eric Botcazou  <ebotcazou@adacore.com>
17         PR middle-end/56848
18         Revert
19         2013-04-01  Andrey Belevantsev  <abel@ispras.ru>
21         Backport from mainline
22         2013-02-25  Andrey Belevantsev  <abel@ispras.ru>
23         Alexander Monakov  <amonakov@ispras.ru>
25         PR middle-end/56077
26         * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
27         flush pending lists also on non-jumps.  Adjust comment.
29 2013-04-03  Richard Biener  <rguenther@suse.de>
31         PR tree-optimization/56501
32         * tree-switch-conversion.c (check_process_case): Properly
33         handle !single_succ_p case.
35 2013-04-03  Jakub Jelinek  <jakub@redhat.com>
37         Backported from mainline
38         2013-03-06  Jakub Jelinek  <jakub@redhat.com>
40         PR tree-optimization/56539
41         * tree-tailcall.c (adjust_return_value_with_ops): Use GSI_SAME_STMT
42         instead of GSI_CONTINUE_LINKING as last argument to
43         force_gimple_operand_gsi.  Adjust function comment.
45         2013-03-05  Jakub Jelinek  <jakub@redhat.com>
47         PR debug/56510
48         * cfgexpand.c (expand_debug_parm_decl): Call copy_rtx on incoming.
49         (avoid_complex_debug_insns): New function.
50         (expand_debug_locations): Call it.
52 2013-04-02  Wei Mi  <wmi@google.com>
54         * config/i386/i386.c (ix86_rtx_costs): Set proper rtx cost for
55         ashl<mode>3_mask, *<shift_insn><mode>3_mask and
56         *<rotate_insn><mode>3_mask in i386.md.
58 2013-04-02  Richard Biener  <rguenther@suse.de>
60         PR middle-end/56768
61         Backport from mainline
62         2012-05-16  Richard Guenther  <rguenther@suse.de>
64         * tree-inline.c (declare_return_variable): Properly handle
65         DECL_BY_REFERENCE return vars in SSA form.
67 2013-04-01  Wei Mi  <wmi@google.com>
69         * config/i386/i386.md (*ashl<mode>3_mask): Rewrite as define_insn.
70         Truncate operand 2 using %b asm operand modifier.
71         (*<shift_insn><mode>3_mask): Ditto.
72         (*<rotate_insn><mode>3_mask): Ditto.
74 2013-04-01  Uros Bizjak  <ubizjak@gmail.com>
76         * config/i386/i386.md (*movsf_internal): Change type of
77         alternatives 3,4 to imov.
79 2013-04-01  Andrey Belevantsev  <abel@ispras.ru>
81         Backport from mainline
82         2013-02-27  Andrey Belevantsev  <abel@ispras.ru>
84         PR middle-end/45472
85         * sel-sched-ir.c (merge_expr): Also change vinsn of merged expr
86         when the may_trap_p bit of the exprs being merged differs.
87         Reorder tests for speculativeness in the logical and operator.
89         Backport from mainline
90          2013-03-05  Jakub Jelinek  <jakub@redhat.com>
92         PR middle-end/56461
93         * sel-sched-ir.c (free_sched_pools): Release
94         succs_info_pool.stack[succs_info_pool.max_top] vectors too
95         if succs_info_pool.max_top isn't -1.
97 2013-04-01  Andrey Belevantsev  <abel@ispras.ru>
99         Backport from mainline
100         2012-02-19  Andrey Belevantsev  <abel@ispras.ru>
102         PR middle-end/55889
103         * sel-sched.c: Include ira.h.
104         (implicit_clobber_conflict_p): New function.
105         (moveup_expr): Use it.
106         * Makefile.in (sel-sched.o): Depend on ira.h.
108 2013-04-01  Andrey Belevantsev  <abel@ispras.ru>
110         Backport from mainline
111         2013-02-25  Andrey Belevantsev  <abel@ispras.ru>
112         Alexander Monakov  <amonakov@ispras.ru>
114         PR middle-end/56077
115         * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
116         flush pending lists also on non-jumps.  Adjust comment.
118 2013-03-30  Gerald Pfeifer  <gerald@pfeifer.com>
120         * doc/invoke.texi (AVR Options): Tweak link for AVR-LibC user manual.
121         * doc/extend.texi (Named Address Spaces): Ditto.
122         (Variable Attributes): Ditto.
124 2013-03-28  Eric Botcazou  <ebotcazou@adacore.com>
126         * toplev.c (process_options): Do not disable -fomit-frame-pointer on a
127         general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
128         is not enabled.
130 2013-03-27  Walter Lee  <walt@tilera.com>
132         Backport from mainline:
133         2013-03-27  Walter Lee  <walt@tilera.com>
135         * config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid
136         double-decrement of next_scratch_regno.
138 2013-03-27  Walter Lee  <walt@tilera.com>
140         Backport from mainline:
141         2013-03-27  Walter Lee  <walt@tilera.com>
143         * config/tilegx/tilegx.md (insn_v1mulu): Fix predicates on
144         input operands.
145         (insn_v1mulus): Ditto.
146         (insn_v2muls): Ditto.
148 2013-03-27  Walter Lee  <walt@tilera.com>
150         Backport from mainline:
151         2013-03-27  Walter Lee  <walt@tilera.com>
153         * config/tilegx/tilegx.h (ASM_OUTPUT_ADDR_VEC_ELT): Delete
154         extra tab.
155         (ASM_OUTPUT_ADDR_DIFF_ELT): Ditto.
157 2013-03-27  Walter Lee  <walt@tilera.com>
159         Backport from mainline:
160         2013-03-27  Walter Lee  <walt@tilera.com>
162         * config/tilegx/tilegx.md (*sibcall_insn): Fix type atribute
163         for jr.
164         (*sibcall_value): Ditto.
166 2013-03-27  Walter Lee  <walt@tilera.com>
168         Backport from mainline:
169         2013-03-27  Walter Lee  <walt@tilera.com>
171         * config/tilegx/tilegx.md (insn_mnz_<mode>): Replaced by ...
172         (insn_mnz_v8qi): ... this ...
173         (insn_mnz_v4hi): ... and this.  Replace (const_int 0) with the
174         vector equivalent.
175         (insn_v<n>mnz): Replaced by ...
176         (insn_v1mnz): ... this ...
177         (insn_v2mnz): ... and this.  Replace (const_int 0) with the vector
178         equivalent.
179         (insn_mz_<mode>): Replaced by ...
180         (insn_mz_v8qi): ... this ...
181         (insn_mz_v4hi): ... and this.  Replace (const_int 0) with the
182         vector equivalent.
183         (insn_v<n>mz): Replaced by ...
184         (insn_v1mz): ... this ...
185         (insn_v2mz): ... and this.  Replace (const_int 0) with the vector
186         equivalent.
188 2013-03-26  Eric Botcazou  <ebotcazou@adacore.com>
190         * doc/invoke.texi (SPARC options): Remove -mlittle-endian.
192 2013-03-26  Richard Biener  <rguenther@suse.de>
194         Backport from mainline:
195         2013-03-13  Richard Biener  <rguenther@suse.de>
197         PR tree-optimization/56608
198         * tree-vect-slp.c (vect_schedule_slp): Do not remove scalar
199         calls when vectorizing basic-blocks.
201         2013-03-05  Richard Biener  <rguenther@suse.de>
203         PR tree-optimization/56270
204         * tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts
205         of loads after scheduling an SLP instance.
207 2013-03-26  Walter Lee  <walt@tilera.com>
209         Backport from mainline:
210         2013-03-26  Walter Lee  <walt@tilera.com>
212         * config/tilegx/tilegx.h (PROFILE_BEFORE_PROLOGUE): Define.
213         * config/tilegx/tilepro.h (PROFILE_BEFORE_PROLOGUE): Define.
215 2013-03-26  Walter Lee  <walt@tilera.com>
217         Backport from mainline:
218         2013-03-25  Walter Lee  <walt@tilera.com>
220         * config/tilegx/tilegx-builtins.h (enum tilegx_builtin): Add
221         TILEGX_INSN_SHUFFLEBYTES1.
222         * config/tilegx/tilegx.c (tilegx_builtin_info): Add entry for
223         shufflebytes1.
224         (tilegx_builtins): Ditto.
225         * config/tilegx/tilegx.md (insn_shufflebytes1): New pattern.
227 2013-03-26  Walter Lee  <walt@tilera.com>
229         Backport from mainline:
230         2013-03-25  Walter Lee  <walt@tilera.com>
232         * config/tilegx/tilegx.c (expand_set_cint64_one_inst): Inline
233         tests for constraint J, K, N, P.
235 2013-03-26  Walter Lee  <walt@tilera.com>
237         Backport from mainline:
238         2013-03-25  Walter Lee  <walt@tilera.com>
240         * config/tilegx/tilegx.c (tilegx_asm_preferred_eh_data_format):
241         Use indirect/pcrel encoding.
242         * config/tilepro/tilepro.c (tilepro_asm_preferred_eh_data_format):
243         Ditto.
245 2013-03-25  Oleg Endo  <olegendo@gcc.gnu.org>
247         Backport from mainline:
248         2013-03-13  Oleg Endo  <olegendo@gcc.gnu.org>
249         2013-03-14  Kaz Kojima  <kkojima@gcc.gnu.org>
251         PR target/49880
252         * config/sh/sh.opt (FPU_SINGLE_ONLY): New mask.
253         (musermode): Convert to Var(TARGET_USERMODE).
254         * config/sh/sh.h (SELECT_SH2A_SINGLE_ONLY, SELECT_SH4_SINGLE_ONLY,
255         MASK_ARCH): Add MASK_FPU_SINGLE_ONLY.
256         * config/sh/sh.c (sh_option_override): Use
257         TARGET_FPU_DOUBLE || TARGET_FPU_SINGLE_ONLY for call-fp case.
258         * config/sh/sh.md (udivsi3_i1, divsi3_i1): Remove ! TARGET_SH4
259         condition.
260         (udivsi3_i4, divsi3_i4): Use TARGET_FPU_DOUBLE condition instead of
261         TARGET_SH4.
262         (udivsi3_i4_single, divsi3_i4_single): Use
263         TARGET_FPU_SINGLE_ONLY || TARGET_FPU_DOUBLE instead of TARGET_HARD_SH4.
264         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_USERMODE.
265         (SUBTARGET_OVERRIDE_OPTIONS): Set TARGET_USERMODE as default.
266         * config/sh/netbsd-elf.h (TARGET_DEFAULT): Remove MASK_USERMODE.
267         (SUBTARGET_OVERRIDE_OPTIONS): New.
269 2013-03-25  Oleg Endo  <olegendo@gcc.gnu.org>
271         Backport from mainline:
272         2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
274         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
275         to m2a-single instead of m2e.
277 2013-03-22  H.J. Lu  <hongjiu.lu@intel.com>
279         PR target/56560
280         * config/i386/i386.h (ix86_args): Define only if USED_FOR_TARGET
281         isn't defined.
283 2013-03-22  H.J. Lu  <hongjiu.lu@intel.com>
285         PR target/56560
286         * config/i386/i386.c (init_cumulative_args): Also set
287         cum->callee_return_avx256_p.
288         (ix86_function_arg): Set cum->callee_pass_avx256_p.  Set
289         cfun->machine->callee_pass_avx256_p only when MODE == VOIDmode.
291         * config/i386/i386.h (ix86_args): Add callee_pass_avx256_p and
292         callee_return_avx256_p.
294 2013-03-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
296         Backport from mainline:
297         2012-12-04  Ian Lance Taylor  <iant@google.com>
299         * godump.c (find_dummy_types): Output a dummy type if we couldn't
300         output the real type.
302 2013-03-20  Jack Howarth  <howarth@bromo.med.uc.edu>
304         PR bootstrap/56258
305         * doc/generic.texi (POINTER_PLUS_EXPR): Use @item instead of @itemx.
306         (PLUS_EXPR): Likewise.
307         * doc/cppopts.texi (--help): Likewise.
308         * doc/invoke.texi (-fenable-@var{kind}-@var{pass}): Likewise.
309         (-fdump-rtl-cprop_hardreg): Likewise.
310         (-fdump-rtl-csa): Likewise.
311         (-fdump-rtl-dce): Likewise.
312         (-fdump-rtl-dbr): Likewise.
313         (-fdump-rtl-into_cfglayout): Likewise.
314         (-fdump-rtl-outof_cfglayout): Likewise.
316 2013-03-18  Richard Earnshaw  <rearnsha@arm.com>
318         PR target/56470
319         * config/arm/arm.c (shift_op): Validate RTL pattern on the fly.
320         (arm_print_operand, case 'S'): Don't use shift_operator to validate
321         the RTL.
323 2013-03-14  Seth LaForge  <sethml@google.com>
325         PR target/56351
326         Backport from mainline
327         2012-10-22  Julian Brown  <julian@codesourcery.com>
329         * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
330         VFP D registers in big-endian mode.
332 2013-03-08  Joey Ye  <joey.ye@arm.com>
334         Backport from mainline
335         2013-03-06  Joey Ye  <joey.ye@arm.com>
337         PR lto/50293
338         * gcc.c (convert_white_space): New function.
339         (main): Handles white space in function name.
341 2013-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
343         Backport from mainline
344         2013-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
346         PR target/56529
347         * config/sh/sh.c (sh_option_override): Check for TARGET_DYNSHIFT
348         instead of TARGET_SH2 for call-table case.  Do not set sh_div_strategy
349         to SH_DIV_CALL_TABLE for TARGET_SH2.
350         * config.gcc (sh_multilibs): Add m2 and m2a to sh*-*-linux* multilib
351         list.
352         * doc/invoke.texi (SH options): Use table for mdiv= option.  Document
353         mdiv= call-div1, call-fp, call-table options.
355 2013-03-06  Sebastian Huber <sebastian.huber@embedded-brains.de>
357         * config.gcc (arm*-*-rtemself*): New.
358         (arm*-*-rtems*): Removed.
359         (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename
360         "arm*-*-rtemseabi*" to "arm*-*-rtems*".
362 2013-03-01  Richard Biener  <rguenther@suse.de>
364         Backport from mainline
365         2012-12-12  Zdenek Dvorak  <ook@ucw.cz>
367         PR tree-optimization/55481
368         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall
369         back to general rewriting if we cannot leave an original biv
370         definition alone.
372 2013-03-01  Richard Biener  <rguenther@suse.de>
374         Backport from mainline
375         2012-04-10  Richard Guenther  <rguenther@suse.de>
377         PR middle-end/52888
378         * gimple-low.c (gimple_check_call_args): Properly account for
379         compatible aggregate types.
381 2013-02-26  Nick Clifton  <nickc@redhat.com>
383         PR target/56453
384         Import this patch from the mainline:
386         2012-08-17  Nick Clifton  <nickc@redhat.com>
388         * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison.
389         (branch_true): Likewise.
390         (branch_false): Likewise.
392 2013-02-26  Jakub Jelinek  <jakub@redhat.com>
394         PR tree-optimization/56443
395         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
396         overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
397         to type_for_mode langhook.
399 2013-02-21  Jakub Jelinek  <jakub@redhat.com>
401         PR bootstrap/56258
402         * doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
403         instead of @itemx.
405 2013-02-19  Jakub Jelinek  <jakub@redhat.com>
407         Backported from mainline
408         2013-02-19  Jakub Jelinek  <jakub@redhat.com>
410         PR tree-optimization/56350
411         * tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false
412         if haven't found reduction or nested cycle operand, rather than
413         asserting we must find it.
415         PR tree-optimization/56381
416         * tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
417         to fold_build3.
419         2013-02-08  Jakub Jelinek  <jakub@redhat.com>
421         PR tree-optimization/56250
422         * fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
423         if type is unsigned and code isn't MULT_EXPR.
425         2013-02-06  Jakub Jelinek  <jakub@redhat.com>
427         PR middle-end/56217
428         * omp-low.c (use_pointer_for_field): Return false if
429         lower_send_shared_vars doesn't generate any copy-out code.
431         2012-11-27  Jakub Jelinek  <jakub@redhat.com>
433         PR tree-optimization/55110
434         * tree-vect-loop.c (vectorizable_reduction): Don't assert
435         that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.
437 2013-02-18  Richard Biener  <rguenther@suse.de>
439         Revert
440         2013-02-04  Richard Biener  <rguenther@suse.de>
442         Backport from mainline
443         2012-07-04  Richard Guenther  <rguenther@suse.de>
445         PR tree-optimization/53844
446         * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
447         the loop virtual PHI.
449 2013-02-13  David S. Miller  <davem@davemloft.net>
451         * expmed.c (expand_shift_1): Only strip scalar integer subregs.
453 2013-02-11  Uros Bizjak  <ubizjak@gmail.com>
455         Backport from mainline
456         2013-02-11  Uros Bizjak  <ubizjak@gmail.com>
458         PR rtl-optimization/56275
459         * simplify-rtx.c (avoid_constant_pool_reference): Check that
460         offset is non-negative and less than cmode size before
461         calling simplify_subreg.
463 2013-02-09  Uros Bizjak  <ubizjak@gmail.com>
465         Backport from mainline
466         2013-02-08  Uros Bizjak  <ubizjak@gmail.com>
468         * config/i386/sse.md (FMAMODEM): New mode iterator.
469         (fma<mode>4, fms<mode>4, fnma<mode>4, fnms<mode>4): Use FMAMODEM
470         mode iterator. Do not use TARGET_SSE_MATH in insn constraint.
472         2013-02-08  Uros Bizjak  <ubizjak@gmail.com>
474         * config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only
475         when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set.
476         * config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto.
478 2013-02-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
480         Backport from mainline
481         2013-02-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
483         PR target/56043
484         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass):
485         If there is no implicit builtin declaration, just return NULL.
487 2013-02-08  David Edelsohn  <dje.gcc@gmail.com>
488             Michael Meissner  <meissner@linux.vnet.ibm.com>
490         Backport from mainline
491         * config/rs6000/rs6000.c (rs6000_option_override_internal): Clear
492         MASK_VSX from set_masks if OS_MISSING_ALTIVEC.
494 2013-02-07  David S. Miller  <davem@davemloft.net>
496         * dwarf2out.c (based_loc_descr): Perform leaf register remapping
497         on 'reg'.
498         * var-tracking.c (vt_add_function_parameter): Test the presence of
499         HAVE_window_save properly and do not remap argument registers when
500         we have a leaf function.
502 2013-02-07  Uros Bizjak  <ubizjak@gmail.com>
504         Backport from mainline
505         2013-02-07  Uros Bizjak  <ubizjak@gmail.com>
507         PR bootstrap/56227
508         * ggc-page.c (ggc_print_statistics): Use HOST_LONG_LONG_FORMAT
509         instead of "ll".
510         * config/i386/i386.c (ix86_print_operand): Ditto.
512 2013-02-07  Alan Modra  <amodra@gmail.com>
514         PR target/53040
515         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
516         static chain, set REST_INLINE_FPRS too.
518 2013-02-06  David Edelsohn  <dje.gcc@gmail.com>
520         Backport from mainline
521         2013-01-25  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
523         * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
524         * configure: Regenerate.
526 2013-02-05  David Edelsohn  <dje.gcc@gmail.com>
528         Backport from mainline
529         2013-02-03  David Edelsohn  <dje.gcc@gmail.com>
530                     Andrew Dixie  <andrewd@gentrack.com>
532         * collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY
533         flag set.
535 2013-02-05  Richard Biener  <rguenther@suse.de>
537         Backport from mainline
538         2012-12-10  Richard Biener  <rguenther@suse.de>
540         PR tree-optimization/55107
541         * tree-ssa-pre.c (struct pre_stats): Remove constified field.
542         (bitmap_set_replace_value): Add gcc_unreachable.
543         (do_regular_insertion): Re-write all_same handling.  Insert
544         an assignment instead of a PHI in this case.
545         (execute_pre): Do not record constified events.
547 2013-02-05  Richard Biener  <rguenther@suse.de>
549         PR tree-optimization/54767
550         * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via
551         backedges drop all symbolical range information.
552         (execute_vrp): Compute backedges.
554 2013-02-04  Richard Biener  <rguenther@suse.de>
556         Backport from mainline
557         2012-01-11  Richard Guenther  <rguenther@suse.de>
559         PR tree-optimization/44061
560         * tree-vrp.c (extract_range_basic): Compute zero as
561         value-range for __builtin_constant_p of function parameters.
563         2013-01-08  Jakub Jelinek  <jakub@redhat.com>
565         PR middle-end/55890
566         * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_class_p.
568 2013-02-04  Richard Biener  <rguenther@suse.de>
570         Backport from mainline
571         2012-07-04  Richard Guenther  <rguenther@suse.de>
573         PR tree-optimization/53844
574         * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
575         the loop virtual PHI.
577         2012-12-13  Richard Biener  <rguenther@suse.de>
579         PR lto/55660
580         * tree-streamer.c (record_common_node): Check that we are not
581         recursively pre-loading nodes we want to skip.  Handle
582         char_type_node appearing as part of va_list_type_node.
584 2013-02-04  Richard Biener  <rguenther@suse.de>
586         PR middle-end/55890
587         * gimple.h (gimple_call_builtin_class_p): New function.
588         * gimple.c (validate_call): New function.
589         (gimple_call_builtin_class_p): Likewise.
590         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
591         Use gimple_call_builtin_class_p.
592         (find_func_clobbers): Likewise.
593         * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
594         (strlen_optimize_stmt): Likewise.
596 2013-02-01  Jakub Jelinek  <jakub@redhat.com>
598         Backported from mainline
599         2013-01-28  Jakub Jelinek  <jakub@redhat.com>
601         PR tree-optimization/56125
602         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
603         pow(x,c) into sqrt(x) * powi(x, n/2) or
604         1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
605         optimizing for size.
606         Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
607         1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
608         integer.
610         2013-01-25  Jakub Jelinek  <jakub@redhat.com>
612         PR tree-optimization/56098
613         * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
614         for stmts with volatile ops.
615         (cond_store_replacement): Don't optimize if assign has volatile ops.
616         (cond_if_else_store_replacement_1): Don't optimize if either
617         then_assign or else_assign have volatile ops.
619         2013-01-23  Jakub Jelinek  <jakub@redhat.com>
621         PR target/49069
622         * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
623         instead of cmpdi_operand for first comparison operand.
624         Don't assert that comparison operands aren't both constants.
626         2013-01-21  Jakub Jelinek  <jakub@redhat.com>
628         PR tree-optimization/56051
629         * fold-const.c (fold_binary_loc): Don't fold
630         X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
631         a narrowing conversion, or widening conversion from signed
632         to unsigned.
634         2013-01-18  Jakub Jelinek  <jakub@redhat.com>
636         PR middle-end/56015
637         * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
638         the case where writing real complex part of target modifies
639         op1.
641         2013-01-15  Jakub Jelinek  <jakub@redhat.com>
643         PR target/55940
644         * function.c (thread_prologue_and_epilogue_insns): Always
645         add crtl->drap_reg to set_up_by_prologue.set, even if
646         stack_realign_drap is false.
648         2013-01-10  Jakub Jelinek  <jakub@redhat.com>
650         PR tree-optimization/55921
651         * tree-complex.c (expand_complex_asm): New function.
652         (expand_complex_operations_1): Call it for GIMPLE_ASM.
654         2013-01-03  Jakub Jelinek  <jakub@redhat.com>
656         PR rtl-optimization/55838
657         * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
658         iv0.step, iv1.step and step.
660         2012-11-23  Jakub Jelinek  <jakub@redhat.com>
662         PR c++/54046
663         * Makefile.in (gimple-low.o): Depend on langhooks.h.
664         * gimple-low.c: Include langhooks.c.
665         (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
666         by default call lang_hooks.block_may_fallthru.
667         * langhooks.h (struct lang_hooks): Add block_may_fallthru
668         langhook.
669         * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
670         (LANG_HOOKS_INITIALIZER): Use it.
672         2012-11-20  Jakub Jelinek  <jakub@redhat.com>
674         PR middle-end/55094
675         * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
676         on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
677         * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
678         on the first old_insns_match_p call.  For !ACCUMULATE_OUTGOING_ARGS
679         fail if the last real insn doesn't have REG_ARGS_SIZE note.
681         2012-11-17  Jakub Jelinek  <jakub@redhat.com>
683         PR tree-optimization/55236
684         * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
685         and signed ARG0_TYPE, force low and high to be non-NULL.
687         2012-11-13  Jakub Jelinek  <jakub@redhat.com>
689         PR rtl-optimization/54127
690         * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
691         asm goto labels from BB_HEAD (e->dest) to target bb, decrement
692         LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
693         BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
694         REG_LABEL_TARGET and REG_LABEL_OPERAND.
696 2013-02-01  Eric Botcazou  <ebotcazou@adacore.com>
698         * fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
699         range isn't testing for zero.
701 2013-01-29  Richard Biener  <rguenther@suse.de>
703         PR tree-optimization/56113
704         * tree-ssa-structalias.c (equiv_class_lookup): Also return
705         the bitmap leader.
706         (label_visit): Free duplicate bitmaps and record the leader instead.
707         (perform_var_substitution): Adjust.
709 2013-01-28  Serowk  <serowk@yandex.ru>
711         PR target/35294
712         * config/arm/arm.c (arm_expand_binop_builtin): Add new parameter.
713         Fix mode checks to allow for the passing of constants in the
714         second parameter.
715         (arm_expand_builtin): Adjust calls to arm_expand_binop_builtin.
716         Add entries in the switch statement for builtin iwmmxt vector
717         shift and rotate builtins.
719 2013-01-27  Uros Bizjak  <ubizjak@gmail.com>
721         Backport from mainline
722         2013-01-27  Uros Bizjak  <ubizjak@gmail.com>
724         PR target/56114
725         * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
726         operand 0 in movabs insn template for -masm=intel asm alternative.
727         (*movabs<mode>_2): Ditto for operand 1.
729 2013-01-27  Uros Bizjak  <ubizjak@gmail.com>
731         Backport from mainline
732         2013-01-22  Uros Bizjak  <ubizjak@gmail.com>
734         PR target/56028
735         * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
736         alternative to (o,r).
737         (*movdi_internal_rex64): Remove (!o,n) alternative.
738         (DImode immediate->memory splitter): Remove.
739         (DImode immediate->memory peephole2): Remove.
740         (movtf): Enable for TARGET_64BIT || TARGET_SSE.
741         (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
742         alternative to (!o,*r).
743         (*movtf_internal_sse): New pattern.
744         (*movxf_internal_rex64): New pattern.
745         (*movxf_internal): Disable for TARGET_64BIT.
746         (*movdf_internal_rex64): Remove (!o,F) alternative.
748         2013-01-23  Uros Bizjak  <ubizjak@gmail.com>
750         * config/i386/i386.md (*movdf_internal_rex64): Disparage alternatives
751         involving stack registers slightly.
753         2013-01-24  Uros Bizjak  <ubizjak@gmail.com>
755         * config/i386/constraints.md (Yf): New constraint.
756         * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
757         of f constraint to conditionaly disable x87 register preferences.
758         (*movdf_internal): Ditto.
759         (*movsf_internal): Ditto.
761         2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
763         * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
764         (*movtf_internal_rex64): Add (!o,C) alternative
765         (*movxf_internal_rex64): Ditto.
766         (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.
768 2013-01-25  Georg-Johann Lay  <avr@gjlay.de>
770         * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.
