gcc/ChangeLog

   1 2012-10-30  Eric Botcazou  <ebotcazou@adacore.com>
   2
   3         * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
   4         head comment.
   5         (hash_rtx): Likewise.
   6
   7 2012-10-29  Terry Guo  <terry.guo@arm.com>
   8
   9         Backport from mainline
  10         2012-10-11  Terry Guo  <terry.guo@arm.com>
  11
  12         * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
  13         architecture.
  14         * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
  15         instruction.
  16
  17 2012-10-26  Gunther Nikl  <gnikl@users.sourceforge.net>
  18
  19         * common/config/m68k/m68k-common.c (m68k_handle_option): Set
  20         gcc_options fields of opts_set for -m68020-40 and -m68020-60.
  21
  22 2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>
  23
  24         * config/avr/t-rtems: Revert previous commit.
  25
  26 2012-10-26  Terry Guo  <terry.guo@arm.com>
  27
  28         Backport from mainline
  29         2012-10-23  Terry Guo  <terry.guo@arm.com>
  30
  31         PR target/55019
  32         * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
  33         live argument regs.
  34
  35 2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>
  36
  37         * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
  38         __USE_INIT_FINI__.
  39         * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
  40
  41 2012-10-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
  42
  43         * config.gcc (microblaze*-*-rtems*): New target.
  44         * config/microblaze/rtems.h: New.
  45         * config/microblaze/t-rtems: New.
  46
  47 2012-10-25  Richard Biener  <rguenther@suse.de>
  48
  49         PR tree-optimization/54902
  50         * tree-ssa-pre.c (fini_pre): Return TODO.
  51         (execute_pre): Adjust.
  52         * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
  53         blocks before computing dominators.
  54
  55 2012-10-24  Uros Bizjak  <ubizjak@gmail.com>
  56
  57         Backport from mainline
  58         2012-10-22  Uros Bizjak  <ubizjak@gmail.com>
  59
  60         * config/i386/i386.c (memory_address_length): Assert that non-null
  61         base or index RTXes are registers.  Do not check for REG RTXes.
  62         Determine addr32 prefix using SImode_address_operand or
  63         from original base and index RTXes.  Simplify code.
  64
  65         2012-10-21  Uros Bizjak  <ubizjak@gmail.com>
  66
  67         * config/i386/i386-protos.h (memory_address_length): Add new bool
  68         argument.  Update all uses.
  69         * config/i386/i386.c (memory_address_length): If not LEA insn, then
  70         add length of addr32 prefix based on mode of base or index register.
  71         (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
  72         addresses here.  Update call to memory_address_length.
  73         (ix86_print_address_operand): Use SImode_address_operand predicate.
  74         * config/i386/predicates.md (SImode_address_operand): New.
  75         * config/i386/i386.md (lea<mode>): Use SImode_address_operand
  76         to calculate "mode" attribute.  Use SImode_address_operand predicate
  77         instead of open-coding accepted RTX codes.
  78
  79 2012-10-22  Georg-Johann Lay  <avr@gjlay.de>
  80
  81         Backport from 2012-10-22 trunk r192685.
  82         * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
  83         Note __AVR_<device>__ is not defined for cores.
  84         Don't point to --help=target.
  85         Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
  86
  87 2012-10-19  Marek Polacek  <polacek@redhat.com>
  88
  89         Backported from mainline
  90         2012-10-19  Marek Polacek  <polacek@redhat.com>
  91
  92         PR middle-end/54945
  93         * fold-const.c (fold_sign_changed_comparison):  Punt if folding
  94         pointer/non-pointer comparison.
  95
  96 2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>
  97
  98         Backported from mainline
  99         2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>
 100
 101         PR target/54892
 102         * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
 103         sure the mode is correct when falling through from above cases.
 104
 105 2012-10-19  Alan Modra  <amodra@gmail.com>
 106
 107         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
 108         (HAVE_LD_LARGE_TOC): Likewise.
 109         * configure: Regenerate.
 110
 111 2012-10-19  Alan Modra  <amodra@gmail.com>
 112
 113         * config/rs6000/predicates.md (splat_input_operand): Don't call
 114         input_operand for MEMs.  Instead check for volatile and call
 115         memory_address_addr_space_p with modified mode.
 116
 117 2012-10-17  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
 118
 119         Backported from mainline
 120         2012-07-23  Ulrich Weigand  <ulrich.weigand@linaro.org>
 121
 122         * config/arm/arm.c (arm_reorg): Ensure all insns are split.
 123
 124 2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>
 125
 126         PR rtl-optimization/54870
 127         * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
 128         * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
 129         SSA_NAME pointer that points to a partition if there is at least
 130         one variable with it set in the partition.
 131         * dse.c (local_variable_can_escape): New predicate.
 132         (can_escape): Call it.
 133         * gimplify.c (mark_addressable): If this is a partitioned decl, also
 134         mark the SSA_NAME pointer that points to a partition.
 135
 136 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
 137
 138         Backport from mainline
 139         2012-08-09  Andrey Belevantsev  <abel@ispras.ru>
 140
 141         PR rtl-optimization/53701
 142         * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
 143         rocess not only expr's vinsns but all old vinsns from expr's
 144         istory of changes.
 145
 146 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
 147
 148         Backport from mainline
 149         2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
 150         PR target/53975
 151
 152         * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
 153         Revert
 154         2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
 155         * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
 156         only if producer writes to the register given by regno.
 157
 158 2012-09-15  Uros Bizjak  <ubizjak@gmail.com>
 159
 160         Backport from mainline
 161         2012-10-15  Uros Bizjak  <ubizjak@gmail.com>
 162
 163         * config/i386/sse.md (UNSPEC_MOVU): Remove.