772 2013-01-24  Martin Jambor  <mjambor@suse.cz>
774         Backport from mainline
775         2013-01-04  Martin Jambor  <mjambor@suse.cz>
777         PR tree-optimization/55755
778         * tree-sra.c (sra_modify_assign): Do not check that an access has no
779         children when trying to avoid producing a VIEW_CONVERT_EXPR.
781 2013-01-21  Uros Bizjak  <ubizjak@gmail.com>
783         Backport from mainline
784         2013-01-21  Uros Bizjak  <ubizjak@gmail.com>
786         * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.
788 2013-01-21  Uros Bizjak  <ubizjak@gmail.com>
790         PR rtl-optimization/56023
791         * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
792         dependent on debug instruction.
794 2013-01-21  Martin Jambor  <mjambor@suse.cz>
796         Backport from mainline
797         2013-01-17  Martin Jambor  <mjambor@suse.cz>
799         PR tree-optimizations/55264
800         * cgraph.c (cgraph_create_virtual_clone): Mark clones as non-virtual.
801         * cgraph.h (cgraph_only_called_directly_p_or_aliased_p): Return false
802         for virtual functions.
803         * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
804         for virtual methods.
805         * ipa.c (cgraph_remove_unreachable_nodes): Never return true for
806         virtual methods before inlining is over.
808 2013-01-17  Uros Bizjak  <ubizjak@gmail.com>
810         Backport from mainline
811         2012-01-17  Uros Bizjak  <ubizjak@gmail.com>
813         PR target/55981
814         * config/i386/sync.md (atomic_store<mode>): Generate SWImode
815         store through atomic_store<mode>_1.
816         (atomic_store<mode>_1): Macroize insn using SWI mode iterator.
818 2013-01-16  Richard Biener  <rguenther@suse.de>
820         PR middle-end/55882
821         * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
822         account for bitpos when computing alignment.
824 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
826         Backport from 2013-01-14 trunk r195169.
828         PR target/55974
829         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
830         etc. to 1 and not to __flash.
831         Use LL suffix for __INT24_MAX__ with -mint8.
832         Use ULL suffix for __UINT24_MAX__ with -mint8.
834 2013-01-14  Matthias Klose  <doko@ubuntu.com>
836         * doc/invoke.texi: Document -print-multiarch.
837         * doc/install.texi: Document --enable-multiarch.
838         * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
839         * configure.ac: Add --enable-multiarch option.
840         Substitute with_cpu, with_float.
841         * configure: Regenerate.
842         * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
843         enable_multiarch, with_cpu, with_float: New macros.
844         if_multiarch: New macro, define in terms of enable_multiarch.
845         * genmultilib: Add new argument for the multiarch name.
846         * gcc.c (multiarch_dir): Define.
847         (for_each_path): Search for multiarch suffixes.
848         (driver_handle_option): Handle multiarch option.
849         (do_spec_1): Pass -imultiarch if defined.
850         (main): Print multiarch.
851         (set_multilib_dir): Separate multilib and multiarch names
852         from multilib_select.
853         (print_multilib_info): Ignore multiarch names in multilib_select.
854         * incpath.c (add_standard_paths): Search the multiarch include dirs.
855         * cppdefault.h (default_include): Document multiarch in multilib
856         member.
857         * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
858         include directory for multiarch directories.
859         * common.opt: New options --print-multiarch and -imultilib.
861         * config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
862         Include i386/t-linux.
863         <i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
864         Include i386/t-kfreebsd.
865         <i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
866         * config/i386/t-linux64: Add multiarch names in
867         MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
868         * config/i386/t-gnu: New file.
869         * config/i386/t-kfreebsd: Likewise.
870         * config/i386/t-linux: Likewise.
872         * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
873         * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
874         * config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
875         for 32bit non-biarch configurations.
877         * config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
878         * config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
879         Include pa/t-linux.
881         * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
883         * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.
885         * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
886         * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
887         * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
888         to the list.
889         (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
890         * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
891         Include rs6000/t-linux for 32bit non-biarch configurations.
893         * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
895         * config/m68k/t-linux: Define MULTIARCH_DIRNAME.
897         * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
898         * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.
900         * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
901         * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.
903 2013-01-14  Eric Botcazou  <ebotcazou@adacore.com>
905         * tree-vectorizer.h (vect_get_single_scalar_iteraion_cost): Fix typo.
906         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Likewise.
907         (vect_estimate_min_profitable_iter): Adjust to above fix.
908         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise.
910 2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
912         Backport from mainline
913         2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
915         * doc/extend.texi (X86 Built-in Functions): Add whitespace in
916         __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
917         documentation.  Add missing '__' in front of
918         __builtin_ia32_packssdw256.
920 2013-01-09  Uros Bizjak  <ubizjak@gmail.com>
922         Backport from mainline
923         2013-01-09  Uros Bizjak  <ubizjak@gmail.com>
925         * config/i386/sse.md (*vec_interleave_highv2df): Change mode
926         attribute of movddup insn to DF.
927         (*vec_interleave_lowv2df): Ditto.
928         (vec_dupv2df): Ditto.
930 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
932         Backport from 2013-01-07 trunk r194991, r194992.
934         PR target/55897
935         * doc/extend.texi (AVR Named Address Spaces): __memx goes into
936         .progmemx.data now.
938         * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
939         (avr_addrspace_t): Add .section_name field.
940         * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
941         array size.
942         (avr_addrspace): Same.  Initialize .section_name.  Remove last
943         NULL entry.  Put __memx into .progmemx.data.
944         (progmem_section_prefix): Remove.
945         (avr_asm_init_sections): No need to initialize progmem_section.
946         (avr_asm_named_section): Use avr_addrspace[].section_name to get
947         section name prefix.
948         (avr_asm_select_section): Ditto.  And use get_unnamed_section to
949         retrieve the progmem section.
950         * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
951         boundary to run over avr_addrspace[].
952         (avr_register_target_pragmas): Ditto.
954 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
956         Backport from 2013-01-07 trunk r194978.
958         PR target/54461
959         * doc/install.texi (Cross-Compiler-Specific Options): Document
960         --with-avrlibc.
962 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
964         Backport from 2013-01-07 trunk r194968.
966         PR other/55243
967         * config/avr/t-avr: Don't automatically rebuild
968         $(srcdir)/config/avr/t-multilib
969         $(srcdir)/config/avr/avr-tables.opt
970         (avr-mcus): New phony target to build them on request.
971         (s-avr-mlib): Remove.
972         * avr/avr-mcus.def: Adjust comments.
974 2013-01-07  Terry Guo  <terry.guo@arm.com>
976         Backport from mainline
977         2012-12-19  Terry Guo  <terry.guo@arm.com>
979         * config/arm/arm.c (thumb_find_work_register): Check argument
980         register number based on current PCS.
982 2013-01-06  Uros Bizjak  <ubizjak@gmail.com>
984         Backport from mainline
985         2013-01-03  Uros Bizjak  <ubizjak@gmail.com>
987         PR target/55712
988         * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
989         selected code model, define __code_mode_small__, __code_model_medium__,
990         __code_model_large__, __code_model_32__ or __code_model_kernel__.
991         * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
992         xchg temporary register with %k.  Declare temporary register as
993         early clobbered.
994         [__x86_64__]: For medium and large code models, preserve %rbx register.
996 2013-01-03  Richard Henderson  <rth@redhat.com>
998         * config/i386/i386.c (ix86_expand_move): Always assign to op1
999         after eliminating TLS symbols.
1001 2013-01-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1003         PR target/53789
1004         * config/pa/pa.md (movsi): Revert previous change.
1005         * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
1006         references.
1008 2013-01-02  Rainer Emrich  <rainer@emrich-ebersheim.de>
1010         PR bootstrap/55707
1011         * graphite-dependences.c (hash_poly_ddr_p): Cast from pointer via
1012         intptr_t.
1014 2013-01-02  Jason Merrill  <jason@redhat.com>
1016         PR c++/55804
1017         * tree.c (build_array_type_1): Revert earlier change.
1019 2012-12-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1021         PR target/53789
1022         * config/pa/pa.md (movsi): Reject expansion of TLS symbol references
1023         after reload starts.
1025 2012-12-21  Martin Jambor  <mjambor@suse.cz>
1027         PR tree-optimization/55355
1028         * tree-sra.c (type_internals_preclude_sra_p): Also check that
1029         bit_position is small enough to fit a single HOST_WIDE_INT.
1031 2012-12-21  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
1033         * config.gcc: Match arm*-*-uclinux*eabi* for EABI uCLinux.
1035 2012-12-18  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
1037         Backport from mainline
1038         2012-10-15  Matthias Klose  <doko@ubuntu.com>
1040         * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
1041         * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.
1043 2012-12-16  Eric Botcazou  <ebotcazou@adacore.com>
1044             Tomash Brechko  <tomash.brechko@gmail.com>
1046         PR target/55673
1047         * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
1048         handling of before and after cases.
1049         * config/sparc/sync.md (atomic_store): Fix pasto.
1051 2012-12-14  Yvan Roux  <yvan.roux@linaro.org>
1053         * optabs.c (expand_atomic_store): Elide redundant model test.
1055 2012-12-13  Richard Henderson  <rth@redhat.com>
1057         PR middle-end/55492
1058         * optabs.c (expand_atomic_load): Emit acquire barrier after the load.
1060 2012-12-11  Eric Botcazou  <ebotcazou@adacore.com>
1062         PR target/54121
1063         * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
1064         (tldo_stb_sp64): Likewise.
1065         (tldo_sth_sp32): Likewise.
1066         (tldo_sth_sp64): Likewise.
1067         (tldo_stw_sp32): Likewise.
1068         (tldo_stw_sp64): Likewise.
1069         (tldo_stx_sp64): Likewise.
1071 2012-12-10 Kai Tietz  <ktietz@redhat.com>
1073         PR target/53912
1074         * print-tree.c (print_node): Cast from pointer via uintptr_t.
1076 2012-12-07  Uros Bizjak  <ubizjak@gmail.com>
1078         Backport from mainline
1079         2012-12-06  Uros Bizjak  <ubizjak@gmail.com>
1080                     H.J. Lu  <hongjiu.lu@intel.com>
1082         PR target/55597
1083         * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
1084         before using it as insn or call equivalent.
1086 2012-12-06  Jason Merrill  <jason@redhat.com>
1088         PR c++/55032
1089         * tree.c (build_array_type_1): Re-layout if we found it in the
1090         hash table.
1092 2012-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1094         * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
1095         opaque cond in all call insns.
1097 2012-12-03  Eric Botcazou  <ebotcazou@adacore.com>
1099         * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
1100         area if the function allocates dynamic stack space.
1101         (ia64_initial_elimination_offset): Adjust offsets to above change.
1103 2012-12-03  Richard Biener  <rguenther@suse.de>
1105         Backport from mainline
1106         2012-09-24  Richard Guenther  <rguenther@suse.de>
1108         PR tree-optimization/53663
1109         * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
1110         native encode/interpret translation on VN_WALKREWRITE.
1112 2012-12-03 Kai Tietz  <ktietz@redhat.com>
1114         PR target/53912
1115         * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
1117         PR target/53912
1118         * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
1120         PR target/53912
1121         * pointer-set.c (hash1): Cast from pointer via uintptr_t.
1123 2012-12-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1125         Backport from mainline:
1126         2012-11-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1128         PR target/55195
1129         * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
1130         (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
1131         (in_nullified_branch_delay): Likewise.
1132         (in_call_delay): Likewise.
1133         Define delay for sibcall insns.  Adjust Z3 and Z4 insn reservations for
1134         new types.  Add opaque cond to mark all calls, sibcalls, dyncalls and
1135         the $$sh_func_adrs call as variable.  Update type of sibcalls and
1136         $$sh_func_adrs call.
1137         * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
1138         length instead of adjustment.  Handle negative and undefined call
1139         adjustments for insn_default_length.  Remove adjustment for millicode
1140         insn with unfilled delay slot.
1141         (pa_output_millicode_call): Update for revised millicode length.
1142         * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
1144 2012-11-29  Kai Tietz  <ktietz@redhat.com>
1146         PR target/55171
1147         * prefix.c (lookup_key): Replace xmalloc/xrealloc
1148         use by XNEWVEC/XRESIZEVEC.
1150         * i386.c (get_scratch_register_on_entry): Handle
1151         thiscall-convention.
1152         (split_stack_prologue_scratch_regno): Likewise.
1153         (ix86_static_chain): Likewise.
1154         (x86_output_mi_thunk): Likewise.
1156 2012-11-28  H.J. Lu  <hongjiu.lu@intel.com>
1158         Backported from mainline
1159         2012-11-27  H.J. Lu  <hongjiu.lu@intel.com>
1160                     Markus Trippelsdorf  <markus@trippelsdorf.de>
1162         PR lto/54795
1163         * lto-opts.c (lto_write_options): Also handle
1164         OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
1165         OPT_SPECIAL_program_name.
1167         PR lto/55474
1168         * lto-wrapper.c (merge_and_complain): Handle
1169         OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
1170         OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
1172 2012-11-27  Paolo Bonzini  <pbonzini@redhat.com>
1174         PR rtl-optimization/55489
1175         * gcse.c (compute_transp): Precompute a canonical version
1176         of XEXP (x, 0), and pass it to canon_true_dependence.
1178 2012-11-27  Richard Biener  <rguenther@suse.de>
1180         PR middle-end/55331
1181         * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
1182         stmt with a NOP instead of removing it.
1184 2012-11-26  Richard Biener  <rguenther@suse.de>
1186         Backport from mainline
1187         2012-10-19  Richard Biener  <rguenther@suse.de>
1189         PR tree-optimization/54976
1190         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
1191         Robustify against odd inner_mode inputs.
1193         2012-10-12  Richard Biener  <rguenther@suse.de>
1195         PR tree-optimization/54894
1196         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
1197         Handle over-aligned scalar types properly.
1199         2012-10-02  Richard Guenther  <rguenther@suse.de>
1201         PR middle-end/54735
1202         * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
1203         cleaning up the CFG.
1205 2012-11-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
1207         Backport from mainline
1208         2012-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
1210         * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
1211         explaining the register ordering preferences.
1213         2012-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
1214         * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
1215         constraints so that the traditional floating point loads, stores,
1216         and moves are done first, then the VSX loads, stores, and moves,
1217         and finally the GPR loads, stores, and moves so that reload
1218         chooses FPRs over GPRs, and uses the traditional load/store
1219         instructions which provide an offset.
1220         (movdf_hardfloat64): Likewise.
1222 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
1224         Backported from mainline
1225         2012-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1226                     H.J. Lu  <hongjiu.lu@intel.com>
1228         PR middle-end/55142
1229         * config/i386/i386.c (legitimize_pic_address): Properly handle
1230         REG + CONST.
1231         (ix86_print_operand_address): Set code to 'k' when forcing
1232         addr32 prefix.  For x32, zero-extend negative displacement if
1233         it < -16*1024*1024.
1235 2012-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1237         * common.opt (fvar-tracking-uninit): Document.
1238         * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
1239         * config/darwin.c (darwin_override_options): Likewise.
1241 2012-11-11  Eric Botcazou  <ebotcazou@adacore.com>
1243         * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
1244         * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
1246 2012-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1248         * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
1250 2012-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1252         * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
1253         sp_offset manually.
1255 2012-11-07  Uros Bizjak  <ubizjak@gmail.com>
1257         Backport from mainline
1258         2012-11-06  Uros Bizjak  <ubizjak@gmail.com>
1260         * config/i386/i386.c (ix86_init_machine_status): Do not
1261         explicitly clear tls_descriptor_call_expanded_p again.
1263         2012-11-06  Uros Bizjak  <ubizjak@gmail.com>
1265         * config/i386/sse.md
1266         (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
1267         as read and written by the instruction.
1269         2012-11-06  Uros Bizjak  <ubizjak@gmail.com>
1271         * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
1272         (ix86_instantiate_decls): New function.
1273         (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
1274         stack slot instead of SLOT_VIRTUAL.
1275         <case IX86_BUILTIN_STMXCSR>: Ditto.
1276         (assign_386_stack_local): Do not assert when virtual slot is valid.
1277         * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
1278         * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
1279         (truncxf<mode>2): Ditto.
1280         (floatunssi<mode>2): Ditto.
1281         (isinf<mode>2): Ditto.
1282         * config/i386/sync.md (atomic_load<mode>): Ditto.
1283         (atomic_store<mode>): Ditto.
1285 2012-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1287         PR middle-end/55219
1288         * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
1289         the argument is itself a conditional expression.
1291 2012-11-05  H.J. Lu  <hongjiu.lu@intel.com>
1293         * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
1294         REX_INT_REGNO_P.
1296 2012-11-05  Eric Botcazou  <ebotcazou@adacore.com>
1298         PR tree-optimization/54986
1299         * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
1300         conversions on entry but add them back on exit if needed.
1302 2012-11-05  Richard Sandiford  <rdsandiford@googlemail.com>
1304         PR target/55204
1305         * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
1306         pointer check.
1307         (print_reg): Use true_regnum rather than REGNO.
1308         (ix86_print_operand_address): Remove SUBREG handling.
1310 2012-11-05  Jakub Jelinek  <jakub@redhat.com>
1312         Backported from mainline
1313         2012-10-24  Jakub Jelinek  <jakub@redhat.com>
1315         PR debug/54828
1316         * gimple.h (is_gimple_sizepos): New inline function.
1317         * gimplify.c (gimplify_one_sizepos): Use it.  Remove useless
1318         final assignment to expr variable.
1319         * tree.c (RETURN_TRUE_IF_VAR): Return true also if
1320         !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
1321         into a local temporary.
1323         2012-10-10  Jakub Jelinek  <jakub@redhat.com>
1325         PR tree-optimization/54877
1326         * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
1327         use make_ssa_name instead of copy_ssa_name.
1329 2012-11-03  Peter Bergner  <bergner@vnet.ibm.com>
1331         Backport from mainline
1332         2012-10-31  Jakub Jelinek  <jakub@redhat.com>
1334         PR tree-optimization/53708
1335         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
1336         user-supplied alignment when used with an explicit section name.
1338 2012-11-02  Jeff Law  <law@redhat.com>
1340         PR tree-optimization/54985
1341         * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
1342         from thread_across_edge.
1343         (thread_across_edge): Use it in all cases where we might thread
1344         across a back edge.
1346 2012-10-31  Eric Botcazou  <ebotcazou@adacore.com>
1348         * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
1349         special register pushes before frame probing and allocation.
1351 2012-10-31  Ralf Corsépius  <ralf.corsepius@rtems.org>,
1352             Joel Sherrill  <joel.sherrill@oarcorp.com>
1354         * config/sparc/t-rtems: New (Custom multilibs).
1355         * config/sparc/t-rtems-64: New (Custom multilibs).
1356         * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
1357         (sparc-*-rtems*): Add sparc/t-rtems.
1359 2012-10-30  Eric Botcazou  <ebotcazou@adacore.com>
1361         * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
1362         head comment.
1363         (hash_rtx): Likewise.
1365 2012-10-29  Terry Guo  <terry.guo@arm.com>
1367         Backport from mainline
1368         2012-10-11  Terry Guo  <terry.guo@arm.com>
1370         * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
1371         architecture.
1372         * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
1373         instruction.
1375 2012-10-26  Gunther Nikl  <gnikl@users.sourceforge.net>
1377         * common/config/m68k/m68k-common.c (m68k_handle_option): Set
1378         gcc_options fields of opts_set for -m68020-40 and -m68020-60.
1380 2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>
1382         * config/avr/t-rtems: Revert previous commit.
1384 2012-10-26  Terry Guo  <terry.guo@arm.com>
1386         Backport from mainline
1387         2012-10-23  Terry Guo  <terry.guo@arm.com>
1389         PR target/55019
1390         * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
1391         live argument regs.
1393 2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>
1395         * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
1396         __USE_INIT_FINI__.
1397         * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
1399 2012-10-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
1401         * config.gcc (microblaze*-*-rtems*): New target.
1402         * config/microblaze/rtems.h: New.
1403         * config/microblaze/t-rtems: New.
1405 2012-10-25  Richard Biener  <rguenther@suse.de>
1407         PR tree-optimization/54902
1408         * tree-ssa-pre.c (fini_pre): Return TODO.
1409         (execute_pre): Adjust.
1410         * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
1411         blocks before computing dominators.
1413 2012-10-24  Uros Bizjak  <ubizjak@gmail.com>
1415         Backport from mainline
1416         2012-10-22  Uros Bizjak  <ubizjak@gmail.com>
1418         * config/i386/i386.c (memory_address_length): Assert that non-null
1419         base or index RTXes are registers.  Do not check for REG RTXes.
1420         Determine addr32 prefix using SImode_address_operand or
1421         from original base and index RTXes.  Simplify code.
1423         2012-10-21  Uros Bizjak  <ubizjak@gmail.com>
1425         * config/i386/i386-protos.h (memory_address_length): Add new bool
1426         argument.  Update all uses.
1427         * config/i386/i386.c (memory_address_length): If not LEA insn, then
1428         add length of addr32 prefix based on mode of base or index register.
1429         (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
1430         addresses here.  Update call to memory_address_length.
1431         (ix86_print_address_operand): Use SImode_address_operand predicate.
1432         * config/i386/predicates.md (SImode_address_operand): New.
1433         * config/i386/i386.md (lea<mode>): Use SImode_address_operand
1434         to calculate "mode" attribute.  Use SImode_address_operand predicate
1435         instead of open-coding accepted RTX codes.
1437 2012-10-22  Georg-Johann Lay  <avr@gjlay.de>
1439         Backport from 2012-10-22 trunk r192685.
1440         * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
1441         Note __AVR_<device>__ is not defined for cores.
1442         Don't point to --help=target.
1443         Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
1445 2012-10-19  Marek Polacek  <polacek@redhat.com>
1447         Backported from mainline
1448         2012-10-19  Marek Polacek  <polacek@redhat.com>
1450         PR middle-end/54945
1451         * fold-const.c (fold_sign_changed_comparison):  Punt if folding
1452         pointer/non-pointer comparison.
1454 2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>
1456         Backported from mainline
1457         2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>
1459         PR target/54892
1460         * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
1461         sure the mode is correct when falling through from above cases.
1463 2012-10-19  Alan Modra  <amodra@gmail.com>
1465         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
1466         (HAVE_LD_LARGE_TOC): Likewise.
1467         * configure: Regenerate.
1469 2012-10-19  Alan Modra  <amodra@gmail.com>
1471         * config/rs6000/predicates.md (splat_input_operand): Don't call
1472         input_operand for MEMs.  Instead check for volatile and call
1473         memory_address_addr_space_p with modified mode.
1475 2012-10-17  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
1477         Backported from mainline
1478         2012-07-23  Ulrich Weigand  <ulrich.weigand@linaro.org>
1480         * config/arm/arm.c (arm_reorg): Ensure all insns are split.
1482 2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>
1484         PR rtl-optimization/54870
1485         * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
1486         * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
1487         SSA_NAME pointer that points to a partition if there is at least
1488         one variable with it set in the partition.
1489         * dse.c (local_variable_can_escape): New predicate.
1490         (can_escape): Call it.
1491         * gimplify.c (mark_addressable): If this is a partitioned decl, also
1492         mark the SSA_NAME pointer that points to a partition.
1494 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
1496         Backport from mainline
1497         2012-08-09  Andrey Belevantsev  <abel@ispras.ru>
1499         PR rtl-optimization/53701
1500         * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
1501         rocess not only expr's vinsns but all old vinsns from expr's
1502         istory of changes.
1504 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
1506         Backport from mainline
1507         2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
1508         PR target/53975
1510         * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
1511         Revert
1512         2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
1513         * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
1514         only if producer writes to the register given by regno.
1516 2012-09-15  Uros Bizjak  <ubizjak@gmail.com>
1518         Backport from mainline
1519         2012-10-15  Uros Bizjak  <ubizjak@gmail.com>
1521         * config/i386/sse.md (UNSPEC_MOVU): Remove.
1522         (UNSPEC_LOADU): New.
1523         (UNSPEC_STOREU): Ditto.
1524         (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
1525         (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
1526         (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
1527         (<sse2>_movdqu<avxsizesuffix>): Split to ...
1528         (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
1529         (<sse2>_storedqu<avxsizesuffix>): ... this.
1530         (*sse4_2_pcmpestr_unaligned): Update.
1531         (*sse4_2_pcmpistr_unaligned): Ditto.
1533         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
1534         gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
1535         gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
1536         (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
1537         gen_sse2_load{dqu,upd} to load from unaligned memory and
1538         gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
1539         unaligned memory.
1540         (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
1541         Use CODE_FOR_sse_loadups.
1542         <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
1543         <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
1544         <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
1545         <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
1546         <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
1547         <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
1548         <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
1549         <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
1550         <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
1551         <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
1552         <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
1554 2012-10-15  Steven Bosscher  <steven@gcc.gnu.org>
1556         Backport from trunk (r190222):
1558         PR tree-optimization/54146
1559         * ifcvt.c: Include pointer-set.h.
1560         (cond_move_process_if_block): Change type of then_regs and
1561         else_regs from alloca'd array to pointer_sets.
1562         (check_cond_move_block): Update for this change.
1563         (cond_move_convert_if_block): Likewise.
1564         * Makefile.in: Fix dependencies for ifcvt.o.
1566 2012-10-15  Richard Guenther  <rguenther@suse.de>
1568         PR tree-optimization/54920
1569         * tree-ssa-pre.c (create_expression_by_pieces): Properly
1570         allocate temporary storage for all NARY elements.
1572 2012-10-08  Georg-Johann Lay  <avr@gjlay.de>
1574         PR target/54854
1575         * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
1577 2012-10-05  Mark Kettenis  <kettenis@openbsd.org>
1579         * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
1580         default_use_cxa_atexit to yes.
1582 2012-10-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1584         * config/pa/pa.md: Adjust unamed HImode add insn pattern.
1586 2012-10-05  Jan Hubicka  <jh@suse.cz>
1587             Jakub Jelinek  <jakub@redhat.com>
1589         PR tree-optimization/33763
1590         * tree-inline.c (expand_call_inline): Silently ignore always_inline
1591         attribute for redefined extern inline functions.
1593 2012-10-03  H.J. Lu  <hongjiu.lu@intel.com>
1595         Backported from mainline
1596         2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
1598         * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
1599         in SSE and YMM state support check for -march=native.
1601 2012-10-03  Alexandre Oliva <aoliva@redhat.com>
1603         PR debug/53135
1604         * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
1605         when needed.
1607 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
1609         Backported from mainline
1610         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
1612         PR target/54785
1613         * doc/invoke.texi: Document -mprefer-avx128.
1615 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
1617         Backported from mainline
1618         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
1620         PR target/54741
1621         *  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
1622         (XSTATE_FP): Likewise.
1623         (XSTATE_SSE): Likewise.
1624         (XSTATE_YMM): Likewise.
1625         (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
1626         SSE and YMM states aren't supported.
1628 2012-10-01  Tom de Vries  <tom@codesourcery.com>
1630         * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
1631         the prototype.
1633 2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1635         PR target/54746
1636         * config/s390/s390.c (s390_option_override): Add missing break.
1638 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
1640         Backport from mainline
1641         2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
1643         * config.gcc: Replace 'host' with 'target' when configuring for
1644         powerpc64*-*-freebsd.
1646 2012-09-28  Meador Inge  <meadori@codesourcery.com>
1648         Backport from mainline
1649         2012-09-27  Meador Inge  <meadori@codesourcery.com>
1651         * gcc-ar.c (main): Handle the returning of the sub-process error
1652         code correctly.
1654 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
1656         Backport from 2012-09-28 trunk r191821.
1657         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
1659 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
1661         PR target/54703
1662         * simplify-rtx.c (simplify_binary_operation_1): Perform
1663         (x - (x & y)) -> (x & ~y) optimization only for integral modes.
1665 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
1667         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
1668         TYPE_NONALIASED_COMPONENT flag.
1669         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
1670         TYPE_NONALIASED_COMPONENT flag.
1672 2012-09-21  Richard Guenther  <rguenther@suse.de>
1674         PR middle-end/54638
1675         Backport from mainline
1676         2012-04-19  Richard Guenther  <rguenther@suse.de>
1678         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
1679         array access.
1681 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
1683         PR c/54552
1684         * c-typeck.c (c_cast_expr): When casting to a type requiring
1685         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
1686         c_fully_fold first.
1688 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
1690         PR c/54103
1691         * c-typeck.c (build_unary_op): Pass original argument of
1692         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
1693         any C_MAYBE_CONST_EXPR, if it has integer operands.
1694         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
1695         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
1696         to c_objc_common_truthvalue_conversion, then remove any
1697         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
1698         c_objc_common_truthvalue_conversion not
1699         c_common_truthvalue_conversion.
1700         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
1701         call note_integer_operands for arguments with integer operands
1702         that are not integer constants.
1704 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
1706         Backported from mainline
1707         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
1709         PR tree-optimization/54563
1710         * tree-ssa-math-opts.c (execute_cse_sincos): Call
1711         gimple_purge_dead_eh_edges if last call has been changed.
1713         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
1715         PR target/54564
1716         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
1717         instead of (match_dup 0) as second argument to vec_merge.
1718         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
1719         Remove third alternative.
1720         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
1721         operand 2 instead of operand 1, but put it as first argument
1722         of fma.
1723         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
1724         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
1725         of the first.
1727 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
1729         * BASE-VER: Set to 4.7.3.
1730         * DEV-PHASE: Set to prerelease.
1732 2012-09-20  Release Manager
1734         * GCC 4.7.2 released.
1736 2012-09-15  Andi Kleen  <ak@linux.intel.com>
1738         Backport from mainline
1739         2012-09-07  Andi Kleen  <ak@linux.intel.com>
1741         * gcc/lto-streamer.h (res_pair): Add.
1742         (lto_file_decl_data): Replace resolutions with respairs.
1743         Add max_index.
1744         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
1745         Initialize respairs.
1746         (lto_file_finalize): Set up resolutions vector lazily from respairs.
1748 2012-09-14  Walter Lee  <walt@tilera.com>
1750         Backport from mainline.
1751         2012-09-14  Walter Lee  <walt@tilera.com>
1753         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
1754         option for TILEPro and TILE-Gx.
1756 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
1758         * config/i386/i386.h (x86_prefetchw): New global variable.
1759         (TARGET_PREFETCHW): New macro.
1760         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
1761         (processor_alias_table): Add PTA_PREFETCHW to
1762         bdver1, bdver2 and btver1.
1763         (ix86_option_override_internal): Set x86_prefetchw for
1764         PTA_PREFETCHW targets.
1765         * config/i386/i386.md (prefetch): Expand to prefetchw
1766         for TARGET_PREFETCHW.
1767         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
1769         Backport from mainline
1770         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
1772         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
1773         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
1774         Rename to ...
1775         (*prefetch_sse): ... this.
1776         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
1777         Rename to ...
1778         (*prefetch_3dnow): ... this.
1780 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
1782         PR c/54559
1783         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
1784         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
1786 2012-09-12  Teresa Johnson  <tejohnson@google.com>
1788         Backport from mainline.
1789         2012-09-12  Teresa Johnson  <tejohnson@google.com>
1791         PR gcov-profile/54487
1792         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
1793         test using F_SETLKW with fcntl.
1794         * configure, config.in: Regenerate.
1796 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
1798         Backport from mainline
1799         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1801         * config/i386/i386.md : Comments on fma4 instruction selection
1802         reflect requirement on register pressure based cost model.
1804         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
1805         flag is set-reset as informed by the cpuid flag.
1807         * config/i386/i386.c (processor_alias_table): fma4
1808         flag is enabled for bdver2.
1810 2012-09-12  Christian Bruel  <christian.bruel@st.com>
1812         * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
1814 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
1816         * config.gcc: Obsolete picochip-*.
1818 2012-09-11  Richard Guenther  <rguenther@suse.de>
1820         PR debug/54534
1821         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
1822         on flag_toplevel_reorder.
1824 2012-09-10  Richard Henderson  <rth@redhat.com>
1826         * config/alpha/predicates.md (small_symbolic_operand): Disallow
1827         large offsets.
1829 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
1831         Backport from 2012-09-10 mainline r191132.
1833         PR target/54536
1834         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
1836 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
1838         PR middle-end/54515
1839         * tree-sra.c (disqualify_base_of_expr): Check for possible
1840         NULL_TREE returned by get_base_address()
1842 2012-09-07  Richard Guenther  <rguenther@suse.de>
1844         Backport from mainline
1845         2012-06-26  Jan Hubicka  <jh@suse.cz>
1847         PR lto/53572
1848         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
1849         used symbols.
1851 2012-09-07  Richard Guenther  <rguenther@suse.de>
1853         Backport from mainline
1854         2012-07-13  Richard Guenther  <rguenther@suse.de>
1856         PR tree-optimization/53922
1857         * tree-vrp.c (value_inside_range): Change prototype to take
1858         min/max instead of value-range.
1859         (range_includes_zero_p): Likewise.  Return the result from
1860         value_inside_range.
1861         (extract_range_from_binary_expr_1): Adjust to handle dont-know
1862         return value from range_includes_zero_p.
1863         (extract_range_from_unary_expr_1): Likewise.
1864         (compare_range_with_value): Likewise.
1865         (vrp_meet_1): Likewise.
1867 2012-09-07  Richard Guenther  <rguenther@suse.de>
1869         PR middle-end/53667
1870         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
1871         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
1872         arguments separately.
1874 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
1876         Backported from mainline
1877         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
1879         PR rtl-optimization/54455
1880         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
1881         bb ends up with asm goto referencing bb's label.
1883 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1885         Backport from mainline.
1886         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1887                     Richard Earnshaw  <richard.earnshaw@arm.com>
1889         PR target/54252
1890         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
1891         element size. Use elem_type from the formal parameter. New parameter
1892         fcode.
1893         (neon_expand_args): Adjust call to neon_dereference_pointer.
1895 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
1897         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
1898         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
1900 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
1902         Backport from mainline
1903         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
1905         * config/i386/i386.md (isa): Add fma and fma4.
1906         (enabled): Handle fma and fma4.
1907         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
1908         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
1909         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
1910         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
1911         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
1912         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
1914         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
1916         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
1917         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
1918         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
1920 2012-09-06  Richard Guenther  <rguenther@suse.de>
1922         PR tree-optimization/54498
1923         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
1924         abort when reaching an already visited region.
1925         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
1926         (get_continuation_for_phi_1): Likewise.
1927         (walk_non_aliased_vuses): When we translated the reference,
1928         abort when we re-visit a region.
1929         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
1931 2012-09-06  Andrew Pinski  <apinski@cavium.com>
1933         PR tree-opt/54494
1934         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
1936 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
1938         PR middle-end/54486
1939         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
1940         build_int_cst with size_type_node instead of size_int.
1942 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
1944         Backport from 2012-09-05 mainline r190697.
1946         PR target/54461
1947         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
1948         configured --with-avrlibc.
1949         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
1950         --with-avrlibc.
1951         * config/avr/avrlibc.h: New file.
1952         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
1953         configured --with-avrlibc.
1954         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
1956 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
1958         Backport from 2012-09-04 mainline r190919
1960         PR target/45070
1961         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
1962         of size less than 4 bytes by using macro ARM_NUM_INTS.
1963         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
1965 2012-09-04  Richard Henderson  <rth@redhat.com>
1967         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
1969 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
1971         Backport from 2012-09-04 mainline r190920
1973         PR target/54476
1974         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
1976 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1978         Backport from 2012-09-04 mainline r190914
1980         PR target/54220
1981         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
1982         define to...
1983         (avr_allocate_stack_slots_for_args): ...this new static function.
1985 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
1987         Backported from mainline
1988         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
1990         PR driver/54335
1991         * doc/invoke.texi: Add -da and remove -dm.
1993 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
1995         Backported from mainline
1996         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
1998         PR target/54436
1999         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
2000         operands[1] is CONST_INT_P, convert it to QImode before printing.
2002         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
2004         PR c/54428
2005         * c-convert.c (convert): Don't call fold_convert_loc if
2006         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
2007         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
2008         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
2010         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
2012         PR c/54363
2013         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
2014         if init is a CONSTRUCTOR.
2016 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
2018         PR rtl-optimization/54369
2019         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
2020         calling dbr_schedule.
2021         * config/sparc/sparc.c (sparc_reorg): Likewise.
2023 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2025         Backport from mainline
2026         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
2028         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
2029         case for Atom processor.
2031 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
2033         Backport from mainline
2034         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
2036         PR target/46254
2037         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
2038         true for TARGET_64BIT or !flag_pic.
2039         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
2040         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
2041         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
2042         Add insn constraint.  Conditionally emit xchg asm insns.
2043         (atomic_compare_and_swap<mode>): Update calls.  Check only
2044         cmpxchg8b_pic_memory_operand in memory address fixup.
2045         (DCASMODE): Remove.
2046         (CASHMODE): Rename from DCASHMODE.
2047         (doublemodesuffix): Update modes.
2048         (regprefix): New mode attribute.
2050         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
2051         <UNSPECV_CMPXCHG>: New constant.
2052         (atomic_compare_and_swap<mode>_1): Rename from
2053         atomic_compare_and_swap_single<mode>.  Update calls and
2054         unspec_volatile constants.
2055         (atomic_compare_and_swap<mode>_doubleword): Rename from
2056         atomic_compare_and_swap_double<mode>.  Update calls and
2057         unspec_volatile constants.
2059 2012-08-28  Walter Lee  <walt@tilera.com>
2061         Backport from mainline
2062         2012-08-28  Walter Lee  <walt@tilera.com>
2064         * confg/tilegx/tilegx.md: Fix code style.
2065         (*zero_extendsidi_truncdisi): Fix typo.
2066         * config/tilegx/tilegx.c: Fix code style.
2067         (tilegx_function_profiler): Fix typo.
2069 2012-08-27  Walter Lee  <walt@tilera.com>
2071         Backport from mainline
2072         2012-08-27  Walter Lee  <walt@tilera.com>
2074         * doc/md.texi (TILE-Gx): Fix typo.
2076 2012-08-27  Walter Lee  <walt@tilera.com>
2078         Backport from mainline
2079         2012-08-27  Walter Lee  <walt@tilera.com>
2081         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
2082         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
2084 2012-08-27  Walter Lee  <walt@tilera.com>
2086         Backport from mainline
2087         2012-08-27  Walter Lee  <walt@tilera.com>
2089         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
2090         (insn_bfins): Delete.
2092 2012-08-27  Walter Lee  <walt@tilera.com>
2094         Backport from mainline
2095         2012-08-27  Walter Lee  <walt@tilera.com>
2097         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
2098         atomic_exchange_bare<mode>,
2099         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
2100         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
2101         * config/tilegx/tilegx.md (type): Add X1_remove.
2102         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
2103         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
2104         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
2105         X1_remote.
2107 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
2109         PR rtl-optimization/54088
2110         * jump.c (delete_related_insns): Robustify latest change.
2112 2012-08-21  Richard Guenther  <rguenther@suse.de>
2114         Backport from mainline
2115         2012-08-16  Richard Guenther  <rguenther@suse.de>
2117         PR middle-end/54146
2118         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
2119         exit vector.
2120         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
2121         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
2122         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
2123         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
2124         (tree_ssa_lim_finalize): Free all mem_refs.
2125         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
2126         scc when bailing out.
2127         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
2128         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
2129         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
2130         FOR_EACH_LOOP_BREAK.
2132         2012-08-17  Richard Guenther  <rguenther@suse.de>
2134         * tree-sra.c (modify_function): Free redirect_callers vector.
2135         * ipa-split.c (split_function): Free args_to_pass vector.
2136         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
2137         vec_oprnds.
2138         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
2139         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
2140         (vect_analyze_slp_instance): Free everything.
2141         (destroy_bb_vec_info): Free the SLP instances.
2143         2012-08-17  Richard Guenther  <rguenther@suse.de>
2145         * params.def (integer-share-limit): Decrease from 256 to 251,
2146         add rationale.
2148         2012-08-21  Richard Guenther  <rguenther@suse.de>
2150         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
2151         the affine expansion cache.
2153 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
2155         Backported from trunk
2156         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
2158         PR middle-end/53992
2159         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
2161 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2163         Backport from mainline.
2164         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2166         PR target/54212
2167         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
2168         mark as predicable. Adjust asm template.
2169         (vec_setv2di_internal): Likewise.
2170         (vec_extract<mode> VD, VQ): Likewise.
2171         (vec_extractv2di): Likewise.
2172         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
2173         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
2174         (neon_vdup_n<mode> VX, V32): Likewise.
2175         (neon_vdup_nv2di): Likewise.
2177 2012-08-17  Walter Lee  <walt@tilera.com>
2179         Backport from mainline
2180         2012-08-17  Walter Lee  <walt@tilera.com>
2182         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
2183         (FEEDBACK_ENTER): Define.
2184         (FEEDBACK_REENTER): Define.
2185         (FEEDBACK_ENTRY): Define.
2186         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
2187         (FEEDBACK_ENTER): Define.
2188         (FEEDBACK_REENTER): Define.
2189         (FEEDBACK_ENTRY): Define.
2191 2012-08-16  Walter Lee  <walt@tilera.com>
2193         Backport from mainline
2194         2012-08-16  Walter Lee  <walt@tilera.com>
2196         * config.gcc (tilegx-*-linux*): Add feedback.h.
2197         (tilepro-*-linux*): Likewise.
2198         * config/tilegx/feedback.h: New file.
2199         * config/tilepro/feedback.h: New file.
2201 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
2203         Backport from mainline r189840 and r187586:
2204         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
2206         * config/i386/i386.md (stack_protect_set): Disable the pattern
2207         for Android since Android libc (bionic) does not provide random
2208         value for stack protection guard at gs:0x14. Guard value
2209         will be provided from external symbol (default implementation).
2210         (stack_protect_set_<mode>): Likewise.
2211         (stack_protect_test): Likewise.
2212         (stack_protect_test_<mode>): Likewise.
2213         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
2214         not have Bionic by default
2215         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
2216         Macro OPTION_BIONIC is defined in this file and provides Bionic
2217         accessibility status
2219         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
2221         * configure.ac: Stack protector enabling for Android targets.
2222         * configure: Regenerate.
2224 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
2226         Backported from trunk
2227         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
2229         PR rtl-optimization/53942
2230         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
2231         directly from likely spilled non-fixed hard registers, move them
2232         to pseudo first.
2234 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
2236         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
2237         (xop_phaddubq): Ditto.
2239 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
2241         Backport from mainline
2242         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
2243                     Richard Earnshaw  <rearnsha@arm.com>
2245         * target.def (vector_alignment): New target hook.
2246         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
2247         * doc/tm.texi: Regenerate.
2248         * targhooks.c (default_vector_alignment): New function.
2249         * targhooks.h (default_vector_alignment): Add prototype.
2250         * stor-layout.c (layout_type): Use targetm.vector_alignment.
2251         * config/arm/arm.c (arm_vector_alignment): New function.
2252         (TARGET_VECTOR_ALIGNMENT): Define.
2254         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
2255         vector type alignment instead of size.
2256         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
2257         element type size directly instead of computing it from alignment.
2258         Fix variable naming and comment.
2260 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
2262         Backport from mainline
2263         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
2265         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
2266         (alpha_pad_function_end): ... this.  Also insert NOP between
2267         sibling call and GP load.
2268         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
2270 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
2272         Backport from mainline
2273         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
2274                     H.J. Lu  <hongjiu.lu@intel.com>
2276         PR rtl-optimization/54157
2277         * combine.c (gen_lowpart_for_combine): Don't return identity
2278         for CONST or symbolic reference.
2280 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
2282         Backport from mainline
2283         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
2285         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
2286         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
2287         split_cost argument signed.
2288         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
2289         (ix86_avoid_lea_for_addr): Ditto.
2291         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
2293         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
2294         the address has less than two components.
2296 2012-08-02  Steve Ellcey  <sellcey@mips.com>
2298         Backport from mainline
2299         2012-07-19  Steve Ellcey  <sellcey@mips.com>
2301         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
2302         MIPS16 mode.
2304 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
2306         Backport from mainline
2307         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
2309         PR target/53961
2310         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
2311         negative constant address for TARGET_X32 ...
2312         (ix86_decompose_address): ... here.  Reject constant addresses
2313         that don't satisfy x86_64_immediate_operand predicate.
2315         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
2317         PR target/53961
2318         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
2319         * config/i386/i386.c (ix86_print_operand_address): Ditto.
2320         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
2321         addresses.  Prevent zero extensions of CONST_INT operands.
2323         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
2325         PR target/53961
2326         * config/i386/i386.md (*lea): New insn pattern.
2327         (*lea_1): Remove.
2328         (*lea<mode>_2): Ditto.
2329         (*lea_{3,4,5,6}_zext): Ditto.
2330         * config/i386/predicates.md (lea_address_operand): Do not reject
2331         zero-extended address operands.
2332         * config/i386/constraints.md (j): Remove address constraint.
2333         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
2334         of an address.
2335         (ix86_print_operand_address): Handle SImode subreg of an address.
2336         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
2338 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
2340         Backport from mainline
2341         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
2343         PR target/52530
2344         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
2345         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
2346         to set code to 'q'.
2347         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
2348         (*movdi_internal_rex64): Use %E operand modifier for lea.
2349         (*movsi_internal): Ditto.
2350         (*lea_1): Ditto.
2351         (*lea<mode>_2): Ditto.
2352         (*lea_{3,4,5,6}_zext): Ditto.
2353         (*tls_global_dynamic_32_gnu): Ditto.
2354         (*tls_global_dynamic_64): Ditto.
2355         (*tls_dynamic_gnu2_lea_32): Ditto.
2356         (*tls_dynamic_gnu2_lea_64): Ditto.
2357         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
2359 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
2361         Backport from mainline
2362         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
2364         * config/i386/i386.c (ix86_address_subreg_operand): Reject
2365         stack pointer.
2366         (ix86_print_operand_address): Assert that parts.base and parts.index
2367         are non-NULL after call to simplify_subreg.
2369 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
2371         PR target/33135
2372         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
2373         description.
2374         * config/sh/sh.c (sh_option_override): Do not change
2375         flag_finite_math_only.  Set TARGET_IEEE to complement of
2376         flag_finite_math_only.
2377         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
2378         description of mieee and mno-ieee behavior.
2380 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
2382         PR target/53877
2383         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
2384         (_lzcnt_u64): Ditto.
2386 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
2388         Backport from mainline
2389         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
2391         PR rtl-optimization/52250
2392         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
2393         to put note list into.  Unconditionally call move_bb_info.
2394         (move_bb_info): Do not assert the blocks being in the same region,
2395         just drop the note list if they are not.
2397 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
2399         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
2401 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
2403         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
2404         defining statement is a SSA name that occurs in abnormal PHIs.
2406 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
2408         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
2409         conversions.
2411 2012-07-19  Richard Guenther  <rguenther@suse.de>
2412             Eric Botcazou  <ebotcazou@adacore.com>
2414         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
2415         about transition from invariant to known bits.
2416         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
2418 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
2420         PR middle-end/54017
2421         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
2422         (cleanup_tree_cfg_bb): Don't call it.
2423         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
2424         handling.
2426 2012-07-19  Christian Bruel  <christian.bruel@st.com>
2428         PR target/54029
2429         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
2431 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
2433         * config.gcc (v850-*-rtems*): New target.
2434         * config/v850/rtems.h: New.
2435         * config/v850/t-rtems: New.
2437 2012-07-18  Nick Clifton  <nickc@redhat.com>
2439         * doc/invoke.texi (ARM Options): Document -munaligned-access.
2441 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
2443         PR target/53961
2445         Backport from mainline
2446         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
2448         PR target/53110
2449         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
2450         instead expand it as zero extension.
2452 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
2454         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
2455         QImode and HImode splitters.  Use ix86_comparison_operator.
2456         Explicitly match FLAGS_REG.
2457         (DFmode cmove splitter): Explicitly match FLAGS_REG.
2459 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
2460             Steven Bosscher  <steven@gcc.gnu.org>
2461             Bernd Schmidt  <bernds@codesourcery.com>
2463         PR rtl-optimization/53908
2464         * df-problems.c (can_move_insns_across): When doing
2465         memory-reference book-keeping, handle call insns.
2467 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
2469         Backport from mainline
2470         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
2472         PR target/53811
2473         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
2474         sibcall_insn_operand.  Move it to a temporary register if not.
2476         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
2478         PR target/53853
2479         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
2480         emit PIC sequence for fnaddr symbol reference in advance.
2482 2012-07-09  Jason Merrill  <jason@redhat.com>
2484         PR c++/53882
2485         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
2486         (type_hash_eq): Likewise.
2488         PR c++/53826
2489         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
2491 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
2493         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
2494         due to negative shift amount.
2496 2012-07-06  Kai Tietz  <ktietz@redhat.com>
2498         Backport from mainline.
2499         PR bootstrap/52947
2500         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
2501         as "/mingw/include".
2503 2012-07-06  Nick Clifton  <nickc@redhat.com>
2505         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
2506         default_encode_section_info.
2508 2012-07-06  Richard Guenther  <rguenther@suse.de>
2510         Backport from mainline
2511         2012-03-30  Richard Guenther  <rguenther@suse.de>
2513         PR middle-end/52786
2514         * double-int.c (rshift_double): Remove not needed cast.
2516         2012-03-28  Richard Guenther  <rguenther@suse.de>
2518         PR middle-end/50708
2519         * double-int.h (rshift_double): Remove.
2520         * double-int.c (lshift_double): Use absu_hwi to make count
2521         positive.
2522         (rshift_double): Make static, take unsigned count argument,
2523         remove handling of negative count argument.
2524         (double_int_rshift): Dispatch to lshift_double.
2526 2012-07-06  Richard Guenther  <rguenther@suse.de>
2528         Backport from mainline
2529         2012-06-18  Richard Guenther  <rguenther@suse.de>
2531         PR tree-optimization/53693
2532         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
2533         Reject operands with more than one use.
2535 2012-07-06  Richard Guenther  <rguenther@suse.de>
2537         Backport from mainline
2538         2012-04-11  Richard Guenther  <rguenther@suse.de>
2540         PR middle-end/52621
2541         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
2542         consider loop nesting.
2543         (evolution_function_is_univariate_p): Properly check the remainder
2544         for chrecs.
2546 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
2548         Backport from mainline
2549         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
2551         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
2552         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
2553         (adjacent_mem_locations): Move some code to and call...
2554         (get_memref_parts): ...new function.
2555         (mem_locations_overlap): New function.
2556         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
2557         (is_mem_ref): Rename to...
2558         (find_mem_ref): ...this. Return MEM rtx.
2559         (get_store_dest): Remove function.
2560         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
2561         new parameter and adjust calls.
2562         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
2563         mem refs overlap for true_store_to_load_dep_costly.
2564         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
2565         passed to adjacent_mem_locations.
2566         (is_costly_group): Walk resolved dependency list.
2567         (force_new_group): Emit group ending nop for Power6/Power7.
2568         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
2569         (group_ending_nop): New define_insn.
2571 2012-07-04  Richard Guenther  <rguenther@suse.de>
2573         PR middle-end/53433
2574         * gimple-fold.c (get_base_constructor): Do not return an
2575         error_mark_node DECL_INITIAL.
2577 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
2579         Backport from mainline
2580         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
2582         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
2583         code model string in the error message.
2585 2012-07-04  Tristan Gingold  <gingold@adacore.com>
2587         Backport from mainline.
2588         2012-06-25  Tristan Gingold  <gingold@adacore.com>
2590         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
2591         (seh_cfa_adjust_cfa): ... that function.
2592         (seh_emit_stackalloc): Do not emit out of range values.
2593         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
2594         UNSPEC_DEF_CFA constants.
2595         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
2596         * config/i386/i386.c (ix86_frame_pointer_required): Required
2597         for very large frames on SEH target.
2598         (ix86_compute_frame_layout): Save area is before frame pointer
2599         on SEH target.  Handle very large frames.
2600         (ix86_expand_prologue): Likewise.
2602 2012-07-04  Richard Guenther  <rguenther@suse.de>
2604         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
2605         as in free_lang_data_in_type.
2607 2012-07-02  Martin Jambor  <mjambor@suse.cz>
2609         Backport from mainline.
2610         2012-07-02  Martin Jambor  <mjambor@suse.cz>
2612         PR middle-end/38474
2613         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
2614         dynamic type change check.
2616 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
2618         * tree-eh.c (lower_try_finally_switch): Really put the location of the
2619         last statement of the finally block onto the switch.
2621 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2623         * configure: Regenerate.
2625         Backport from mainline.
2626         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2628         * config.gcc (target_type_format_char): New. Document it. Set it for
2629         arm*-*-* .
2630         * configure.ac (gnu_unique_option): Use target_type_format_char
2631         in test.  Comment rationale.
2633 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2635         Backport from mainline.
2636         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2638         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
2640 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
2642         Backport from 2012-06-28 mainline r189049
2644         PR 53595
2645         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
2646         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
2647         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
2648         avr_hard_regno_call_part_clobbered.
2650 2012-06-28  Richard Guenther  <rguenther@suse.de>
2652         PR middle-end/53790
2653         * expr.c (expand_expr_real_1): Verify if the type is complete
2654         before inspecting its size.
2656 2012-06-27  Nick Clifton  <nickc@redhat.com>
2658         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
2659         input operand.
2661 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
2663         PR debug/53682
2664         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
2666 2012-06-26  Nick Clifton  <nickc@redhat.com>
2668         * config/rx/rx.md (simple_return): Use the simple_return rtx.
2670 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
2672         PR target/53759
2673         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
2674         of x x x in the vmovlps load alternative.
2676 2012-06-22  Richard Guenther  <rguenther@suse.de>
2678         * gcov-iov.c: Include bconfig.h and system.h.
2680 2012-06-22  Richard Guenther  <rguenther@suse.de>
2682         PR gcov-profile/53744
2683         * gcov-iov.c (main): Treat "" and "prerelease" the same.
2685 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
2687         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
2688         DECL_IGNORED_P non-reg vars even if they are used.
2690 2012-06-19  Jason Merrill  <jason@redhat.com>
2692         PR c++/52637
2693         * dwarf2out.c (modified_type_die): Use scope_die_for.
2694         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2695         (uses_local_type_r, uses_local_type): New.
2696         (scope_die_for): Keep a type that uses a local type in local scope.
2697         Use get_context_die for namespace and type scope.
2699 2012-06-19  Richard Guenther  <rguenther@suse.de>
2701         PR middle-end/53470
2702         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
2703         replace it with the first non-BLOCK context.
2705 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
2707         PR rtl-optimization/53700
2709         Backport from mainline
2710         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
2712         * ira-color.c (setup_left_conflict_sizes_p): Process all
2713         conflicting objects.
2715 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2717         Backport from mainline
2718         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
2720         PR target/52908
2721         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
2722         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
2723         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
2724         instead of xop_mulv2div2di3_low.
2725         (xop_p<macs>dql): Fix vec_select selector.
2726         (xop_p<macs>dqh): Ditto.
2727         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
2728         (xop_mulv2div2di3_high): Ditto.
2730 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
2732         Backport from mainline:
2733         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
2735         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
2737 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2739         Backport from mainline:
2740         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2742         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
2743         * config/pa/pa.c (pa_attr_length_millicode_call): Use
2744         MAX_PCREL17F_OFFSET instead of fixed offset.
2745         (pa_attr_length_call): Likewise.
2746         (pa_attr_length_indirect_call): Likewise.
2748 2012-06-15  Walter Lee  <walt@tilera.com>
2750         Backport from mainline:
2751         2012-06-15  Walter Lee  <walt@tilera.com>
2753         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
2755         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
2757         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
2759 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
2761         Backport from mainline:
2763         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
2764         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
2765         * gimple.h (block_in_transaction): Check for flag_tm.
2767 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
2769         PR tree-optimization/52558
2771         Backport from mainline:
2772         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
2773         * gimple.h (gimple_set_in_transaction): Remove.
2774         (gimple_in_transaction): Look in BB instead.
2775         (gimple_statement_base): Remove in_transaction field.
2776         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
2777         * trans-mem.c (compute_transaction_bits): Place transaction bit
2778         information into basic blocks.
2780         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
2782         PR tree-optimization/52558
2783         * cfg.c (alloc_aux_for_edge): Fix comment.
2784         (alloc_aux_for_edge): Remove static.
2785         * basic-block.h (alloc_aux_for_edge): Protoize.
2786         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
2787         (execute_sm_if_changed_flag): New.
2788         (execute_sm_if_changed_flag_set): New.
2789         (execute_sm): Do not generate data races unless requested.
2790         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
2791         (tree_ssa_lim_finalize): Call free_aux_for_edges.
2792         * gimple.h (block_in_transaction): New.
2793         (gimple_in_transaction): Use block_in_transaction.
2795 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
2797         Backported from mainline
2798         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
2800         PR rtl-optimization/53589
2801         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
2802         discovery even when e->dest != target.  If any LABEL_REF points
2803         to e->dest label, redirect it to target's label.
2805         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
2807         PR middle-end/53580
2808         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
2809         returns false, replace stmt with GIMPLE_NOP.
2810         (check_omp_nesting_restrictions): Instead of issuing warnings,
2811         issue errors and return false if any errors were reported.
2813 2012-06-14  Richard Guenther  <rguenther@suse.de>
2815         * BASE-VER: Set to 4.7.2.
2816         * DEV-PHASE: Set to prerelease.
2818 2012-06-12  Christian Bruel  <christian.bruel@st.com>
2820         PR target/53621
2821         * config/sh/sh.c (sh_option_override): Don't force
2822          flag_omit_frame_pointer and maccumulate_outgoing_args.
2823         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
2825 2012-06-14  Release Manager
2827         * GCC 4.7.1 released.
2829 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
2831         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
2833 2012-06-13  Richard Henderson  <rth@redhat.com>
2835         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
2836         iterator instead of INT.
2838 2012-06-08  Richard Henderson  <rth@redhat.com>
2840         PR c++/53602
2841         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
2842         note to a clobber insn when no other insn is available.
2844 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
2846         PR c++/53524
2847         * doc/invoke.texi (Wenum-compare): Update documentation.
2849 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
2851         PR target/53559
2852         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
2853         operands.
2854         (altivec_stvlxl): Ditto.
2855         (altivec_stvrx): Ditto.
2856         (altivec_stvrxl): Ditto.
2858 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
2860         PR middle-end/47530
2861         * trans-mem.c (expand_block_edges): Do not skip the first
2862         statement when resetting the BB.
2864 2012-06-04  Richard Guenther  <rguenther@suse.de>
2866         PR middle-end/53471
2867         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
2868         create new assembler names.
2870 2012-06-04  Richard Guenther  <rguenther@suse.de>
2872         Backport from mainline
2873         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
2875         PR middle-end/52979
2876         * stor-layout.c (get_best_mode): Don't return mode with bitsize
2877         larger than maxbits.  Don't compute maxbits modulo align.
2878         Also check that unit bytes long store at bitpos / unit * unit
2879         doesn't affect bits beyond bitregion_end.
2880         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
2881         would not fit into bitregion_start ... bitregion_end + 1 bit
2882         region.
2883         (store_split_bit_field): Decrease unit close to end of bitregion_end
2884         if access is restricted in order to avoid mutual recursion.
2886 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
2888         Backport from 2012-06-04 mainline r188172
2890         PR target/46261
2891         * config/avr/avr-stdint.h: New file.
2892         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
2893         newlib-stdint.h
2895 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
2897         PR tree-optimization/53550
2898         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
2899         is POINTER_TYPE_P, use sizetype as step type instead of type.
2901 2012-06-04  Richard Guenther  <rguenther@suse.de>
2902             Eric Botcazou  <ebotcazou@adacore.com>
2904         Backport from mainline
2905         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
2907         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
2908         Change type of BITOFFSET to signed.  Make sure the lower bound of
2909         the computed range is non-negative by adjusting OFFSET and BITPOS.
2910         (expand_assignment): Adjust call to get_bit_range.
2912         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2914         * expr.c (get_bit_range): Return the null range if the enclosing record
2915         is part of a larger bit field.
2917         2012-03-20  Richard Guenther  <rguenther@suse.de>
2919         * stor-layout.c (finish_bitfield_representative): Fallback
2920         to conservative maximum size if the padding up to the next
2921         field cannot be computed as a constant.
2922         (finish_bitfield_layout): If we cannot compute the distance
2923         between the start of the bitfield representative and the
2924         bitfield member start a new representative.
2925         * expr.c (get_bit_range): The distance between the start of
2926         the bitfield representative and the bitfield member is zero
2927         if the field offsets are not constants.
2929         2012-03-16  Richard Guenther  <rguenther@suse.de>
2931         * stor-layout.c (finish_bitfield_representative): Fall back
2932         to the conservative maximum size if we cannot compute the
2933         size of the tail padding.
2935         2012-03-14  Richard Guenther  <rguenther@suse.de>
2937         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
2938         * stor-layout.c (start_bitfield_representative): New function.
2939         (finish_bitfield_representative): Likewise.
2940         (finish_bitfield_layout): Likewise.
2941         (finish_record_layout): Call finish_bitfield_layout.
2942         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
2943         for QUAL_UNION_TYPE fields.
2944         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2945         Stream DECL_BIT_FIELD_REPRESENTATIVE.
2946         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2948         PR middle-end/52080
2949         PR middle-end/52097
2950         PR middle-end/48124
2951         * expr.c (get_bit_range): Unconditionally extract bitrange
2952         from DECL_BIT_FIELD_REPRESENTATIVE.
2953         (expand_assignment): Adjust call to get_bit_range.
2955 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2957         PR middle-end/53501
2958         * fold-const.c (fold_binary_loc): Refine previous change.
2960 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
2962         Backport from mainline
2963         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
2965         PR target/52667
2966         * config/sh/sh.c (find_barrier): Add equality check of last_got to
2967         avoid going above orig insn.  Update comments.
2969 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
2971         Backport from mainline
2972         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2974         PR target/52642
2975         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
2976         prologue for unwinder and profiler.
2978 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
2980         Backport from mainline
2981         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2983         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
2985 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
2987         Backport from mainline
2988         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2990         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
2991         DBX_REGISTER_NUMBER.
2993 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
2995         Backport from mainline
2996         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2998         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
2999         operand is CONST_INT.  Take COSTS_N_INSNS into account.
3000         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
3001         shiftcosts.     
3003 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3005         * config/avr/avr.opt (-msp8): Document it.
3006         * doc/invoke.texi (AVR Options): Copy from trunk docu.
3008 2012-05-31  Richard Guenther  <rguenther@suse.de>
3010         PR middle-end/48493
3011         * expr.c (expand_assignment): Do not use movmisalign on
3012         non-memory.
3014 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3016         PR target/52999
3017         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
3018         (pa_section_type_flags): New.
3019         (pa_legitimate_constant_p): Revert previous change.
3021 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
3023         Backport from mainline
3024         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
3026         PR middle-end/53008
3027         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
3028         accessed indirectly.
3029         (ipa_tm_create_version): Same.
3031 2012-05-30  Jason Merrill  <jason@redhat.com>
3033         PR c++/53220
3034         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
3035         about array compound literals.
3037 2012-05-30  Richard Guenther  <rguenther@suse.de>
3039         PR middle-end/53501
3040         * fold-const.c (fold_binary_loc): Make sure to call
3041         fold_plusminus_mult_expr with the original sign of operands.
3043 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3045         * explow.c (probe_stack_range): Restore simple control flow and stop
3046         again when the probe cannot be generated if HAVE_check_stack.
3048 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
3050         PR rtl-optimization/53519
3051         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
3052         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
3054 2012-05-29  Richard Guenther  <rguenther@suse.de>
3056         PR tree-optimization/53516
3057         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
3058         bitfield accesses.
3059         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
3061 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
3063         Backport from mainline
3064         2012-05-28  Richard Guenther  <rguenther@suse.de>
3066         PR tree-optimization/53438
3067         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
3069 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
3071         Backport from mainline
3072         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
3074         PR rtl-optimization/52528
3075         * combine.c (can_combine_p): Add setting of subst_low_luid
3076         before call to expand_field_assignment().
3078 2012-05-26  Martin Jambor  <mjambor@suse.cz>
3080         Backport from mainline
3081         2012-05-23  Martin Jambor  <mjambor@suse.cz>
3083         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
3085 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3087         PR lto/52178
3088         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
3089         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
3091 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3093         PR target/53435
3094         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
3095         (ix86_expand_vec_perm): Use int mode instead of float.
3097 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3099         PR ada/52362
3100         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
3101         gnu_ld variables to yes.
3102         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
3103         (HAVE_GNU_AS): Likewise.
3104         * config.in: Regenerate.
3105         * configure: Likewise.
3107 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3109         Backport from mainline
3110         2012-03-12  Richard Guenther  <rguenther@suse.de>
3111         * config/arm/arm.c (neon_dereference_pointer): Do not call
3112         covert during RTL expansion.
3114 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3116         Backport from mainline
3117         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3119         PR target/53385
3120         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
3121         relied on signed overflow behavior.
3123 2012-05-24  Richard Guenther  <rguenther@suse.de>
3125         PR middle-end/53460
3126         * tree-profile.c (tree_profiling): Cleanup the CFG if
3127         execute_fixup_cfg requests it.
3129 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
3131         PR tree-optimization/53465
3132         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
3133         vr0 into *vr, then vrp_meet that.
3134         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
3135         have any equivalences.
3136         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
3137         first time.
3139 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
3141         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
3142         size handling.
3143         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
3144         (iterative_hash_gimple_type): Adjust comment.
3145         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
3146         domain for an array type instead of the domain type itself.
3148 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
3150         Backport from 2012-05-23 mainline r187803
3152         PR target/53448
3153         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
3154         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
3155         ASM_OUTPUT_ALIGN.
3157 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
3159         Backport from 2012-05-03 mainline r187075
3161         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
3162         has_fma4 for AMD processors with both fma3 and fma4 support.
3164 2012-05-22  Richard Guenther  <rguenther@suse.de>
3166         PR tree-optimization/53408
3167         * tree-vect-loop.c (vectorizable_induction): Properly check
3168         the restriction that we cannot handle induction results from
3169         the inner loop outside of the outer loop.
3171 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
3173         PR tree-optimization/53436
3174         * omp-low.c (omp_build_component_ref): New function.
3175         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
3177         PR tree-optimization/53366
3178         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
3179         tests if complex_numbers == 2, but there are non-complex number loads
3180         too.
3182         PR tree-optimization/53409
3183         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
3184         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
3186         PR tree-optimization/53410
3187         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
3188         instead of build_int_cst (type, 0) where vector types might be
3189         involved.
3191 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
3193         PR c/53418
3194         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
3195         from folded operands before wrapping another around the
3196         conditional expression.
3198 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
3199             Patrick Marlier  <patrick.marlier@gmail.com>
3201         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
3202         indirect calls.
3204 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3206         Backport from mainline
3207         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3209         PR target/53416
3210         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
3211         (UNSPECV_RDRAND): This.
3212         (rdrand<mode>_1): Updated.
3214 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
3216         Backport from mainline
3217         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
3219         * config/i386/driver-i386.c (host_detect_local_cpu): Support
3220         RDRND, F16C and FSGSBASE.
3222 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
3224         Backport from mainline
3225         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
3227         * tree-ssa-pre.c (can_value_number_call): Delete.
3228         (compute_avail): Skip all statements with side effects.
3229         <GIMPLE_CALL>: Skip calls to internal functions.
3231 2012-05-18  David S. Miller  <davem@davemloft.net>
3233         Backport r185385 from mainline
3234         2012-03-14  Richard Guenther  <rguenther@suse.de>
3236         PR middle-end/52584
3237         * tree-vect-generic.c (type_for_widest_vector_mode): Take
3238         element type instead of mode, use build_vector_type_for_mode
3239         instead of the langhook, build a vector of proper signedness.
3240         (expand_vector_operations_1): Adjust.
3242 2012-05-18  Olivier Hainque  <hainque@adacore.com>
3244         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
3245         $(libsubdir) as libexecsubdir.
3247 2012-05-16  Andrew Pinski  <apinski@cavium.com>
3249         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
3250         GIMPLE_ASSIGN.
3252 2012-05-16  David S. Miller  <davem@davemloft.net>
3254         * jump.c (delete_related_insns): If we remove a CALL, make sure
3255         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
3257 2012-05-16  Richard Henderson  <rth@redhat.com>
3259         PR debug/52727
3260         * combine-stack-adj.c (prev_active_insn_bb): New.
3261         (next_active_insn_bb): New.
3262         (force_move_args_size_note): New.
3263         (combine_stack_adjustments_for_block): Use it.
3265 2012-05-16  Olivier Hainque  <hainque@adacore.com>
3267         * Makefile.in (install-no-fixedincludes): New target, former toplevel
3268         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
3269         Add comments and improve stamp preservation across the whole sequence.
3270         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
3272 2012-05-16  Richard Guenther  <rguenther@suse.de>
3274         PR tree-optimization/53364
3275         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
3276         detect a view-conversion of the decl.
3278 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
3280         PR target/53358
3281         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
3282         that operands[2] is either immediate, or q_regs_operand.
3284 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
3286         Backport r187139 from mainline.
3287         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
3289         PR rtl-optimization/52804
3290         * reload1.c (reload_reg_reaches_end_p): Check whether successor
3291         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
3292         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
3293         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
3294         RELOAD_FOR_OUTADDR_ADDRESS.
3296 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
3298         PR target/46098
3299         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
3300         generate target register for "load" class builtins.
3302         Revert:
3303         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
3305         PR target/46098
3306         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
3307         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
3308         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
3309         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
3310         (<sse>_movu<ssemodesuffix>): New expander.
3311         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
3312         (avx_movdqu<avxmodesuffix>): New expander.
3313         (*sse2_movdqu): Rename from sse2_movdqu.
3314         (sse2_movdqu): New expander.
3316 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
3318         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
3319         lineno 1 the same as lineno 0 before first start file directive.
3320         (optimize_macinfo_range): Likewise.
3322         * dwarf2out.c (have_macinfo): Define.
3323         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
3324         attribute, don't force empty compilation unit and don't emit any
3325         .debug_macinfo/.debug_macro section if macinfo_table is empty.
3327 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
3329         Backport from mainline
3330         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
3332         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3333         ORDERED and UNORDERED conditions.
3335 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
3337         * function.c (requires_stack_frame_p): If the function can throw
3338         non-call exceptions, return true if the insn can throw internally.
3340 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
3342         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
3343         DECL_ORIGINAL_TYPE if it is present.
3345 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
3347         Backport from 2012-05-12 mainline r187342.
3349         PR target/53256
3350         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
3351         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
3352         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
3353         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
3354         (expand_prologue): Move initialization of cfun->machine->is_naked,
3355         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
3356         (avr_set_current_function): ...this new static function.
3357         (TARGET_SET_CURRENT_FUNCTION): New define.
3358         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
3359         checking attributes of current_function_decl.
3360         (avr_regs_to_save): Ditto.
3361         (signal_function_p): Rename to avr_signal_function_p.
3362         (interrupt_function_p): Rename to avr_interrupt_function_p.
3364         * doc/extend.texi (Function Attributes): Better explanation of
3365         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
3366         alphabetical order.
3368 2012-05-09  Matthias Klose  <doko@ubuntu.com>
3370         * gcc-ar.c (main): Don't check for execute bits for the plugin.
3372 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
3374         PR target/53272
3375         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
3376         when a constant source operand matches an "I" constraint, the "no
3377         CC0 change" applies to a register-destination only, not a
3378         strict_low_part-destination.
3380 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3382         Backport from mainline:
3383         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3385         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
3387 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
3389         PR tree-optimization/53239
3390         * tree-vrp.c (get_value_range): Set VR of
3391         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
3392         to nonnull.
3394 2012-05-07  Richard Guenther  <rguenther@suse.de>
3396         PR tree-optimization/53195
3397         * tree-inline.c (setup_one_parameter): Properly add referenced
3398         vars from the parameters new known value.
3400 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3402         Backport from mainline:
3403         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3405         PR target/52999
3406         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
3407         in constant pool.
3409 2012-05-04  Ian Lance Taylor  <iant@google.com>
3411         * tree-vect-patterns.c (vect_single_imm_use): Correct return
3412         values from false to NULL.
3414 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
3416         Backport from mainline
3417         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
3419         PR target/53228
3420         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
3421         (TARGET_CMOV): Rename from TARGET_CMOVE.
3422         (TARGET_CMOVE): New define.
3423         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
3424         Do not set TARGET_CMOVE here.
3426 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3428         Backport from mainline:
3430         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3432         PR tree-optimization/52633
3433         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
3434         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
3435         (vect_recog_over_widening_pattern): Remove handling of code that was
3436         already detected as over-widening pattern.  Remove special handling
3437         of "unsigned" cases.  Instead, support general case of conversion
3438         of the shift result to another type.
3440         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3442         * tree-vect-patterns.c (vect_single_imm_use): New function.
3443         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
3444         (vect_recog_over_widening_pattern): Likewise.
3445         (vect_recog_widen_shift_pattern): Likewise.
3447         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
3449         PR tree-optimization/52870
3450         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
3451         presumed pattern statement is within the same loop or basic block.
3453 2012-05-04  Richard Guenther  <rguenther@suse.de>
3455         * common.opt (flto-report): Do not mark as Optimization.
3457 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3459         PR target/48496
3460         * recog.c (constrain_operands): If extra constraints are present, also
3461         accept pseudo-registers with equivalent memory locations during reload.
3463 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
3465         Backport from the mainline
3466         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
3468         PR target/53199
3469         * config/rs6000/rs6000.md (bswapdi splitters): If
3470         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
3471         default) is used, generate an alternate sequence that does not
3472         depend on using indexed addressing.
3474 2012-05-03  David S. Miller  <davem@davemloft.net>
3476         PR target/52684
3477         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
3478         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
3479         (sparc_emit_float_lib_cmp): Likewise.
3481 2012-05-04  Martin Jambor  <mjambor@suse.cz>
3483         Backport from mainline
3484         2012-05-02  Martin Jambor  <mjambor@suse.cz>
3486         PR lto/52605
3487         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
3488         of a variable when the contect is a function.
3490 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
3492         PR plugins/53126
3493         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
3494         append program name to it and pass that as first argument
3495         to make_relative_prefix.  Always pass standard_libexec_prefix
3496         as last argument to make_relative_prefix.  If
3497         make_relative_prefix returns NULL, fall back to
3498         standard_libexec_prefix.
3500         PR debug/53174
3501         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
3502         removed.
3504         PR target/53187
3505         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
3506         mode, return that mode.
3508 2012-05-03  Richard Guenther  <rguenther@suse.de>
3510         PR tree-optimization/53144
3511         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
3512         Rename to ...
3513         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
3514         with SSA name values.
3515         (vn_reference_lookup_3): Adjust callers.
3517 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
3519         PR tree-optimization/53163
3520         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
3521         return value from compute_all_dependences.
3523         PR rtl-optimization/53160
3524         * ree.c (combine_reaching_defs): Handle the case where cand->insn
3525         has been modified by ree pass already.
3527 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
3529         Backport from mainline
3530         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
3532         PR middle-end/53136
3533         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
3534         calls to cgraph_node_name in xstrdup.
3535         (ipa_make_edge_direct_to_target): Ditto.
3536         * tree-sra.c (convert_callers_for_node): Ditto.
3537         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
3538         * ipa-cp.c (perhaps_add_new_callers): Ditto.
3539         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
3540         (cgraph_materialize_all_clones): Ditto.
3541         * ipa-inline.c (report_inline_failed_reason): Ditto.
3542         (want_early_inline_function_p): Ditto.
3543         (edge_badness): Ditto.
3544         (update_edge_key): Ditto.
3545         (flatten_function): Ditto.
3546         (ipa_inline): Ditto.
3547         (inline_always_inline_functions): Ditto.
3548         (early_inline_small_functions): Ditto.
3550 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
3552         Backport from mainline
3553         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
3555         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
3556         Introduce emul_name to select the right linker emulation for
3557         powerpc64-*-freebsd*.
3558         * configure: Regenerate.
3559         * config.gcc: Add bits to support powerpc64-*-freebsd*.
3560         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
3561         * config/rs6000/freebsd64.h: New file.
3562         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
3563         POWERPC_FREEBSD.
3564         (rs6000_savres_strategy): Likewise.
3565         (rs6000_savres_routine_name): Likewise.
3566         (rs6000_elf_file_end): Likewise.
3567         * config/rs6000/t-freebsd64: New file.
3568         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
3569         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
3571 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
3573         Backport from mainline
3574         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
3576         PR target/53138
3577         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3579 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3581         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
3582         predicate to discriminate types.
3584 2012-04-27  Richard Guenther  <rguenther@suse.de>
3586         PR c/51527
3587         * convert.c (convert_to_integer): Avoid infinite recursion for
3588         target-defined built-in types.
3590 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
3592         PR target/53120
3593         * config/cris/cris.md ("*andhi_lowpart_v32")
3594         ("*andqi_lowpart_v32"): Change first input-only operand from
3595         a (match_operand ...) to (match_dup 0).  Drop alternatives with
3596         const_int-matching constraints for redundancy.
3597         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
3598         three-operand alternative.
3600 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
3602         Backport from mainline
3603         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
3605         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3606         (*addsi_2_zext): Ditto.
3607         (*add<mode>_3): Ditto.
3608         (*addsi_3_zext): Ditto.
3609         (*add<mode>_5): Ditto.
3611 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3613         PR c/52880
3614         * c-typeck.c (set_nonincremental_init,
3615         set_nonincremental_init_from_string): Pass true instead of false
3616         as IMPLICIT to add_pending_init.
3618 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
3620         Backport from 2012-04-24 mainline r186768.
3622         PR target/53065
3623         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3625 2012-04-24  Richard Guenther  <rguenther@suse.de>
3627         PR tree-optimization/53085
3628         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3629         stores.
3631 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
3633         PR middle-end/53084
3634         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
3635         of MEM_REF.
3636         (output_addressed_constants): Likewise.
3638         PR middle-end/52999
3639         * varasm.c (get_section): Don't ICE for section conflicts with
3640         built-in section kinds.
3642 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
3644         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
3646 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
3648         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3650 2012-04-23  Richard Guenther  <rguenther@suse.de>
3652         PR c/53060
3653         * c-typeck.c (build_binary_op): Fix typo.
3655 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
3657         PR tree-optimizations/52891
3658         * tree-vect-patterns.c (adjust_bool_pattern): Use
3659         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3660         but with non-standard precision.
3662 2012-04-22  Ian Lance Taylor  <iant@google.com>
3664         * godump.c (go_output_typedef): Dump size of structs.
3666 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
3668         Backport from mainline:
3670         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
3671         hints for 'A' operand types.
3673 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
3675         Backport from 2012-04-19 mainline r186588.
3677         PR target/53033
3678         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
3679         the case *(X+const).
3681 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
3683         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
3685 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
3687         PR target/53020
3688         * config/i386/sync.md (atomic_<code><mode>): Rename to
3689         atomic_<logic><mode>.
3691 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
3693         Backport from mainline
3694         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
3696         PR target/52932
3697         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
3698         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
3699         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
3700         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
3701         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
3702         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
3703         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
3704         gen_avx2_permvarv8sf.
3706 2012-04-16  Martin Jambor  <mjambor@suse.cz>
3708         Backported from mainline
3710         2012-04-13  Martin Jambor  <mjambor@suse.cz>
3711         PR middle-end/52939
3713         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
3714         fold_ctor_reference returns a zero constant.
3716 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
3718         Backported from mainline
3719         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
3721         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
3722         and __ILP32__ for x32.
3724 2012-04-13  Tom de Vries  <tom@codesourcery.com>
3726         Backport from mainline r186418.
3728         2012-04-13  Tom de Vries  <tom@codesourcery.com>
3730         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
3731         parameters vuse and vuse_escaped.
3732         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
3733         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
3734         vuse1 != vuse2.
3736 2012-04-13  Richard Guenther  <rguenther@suse.de>
3738         PR tree-optimization/52969
3739         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
3740         the condition for the COND_EXPR and handle predicate negation
3741         by swapping the COND_EXPR arms.
3743 2012-04-13  Richard Guenther  <rguenther@suse.de>
3745         PR c/52862
3746         * convert.c (convert_to_pointer): Remove special-casing of
3747         zero.
3749 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3751         Backport from mainline
3752         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3754         PR target/52775
3755         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
3756         the list of options to enable the FCFID instruction.
3757         (TARGET_EXTRA_BUILTINS): Adjust comment.
3759 2012-04-12  Richard Guenther  <rguenther@suse.de>
3761         PR tree-optimization/52943
3762         * tree-chrec.h (chrec_is_positive): Remove.
3763         * tree-scalar-evolution.c (chrec_is_positive): Move ...
3764         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
3765         Return false for a constant zero instead of negative.
3766         (analyze_siv_subscript_cst_affine): Handle zero difference
3767         in the initial condition explicitely.
3769 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3771         PR middle-end/52894
3772         * varasm.c (process_pending_assemble_externals): Set
3773         pending_assemble_externals_processed true.
3774         (assemble_external): Call assemble_external_real if the pending
3775         assemble externals have been processed.
3777 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3779         PR target/52717
3780         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
3781         the DECL generated for the special GOT helper.
3783 2012-04-06  Walter Lee  <walt@tilera.com>
3785         Backport from mainline
3786         2012-03-07  Walter Lee  <walt@tilera.com>
3788         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
3789         REG_CFA_* notes for the stack pointer.
3790         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
3791         EH_RETURN_STACKADJ_RTX.
3792         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
3793         generate REG_CFA_* notes for the stack pointer.
3794         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
3795         by EH_RETURN_STACKADJ_RTX.
3797 2012-04-06  Matt Turner  <mattst88@gmail.com>
3799         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
3801 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
3803         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
3804         of the destination isn't also a FP_REGS register.
3806 2012-04-03  Richard Guenther  <rguenther@suse.de>
3808         Backport from mainline
3809         2012-03-02  Richard Guenther  <rguenther@suse.de>
3811         PR tree-optimization/52406
3812         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
3813         (struct indices): Add unconstrained_base member.
3814         (struct dr_alias): Remove unused vops member.
3815         (DR_UNCONSTRAINED_BASE): New define.
3816         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
3817         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
3818         be an artificial access that covers the whole indexed object,
3819         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
3820         plain decl base-objects to their MEM_REF variant.
3821         (dr_may_alias_p): When the base-object of either data reference
3822         has unknown size use only points-to information.
3823         (compute_affine_dependence): Make dumps easier to read and
3824         more verbose.
3825         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
3826         DR_REF when looking for packed references.
3827         (vect_supportable_dr_alignment): Likewise.
3829 2012-04-03  Richard Guenther  <rguenther@suse.de>
3831         Backport from mainline
3832         2012-03-15  Richard Guenther  <rguenther@suse.de>
3834         PR middle-end/52580
3835         * tree-data-ref.c (subscript_dependence_tester_1): Check
3836         all dimensions for non-conflicting access functions.
3838 2012-04-03  Richard Guenther  <rguenther@suse.de>
3840         Backport from mainline
3841         2012-03-06  Richard Guenther  <rguenther@suse.de>
3843         PR middle-end/52493
3844         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
3846         2012-03-23  Richard Guenther  <rguenther@suse.de>
3848         PR tree-optimization/52678
3849         * tree-vectorizer.h (struct _stmt_vec_info): Add
3850         loop_phi_evolution_part member.
3851         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
3852         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
3853         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
3854         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3855         Use the cached evolution part and the PHI nodes value from
3856         the loop preheader edge instead of re-analyzing the evolution.
3858         2012-03-26  Richard Guenther  <rguenther@suse.de>
3860         PR tree-optimization/52701
3861         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
3862         compute and set the evolution part of PHI nodes.
3864         2012-03-30  Richard Guenther  <rguenther@suse.de>
3866         PR tree-optimization/52754
3867         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
3868         propagate arbitrary addresses into really plain dereferences.
3870 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
3872         PR tree-optimization/52835
3873         * tree-data-ref.c (build_rdg): Return NULL if
3874         compute_data_dependences_for_loop failed.
3876 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
3878         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
3879         (stmt_can_make_abnormal_goto): Use it.
3880         (is_ctrl_altering_stmt): Likewise.
3882 2012-03-31  Martin Jambor  <mjambor@suse.cz>
3884         Backported from mainline
3885         2012-03-30  Martin Jambor  <mjambor@suse.cz>
3887         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
3888         is a builtin_stack_save in a dominating BB.
3890 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
3892         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
3893         crossing 128bit lane boundary.
3895 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
3897         Backported from mainline
3898         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
3900         PR target/52698
3901         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
3902         New prototype.
3903         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
3904         * config/i386/i386.c: Include reload.h.
3905         (ix86_legitimize_reload_address): New function.
3907 2012-03-28  Martin Jambor  <mjambor@suse.cz>
3909         Backported from mainline
3910         2012-03-27  Martin Jambor  <mjambor@suse.cz>
3912         PR middle-end/52693
3913         * tree-sra.c (sra_modify_assign): Do not call
3914         load_assign_lhs_subreplacements when working with an unscalarizable
3915         region.
3917 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
3919         PR middle-end/52691
3920         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
3921         __builtin_va_start to __builtin_next_arg if the latter is
3922         builtin_decl_explicit_p rather than when it is not.
3924         PR middle-end/52750
3925         * tree-vect-generic.c (vector_element): Perform multiplication
3926         for pos in bitsizetype type instead of idx type.
3928 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
3930         Backport from 2012-03-28 mainline r185910.
3932         PR target/52692
3933         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
3934         (avr_builtin_decl): New static function.
3935         (struct avr_builtin_description, avr_bdesc): Move up.
3936         Add GTY marker. Add field fndecl. Remove redundant field id.
3937         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
3938         (avr_expand_builtin): Code cleanup because .id is removed.
3940 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
3942         PR middle-end/51893
3943         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
3944         targets.
3946 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
3948         Backport from 2012-03-28 mainline r185907.
3950         PR target/52737
3951         * config.gcc (tm_file): Remove avr/multilib.h.
3953         * doc/invoke.texi (AVR Options): Adjust
3954         documentation of -mtiny-stack.
3956         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
3957         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
3958         * config/avr/t-avr: Remove generation of multilib.h.
3959         * config/avr/t-multilib: Regenerate.
3960         * config/avr/multilib.h: Remove.
3961         * config/avr/avr.opt (-msp8): New option.
3962         (avr_sp8): New variable.
3963         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
3964         * config/avr/avr.h (AVR_HAVE_SPH): New define.
3965         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
3966         (avr_device_to_sp8): New prototype.
3967         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
3968         (DRIVER_SELF_SPECS): New define.
3969         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
3970         __AVR_SP8__, __AVR_HAVE_SPH__.
3971         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
3972         AVR_HAVE_8BIT_SP to decide if SP_H is present.
3973         (avr_file_start): Ditto.
3975 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
3977         PR target/52736
3978         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
3979         instead of 8 in adjust_address.
3981 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
3983         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
3984         of a unit before computing the offset in units.
3986 2012-03-27  Richard Guenther  <rguenther@suse.de>
3988         PR middle-end/52720
3989         * fold-const.c (try_move_mult_to_index): Handle &x.array more
3990         explicitely.
3992 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
3994         PR target/52610
3995         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
3997 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
3999         PR middle-end/52640
4000         * varasm.c: Include pointer-set.h.
4001         (pending_assemble_externals_set): New pointer set.
4002         (process_pending_assemble_externals): Destroy the pointer set.
4003         (assemble_external): See if decl is in pending_assemble_externals_set,
4004         and add it to pending_assemble_externals if necessary.
4005         (init_varasm_once): Allocate pending_assemble_externals_set.
4007 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
4009         Backported from mainline
4010         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
4012         PR target/50310
4013         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
4014         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
4015         (vector_ltgt<mode>): Likewise.
4016         (vector_ordered<mode>): Likewise.
4017         (vector_unordered<mode>): Likewise.
4018         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
4020 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
4022         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
4023         Make static.
4025 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4027         Backported from mainline
4028         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
4030         PR target/48596
4031         PR target/48806
4032         * config/sh/sh.c (sh_register_move_cost): Increase cost between
4033         GENERAL_REGS and FP_REGS for SImode.
4035 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
4037         PR middle-end/52547
4038         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
4039         on any new_local_var_chain vars declared during recursing on
4040         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
4042 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
4044         Backport from 2012-03-22 mainline r185692.
4046         PR target/52496
4047         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
4048         (unspecv): Add UNSPECV_MEMORY_BARRIER.
4049         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
4050         (delay_cycles_1, delay_cycles_2): Ditto.
4051         (delay_cycles_3, delay_cycles_4): Ditto.
4052         (nopv, *nopv): Ditto.
4053         (sleep, *sleep): Ditto.
4054         (wdr, *wdr): Ditto.
4056         Backport from 2012-03-21 mainline r185605.
4058         PR rtl-optimization/52543
4059         PR target/52461
4060         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
4061         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
4062         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
4063         (avr_load_libgcc_p): Restrict to __flash loads.
4064         (avr_out_lpm): Only handle 1-byte loads from __flash.
4065         (avr_load_lpm): New function.
4066         (avr_find_unused_d_reg): Remove.
4067         (avr_out_lpm_no_lpmx): Remove.
4068         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
4069         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
4070         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
4071         (load_<mode>, load_<mode>_clobber): New insns.
4072         (mov<mode>): For multi-byte move from non-generic
4073         16-bit address spaces: Expand to load_<mode> resp.
4074         load_<mode>_clobber.
4075         (load<mode>_libgcc): Remove expander.
4076         (split-lpmx): Remove split.
4078         Backport from 2012-03-13 mainline r185329.
4080         PR target/52488
4081         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
4082         offset (size) to a value the insns can deal with.
4083         (expand_epilogue): Ditto.
4085         Backport from 2012-03-12 mainline r185256.
4087         PR target/52499
4088         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
4089         type from reg_class_t to enum reg_class.
4090         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
4092         Backport from 2012-03-12 mainline r185253.
4094         PR target/52148
4095         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
4096         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
4097         r184615 from 2012-02-28.
4099         Backport from 2012-03-08 mainline r185105.
4101         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
4102         for constants in [-63,63].
4104         Backport from 2012-03-08 mainline r185100.
4106         PR target/52496
4107         * config/avr/avr.c (avr_mem_clobber): New static function.
4108         (avr_expand_delay_cycles): Add memory clobber operand to
4109         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
4110         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
4111         (enable_interrupt, disable_interrupt): New expander.
4112         (nopv, sleep, wdr): New expanders.
4113         (delay_cycles_1): Add memory clobber.
4114         (delay_cycles_2): Add memory clobber.
4115         (delay_cycles_3): Add memory clobber.
4116         (delay_cycles_4): Add memory clobber.
4117         (cli_sei): New insn from former "enable_interrupt",
4118         "disable_interrupt" with memory clobber.
4119         (*wdt): New insn from former "wdt" with memory clobber.
4120         (*nopv): Similar, but for "nopv".
4121         (*sleep): Similar, but for "sleep".
4123         Backport from 2012-03-07 mainline r185043.
4125         PR target/52484
4126         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
4128         Backport from 2012-03-07 mainline r185032.
4130         PR target/52506
4131         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
4132         to: RAMPZ, RAMPY, RAMPX, RAMPD.
4133         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
4135         Backport from 2012-03-07 mainline r185031.
4137         PR target/52505
4138         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
4139         from RAM.
4140         * config/avr/avr.md (xload_8): Adjust insn length.
4142         Backport from 2012-03-07 mainline r185030.
4144         PR target/52461
4145         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
4146         if RAMPZ affects reading from RAM.
4148         Backport from 2012-03-05 mainline r184919.
4150         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
4152 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
4154         Backport from mainline r185259.
4156         PR other/52545
4157         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
4158         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
4160 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
4162         Backported from mainline
4163         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
4165         PR c/52577
4166         * c-parser.c (c_parser_postfix_expression)
4167         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
4169         * config/i386/smmintrin.h: Avoid /* within a comment.
4170         * config/i386/nmmintrin.h: Likewise.
4172 2012-03-22  Richard Guenther  <rguenther@suse.de>
4174         * BASE-VER: Set to 4.7.1.
4175         * DEV-PHASE: Set to prerelease.
4177 2012-03-22  Release Manager
4179         * GCC 4.7.0 released.
4181 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4183         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
4185 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
4186             Andrew Pinski  <apinski@cavium.com>
4188         PR middle-end/52592
4189         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
4190         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
4191         calls instead of __builtin_ir{int,ound}*.
4193 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
4195         PR c++/52582
4196         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
4197         if c_node is NULL.
4199 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
4201         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
4202         Refer to GCC 4.7 version of c99status.html.
4204 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4206         Backport from mainline
4207         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4209         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
4210         redefine to be NULL if the current bit-size is different from the
4211         configured bit-size.
4213         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
4214         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
4215         set the default tuning.  Add asserts to make sure the cpu and tune
4216         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
4217         test whether the index is set, instead of > 0.
4218         (rs6000_file_start): Do not reset the default cpu if the current
4219         bit-size is different from the configured bit-size.
4221 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4223         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
4224         binutils reference.
4225         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
4226         Update binutils references.
4227         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
4228         Update binutils reference.
4229         Update Sun as/GNU ld caveat.
4230         Document binutils largefile requirement for LTO plugin.
4231         Remove reference to alternate libpthread.
4233 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4235         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
4236         reference.
4237         (Specific, mips-sgi-irix6): Likewise.
4239 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4241         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
4242         * configure: Regenerate.
4244 2012-03-07  Richard Henderson  <rth@redhat.com>
4246         * config/m68k/m68k.h (ISA_HAS_TAS): New.
4247         * config/m68k/sync.md (atomic_test_and_set): Use it.
4248         (atomic_test_and_set_1): Likewise.
4250 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
4252         PR target/51417
4253         * Makefile.in: Let install-gcc-ar depend on installdirs,
4254         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
4255         Don't double canonicalize if cross-compiling.
4257 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
4259         * trans-mem.c: New typedef for tm_region_p.
4260         Define vector types for tm_region_p.
4261         (tm_region_init): Replace region_worklist to a vector called
4262         bb_regions.
4264 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
4266         PR middle-end/52463
4267         * trans-mem.c (tm_region_init): Use last_basic_block.
4269 2012-03-05  Richard Henderson  <rth@redhat.com>
4271         PR tree-opt/52242
4272         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
4273         * omp-low.c (expand_omp_atomic): Assume anything aligned to
4274         BIGGEST_ALIGNMENT is aligned.
4276 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
4278         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
4280 2012-03-05  Richard Henderson  <rth@redhat.com>
4282         PR target/52481
4283         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
4284         instead of calling negqi2 directly.
4286 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4288         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
4289         (INTMAX_TYPE): Use it.
4290         (UINTMAX_TYPE): Likewise.
4291         (SUBTARGET_OVERRIDE_OPTIONS): Define.
4292         (irix6_c_common_override_options): Declare.
4293         (C_COMMON_OVERRIDE_OPTIONS): Define.
4294         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
4295         * config/mips/irix6-c.c: New file.
4296         * config/mips/t-irix6 (irix6-c.o): New target.
4297         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
4298         cxx_target_objs.
4300 2012-03-02  Richard Henderson  <rth@redhat.com>
4302         * optabs.c (expand_atomic_test_and_set): Honor
4303         atomic_test_and_set_trueval even when atomic_test_and_set
4304         optab is not in use.
4306 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
4308         Backport from mainline
4309         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
4311         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
4313 2012-03-02  Richard Guenther  <rguenther@suse.de>
4315         * DEV-PHASE: Set to prerelease.
4317 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
4319         * config.gcc (obsolete): Add all ARM targets using the FPA.
4320         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
4321         * doc/install.texi: Avoid references to obsolete ARM ports.
4323 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
4325         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
4327 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
4328             Joern Rennecke  <joern.rennecke@embecosm.com>
4330         * doc/extend.texi: Expand and update information on interrupt
4331         attribute for Epiphany.
4333 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
4335         * config/sh/sh-protos.h: Update copyright notice dates.
4336         * config/sh/sh.h: Likewise.
4337         * config/sh/sh.md: Likewise.
4338         * config/sh/constraints.md: Likewise.
4339         * config/sh/predicates.md: Likewise.
4341 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
4343         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
4344         * config/sh/sh.c (tertiary_reload_operand): Likewise.
4346 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
4348         * config/sh/constraints.md: Fix comment typo.
4350 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4352         PR target/52408
4353         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
4354         unsigned HOST_WIDE_INT.
4355         (zvdep_imm64): Likewise.
4356         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
4357         (vdepi_and): Likewise.
4358         Likewise for unamed 64-bit patterns.
4359         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
4361 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
4363         PR debug/52001
4364         PR rtl-optimization/52417
4365         * cselib.c (cselib_any_perm_equivs): New variable.
4366         (cselib_reset_table): Check that it's not set when not
4367         preserving constants.
4368         (cselib_add_permanent_equiv): Set it.
4369         (cselib_have_permanent_equivalences): New.
4370         (cselib_init, cselib_finish): Reset it.
4371         * cselib.h (cselib_have_permanent_equivalences): Declare.
4372         * alias.c (get_addr): Restore earlier behavior when there
4373         aren't permanent equivalences.
4375 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
4377         * config/mn10300/mn10300-modes.def: Fix copyright notice.
4378         * config/v850/v850-modes.def: Fix copyright notice.
4380 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
4382         * doc/extend.texi (AVR Built-in Functions): Document
4383         __builtin_avr_flash_segment.
4385         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
4386         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
4387         (*split.flash_segment): New insn-and-split.
4388         * config/avr/avr.c (avr_init_builtins): Add local variables:
4389         const_memx_void_node, const_memx_ptr_type_node,
4390         char_ftype_const_memx_ptr.
4392 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
4394         PR tree-optimization/52445
4395         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
4396         add ssa_name_ver, offset and size fields and change store field
4397         to bool.
4398         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
4399         (add_or_mark_expr): Likewise.  Only consider previous stores
4400         with the same size and offset.
4401         (nt_init_block): Only look at gimple_assign_single_p stmts,
4402         doesn't look at rhs2.
4404 2012-03-01  Richard Guenther  <rguenther@suse.de>
4406         PR middle-end/52443
4407         * tree-cfg.c (verify_gimple_assign_unary): Allow any
4408         conversions from integral types to pointer types.
4410 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
4412         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
4413         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
4414         unintentionally removed in r184616.
4416 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4418         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
4419         3DNow from bdver1.
4421 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
4422             Uros Bizjak  <ubizjak@gmail.com>
4424         PR target/52437
4425         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
4426         alternatives, add "e" constraint to the new last alternative
4427         and ! to last 3 alternatives.
4429 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4431         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
4432         DW_AT_artificial attributes at the end of the processing.
4433         (gen_array_type_die): Likewise.
4434         (gen_enumeration_type_die): Likewise.
4435         (gen_struct_or_union_type_die): Likewise.
4436         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
4437         the parent type.
4439 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
4441         PR middle-end/52419
4442         * expr.c (expand_assignment): If doing misaligned store that doesn't
4443         cover all mode bits, perform a RMW cycle.
4445         PR tree-optimization/52429
4446         * tree-parloops.c (separate_decls_in_region_debug): Return early
4447         if var is LABEL_DECL.
4449 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4451         PR tree-optimization/52424
4452         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
4453         calling dom_thread_across_edge.
4455 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4457         * config/avr/avr.c: Move definition of TARGET macros to end of file.
4459 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4461         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
4462         * config/avr/avr.c (avr_output_bld): Remove unused function.
4463         (avr_out_sbxx_branch): Use "%T" to print bit position.
4465 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4467         * config/avr/avr.md: Untabify.
4469 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4471         * config/avr/avr.md (eqne): New code iterator.
4472         (*dec-and-branchsi): Use it in text peephole's condition.
4473         (*dec-and-branchhi): Ditto.
4474         (*dec-and-branchqi): Ditto.
4476 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4478         PR target/49939
4479         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
4480         the device does not have the skip-bug.
4482 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
4484         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
4485         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
4486         -mpretend-cmove): New.
4488 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
4490         PR bootstrap/52397
4491         * df.h (struct df_d): Adjust comment that hard_regs_live_count
4492         doesn't count DEBUG_INSN refs.
4493         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
4494         for DEBUG_INSN refs.
4496 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4498         Partially revert:
4500         2012-02-20  Richard Guenther  <rguenther@suse.de>
4501         PR tree-optimization/52298
4502         * tree-vect-stmts.c (vectorizable_load): Properly use
4503         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
4504         outer loops.
4506 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
4508         PR middle-end/51752
4509         * gimple.h (gimple_in_transaction): New.
4510         (gimple_set_in_transaction): New.
4511         (struct gimple_statement_base): Add in_transaction field.
4512         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
4513         transaction loads.
4514         (tree_ssa_lim_initialize): Compute transaction bits.
4515         * tree.h (compute_transaction_bits): Protoize.
4516         * trans-mem.c (tm_region_init): Use the heap to store BB
4517         auxilliary data.
4518         (compute_transaction_bits): New.
4520 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4522         * gcc.c (display_help): Document --help=common and sort entries
4523         alphabetically.
4525 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4527         * doc/install.texi: Document check-$LANG specific shortcuts
4529 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4531         PR target/51534
4532         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
4533         and vcgtu.
4534         * config/arm/arm_neon.h: Regenerate.
4535         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
4536         (neon_vcgeu): New insn.
4537         (neon_vcgtu): Likewise.
4538         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
4539         (ops): Unsigned comparison intrinsics call a different
4540         builtin.
4542 2012-02-28  Richard Guenther  <rguenther@suse.de>
4544         PR target/52407
4545         * config/i386/i386.c (ix86_expand_vector_set): Fix element
4546         ordering for the VEC_CONCAT for two element vectors for
4547         V2SFmode, V2SImode and V2DImode.
4549 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
4551         PR target/49448
4552         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
4553         detecting big-endian triplets.
4555 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
4557         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
4558         mode if there is no type information available.
4560 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
4562         PR tree-optimization/53207
4563         * doc/invoke.texi: Document as experimental and relying on graphite.
4565 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
4567         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
4568         of initializer to changes from r184614.
4570 2012-02-28  Richard Guenther  <rguenther@suse.de>
4572         PR tree-optimization/52395
4573         * tree-sra.c (build_ref_for_offset): Also look at the base
4574         TYPE_ALIGN when figuring out the alignment of the replacement.
4576 2012-02-28  Richard Guenther  <rguenther@suse.de>
4578         PR tree-optimization/52402
4579         * ipa-prop.c (ipa_modify_call_arguments): Properly use
4580         mis-aligned types when creating the accesses at the call site.
4582 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
4584         * config/avr/builtins.def: New file.
4585         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
4586         * config/avr/avr.c (enum avr_builtin_id): Use it.
4587         (avr_init_builtins): Use it. And use avr_bdesc.
4588         (bdesc_1arg): Remove.
4589         (bdesc_2arg): Remove.
4590         (bdesc_3arg): Remove.
4591         (struct avr_builtin_description): Add field n_args.
4592         (avr_bdesc): New static variable using builtins.def.
4593         (avr_expand_builtin): Use it.
4594         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
4595         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
4596         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
4598 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
4600         PR target/52148
4601         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
4602         match only one single hard register with respective hard reg rtx.
4603         (movmemx_<mode>): Ditto.
4604         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
4605         insn anatomy of movmem[x]_<mode>.
4606         (avr_out_movmem): Same for printing assembler and operand usage.
4608 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
4610         PR target/49868
4611         PR target/52261
4612         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
4613         address spaces located outside of device flash.
4615         * config/avr/avr.h (base_arch_s): Remove field n_segments.
4616         (mcu_type_s): Add field n_flash.
4617         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
4618         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
4619         (AVR_MCU): Add N_FLASH argument.
4620         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
4621         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
4622         macro __FLASH<n> if that address space makes sense for the device.
4623         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
4624         outside of target flash.
4625         (avr_asm_named_section): Ditto.
4626         (avr_asm_select_section): Ditto.
4627         (avr_addr_space_convert): Ditto.
4628         (avr_emit_movmemhi): Ditto.
4629         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
4630         address space is outside of device flash.
4631         (avr_insert_attributes): Ditto.
4632         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
4633         avr_current_arch->n_segments.
4635 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
4637         PR target/52352
4638         * config/i386/i386.md (*movabs<mode>_1): Enable only for
4639         TARGET_LP64.
4640         (*movabs<mode>_2): Likewise.
4642 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
4644         PR target/52375
4645         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
4646         s_register_operand in the test instead of REG_P.  Don't call
4647         gen_reg_rtx if it won't be used.
4649         PR tree-optimization/52376
4650         * ipa-split.c (split_function): Ignore CLOBBER stmts.
4652 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
4654         * ifcvt.c (noce_get_condition): Check condition variable is not
4655         small_register_classes_for_mode_p before accepting.
4657 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
4659         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
4661 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4663         Revert:
4664         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4665         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4666         tuning parameters.
4667         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4669 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
4671         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
4673 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
4675         * config/sh/predicates.md: Remove blank lines.
4676         * config/sh/sh.c: Fix typos in comments.
4677         * config/sh/constraints.md: Likewise.
4678         * config/sh/sh.md: Remove blank lines.
4679         Fix typos in comments.  Use ;; as comment characters.
4681 2012-02-26  Walter Lee  <walt@tilera.com>
4683         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
4684         (replace_mov_pcrel_step2): Ditto.
4686 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
4688         PR debug/52001
4689         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
4690         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
4691         and locs that reference values newer than the non-canonical value
4692         at hand.  Return the canonical value as a worst case.
4693         (memrefs_conflict_p): Walk canonical value's locs.
4695         PR debug/52001
4696         * cselib.c (preserve_only_constants): Rename to...
4697         (preserve_constants_and_equivs): ... this.  Split out...
4698         (invariant_or_equiv_p): ... this.  Preserve plus expressions
4699         of other preserved expressions too.
4700         (cselib_reset_table): Adjust.
4701         * var-tracking.c (reverse_op): Use canonical value to build
4702         reverse operation.
4704 2012-02-23  Kai Tietz  <ktietz@redhat.com>
4706         * config/i386/i386.c (ix86_delegitimize_address): Handle
4707         UNSPEC_PCREL plus displacement.
4709 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
4711         PR target/52261
4712         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
4713         to test for unusedness in st X addressing.
4715 2012-02-24  Richard Guenther  <rguenther@suse.de>
4717         PR middle-end/52361
4718         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
4719         (is_gimple_reg_type): Move inline ...
4720         * gimple.h (is_gimple_reg_type): ... here.
4722 2012-02-24  Richard Guenther  <rguenther@suse.de>
4724         PR middle-end/52361
4725         * passes.c (execute_function_todo): When verifying SSA form
4726         verify gimple form first.
4727         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
4729 2012-02-24  Richard Guenther  <rguenther@suse.de>
4731         PR middle-end/52355
4732         * fold-const.c (fold_addr_of_array_ref_difference): New function.
4733         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
4735 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4737         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
4739 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4741         * tree-phinodes.c (make_phi_node): Mark static.
4742         * tree-flow.h (make_phi_node): Remove extern decl.
4743         * doc/gimple.texi (make_phi_node): Remove documentation.
4745 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4747         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
4748         * tree-ssa-sccvn.c (print_scc): Ditto.
4750 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4752         * doc/passes.texi (Full redundancy elimination): Fix typo.
4754 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4756         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
4758 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
4760         PR bootstrap/52287
4761         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
4763 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
4765         PR c/52290
4766         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
4768 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
4770         * config/avr/avr.md (code_stdname): Add ior, xor.
4771         (xior): New code iterator.
4772         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
4773         (*<code_stdname><mode>qi.byte1-3): Ditto.
4775 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
4777         PR tree-optimization/52019
4778         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
4779         CLOBBER stmts.
4781 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4783         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
4784         HAVE_INITFINI_ARRAY to work around namespace pollution in
4785         certain versions of newlib system headers.
4786         * config.in: Regenerate.
4787         * configure: Regenerate.
4788         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
4789         instead of HAVE_INITFINI_ARRAY.
4791 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
4793         PR target/52330
4794         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
4795         is not offsettable memory reference.
4797 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
4799         PR target/18145
4800         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
4801         setting avr_need_clear_bss_p for __gnu_lto* symbols.
4803 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
4805         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
4806         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
4808 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4810         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
4811         library on Solaris 8 even without TLS support.
4812         * configure: Regenerate.
4814 2012-02-22  Richard Guenther  <rguenther@suse.de>
4816         PR middle-end/52329
4817         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
4818         for GIMPLE_DEBUG stmts.
4820 2012-02-22  Martin Jambor  <mjambor@suse.cz>
4822         PR middle-end/51782
4823         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
4824         according to the base object.
4826 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
4828         PR rtl-optimization/50063
4829         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
4830         and 2 (8-bit SP) in operand 2.
4831         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
4832         setup to use movhi_sp_r instead of vanilla move to write SP.
4833         Adjust REG_CFA notes to superseed unspec.
4834         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
4835         of vanilla move.
4836         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
4837         known to be off) only with TARGET_NO_INTERRUPTS. Never use
4838         irq_state 1 (IRQ known to be on) here.
4840 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
4842         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
4843         WORDS_BIG_ENDIAN.
4844         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
4845         assign_hard_reg): Likewise.
4847 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
4849         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
4851 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
4853         * config/avr/avr.md
4854         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
4855         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
4857 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
4859         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
4860         prototype from here to...
4861         * config/avr/avr.h: ...here.
4863 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
4865         PR target/52294
4866         * thumb2.md (thumb2_shiftsi3_short): Split register and
4867         immediate shifts.  For register shifts tie operands 0 and 1.
4868         (peephole2 for above): Check that register-controlled shifts
4869         have suitably tied operands.
4871 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
4873         PR target/52137
4874         * config/i386/bdver1.md (bdver1_call, bdver1_push,
4875         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
4876         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
4877         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
4878         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
4879         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
4880         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
4881         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
4882         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
4883         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
4884         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
4885         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
4886         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
4887         bdver1_ssevector_avx256_unaligned_load,
4888         bdver1_ssevector_sse128_unaligned_load,
4889         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
4890         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
4891         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
4892         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
4893         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
4894         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
4895         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
4896         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
4897         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
4898         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
4899         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
4900         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
4901         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
4902         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
4903         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
4904         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
4905         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
4906         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
4907         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
4908         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
4909         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
4910         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
4911         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
4912         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
4913         bdver1_ssediv_double_load, bdver1_ssediv_double,
4914         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
4915         Add "bdver2" attribute.
4917 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4919         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
4920         default if possible and not specified otherwise.
4922 2012-02-21  Richard Guenther  <rguenther@suse.de>
4924         PR middle-end/52314
4925         * gimplify.c (create_tmp_from_val): Use the main variant type
4926         for the type of the temporary we create.
4928 2012-02-21  Richard Guenther  <rguenther@suse.de>
4930         PR tree-optimization/52324
4931         * gimplify.c (gimplify_expr): When re-gimplifying expressions
4932         do not gimplify a MEM_REF address operand if it is already
4933         in suitable form.
4935 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4937         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
4938         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
4940 2012-02-21  Richard Guenther  <rguenther@suse.de>
4942         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
4943         nested_in_vect_loop.
4945 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
4947         PR tree-optimization/52318
4948         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
4949         vdef also to non-pure/const call stmts in the sequence.
4951 2012-02-20  David S. Miller  <davem@davemloft.net>
4953         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
4954         don't use the "rd %pc" instruction on v9 for PIC register loads.
4956 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
4958         PR middle-end/52141
4959         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
4960         in a transaction safe function.
4962 2012-02-20  Kai Tietz  <ktietz@redhat.com>
4964         PR target/52238
4965         * stor-layout.c (place_field): Handle desired_align for
4966         ms-bitfields, too.
4968 2012-02-20  Richard Guenther  <rguenther@suse.de>
4970         PR tree-optimization/52298
4971         * tree-vect-stmts.c (vectorizable_store): Properly use
4972         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
4973         outer loops.
4974         (vectorizable_load): Likewise.
4975         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
4976         Access DR_STEP after ensuring it is not NULL.
4978 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
4980         PR tree-optimization/52286
4981         * fold-const.c (fold_binary_loc): For (X & C1) | C2
4982         optimization use double_int_to_tree instead of build_int_cst_wide,
4983         rewrite to use double_int vars.
4985 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4987         PR target/50166
4988         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
4989         Define _start.
4990         Remove -e 0 from $gcc_cv_ld invocation.
4991         Only use __GLIBC_PREREQ if defined.
4992         Enable on Solaris since Solaris 8 patch.
4993         (gcc_SUN_LD_VERSION): New macro.
4994         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
4995         gcc_SUN_LD_VERSION for version number format.
4996         * configure: Regenerate.
4997         * varasm.c (get_elf_initfini_array_priority_section): Set
4998         SECTION_NOTYPE for non-default priority.
4999         Use get_section instead of get_unnamed_section to emit
5000         .init_array/.fini_array with default priority.
5002 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
5004         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
5005         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
5006         (mips_start_unique_function, mips_output_mips16_rdhwr)
5007         (mips_code_end): New functions.
5008         (TARGET_ASM_CODE_END): Define.
5010 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
5012         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
5013         to stubs with non-sibling calls.
5015 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5017         * doc/invoke.texi (-fira-* options): Copy-edit.
5018         (ira-* parameters): Copy-edit.
5020 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
5022         * doc/invoke.texi: Minor copy-edits to bring into conformance with
5023         GCC coding conventions.
5025 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
5027         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
5028         when used as adjectives.
5030 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
5032         * doc/invoke.texi: Clean up "that"/"which" confusion.
5034 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
5036         * system.h: Poison SMALL_REGISTER_CLASSES
5037         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
5038         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
5040 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
5042         PR tree-optimization/52285
5043         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
5044         when deciding if a call is a tail call or tail recursion.
5046 2012-02-16  Kai Tietz  <ktietz@redhat.com>
5048         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
5049         interger-constant displacement for UNSPEC_PCREL.
5051 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
5053         PR rtl-optimization/52208
5054         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
5055         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
5057         PR tree-optimization/52255
5058         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
5059         loop->header has virtual PHI, but exit_e->dest doesn't, add
5060         virtual PHI to exit_e->dest and adjust all uses after the loop.
5062         PR debug/52260
5063         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
5064         children with clone_tree_hash, not after it.
5066 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
5068         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
5069         extended identifiers.
5071 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
5073         PR middle-end/51929
5074         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
5075         a same_body_alias, also test whether e->callee isn't a former
5076         or current clone of the decl this is a same body alias of.
5078         PR translation/52264
5079         * cgraphunit.c (verify_cgraph_node): Fix a typo.
5081 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5083         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
5085 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
5087         PR target/52199
5088         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
5089         force_reg instead of copy_to_reg for better optimization.  Force
5090         non-register or memory operands into a register.
5092 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
5094         * extend.texi: Reserve upper bits of memory model for future use.
5096 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
5097             Anatoly Sokolov <aesok@post.ru>
5098             Eric Weddington <eric.weddington@atmel.com>
5100         PR target/52261
5101         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
5102         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
5103         Rewrite initializers for .macro.
5104         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
5105         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
5106         atxmega32d4, atxmega32x1.
5107         avrxmega4: atxmega64a3, atxmega64d3.
5108         avrxmega5: atxmega64a1, atxmega64a1u.
5109         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
5110         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
5111         avrxmega7: atxmega128a1, atxmega128a1u.
5112         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
5113         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
5114         (struct base_arch_s): Rename reserved to xmega_p.
5115         Rename reserved2 to have_rampd.
5116         (AVR_XMEGA): New define.
5117         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
5118         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
5119         * config/avr/predicates.md (io_address_operand): Take into
5120         account SFR offset.
5121         (low_io_address_operand): Ditto.
5122         (high_io_address_operand): Ditto.
5123         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
5124         (enabled, movhi_sp_r): Use them.
5125         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
5126         cpp_define_formatted to built-in define __AVR_ARCH__.
5127         (__AVR_XMEGA__): New built-in define.
5128         (__AVR_HAVE_RAMPD__): New built-in define.
5129         (__AVR_HAVE_RAMPX__): New built-in define.
5130         (__AVR_HAVE_RAMPY__): New built-in define.
5131         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
5133         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
5134         (avr_option_override): Initialize them.
5135         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
5136         (avr_init_expanders): Initialize them. No more block several calls.
5137         (emit_push_sfr): New static function.
5138         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
5139         Handle AVR_XMEGA.
5140         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
5141         (avr_print_operand): Print addreeses as symbols for
5142         RAMPX, RAMPY, RAMPD, CCP.
5143         (output_movhi): Handle AVR_XMEGA when writing to SP.
5144         (avr_out_movhi_mr_r_xmega): New static function.
5145         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
5146         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
5147         __RAMPD__,  __CCP__ as needed.
5149         * config/avr/multilib.h: Regenerate.
5150         * config/avr/t-multilib: Regenerate.
5151         * config/avr/avr-tables.opt: Regenerate.
5153 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
5155         PR tree-optimization/50561
5156         * graphite-flattening.c (lst_project_loop): Do not
5157         remove old scattering dimensions after flattening.
5158         (lst_do_flatten): Likewise.
5160 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
5162         * doc/extend.texi (AVR Built-in Functions): Remove doc for
5163         __builtin_avr_map8, __builtin_avr_map16.
5164         Document __builtin_avr_insert_bits.
5166         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
5167         (insert_bits): New insn.
5168         (adjust_len.map_bits): Rename to insert_bits.
5169         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
5170         * avr-protos.h (avr_out_map_bits): Remove.
5171         (avr_out_insert_bits, avr_has_nibble_0xf): New.
5172         * config/avr/constraints.md (Cxf,C0f): New.
5173         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
5174         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
5175         New built-in define __BUILTIN_AVR_INSERT_BITS.
5176         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
5177         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
5178         (avr_move_bits): Rewrite.
5179         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
5180         functions.
5181         (avr_map_op_t): New typedef.
5182         (avr_map_op): New static variable.
5183         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
5184         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
5185         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
5186         (bdesc_3arg, avr_expand_triop_builtin): New.
5187         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
5188         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
5189         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
5190         (avr_map_equal_p, avr_map_sig_p): Remove.
5191         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
5192         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5193         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
5194         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5195         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
5196         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5198 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
5200         * config/c6x/c6x.md (reserve_cycles): New attribute.
5201         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
5202         don't reserve functional units after the branch occurs.
5204 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
5206         PR middle-end/52142
5207         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
5208         functions into non-tm_pure functions.
5210 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
5212         PR lto/52178
5213         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
5214         (iterative_hash_canonical_type): Likewise.
5215         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
5216         the dead edges.
5218 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
5220         * haifa-sched.c (prune_ready_list): Ensure that if there is a
5221         sched-group insn, it either remains alone or the entire list is pruned.
5223 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
5225         * doc/install.texi (Prerequisites): Fix grammar.
5226         (Configuration): Likewise.
5228 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
5230         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
5231         MPC as part of GCC before describing configuring with --with-gmp etc.
5232         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
5233         sources are present.
5235 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
5237         PR debug/51950
5238         * dwarf2out.c (clone_tree_hash): New function.
5239         (copy_decls_walk): Use it instead of clone_tree.
5241 2012-02-14  Richard Guenther  <rguenther@suse.de>
5243         PR tree-optimization/52244
5244         PR tree-optimization/51528
5245         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
5246         replacements for integral types.
5248 2012-02-14  Walter Lee  <walt@tilera.com>
5250         * config.gcc: Handle tilegx and tilepro.
5251         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
5252         tilegx and tilepro.
5253         Add HAVE_AS_TLS check for tilegx and tilepro.
5254         * configure: Regenerate.
5255         * doc/contrib.texi: Add Mat Hostetter and self.
5256         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
5257         Document instruction intrinsics and network accessing intrinsics.
5258         (TILEPro Built-in Functions): New node.  Document instruction
5259         intrinsics and network accessing intrinsics.
5260         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
5261         (Specific, tilepro-*-linux*): Likewise.
5262         * doc/invoke.texi (TILE-Gx Options): New section.
5263         (TILEPro Options): New section.
5264         * doc/md.texi (TILE-Gx): New section.
5265         (TILEPro): New section.
5266         * common/config/tilegx/tilegx-common.c: New file.
5267         * common/config/tilepro/tilepro-common.c: New file.
5268         * config/tilegx/constraints.md: New file.
5269         * config/tilegx/linux.h: New file.
5270         * config/tilegx/mul-tables.c: New file.
5271         * config/tilegx/predicates.md: New file.
5272         * config/tilegx/sync.md: New file.
5273         * config/tilegx/t-tilegx: New file.
5274         * config/tilegx/tilegx-builtins.h: New file.
5275         * config/tilegx/tilegx-c.c: New file.
5276         * config/tilegx/tilegx-generic.md: New file.
5277         * config/tilegx/tilegx-modes.def: New file.
5278         * config/tilegx/tilegx-multiply.h: New file.
5279         * config/tilegx/tilegx-protos.h: New file.
5280         * config/tilegx/tilegx.c: New file.
5281         * config/tilegx/tilegx.h: New file.
5282         * config/tilegx/tilegx.md: New file.
5283         * config/tilegx/tilegx.opt: New file.
5284         * config/tilepro/constraints.md: New file.
5285         * config/tilepro/gen-mul-tables.cc: New file.
5286         * config/tilepro/linux.h: New file.
5287         * config/tilepro/mul-tables.c: New file.
5288         * config/tilepro/predicates.md: New file.
5289         * config/tilepro/t-tilepro: New file.
5290         * config/tilepro/tilepro-builtins.h: New file.
5291         * config/tilepro/tilepro-c.c: New file.
5292         * config/tilepro/tilepro-generic.md: New file.
5293         * config/tilepro/tilepro-modes.def: New file.
5294         * config/tilepro/tilepro-multiply.h: New file.
5295         * config/tilepro/tilepro-protos.h: New file.
5296         * config/tilepro/tilepro.c: New file.
5297         * config/tilepro/tilepro.h: New file.
5298         * config/tilepro/tilepro.md: New file.
5299         * config/tilepro/tilepro.opt: New file.
5301 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
5303         PR tree-optimization/52210
5304         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
5305         vect_model_simple_cost with two entry vect_def_type array instead
5306         of an address of dt.
5308 2012-02-14  Richard Guenther  <rguenther@suse.de>
5310         PR lto/52178
5311         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
5312         Do not stream DECL_QUALIFIER.
5313         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
5314         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
5315         (find_decls_types_r): Do not walk DECL_QUALIFIER.
5317 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
5319         PR c/52181
5320         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
5321         newdecl.
5323 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
5325         PR bootstrap/52172
5326         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
5327         * cselib.c (cselib_subst_to_values_from_insn): New function.
5328         * sched-deps.c (add_insn_mem_dependence,
5329         sched_analyze_1, sched_analyze_2): Use it.
5331 2012-02-13  Jan Hubicka  <jh@suse.cz>
5333         PR middle-end/52214
5334         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
5336 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
5338         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
5339         (GTM_SELF_SPECS): Define if not already defined.
5340         (driver_self_specs): Add GTM_SELF_SPECS.
5341         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
5342         (GTM_SELF_SPECS): Define.
5343         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
5344         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
5346 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
5348         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
5349         away if seen.
5351         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
5353         PR middle-end/52230
5354         * omp-low.c (expand_omp_for): If a static schedule without chunk size
5355         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
5357 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
5359         PR c/52190
5360         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
5362 2012-02-13  Richard Guenther  <rguenther@suse.de>
5364         PR translation/52211
5365         * passes.c (enable_disable_pass): Fix typo.
5367 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
5369         PR middle-end/52209
5370         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
5371         XOR for reduce_bit_field if type is unsigned.
5373 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5375         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
5376         disallow changes from SFmode to mode with different size in FP regs.
5378 2012-02-12  Robert Millan  <rmh@gnu.org>
5379             Gerald Pfeifer <gerald@pfeifer.com>
5381         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
5382         Tweak comment.
5384 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
5386         PR rtl-optimization/52175
5387         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
5388         to frame-related instructions.
5390 2012-02-10  Jason Merrill  <jason@redhat.com>
5392         PR c++/51910
5393         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
5394         (demangle_new_symbols): Fill it.
5395         (scan_linker_output): Walk it.
5396         (start_tweaking): Split out from scan_linker_output.
5397         (maybe_tweak): Update sym->chosen.
5398         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
5400 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
5402         PR debug/52132
5403         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
5405 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
5407         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
5408         having the same mode as previous compare.
5410 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5412         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
5413         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
5414         (nonlocal_goto_internal): Likewise.
5415         (nonlocal_goto): Emit a use and an indirect jump directly.
5417 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
5419         PR c/52190
5420         * doc/extend.texi : Update comments for __atomic_compare_exchange and
5421         __atomic_{is,always}_lock_free.
5423 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
5425         PR target/52146
5426         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
5427         negative constant address for x32.
5429 2012-02-10  Richard Henderson  <rth@redhat.com>
5431         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
5432         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
5433         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
5435 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5436             Ira Rosen  <irar@il.ibm.com>
5438         PR tree-optimization/50031
5439         * targhooks.c (default_builtin_vectorization_cost): Handle
5440         vec_promote_demote.
5441         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
5442         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
5443         all types of reduction and pattern statements.
5444         (vect_estimate_min_profitable_iters): Likewise.
5445         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
5446         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
5447         for explicit realigns.
5448         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
5449         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
5450         vec_promote_demote.
5451         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
5452         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
5453         vec_perm for VSX and handle vec_promote_demote.
5455 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
5457         PR middle-end/52177
5458         * builtins.c (fold_builtin_atomic_always_lock_free,
5459         expand_builtin_atomic_always_lock_free,
5460         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
5461         Return and/or test boolean_true_node/boolean_false_node instead of
5462         integer_one_node/integer_zero_node.
5464 2012-02-10  Jan Hubicka  <jh@suse.cz>
5466         PR middle-end/48600
5467         * predict.c (predict_paths_for_bb): Prevent looping.
5468         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
5470 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
5472         * config/arm/arm.c (output_move_double): In one case properly
5473         count number of instructions that will be emitted.
5475 2012-02-10  Richard Guenther  <rguenther@suse.de>
5477         PR translation/52193
5478         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
5480 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
5482         PR middle-end/52140
5483         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
5485 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
5487         PR debug/52165
5488         * var-tracking.c (emit_note_insn_var_location): If
5489         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
5490         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
5491         non-NOTE_DURING_CALL_P insn.
5493 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
5495         PR middle-end/51867
5496         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
5498 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
5500         PR driver/48524
5501         * gcc.c (switch_matches) Support switches with separated form,
5502         -D and -U.
5504 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
5506         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
5507         (SP_ADDR): Ditto.
5508         (RAMPZ_ADDR): Ditto.
5509         * config/avr/avr.c (avr_addr_t): New typedef.
5510         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
5511         (avr_init_expanders): Initialize it.
5512         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
5513         SREG_ADDR.
5514         (expand_epilogue): Ditto.
5515         (avr_print_operand): Ditto.
5516         (avr_file_start): Ditto.
5517         (avr_emit_movmemhi): Ditto.
5519 2012-02-08  Richard Guenther  <rguenther@suse.de>
5521         PR tree-optimization/46886
5522         * tree-flow.h (do_while_loop_p): Declare.
5523         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
5524         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
5526 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
5528         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
5529         always succeed for integers larger than a native word.
5531 2012-02-08  Richard Guenther  <rguenther@suse.de>
5533         PR rtl-optimization/52170
5534         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
5535         properly handle integer vector modes.
5537 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
5539         PR gcov-profile/52150
5540         * coverage.c: Include target.h.
5541         (build_var): Call targetm.strip_name_encoding on the assembler name.
5542         Change one _ into . or $ if the target allows it.
5543         * Makefile.in (coverage.o): Depend on $(TARGET_H).
5545         PR rtl-optimization/52139
5546         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
5547         is a BARRIER after emit_insn_after_noloc, move BB_END
5548         to the last non-BARRIER insn before it.
5550 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
5552         PR middle-end/24306
5553         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
5554         (mips_gimplify_va_arg_expr): Call it instead of
5555         std_gimplify_va_arg_expr.
5557 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
5559         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
5560         message for -mno-pointers-to-nested-function.
5562 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
5564         PR middle-end/51994
5565         * expr.c (get_inner_reference): If there is an offset, add a negative
5566         bit position to it (if any).
5568 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
5570         PR rtl-optimization/52060
5571         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
5572         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
5573         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
5574         and/or i0src_copy2 when needed.
5576 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
5578         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
5579         or LTOPLUGINSONAME if have_c.
5581         * config/freebsd-spec.h: Add comment about what macros can be defined
5582         in this header.
5583         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
5584         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
5585         here instead.
5587 2012-02-07  Richard Guenther  <rguenther@suse.de>
5589         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
5590         newline in -alias dumps.
5592 2012-02-07  Kai Tietz  <ktietz@redhat.com>
5593             Dave Korn  <dave.korn.cygwin@gmail.com>
5595         PR target/40068
5596         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5597         Take care that typinfo gets dllexport-attribute.
5599 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
5601         PR middle-end/52074
5602         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
5603         if modifier < EXPAND_SUM call force_operand on the result.
5605 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
5607         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
5608         adding __forwarder_dst__ prefix if a forwarder_section attribute is
5609         present.
5610         (epiphany_function_type): Replace types for specific interrupts with
5611         EPIPHANY_FUNCTION_INTERRUPT.
5612         (EPIPHANY_INTERRUPT_P): Update.
5613         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
5614         New static function.
5615         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
5616         <disinterrupt>: Affects type identity.
5617         (epiphany_handle_interrupt_attribute): Handle variable number of
5618         arguments.
5619         (epiphany_compute_function_type): Update for new
5620         epiphany_function_type definition.
5621         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
5622         handlers with a longcall forwarder.
5623         (epiphany_start_function): Handle multiple interrupt arguments and/or
5624         forwarder_section attribute.
5626         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
5627         libgloss.
5629 2012-02-07  Alan Modra  <amodra@gmail.com>
5631         PR target/52107
5632         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
5633         subregs of TFmode.
5635 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5637         PR tree-optimization/50969
5638         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
5639         use vec_perm rather than vector_stmt.
5640         (vect_model_load_cost): Likewise.
5641         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
5642         vec_perm to be the same as other vector statements.
5643         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
5644         cost of vec_perm for TARGET_VSX.
5646 2012-02-06  Richard Guenther  <rguenther@suse.de>
5648         PR tree-optimization/52115
5649         * tree-sra.c (access_has_replacements_p): New function.
5650         (sra_modify_assign): Use it to decide whether a use is uninitialized.
5652 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
5654         PR middle-end/52047
5655         * trans-mem.c (expand_call_tm): Add an assertion.
5656         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
5657         functions.
5659 2012-02-06  Richard Guenther  <rguenther@suse.de>
5661         PR tree-optimization/50955
5662         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
5663         raise cost of expressions that replace an address with an
5664         expression based on a different pointer.
5666 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
5668         PR target/52129
5669         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
5670         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
5672 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
5674         PR c++/48680
5675         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
5676         -Weffc++ and specify guidelines come from second edition.
5678 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
5680         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
5681         (sibcall_value_multiple_internal, call_split, call_internal_direct)
5682         (call_direct_split, call_value_split, call_value_internal_direct)
5683         (call_value_direct_split, call_value_multiple_split): Use jal and
5684         jal_macro attributes.
5686 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
5688         * reload1.c (reload_regs_reach_end_p): Replace with...
5689         (reload_reg_rtx_reaches_end_p): ...this function.
5690         (new_spill_reg_store): Update commentary.
5691         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
5692         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
5693         before setting new_spill_reg_store.
5694         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
5695         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
5696         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
5697         for non-spill reload registers.
5699 2012-02-05  Ira Rosen  <irar@il.ibm.com>
5701         PR tree-optimization/52091
5702         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
5703         (vect_is_simple_use_1): Likewise.
5704         * tree-vect-loop.c (vectorizable_reduction): Update calls
5705         to vect_is_simple_use_1 and vect_is_simple_use.
5706         (vectorizable_live_operation): Likewise.
5707         * tree-vect-patterns.c (widened_name_p,
5708         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
5709         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
5710         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
5711         vectorizable_shift,vectorizable_operation, vectorizable_store,
5712         vectorizable_load): Likewise.
5713         (vect_is_simple_cond): Add an argument, pass it to
5714         vect_is_simple_use_1.
5715         (vectorizable_condition): Update calls to vect_is_simple_cond,
5716         vect_is_simple_use.
5717         (vect_is_simple_use): Add an argument, the statement in which
5718         OPERAND is used.  Check that if OPERAND's def stmt is a double
5719         reduction phi node, the use is a phi node too.
5720         (vect_is_simple_use_1): Add an argument, pass it to
5721         vect_is_simple_use.
5722         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
5723         to vect_is_simple_use.
5725 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
5727         PR rtl-optimization/52095
5728         * modulo-sched.c (dump_insn_locator): New function.
5729         (loop_canon_p, sms_schedule): Use it.
5731         PR rtl-optimization/52113
5732         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
5733         even for decomposable shift/zext insns.
5735 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
5736             Zdenek Dvorak  <ook@ucw.cz>
5738         PR rtl-optimization/52092
5739         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
5740         on get_iv_value result.
5742 2012-02-02  Andrew Pinski  <apinski@cavium.com>
5744         PR middle-end/47982
5745         PR middle-end/43967
5746         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
5748 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
5750         PR middle-end/48071
5751         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
5753 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
5755         PR rtl-optimization/49800
5756         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
5757         (sched_finish): Call regstat_free_n_sets_and_refs.
5759 2012-02-02  Jia Liu  <proljc@gmail.com>
5761         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
5762         than operand 2.
5764 2012-02-02  Jan Hubicka  <jh@suse.cz>
5765             Tom de Vries  <tom@codesourcery.com>
5767         PR middle-end/51998
5768         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
5769         * varpool.c (varpool_analyze_pending_decls): Likewise.
5771 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
5772             Jayant R Sonar <jayant.sonar@kpitcummins.com>
5774         * config.gcc: Add cr16-* support.
5776         * doc/extend.texi: Document cr16 extensions.
5777         * doc/install.texi: Document cr16 install.
5778         * doc/invoke.texi: Document cr16 options.
5779         * doc/md.texi: Document cr16 constraints.
5781         * common/config/cr16/cr16-common.c: New file.
5782         * config/cr16/cr16.c: New file.
5783         * config/cr16/cr16.h: New file.
5784         * config/cr16/cr16.md: New file.
5785         * config/cr16/cr16.opt: New file.
5786         * config/cr16/cr16-protos.h: New file.
5787         * config/cr16/predicates.md: New file.
5788         * config/cr16/constraints.md: New file.
5789         * config/cr16/t-cr16: New file.
5791 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
5793         PR target/52086
5794         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
5795         that operands[2] is either immediate, or q_regs_operand.
5797         PR tree-optimization/52073
5798         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
5799         a pattern stmt for pattern uses, ignore uses outside of the loop.
5801 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
5803         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
5804         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
5805         (OUT_AS1, OUT_AS2): Remove.
5807 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
5809         PR rtl-optimization/51374
5810         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
5811         to cross other volatile_refs_p insns.
5813 2012-02-01  Richard Guenther  <rguenther@suse.de>
5815         * doc/invoke.texi (fno-inline): Clarify documentation.
5816         (finline-small-functions): Likewise.
5817         (finline-functions): Likewise.
5818         * common.opt (finline): Adjust comment and documentation.
5819         (finline-small-functions): Clarify documentation.
5820         (finline-functions): Likewise.
5821         (finline-functions-called-once): Likewise.
5823 2012-02-01  Tristan Gingold  <gingold@adacore.com>
5825         * c-typeck.c (composite_type): Keep mode for pointers.
5827 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
5829         * function.h (regno_reg_rtx): Adjust comment.
5830         * reginfo.c (init_reg_modes_target): Only use the previous mode
5831         if it fits within one register.  Remove MIPS comment.
5833 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
5835         PR bootstrap/52058
5836         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
5838 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5840         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
5841         to srak instruction.
5843 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5845         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
5847 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
5849         PR bootstrap/52041
5850         PR bootstrap/52039
5851         PR target/51974
5852         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
5854 2012-01-31  Richard Guenther  <rguenther@suse.de>
5856         PR tree-optimization/51528
5857         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
5858         assigns.
5860 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
5862         PR bootstrap/52041
5863         PR bootstrap/52039
5864         PR target/51974
5865         * ree.c (add_removable_extension): Change def_map argument
5866         to unsigned *, store in def_map 1 + offset into *insn_list vector
5867         instead of pointers into the vector.
5868         (find_removable_extensions): Adjust caller.
5870 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
5872         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
5873         Transform all "* quoted-c-code" to { c-code }.
5874         Remove redundant test for "optimize" in combine patterns.
5875         Move (include "avr-dimode.md") to end of file.
5877 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
5879         PR target/51835
5880         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
5881         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
5883 2012-01-30  Richard Guenther  <rguenther@suse.de>
5885         PR tree-optimization/52028
5886         * tree-loop-distribution.c (ldist_gen): Properly update
5887         virtual SSA form.
5889 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
5891         PR debug/52027
5892         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
5893         set_cur_line_info_table if not emitting debug info.
5895         PR tree-optimization/52046
5896         * tree-vect-patterns.c (check_bool_pattern): Give up if
5897         a comparison could throw.
5899         PR debug/52048
5900         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
5902 2012-01-30  Richard Guenther  <rguenther@suse.de>
5904         PR tree-optimization/52045
5905         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
5906         SSA form if cfgcleanup did anything.
5908 2012-01-30  Richard Guenther  <rguenther@suse.de>
5910         PR tree-optimization/52045
5911         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
5912         before computing final todo.
5914 2012-01-30  Richard Guenther  <rguenther@suse.de>
5916         PR tree-optimization/51528
5917         * tree-sra.c (sra_modify_assign): Re-factor in preparation
5918         for PR51528 fix.
5920 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
5922         * df-problems.c (df_kill_notes): Check that the use refers
5923         to the note under examination.
5925 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
5927         PR target/51920
5928         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
5929         parameter and use short-lived pseudos.
5930         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
5931         (sparc_expand_vector_init): Const-ify local variables and adjust
5932         calls to above functions.
5934 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
5936         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
5938 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
5940         * doc/invoke.texi: Make usage of "compile time" and
5941         "run time"/"runtime" consistent throughout the file.
5943 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
5945         * config/alpha/alpha.c (alpha_option_override): Default to
5946         full IEEE compliance mode for Go language.
5948 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
5950         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
5951         (LINK_SSP_SPEC): Define.
5953 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5955         PR target/51871
5956         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
5957         stubs.
5959 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
5961         * doc/invoke.texi: Correct hyphenation of "floating point",
5962         "double precision", and related terminology throughout the file.
5964 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
5966         PR target/52006
5967         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
5968         arm_general_register_operand predicate for operand 2 instead of
5969         register_operand.
5971 2012-01-27  Ian Lance Taylor  <iant@google.com>
5973         PR go/47656
5974         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
5975         * builtins.c (expand_builtin_init_trampoline): Add onstack
5976         parameter.  Change caller.
5977         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
5978         * tree.c (build_common_builtin_nodes): Declare
5979         __builtin_init_heap_trampoline.
5981 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
5983         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
5984         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
5985         * config/avr/avr.c: Ditto.
5986         (avr_regnames): Remove because unused.
5987         * config/avr/avr.md (*cpse.ne): New peephole.
5988         (*cpse.eq): New peephole from former cpse peepholes.
5990 2012-01-27  Michael Eager  <eager@eagercon.com>
5992         * config/microblaze.c (microblaze_emit_compare): Correct
5993         test after pcmp instruction.
5995 2012-01-27  Richard Guenther  <rguenther@suse.de>
5997         PR tree-optimization/52020
5998         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
6000 2012-01-27  Richard Guenther  <rguenther@suse.de>
6002         * ipa-pure-const.c (check_stmt): Clobbers do not make a
6003         function non-const/pure.
6005 2012-01-27  Richard Guenther  <rguenther@suse.de>
6007         PR tree-optimization/50444
6008         * tree-sra.c (build_ref_for_offset): Properly adjust the
6009         MEM_REF type for unaligned accesses.
6011 2012-01-27  Richard Guenther  <rguenther@suse.de>
6013         PR tree-optimization/50444
6014         * expr.c (mem_ref_refers_to_non_mem_p): New function.
6015         (expand_assignment): Use it.  Properly handle misaligned
6016         bases when expanding stores to component references.
6017         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
6018         refactor that case.
6020 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
6022         PR middle-end/51389
6023         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
6024         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
6025         * tree-data-ref.c (find_data_references_in_loop): Make static.
6026         (compute_all_dependences): Change return type to bool.  Bail out
6027         for too many datarefs in a loop.  Move the hunk resetting the data
6028         dependences vector from ...
6029         (compute_data_dependences_for_loop): ... here.  Account for
6030         compute_all_dependences returning false.
6031         (compute_data_dependences_for_bb): Likewise.
6032         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
6033         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
6035 2012-01-27  Richard Guenther  <rguenther@suse.de>
6037         PR middle-end/51959
6038         * expr.c (store_field): Use the alias-set of the scratch memory
6039         for storing to it.
6041 2012-01-27  Tom de Vries  <tom@codesourcery.com>
6043         PR tree-optimization/51990
6044         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6045         WITH_SIZE_EXPR.
6046         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
6048 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
6050         PR debug/52001
6051         * var-tracking.c (reverse_op): Don't add any reverse operation
6052         if V already has any constant locations.
6054 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
6056         * doc/invoke.texi: Correct usage of "command line" (noun)
6057         vs "command-line" (adjective) throughout.
6059 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
6061         * doc/invoke.texi (Language Independent Options): Move
6062         -Wcoverage-mismatch blurb from here....
6063         (Warning Options): ...to here.
6065 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
6067         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6068         Set rs6000_always_hint to false for 476.
6070 2012-01-27  Matthias Klose  <doko@ubuntu.com>
6072         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
6073           system root.
6074         * incpath.c (add_standard_paths): Likewise.
6076 2012-01-27  Richard Henderson  <rth@redhat.com>
6078         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6079         * config/m68k/sync.md (atomic_test_and_set): Rename from
6080         sync_test_and_setqi and adjust the operands.
6081         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
6082         and unconditionally enable.
6084 2012-01-27  Richard Henderson  <rth@redhat.com>
6086         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6087         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
6088         (ldstub): Rename from ldstubqi.
6089         (ldstub<I24MODE>): Remove.
6091 2012-01-27  Richard Henderson  <rth@redhat.com>
6093         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6094         * c-cppbuiltin.c (cpp_atomic_builtins): Define
6095         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
6096         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
6097         * doc/tm.texi: Rebuild.
6099 2012-01-27  Richard Henderson  <rth@redhat.com>
6101         * optabs.c (gen_atomic_test_and_set): Remove default.
6102         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
6104 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
6106         PR rtl-optimization/51978
6107         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
6108         (combine_reaching_defs): Likewise.
6109         (struct re_info): Remove.
6110         (add_removable_extension): Remove x and data arguments,
6111         add insn, insn_list and def_map.  Use the arguments directly
6112         instead of using struct re_info.
6113         (find_removable_extensions): Don't call add_removable_extension
6114         through note_stores, instead just call it with single_set
6115         result if non-NULL.
6116         (find_and_remove_re): Pass curr_cand->expr instead of
6117         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
6119 2012-01-26  Michael Matz  <matz@suse.de>
6121         PR tree-optimization/46590
6122         * cfgexpand.c: Revert last change (r183305).
6123         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
6124         regs.
6125         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
6126         checking for emptiness.
6128 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
6130         PR middle-end/51895
6131         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
6132         non-addressable non-BLKmode base correctly.
6134 2012-01-26  Michael Matz  <matz@suse.de>
6136         PR tree-optimization/48794
6137         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
6138         regions referenced from RESX/EH_DISPATCH.
6140 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6142         * config/s390/s390.h: Make BRANCH_COST an option.
6143         * config/s390/s390.opt: New option -mbranch-cost.
6145 2012-01-26  Richard Henderson  <rth@redhat.com>
6147         Revert 2012-01-24 change:
6148         * trans-mem.c (requires_barrier): Do not instrument thread local
6149         variables and emit save/restore for them.
6151 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
6153         PR middle-end/51986
6154         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
6155         for pat == 0.
6157 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
6159         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
6160         ASM_OPERANDS.
6162 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
6164         PR target/49868
6165         Rename __pgm to __flash.
6166         Rename __pgm1 to __flash1.
6167         Rename __pgm2 to __flash2.
6168         Rename __pgm3 to __flash3.
6169         Rename __pgm4 to __flash4.
6170         Rename __pgm5 to __flash5.
6171         Rename __pgmx to __memx.
6172         * doc/extend.texi (AVR Named Address Spaces)
6173         Rename address space names as indicated above.
6174         * config/avr/avr.c (avr_addrspace): Ditto.
6176         * config/avr/avr-protos.h
6177         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
6178         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
6179         * config/avr/predicates.md: Ditto.
6180         * config/avr/avr.c Ditto, and
6181         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
6182         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
6184         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
6185         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
6186         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
6187         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
6188         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
6189         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
6190         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
6191         * config/avr/avr.c: Ditto.
6192         * config/avr/avr.md: Ditto.
6194 2012-01-25  Jason Merrill  <jason@redhat.com>
6196         PR c++/51992
6197         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
6199 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
6201         PR tree-optimization/51987
6202         * tree-data-ref.c (get_references_in_stmt): Handle references in
6203         non-volatile GIMPLE_ASM.
6205 2012-01-25  Richard Guenther  <rguenther@suse.de>
6207         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
6208         bases are dereferenced.
6210 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
6212         PR rtl-optimization/48374
6213         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
6215 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
6217         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
6218         compute_data_dependences_for_loop returns false.
6219         * tree-parloops.c (loop_parallel_p): Likewise.
6221 2012-01-25  Richard Guenther  <rguenther@suse.de>
6223         * tree.h (get_pointer_alignment_1): Declare.
6224         * builtins.c (get_pointer_alignment_1): New function.
6225         (get_pointer_alignment): Use it.
6227 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
6229         PR rtl-optimization/48308
6230         * combine.c (enum undo_kind): Add UNDO_LINKS.
6231         (struct undo): Add member l to other_contents and where.
6232         (do_SUBST_LINK): New.
6233         (SUBST_LINK): New.
6234         (try_combine): Handle LOG_LINKS for the dummy i1 case.
6235         (undo_all): Handle UNDO_LINKS.
6237 2012-01-25  Richard Henderson  <rth@redhat.com>
6239         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
6240         mem inputs.
6242 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6244         * optabs.c (gen_atomic_test_and_set): Use each argument.
6246 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6248         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
6249         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
6250         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
6251         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
6252         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
6253         TARGET_PAIRED_SINGLE_FLOAT.
6255 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6257         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
6258         (in_struct, return_val): Remove MEM documentation.
6259         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
6260         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
6261         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
6262         and MEM_SCALAR.
6263         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6264         * cfgexpand.c (add_alias_set_conflicts): Likewise.
6265         * expr.c (store_field): Likewise.
6266         * function.c (assign_stack_temp_for_type): Likewise.
6267         * ifcvt.c (noce_try_cmove_arith): Likewise.
6268         * reload1.c (reload): Likewise.
6269         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
6270         (alpha_set_memflags): Likewise.
6271         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
6273 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6275         * rtl.h (true_dependence, canon_true_dependence): Remove varies
6276         parameter.
6277         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
6278         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
6279         (true_dependence_1, true_dependence, canon_true_dependence): Remove
6280         varies parameter.
6281         * cselib.c (cselib_rtx_varies_p): Delete.
6282         (cselib_invalidate_mem): Update call to canon_true_dependence.
6283         * dse.c (record_store, check_mem_read_rtx): Likewise.
6284         (scan_reads_nospill): Likewise.
6285         * cse.c (check_dependence): Likewise.
6286         (cse_rtx_varies_p): Delete.
6287         * expr.c (safe_from_p): Update call to true_dependence.
6288         * ira.c (validate_equiv_mem_from_store): Likewise.
6289         (memref_referenced_p): Likewise.
6290         * postreload-gcse.c (find_mem_conflicts): Likewise.
6291         * sched-deps.c (sched_analyze_2): Likewise.
6292         * store-motion.c (load_kills_store): Likewise.
6293         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
6294         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6295         (compute_transp): Update call to canon_true_dependence.
6297 2012-01-25  Richard Henderson  <rth@redhat.com>
6299         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
6300         (maybe_emit_atomic_test_and_set): New.
6301         (expand_sync_lock_test_and_set): Use it.
6302         (expand_atomic_test_and_set): Likewise.
6303         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
6304         the implementation; clarify implementation defined details.
6305         * doc/md.texi (atomic_test_and_set): Document.
6307 2012-01-25  Richard Henderson  <rth@redhat.com>
6309         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
6311 2012-01-25  Richard Henderson  <rth@redhat.com>
6313         PR target/51968
6314         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
6315         to effect no-op split.
6317 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
6319         PR lto/51698
6320         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
6321         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
6322         (BT_FN_VOID_PTR_INT_SIZE): New.
6323         (BT_FN_UINT_UINT_VAR): Remove.
6324         (BT_FN_UINT32_UINT32_VAR): New.
6325         (BT_FN_DOUBLE_VPTR): Remove.
6326         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
6328         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
6329         (_ITM_changeTransactionMode): Same.
6330         (_ITM_memmoveRtWt): Change return type to void.
6331         (_ITM_memcpyRtWt): Same.
6332         (_ITM_memsetW): Same.
6333         (_ITM_RaRD): Change types to double.
6334         (_ITM_RD): Same.
6335         (_ITM_RaWD): Same.
6336         (_ITM_RfWD): Same.
6338         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
6340 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
6341             Patrick Marlier  <patrick.marlier@gmail.com>
6343         * trans-mem.c (requires_barrier): Do not instrument thread local
6344         variables and emit save/restore for them.
6346 2012-01-24  Jason Merrill  <jason@redhat.com>
6348         PR c++/51812
6349         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
6350         output static aliases.
6352 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
6354         PR driver/47249
6355         * common.opt (-pie, -shared, pie, shared): Change from Common to
6356         Driver.
6357         * gcc.c (display_help): Display help for -pie and -shared.
6359 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
6361         PR target/49868
6362         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
6363         Remove note on size/offset limitation.
6364         (AVR Variable Attributes): Add example how to read data located
6365         with progmem.  Refer to named address spaces.
6366         * doc/invoke.texi (AVR Options): Fix typo.
6368 2012-01-24  Richard Guenther  <rguenther@suse.de>
6370         Forward-port to trunk
6371         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
6373         PR middle-end/45678
6374         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
6375         op0 isn't sufficiently aligned and there is movmisalignM
6376         insn for mode, use it to load op0 into a temporary register.
6378 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
6380         PR target/51957
6381         * target.def (const_not_ok_for_debug_p): New hook.
6382         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
6383         documentation.
6384         * doc/tm.texi: Regenerated.
6385         * dwarf2out.c (const_ok_for_output_1): If
6386         targetm.const_not_ok_for_debug_p returns true, fail.
6387         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
6388         function.
6389         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
6391 2012-01-23  Kai Tietz  <ktietz@redhat.com>
6393         PR target/51900
6394         * config/i386/predicates.md (symbolic_operand): Allow
6395         UNSPEC_PCREL as PIC expression for lea.
6396         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
6397         * config/i386/i386.c (ix86_delegitimize_address): Handle
6398         UNSPEC_PCREL for none-MEM, too.
6400 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
6402         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
6403         (ipa_tm_create_version_alias): Same.
6405 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
6407         PR libitm/51830
6408         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
6409         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
6411 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
6412             Patrick Marlier  <patrick.marlier@gmail.com>
6413             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
6415         PR lto/51916
6416         * lto-wrapper.c (run_gcc): Pass the LTO section name to
6417         simple_object_start_read.
6419 2012-01-23  Richard Guenther  <rguenther@suse.de>
6422         PR tree-optimization/51895
6423         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
6424         parameter decomposition into BLKmode components.
6426 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
6428         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
6429         fake variables for restrict-qualified pointers whose pointed-to type
6430         contains a placeholder.
6432 2012-01-23  Richard Guenther  <rguenther@suse.de>
6434         PR tree-optimization/51949
6435         * ipa-split.c (execute_split_functions): Do not split malloc functions.
6437 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
6439         PR rtl-optimization/51933
6440         * ree.c (transform_ifelse): Return true right away if dstreg is
6441         already wider or equal to cand->mode.
6442         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
6443         (make_defs_and_copies_lists): Remove defs_list and copies_list
6444         arguments, add state argument, just truncate state->work_list
6445         instead of always allocating and freeing the vector.  Assert that
6446         get_defs succeeds instead of returning 2.  Changed return type to bool.
6447         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
6448         have ext_src_mode, see if it has been modified already with the
6449         right kind of extension and has been extended before from the
6450         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
6451         just return true.  Remember the original mode in state->modified array.
6452         (combine_reaching_defs): Add state argument.  Don't allocate and
6453         free here def_list, copied_list and vec vectors, instead just
6454         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
6455         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
6456         Add state variable, clear vectors in it, initialize state.modified
6457         if needed.  Free all the vectors at the end and state.modified too.
6458         Don't skip a candidate if the extension expression has been modified.
6460 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
6462         PR target/47096
6463         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
6464          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
6465         (extra_options) interix.opt -> i386/interix.opt"
6466         (extra_objs):Add winnt-stubs.o
6467         * configure.ac: Add interix to target_os .comm on PE check.
6468         * configure: Regenerate.
6469         * config/interix3.h: Delete and move bits to..
6470         * config/interix.h: Delete and move bits to..
6471         * config/i386/i386-interix3.h: Delete and move bits to..
6472         * config/i386/i386-interix.h: ..here.
6473         (TARGET_CPU_DEFAULT): Remove redefinition.
6474         (TARGET_ASM_CONSTRUCTOR): Undefine.
6475         (SUBTARGET_SWITCHES): Define for ms-bitfields.
6476         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
6477         (PTRDIFF_TYPE): Define.
6478         (LONG_DOUBLE_TYPE_SIZE): Define.
6479         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
6480         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6481         (TARGET_SECTION_TYPE_FLAGS): Define.
6482         (ASM_DECLARE_FUNCTION_NAME): Define.
6483         (ASM_OUTPUT_EXTERNAL): Define.
6484         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
6485         (ASM_OUTPUT_ALIGNED_BSS): Define.
6486         (PCC_BITFIELD_TYPE_MATTERS): Define.
6487         (USE_CONST_SECTION): Define.
6488         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
6489         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
6490         (SUPPORTS_ONE_ONLY): Remove.
6491         (I386_PE_STRIP_ENCODING): Define.
6492         * config/interix.opt: Delete and move bits to..
6493         * config/i386/interix.opt: ..here. New.
6494         (mpe-aligned-commons): Add.
6495         * config/i386/t-interix: Add copyright header.
6496         (winnt-stubs.o): Add rule.
6498 2012-01-22  Jason Merrill  <jason@redhat.com>
6500         PR c++/51832
6501         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
6502         for extra name aliases.
6504 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
6506         PR rtl-optimization/51924
6507         * ree.c (combine_set_extension): Improve debugging message.
6508         (combine_reaching_defs): Likewise.
6509         (get_defs): Rename confusingly named variable.
6510         (find_and_remove_re): Skip a candidate if the extension expression has
6511         been modified.
6513 2012-01-21  Robert Millan  <rmh@gnu.org>
6514             Gerald Pfeifer  <gerald@pfeifer.com>
6516         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
6517         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
6519 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
6521         PR tree-optimization/51914
6522         * tree-vect-stmts.c (vectorizable_conversion): For
6523         cvt_type && modifier == WIDEN, put temporary with cvt_type
6524         at the beginning of vec_dsts and set vec_dest to temporary
6525         with vectype_out.
6527 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
6529         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
6531 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
6533         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
6534         * config/rs6000/rs6000.c: Likewise.
6536 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
6538         PR target/51915
6539         * config/arm/arm.c (arm_count_output_move_double_insns): Call
6540         output_move_double on a copy of operands array.
6542 2012-01-20  Cary Coutant  <ccoutant@google.com>
6543             Dodji Seketeli  <dodji@redhat.com>
6545         PR debug/45682
6546         * dwarf2out.c (copy_declaration_context): Return ref to parent
6547         of declaration DIE, if necessary.
6548         (remove_child_or_replace_with_skeleton): Add new parameter; update
6549         caller.  Place skeleton DIE under parent DIE of original declaration.
6550         Move call to copy_declaration_context to here ...
6551         (break_out_comdat_types): ... from here.
6553 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6555         PR rtl-optimization/51856
6556         * reload.c (find_reloads_subreg_address): Set the address_reloaded
6557         flag to reloaded.
6559 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
6561         PR target/51819
6562         * config/arm/arm.c (arm_print_operand): Correct output of alignment
6563         hints for neon loads and stores.
6565 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
6567         PR target/49868
6568         PR target/50887
6569         * doc/extend.texi (Named Address Spaces): Split into subsections.
6570         (AVR Named Address Spaces): New subsection.
6571         (M32C Named Address Spaces): New subsection.
6572         (RL78 Named Address Spaces): New subsection.
6573         (SPU Named Address Spaces): New subsection.
6574         (Variable Attributes): New anchor "AVR Variable Attributes".
6575         (AVR Variable Attributes): Rewrite and avoid wording
6576         "address space" in this context.
6577         * doc/invoke.texi (AVR Options): Rewrite and add documentation
6578         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
6579         (AVR Built-in Macros): New subsubsection therein.
6580         * doc/md.texi (AVR constraints): Remove "C04", "R".
6582 2012-01-20  Richard Guenther  <rguenther@suse.de>
6584         PR tree-optimization/51903
6585         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
6586         when removing stmts.
6588 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
6590         PR target/50313
6591         * config/arm/arm.c (arm_load_pic_register): Use
6592         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
6593         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
6594         (arm_pic_static_addr): Likewise.
6595         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
6596         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
6597         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
6598         (pic_load_addr_unified): New.
6600 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
6602         PR target/51106
6603         * function.c (instantiate_virtual_regs_in_insn): Use
6604         delete_insn_and_edges when removing a wrong asm insn.
6606 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6608         PR rtl-optimization/40761
6609         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
6610         Add new member loop_num.
6611         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
6612         (ira_build): Remove the parameter.
6614         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
6615         (ira.c): Do not build CFG loops for one region allocation.  Remove
6616         argument from ira_build call.
6618         * ira-build.c (init_loop_tree_node): New function.
6619         (create_loop_tree_nodes): Use it.  Separate the case when CFG
6620         loops are not built.
6621         (more_one_region_p): Check current_loops.
6622         (finish_loop_tree_nodes): Separate the case when CFG loops are not
6623         built.
6624         (add_loop_to_tree): Process loop equal to NULL too.
6625         (form_loop_tree): Separate the case when CFG loops are not built.
6626         Use explicitly number for the root.
6627         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
6628         an assertion.
6629         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
6630         instead of loop->num.
6631         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
6632         (mark_all_loops_for_removal): Ditto.
6633         (remove_unnecessary_regions): Separate the case when CFG loops
6634         are not built.
6635         (ira_build): Remove the parameter.  Use explicit number of regions
6636         when CFG loops are not built.
6638         * ira-color.c (print_loop_title): Separate the case for the root node.
6639         Use loop_num instead of loop->num.
6640         (move_spill_restore): Use loop_num instead of loop->num.
6642         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
6643         (change_loop): Ditto.
6644         (change_loop): Use loop_num instead of loop->num.
6646         * ira-lives.c (process_bb_node_lives): Ditto.
6648         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
6650         * ira-conflicts.c (print_allocno_conflicts): Ditto.
6652 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
6654         PR libmudflap/40778
6655         * tree-mudflap.c (mf_artificial): New function.
6656         (execute_mudflap_function_ops, execute_mudflap_function_decls,
6657         mx_register_decls, mudflap_enqueue_decl): Use it.
6659         PR target/51876
6660         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
6661         numbers in the insn pattern.
6663 2012-01-19  Michael Matz  <matz@suse.de>
6665         PR tree-optimization/46590
6666         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
6667         use it in remembering which conflicts we already created.
6668         (add_scope_conflicts): Adjust call to above, (de)allocate helper
6669         bitmap.
6671 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
6673         PR lto/51280
6674         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
6675         (merge_and_complain): Same.
6677 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
6679         PR bootstrap/50237
6680         * config/initfini-array.h: Guard content of the header
6681         with #ifdef HAVE_INITFINI_ARRAY.
6682         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
6683         Add initfini-array.h to tm_file here.
6684         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
6685         * config.gcc: Don't add initfini-array.h to tm_file here.
6686         * configure: Regenerated.
6688 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
6690         PR rtl-optimization/51505
6691         * df-problems.c (df_kill_notes): New parameter live. Update comment.
6692         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
6693         (df_note_bb_compute): Update the call to df_kill_notes.
6695 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
6697         * trans-mem.c (requires_barrier): Remove call to is_global_var.
6699 2012-01-18  Richard Guenther  <rguenther@suse.de>
6701         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
6702         of conversions to void *.
6704 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6705             Richard Sandiford  <rdsandiford@googlemail.com>
6707         PR middle-end/50325
6708         PR middle-end/51192
6709         * optabs.h (simplify_expand_binop): Declare.
6710         * optabs.c (simplify_expand_binop): Make global.
6711         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
6712         endian targets if the source cannot be exactly covered by word
6713         mode chunks.
6715 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
6717         PR bootstrap/51872
6718         * hard-reg-set.h (struct hard_reg_set_container): New type.
6719         * target.h (struct hard_reg_set_container): Forward declare.
6720         * target.def (set_up_by_prologue): New target hook.
6721         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
6722         * doc/tm.texi: Regenerated.
6723         * function.c (thread_prologue_and_epilogue_insns): Change
6724         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
6725         Call targetm.set_up_by_prologue on it.
6726         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
6727         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
6729 2012-01-17  Nick Clifton  <nickc@redhat.com>
6731         * config/rx/rx.c (rx_can_use_simple_return): New function.
6732         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
6733         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
6735 2012-01-17  Richard Guenther  <rguenther@suse.de>
6737         PR middle-end/51782
6738         * expr.c (expand_assignment): Take address-space information
6739         from the address operand of MEM_REF and TARGET_MEM_REF.
6740         (expand_expr_real_1): Likewise.
6742 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6744         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
6745         reload dump is requested.
6747 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
6749         PR other/51165
6750         * trans-mem.c (requires_barrier): Call may_be_aliased.
6752 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
6754         PR tree-optimization/51877
6755         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
6756         call arguments and fndecls compare equal, instead return false if they
6757         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
6758         both SSA_NAMEs that are valueized the same, or they satisfy
6759         operand_equal_p.
6761 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6763         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
6764         Solaris 11+.
6765         * configure: Regenerate.
6767 2012-01-16  Jan Hubicka  <jh@suse.cz>
6769         PR c/12245
6770         PR c++/14179
6771         * convert.c (convert_to_integer): Use fold_convert for
6772         converting an INTEGER_CST to integer type.
6774 2012-01-16  Jason Merrill  <jason@redhat.com>
6776         PR c++/14179
6777         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
6779 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
6781         PR bootstrap/51860
6782         * config/s390/s390.c (s390_chunkify_start): Don't skip
6783         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
6784         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
6785         If insn is followed by NOTE_INSN_VAR_LOCATION or
6786         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
6787         Don't use location of note insns.
6789         PR tree-optimization/51865
6790         * tree-inline.c (tree_function_versioning): Call remap_decl
6791         on DECL_RESULT whenever it has VOID_TYPE_P type.
6793 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6795         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
6796         for calls to locally-binding MIPS16 functions if only the return
6797         type uses float regs.
6799 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
6800             Richard Sandiford  <rdsandiford@googlemail.com>
6802         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
6803         (SYMBOL_32_HIGH): Likewise.
6804         (mips_output_tls_reloc_directive): Declare.
6805         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
6806         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
6807         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
6808         (mips_lo_relocs, mips_hi_relocs): Make extern.
6809         (mips16_stub_function): Move up file.
6810         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
6811         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
6812         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
6813         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
6814         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
6815         (mips_get_tp): Add MIPS16 support.
6816         (mips_legitimize_tls_address): Remove MIPS16 sorry().
6817         Generalize DTPREL and TPREL handling.
6818         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
6819         Add MIPS16 TLS support.
6820         (mips_output_tls_reloc_directive): New function.
6821         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
6822         * config/mips/predicates.md (symbolic_operand_with_high)
6823         (tls_reloc_operand): New predicates.
6824         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
6825         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
6826         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
6827         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
6828         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
6829         (*tls_get_tp_mips16_call_<mode>): Likewise.
6831 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
6833         PR rtl-optimization/51821
6834         * recog.c (peep2_find_free_register): Determine clobbered registers
6835         from insn pattern.
6837 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
6839         PR target/50925
6840         * config/avr/avr-protos.h: Revert change of 2012-01-09.
6841         * config/avr/avr.c: Likewise.
6842         * config/avr/avr.h: Likewise.
6844 2012-01-13  Ian Lance Taylor  <iant@google.com>
6846         PR c++/50012
6847         * tree.h (TYPE_QUALS): Add cast to int.
6848         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
6850 2012-01-13  Ian Lance Taylor  <iant@google.com>
6852         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
6853         comparing param_index to VEC_length result.
6855 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
6857         * c-decl.c: Do not include tree-mudflap.h
6858         * tree-optimize.c: Likewise.
6859         * Makefile.in: Update dependencies.
6861 2012-01-13  Richard Guenther  <rguenther@suse.de>
6863         PR middle-end/8081
6864         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
6865         variable-sized result always use RSO.
6867 2012-01-12  DJ Delorie  <dj@redhat.com>
6869         * cfgexpand.c (convert_debug_memory_address): Allow any valid
6870         pointer type, not just the default pointer type.
6872 2012-01-09  Richard Henderson  <rth@redhat.com>
6873             Denis Chertykov  <chertykov@gmail.com>
6875         PR target/50925
6876         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
6877         * config/avr/avr.c (avr_can_eliminate): Simplify.
6878         (avr_initial_elimination_offset): Likewise.
6879         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
6880         (expand_epilogue): Likewise.
6881         (avr_legitimize_address): Gut.
6882         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
6883         (avr_hard_regno_nregs): New.
6884         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
6885         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
6886         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
6887         add soft frame pointer.
6888         (CALL_USED_REGISTERS): Likewise.
6889         (REG_CLASS_CONTENTS): Likewise.
6890         (REGISTER_NAMES): Likewise.
6891         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
6892         (HARD_FRAME_POINTER_REGNUM): New.
6893         (FRAME_POINTER_REGNUM): Use soft frame pointer.
6894         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
6895         remove the HARD_FRAME_POINTER self-elimination.
6897 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
6899         PR target/51756
6900         * config/avr/avr.c (avr_encode_section_info): Test for absence of
6901         DECL_EXTERNAL when checking for initializers of progmem variables.
6903 2012-01-12  Ira Rosen  <irar@il.ibm.com>
6905         PR tree-optimization/51799
6906         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
6907         that the last operation is a type demotion.
6909 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
6911         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
6912         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
6914 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
6916         PR bootstrap/51796
6917         * combine.c (distribute_notes): If i3 is a noreturn call,
6918         allow old_size to be equal to args_size and make sure the
6919         noreturn call gets REG_ARGS_SIZE note.
6920         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
6921         on noreturn calls even when the delta is 0.
6923 2012-01-11  Nathan Sidwell  <nathan@acm.org>
6925         * gcov.c (STRING_SIZE): Remove.
6926         (generate_results): Erase annotations for source files with no
6927         coverage information.
6928         (read_line): New.
6929         (output_lines): Use it.
6931 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
6933         * gimple.h (gimplify_body): Remove first argument.
6934         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
6935         pointer set here, instead just pass DATA to walk_tree.
6936         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
6937         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
6938         (unvisit_body): Likewise, but with unmark_visited.
6939         (gimplify_body): Remove BODY_P argument and adjust.
6940         (gimplify_function_tree): Adjust call to gimplify_body.
6941         * omp-low.c (finalize_task_copyfn): Likewise.
6943 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
6945         * tree.h (build_function_decl_skip_args): Add boolean parameter.
6946         (build_function_type_skip_args): Delete.
6947         * tree.c (build_function_type_skip_args): Make static and add
6948         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
6949         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
6950         pass it to build_function_type_skip_args.
6951         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
6952         (tree_function_versioning): Likewise.
6953         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
6954         build_function_decl_skip_args.
6955         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
6956         and pass it to build_function_decl_skip_args/tree_function_versioning.
6957         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
6958         * ipa-inline-transform.c (save_inline_function_body): Likewise.
6959         * trans-mem.c (ipa_tm_create_version): Likewise.
6960         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
6961         * tree-inline.c (declare_return_variable): Remove always-true test.
6962         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
6963         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
6964         * ipa-split.c (split_function): Skip the return value for the split
6965         part if it doesn't return.
6967 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6969         PR tree-optimization/49642
6970         * ipa-split.c (forbidden_dominators): New variable.
6971         (check_forbidden_calls): New function.
6972         (dominated_by_forbidden): Likewise.
6973         (consider_split): Check for forbidden dominators.
6974         (execute_split_functions): Initialize and free forbidden
6975         dominators info; call check_forbidden_calls.
6977 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
6979         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
6981 2012-01-11  Nick Clifton  <nickc@redhat.com>
6983         * config/rx/rx.md (return): Define pattern.
6985 2012-01-11  Richard Guenther  <rguenther@suse.de>
6987         * doc/extend.texi (malloc attribute): Adjust according to
6988         implementation.
6990 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
6991             Patrick Marlier  <patrick.marlier@gmail.com>
6993         PR middle-end/51516
6994         * trans-mem.c (get_cg_data): Traverse aliases if requested.
6995         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
6996         (ipa_tm_note_irrevocable): Same.
6997         (ipa_tm_scan_irr_block): Same.
6998         (ipa_tm_decrement_clone_counts): Same.
6999         (ipa_tm_scan_irr_function): Same.
7000         (ipa_tm_create_version_alias): Same.
7001         (ipa_tm_create_version): Same.
7002         (ipa_tm_transform_calls_redirect): Same.
7003         (ipa_tm_transform_calls): Same.
7004         (ipa_tm_transform_transaction): Same.
7005         (ipa_tm_execute): Same.
7007 2012-01-10  Richard Guenther  <rguenther@suse.de>
7009         PR middle-end/51806
7010         * opts.c (common_handle_option): Handle -Werror.
7012 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
7014         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
7015         operand number.
7017 2012-01-10  Jason Merrill  <jason@redhat.com>
7019         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
7020         information.
7022 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7024         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
7025         supports R_386_TLS_GD_PLT reloc.
7026         (gcc_cv_as_ix86_tlsldmplt): Check if linker
7027         supports R_386_TLS_LDM_PLT reloc.
7028         * configure: Regenerate.
7029         * config.in: Regenerate.
7031 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
7033         PR target/49868
7034         Extend __pgmx semantics to linearize memory.
7035         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
7036         determine if code comes inline or from libgcc.
7037         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
7038         (movmem_qi, movmem_qi): Set constraint #2 to "n".
7039         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
7040         (movmemx_qi, movmemx_hi): New insns.
7041         (xload_<mode>_libgcc): Rewrite to new insn condition.
7042         (xload_<mode>): Remove insns.
7043         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
7044         cases that don't satisfy avr_xload_libgcc_p().
7045         (avr_addr_space_convert): Allow converting in any direction.
7046         (avr_addr_space_subset_p): Return always true.
7047         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
7048         (avr_emit_movmemhi): Ditto.
7049         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
7050         (avr_out_movmem): Ditto.
7051         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
7052         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
7053         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
7054         (avr_encode_section_info): Encode 'progmem' in symbol flags.
7055         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
7057 2012-01-10  Richard Guenther  <rguenther@suse.de>
7059         PR tree-optimization/50913
7060         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
7061         Require data-refs to be representable by Graphite with respect
7062         to any loop nest.
7064 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
7066         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
7067         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
7069 2012-01-10  Tom de Vries  <tom@codesourcery.com>
7071         PR rtl-optimization/51271
7072         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
7073         handling annulled branch.
7075 2012-01-10  Richard Henderson  <rth@redhat.com>
7077         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
7078         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
7079         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
7080         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
7081         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
7082         arm_expand_vec_perm_const): New.
7083         * config/arm/arm-protos.h: Update.
7084         * config/arm/neon.md (UNSPEC_VCONCAT): New.
7085         (*neon_vswp<VDQX>): New.
7086         (neon_vcombine<VDX>): Use neon_split_vcombine.
7087         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
7088         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
7089         (vec_perm<VE>): New.
7091 2012-01-10  Richard Henderson  <rth@redhat.com>
7093         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
7094         use it if reload_completed.
7095         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
7096         arm_output_asm_insn, arm_process_output_memory_barrier,
7097         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
7098         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
7099         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
7100         arm_process_output_sync_insn, arm_output_sync_insn,
7101         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
7102         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
7103         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
7104         (emit_unlikely_jump): New.
7105         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
7106         (arm_split_atomic_op): New.
7107         * config/arm/arm-protos.h: Update.
7108         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
7109         (struct arm_sync_generator): Remove.
7110         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
7111         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
7112         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
7113         (VUNSPEC_LL, VUNSPEC_SC): New.
7114         (sync_result, sync_memory, sync_required_value, sync_new_value,
7115         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
7116         (attr length): Don't use arm_sync_loop_insns.
7117         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
7118         (movsfcc, movdfcc): Likewise.
7119         * config/arm/constraints.md (Ua): New.
7120         * config/arm/prediates.md (mem_noofs_operand): New.
7121         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
7122         (sync_clobber, sync_t2_reqd): Remove.
7123         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
7124         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
7125         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
7126         (arm_sync_compare_and_swap<SIDI>): Remove.
7127         (arm_sync_compare_and_swap<NARROW>): Remove.
7128         (arm_sync_lock_test_and_set<SIDI>): Remove.
7129         (arm_sync_lock_test_and_set<NARROW>): Remove.
7130         (arm_sync_new_<syncop><SIDI>): Remove.
7131         (arm_sync_new_<syncop><NARROW>): Remove.
7132         (arm_sync_new_nand<SIDI>): Remove.
7133         (arm_sync_new_nand<NARROW>): Remove.
7134         (arm_sync_old_<syncop><SIDI>): Remove.
7135         (arm_sync_old_<syncop><NARROW>): Remove.
7136         (arm_sync_old_nand<SIDI>): Remove.
7137         (arm_sync_old_nand<NARROW>): Remove.
7138         (*memory_barrier): Merge arm_output_memory_barrier.
7139         (atomic_compare_and_swap<QHSD>): New.
7140         (atomic_compare_and_swap<NARROW>_1): New.
7141         (atomic_compare_and_swap<SIDI>_1): New.
7142         (atomic_exchange<QHSD>): New.
7143         (cas_cmp_operand, cas_cmp_str): New.
7144         (atomic_op_operand, atomic_op_str): New.
7145         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
7146         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
7147         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
7148         (arm_load_exclusive<NARROW>): New.
7149         (arm_load_exclusivesi, arm_load_exclusivedi): New.
7150         (arm_store_exclusive<QHSD>): New.
7152 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
7154         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
7155         reload patterns if -mvsx-scalar-memory.
7157         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
7158         generated, even -mno-vsx-scalar-double was used.
7159         (vsx_xscvdpsp_scalar): Likewise.
7160         (vsx_xscvspdp_scalar2): Likewise.
7162 2012-01-09  Tom de Vries  <tom@codesourcery.com>
7163             Andrew Pinski  <apinski@cavium.com>
7165         PR debug/51471
7166         * reorg.c (fill_slots_from_thread): Don't speculate
7167         frame-related insns.
7169 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
7171         * sched-int.h (bb_note): Move to...
7172         * basic-block.h: ...here.
7173         * haifa-sched.c (bb_note): Move to...
7174         * cfgrtl.c: ...here.
7175         * function.c (next_block_for_reg): New function.
7176         (move_insn_for_shrink_wrap): Likewise.
7177         (prepare_shrink_wrap): Rewrite to use the above.
7179 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
7181         * gimple.c (is_gimple_non_addressable): Remove.
7182         * gimple.h: Remove is_gimple_non_addressable.
7183         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
7184         is_gimple_non_addressable.
7185         * trans-mem.c (expand_assign_tm): Same.
7187 2012-01-09  Richard Guenther  <rguenther@suse.de>
7189         PR tree-optimization/51775
7190         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
7191         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
7193 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
7195         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
7196         tuning parameters.
7197         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
7199 2012-01-09  Richard Guenther  <rguenther@suse.de>
7201         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
7203 2012-01-08  Jan Hubicka  <jh@suse.cz>
7205         PR tree-optimize/51680
7206         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
7207         on when known_vals needs to be computed; cleanup.
7209 2012-01-08  Jan Hubicka  <jh@suse.cz>
7211         PR tree-optimize/51694
7212         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
7214 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
7216         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
7217         for -std=c++98 and -std=c++11 too.
7219 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
7221         * cfgloop.c (cancel_loop): Add free() of bbs array.
7223 2012-01-07  Jan Hubicka  <jh@suse.cz>
7225         PR tree-optimization/51600
7226         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
7227         that benefits small functions.
7229 2012-01-07  Jan Hubicka  <jh@suse.cz>
7231         * ipa-inline.c (want_inline_small_function_p): Fix formating.
7233 2012-01-07  Jan Hubicka  <jh@suse.cz>
7235         PR tree-optimization/51680
7236         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
7237         whose inlining reduce unit size.
7239 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
7241         PR bootstrap/51725
7242         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
7243         Add canonical node to containing_mem chain after the non-canonical
7244         one, even if there weren't any locs to propagate.
7245         (remove_useless_values): Keep only canonical values.
7246         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
7247         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
7248         canonicalize mem_chain elements that are not discarded.
7250 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
7252         PR target/47333
7253         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
7254         before emitting functions.
7256         PR gcov-profile/50127
7257         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
7258         clear_aux_for_blocks.
7260 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
7262         PR debug/51746
7263         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
7265 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
7267         * c-decl.c (ext_block): Moved up.
7268         (collect_all_refs, for_each_global_decl): Take ext_block into account.
7270 2012-01-06  Han Shen  <shenhan@google.com>
7272         Translate built-in include paths for sysroot.
7273         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
7274         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
7276         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
7277         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
7279         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
7280         control whether sysroot should be prepended to gxx include dir.
7282         * configure: Regenerate.
7284 2012-01-06  Torvald Riegel  <triegel@redhat.com>
7286         PR rtl-optimization/51771
7287         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
7288         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
7290 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
7292         PR tree-optimization/51315
7293         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
7294         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
7296 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
7298         PR target/51681
7299         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
7300         for shrp pattern.  Correctly handle and fixup shift variable.
7301         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
7303 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7305         PR debug/51762
7306         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
7307         note when !ACCUMULATE_OUTGOING_ARGS.
7309 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
7311         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
7312         condition.
7313         (extract_range_from_unary_expr_1): Avoid useless computations.
7315 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7317         PR rtl-optimization/51767
7318         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
7319         of jump_block and add an extra edge for degenerated asm gotos.
7321         PR middle-end/51768
7322         * stmt.c (check_unique_operand_names): Don't ICE during error
7323         reporting if i is from labels chain.
7325         PR middle-end/44777
7326         * profile.c (branch_prob): Split bbs that have exit edge
7327         and need a fake entry edge too.
7329 2012-01-05  Jan Hubicka  <jh@suse.cz>
7331         PR middle-end/49710
7332         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
7333         unlooping loops.
7335 2012-01-05  Richard Guenther  <rguenther@suse.de>
7337         PR lto/50490
7338         * tree-streamer-out.c (write_ts_optimization): New function.
7339         (streamer_write_tree_body): Call it.
7340         * tree-streamer-in.c (lto_input_ts_optimization): New function.
7341         (streamer_read_tree_body): Call it.
7342         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
7344 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7346         PR middle-end/51761
7347         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
7348         * gimplify.c (gimplify_cleanup_point_expr): Save and set
7349         in_cleanup_point_expr before gimplify_stmt call and restore it
7350         afterwards.
7351         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
7352         in_cleanup_point_expr is false.
7354 2012-01-05  Richard Guenther  <rguenther@suse.de>
7356         PR middle-end/51764
7357         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
7358         to c.opt.
7359         * toplev.c (process_options): Reject combining mudflap and LTO.
7360         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
7362 2012-01-05  Richard Guenther  <rguenther@suse.de>
7364         PR tree-optimization/51760
7365         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
7366         not VARYING.
7367         (bit_value_unop): Handle UNDEFINED operands.
7368         (bit_value_binop): Likewise.
7370 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
7372         * config/avr/avr.c (avr_replace_prefix): Remove.
7373         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
7374         (avr_asm_function_rodata_section): Ditto.
7375         (avr_asm_select_section): Ditto.
7377 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
7379         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
7380         insertion.
7382 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7384         PR bootstrap/51648
7385         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
7386         calls that have any non-fake successor edges.
7388         PR debug/51746
7389         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
7391 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
7393         PR tree-optimization/51624
7394         * tree-sra.c (build_ref_for_model): When replicating a chain of
7395         COMPONENT_REFs, stop as soon as the offset would become negative.
7397 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
7399         PR debug/51695
7400         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
7401         in .debug_loc on the floor.
7403 2012-01-04  Andrew Pinski  <apinski@cavium.com>
7405         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
7407 2012-01-04  Andrew Pinski  <apinski@cavium.com>
7408             Adam Nemet  <anemet@caviumnetworks.com>
7410         * config/mips/mips.md (size): Add SI and DI.
7411         (SIZE): New mode attribute.
7412         (U): New code attribute.
7413         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
7414         (mips_lbux_<mode>): Delete.
7415         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
7416         (mips_lhx): Use gen_mips_lhx_extsi.
7417         (mips_lhx_<mode>): Delete.
7418         (mips_lwx): Delete.
7419         (mips_l<size>x): New expand.
7420         (mips_lwx_<mode>): Delete.
7421         (mips_l<GPR:size>x_<P:mode>): New pattern.
7422         (*mips_lw<u>x_<P:mode>_ext): Likewise.
7423         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
7424         * config/mips/mips.c (mips_lx_address_p): New function.
7425         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
7426         (dsp64): New availability predicate.
7427         (mips_builtins): Add an entry for __builtin_mips_ldx.
7428         * config/mips/mips.h (ISA_HAS_LBX): New define.
7429         (ISA_HAS_LBUX): Likewise.
7430         (ISA_HAS_LHX): Likewise.
7431         (ISA_HAS_LHUX): Likewise.
7432         (ISA_HAS_LWX): Likewise.
7433         (ISA_HAS_LWUX): Likewise.
7434         (ISA_HAS_LDX): Likewise.
7435         * doc/extend.texi (__builtin_mips_ldx): Document.
7437 2012-01-04  Tristan Gingold  <gingold@adacore.com>
7439         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
7440         when long pointers are used.
7441         * config.build (*-*-*vms*): Handle all OpenVMS targets.
7442         (alpha64-dec-*vms*, alpha*-dec-*vms*)
7443         (ia64-hp-*vms*): Remove.
7444         * config/vms/xm-vms64.h: Delete.
7446 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
7448         PR middle-end/51472
7449         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
7451 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
7453         * opts.c (finish_options): Remove duplicate sorry.
7455 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
7457         PR middle-end/51696
7458         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
7459         correctly.
7461 2012-01-04  Richard Guenther  <rguenther@suse.de>
7463         PR middle-end/51750
7464         * tree.c (size_low_cst): New function.
7465         * tree.h (size_low_cst): Declare.
7466         * fold-const.c (fold_comparison): Use it to extract the low
7467         part of the POINTER_PLUS_EXPR offset.
7469 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
7471         Fix clearing ZERO_REG
7472         * config/avr/avr.md (cc): Add alternative "ldi".
7473         (movqi_insn): Use it in cc attribute.
7474         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
7475         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
7476         (output_reload_insisf): Use ZERO_REG to pre-clear register.
7478 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7480         * configure: Regenerate.
7482 2012-01-04  Richard Guenther  <rguenther@suse.de>
7484         PR tree-optimization/49651
7485         * tree-ssa-structalias.c (type_can_have_subvars): New function.
7486         (var_can_have_subvars): Use it.
7487         (get_constraint_for_1): Only consider subfields if there can be any.
7489 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
7491         PR bootstrap/51725
7492         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
7493         to its new canonical_cselib_val and the cselib_val was in
7494         first_containing_mem chain, but the canonical_cselib_val was not,
7495         add the latter into the chain.
7496         (cselib_invalidate_mem): Compare canonical_cselib_val of
7497         addr_list chain elt with v.
7499         PR pch/51722
7500         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
7501         dwarf2out_undef): Allocate e.info using ggc_strdup instead
7502         of xstrdup.
7503         (output_macinfo_op): Don't ggc_strdup fd->filename.
7504         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
7505         then ggc_strdup it.  Don't free inc->info or cur->info.
7506         (output_macinfo): Don't free ref->info or file->info.
7508 2012-01-03  Ira Rosen  <irar@il.ibm.com>
7510         PR tree-optimization/51269
7511         * tree-vect-loop-manip.c (set_prologue_iterations): Make
7512         first_niters a pointer.
7513         (slpeel_tree_peel_loop_to_edge): Likewise.
7514         (vect_do_peeling_for_loop_bound): Update call to
7515         slpeel_tree_peel_loop_to_edge.
7516         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
7517         here.  Remove it from the parameters list.
7518         (vect_do_peeling_for_alignment): Update calls and compute
7519         wide_prolog_niters.
7521 2012-01-03  Richard Guenther  <rguenther@suse.de>
7523         PR tree-optimization/51070
7524         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
7525         Properly handle calls.
7527 2012-01-03  Richard Guenther  <rguenther@suse.de>
7529         PR tree-optimization/51692
7530         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
7531         the LHS of allocation stmts.
7533 2012-01-03  Olivier Hainque  <hainque@adacore.com>
7535         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
7537 2012-01-03  Olivier Hainque  <hainque@adacore.com>
7539         * collect2.c (main): In AIX specific computations for vector
7540         insertions, use CONST_CAST2 to cast from char ** to const char **.
7542 2012-01-03  Richard Guenther  <rguenther@suse.de>
7544         PR debug/51650
7545         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
7546         the context of a limbo DIE when it does not already exist.
7548 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
7550         PR tree-optimization/51719
7551         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
7552         but direct call is, clear direct call's lhs and don't add fallthrough
7553         edge from dcall_bb to join_bb and PHIs.
7555 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7557         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
7558         the instructions emitted by the pattern.
7559         ("*TDC_insn_<mode>"): Add comment.
7561 2012-01-03  Richard Guenther  <rguenther@suse.de>
7563         PR middle-end/51730
7564         * fold-const.c (fold_comparison): Properly canonicalize
7565         tree offset and HOST_WIDE_INT bit position.
7567 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
7569         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
7570         operands for extzv pattern.
7572 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
7574         PR bootstrap/51725
7575         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
7576         on mem_elt first.
7578 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
7580         * doc/invoke.texi (-flto and related options): Copy-edit.
7582 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7584         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
7586 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
7588         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
7589         New patterns.
7591 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7593         * expr.h (move_by_pieces_ninsns): Declare.
7594         * expr.c (move_by_pieces_ninsns): Make external.
7595         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
7596         (mips_store_by_pieces_p): Likewise.
7597         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
7598         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
7599         * config/mips/mips.c (mips_move_by_pieces_p): New function.
7600         (mips_store_by_pieces_p): Likewise.
7602 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
7604         * passes.c (register_one_dump_file): Free full_name.
7606         * reload1.c (reload): Don't allocate reg_max_ref_width here.
7607         (calculate_elim_costs_all_insns): Free offsets_at and
7608         offsets_known_at at the end and clear the pointers.
7610 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
7612         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
7613         this option introduced in r180739.
7615 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
7617         PR target/51345
7618         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
7619         (tmake_file target=avr): Add avr/t-multilib.
7621         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
7622         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
7623         * config/avr/genmultilib.awk: New file.
7624         * config/avr/t-multilib: New auto-generated file.
7625         * config/avr/multilib.h: New auto-generated file.
7626         * config/avr/t-avr (AVR_MCUS): New variable.
7627         (genopt.sh): Use it.
7628         (s-mlib): Depend on t-multilib.
7629         (t-multilib, multilib.h): New dependencies.
7630         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
7631         (MULTILIB_OPTIONS): Remove.
7632         (MULTILIB_MATCHES): Remove.
7633         (MULTILIB_DIRNAMES): Remove.
7634         (MULTILIB_EXCEPTIONS): Remove:
7635         * config/avr/genopt.sh: Don't use hard coded file name;
7636         pass AVR_MCUS from t-avr instead.
7638 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
7640         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
7642 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
7644         Implement light-weight DImode support.
7645         * config/avr/avr-dimode.md: New file.
7646         * config/avr/avr.md: Include it.
7647         (adjust_len): Add plus64, compare64.
7648         (HIDI): Remove code iterator.
7649         (code_stdname): New code attribute.
7650         (rotx, rotsmode): Remove DI.
7651         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
7652         as code iterator.
7653         * config/avr/avr-protos.h (avr_have_dimode): New.
7654         (avr_out_plus64, avr_out_compare64): New.
7655         * config/avr/avr.c (avr_out_compare): Handle DImode.
7656         (avr_have_dimode): New variable definition and initialization.
7657         (avr_out_compare64, avr_out_plus64): New functions.
7658         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
7659         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
7660         (avr_compare_pattern): Skip DImode comparisons.
7662 2012-01-02  Revital Eres  <revital.eres@linaro.org>
7664         * ddg.c (def_has_ccmode_p): New function.
7665         (add_cross_iteration_register_deps,
7666         create_ddg_dep_from_intra_loop_link): Call it.
7668 2012-01-02  Richard Guenther  <rguenther@suse.de>
7670         PR other/51679
7671         * invoke.texi (fassociative-math): Remove spurious paranthesis.
7673 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
7675         * gcc.c (process_command): Update copyright notice dates.
7676         * gcov.c (print_version): Likewise.
7677         * gcov-dump.c (print_version): Likewise.
7678         * mips-tfile.c (main): Likewise.
7679         * mips-tdump.c (main): Likewise.
7681 2012-01-01  Ira Rosen  <irar@il.ibm.com>
7683         PR tree-optimization/51704
7684         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
7685         a use is inside the basic block or loop before accessing its vect info.
7687 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
7689         PR rtl-optimization/51069
7690         * cfgloopmanip.c (remove_path): Removing path making irreducible
7691         region unconditional makes BB part of the region.
7693 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
7695         PR tree-optimization/51683
7696         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
7697         calls with side-effects.
7698         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
7700 Copyright (C) 2012 Free Software Foundation, Inc.
7702 Copying and distribution of this file, with or without modification,
7703 are permitted in any medium without royalty provided the copyright
7704 notice and this notice are preserved.