 164         (UNSPEC_LOADU): New.
 165         (UNSPEC_STOREU): Ditto.
 166         (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
 167         (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
 168         (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
 169         (<sse2>_movdqu<avxsizesuffix>): Split to ...
 170         (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
 171         (<sse2>_storedqu<avxsizesuffix>): ... this.
 172         (*sse4_2_pcmpestr_unaligned): Update.
 173         (*sse4_2_pcmpistr_unaligned): Ditto.
 174
 175         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
 176         gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
 177         gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
 178         (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
 179         gen_sse2_load{dqu,upd} to load from unaligned memory and
 180         gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
 181         unaligned memory.
 182         (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
 183         Use CODE_FOR_sse_loadups.
 184         <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
 185         <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
 186         <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
 187         <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
 188         <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
 189         <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
 190         <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
 191         <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
 192         <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
 193         <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
 194         <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
 195
 196 2012-10-15  Steven Bosscher  <steven@gcc.gnu.org>
 197
 198         Backport from trunk (r190222):
 199
 200         PR tree-optimization/54146
 201         * ifcvt.c: Include pointer-set.h.
 202         (cond_move_process_if_block): Change type of then_regs and
 203         else_regs from alloca'd array to pointer_sets.
 204         (check_cond_move_block): Update for this change.
 205         (cond_move_convert_if_block): Likewise.
 206         * Makefile.in: Fix dependencies for ifcvt.o.
 207
 208 2012-10-15  Richard Guenther  <rguenther@suse.de>
 209
 210         PR tree-optimization/54920
 211         * tree-ssa-pre.c (create_expression_by_pieces): Properly
 212         allocate temporary storage for all NARY elements.
 213
 214 2012-10-08  Georg-Johann Lay  <avr@gjlay.de>
 215
 216         PR target/54854
 217         * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
 218
 219 2012-10-05  Mark Kettenis  <kettenis@openbsd.org>
 220
 221         * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
 222         default_use_cxa_atexit to yes.
 223
 224 2012-10-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 225
 226         * config/pa/pa.md: Adjust unamed HImode add insn pattern.
 227
 228 2012-10-05  Jan Hubicka  <jh@suse.cz>
 229             Jakub Jelinek  <jakub@redhat.com>
 230
 231         PR tree-optimization/33763
 232         * tree-inline.c (expand_call_inline): Silently ignore always_inline
 233         attribute for redefined extern inline functions.
 234
 235 2012-10-03  H.J. Lu  <hongjiu.lu@intel.com>
 236
 237         Backported from mainline
 238         2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
 239
 240         * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
 241         in SSE and YMM state support check for -march=native.
 242
 243 2012-10-03  Alexandre Oliva <aoliva@redhat.com>
 244
 245         PR debug/53135
 246         * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
 247         when needed.
 248
 249 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
 250
 251         Backported from mainline
 252         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
 253
 254         PR target/54785
 255         * doc/invoke.texi: Document -mprefer-avx128.
 256
 257 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
 258
 259         Backported from mainline
 260         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
 261
 262         PR target/54741
 263         *  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
 264         (XSTATE_FP): Likewise.
 265         (XSTATE_SSE): Likewise.
 266         (XSTATE_YMM): Likewise.
 267         (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
 268         SSE and YMM states aren't supported.
 269
 270 2012-10-01  Tom de Vries  <tom@codesourcery.com>
 271
 272         * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
 273         the prototype.
 274
 275 2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 276
 277         PR target/54746
 278         * config/s390/s390.c (s390_option_override): Add missing break.
 279
 280 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
 281
 282         Backport from mainline
 283         2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
 284
 285         * config.gcc: Replace 'host' with 'target' when configuring for
 286         powerpc64*-*-freebsd.
 287
 288 2012-09-28  Meador Inge  <meadori@codesourcery.com>
 289
 290         Backport from mainline
 291         2012-09-27  Meador Inge  <meadori@codesourcery.com>
 292
 293         * gcc-ar.c (main): Handle the returning of the sub-process error
 294         code correctly.
 295
 296 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
 297
 298         Backport from 2012-09-28 trunk r191821.
 299         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
 300
 301 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
 302
 303         PR target/54703
 304         * simplify-rtx.c (simplify_binary_operation_1): Perform
 305         (x - (x & y)) -> (x & ~y) optimization only for integral modes.
 306
 307 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
 308
 309         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
 310         TYPE_NONALIASED_COMPONENT flag.
 311         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
 312         TYPE_NONALIASED_COMPONENT flag.
 313
 314 2012-09-21  Richard Guenther  <rguenther@suse.de>
 315
 316         PR middle-end/54638
 317         Backport from mainline
 318         2012-04-19  Richard Guenther  <rguenther@suse.de>
 319
 320         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
 321         array access.
 322
 323 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
 324
 325         PR c/54552
 326         * c-typeck.c (c_cast_expr): When casting to a type requiring
 327         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
 328         c_fully_fold first.
 329
 330 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
 331
 332         PR c/54103
 333         * c-typeck.c (build_unary_op): Pass original argument of
 334         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
 335         any C_MAYBE_CONST_EXPR, if it has integer operands.
 336         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
 337         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
 338         to c_objc_common_truthvalue_conversion, then remove any
 339         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
 340         c_objc_common_truthvalue_conversion not
 341         c_common_truthvalue_conversion.
 342         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
 343         call note_integer_operands for arguments with integer operands
 344         that are not integer constants.
 345
 346 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 347
 348         Backported from mainline
 349         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
 350
 351         PR tree-optimization/54563
 352         * tree-ssa-math-opts.c (execute_cse_sincos): Call
 353         gimple_purge_dead_eh_edges if last call has been changed.
 354
 355         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
 356
 357         PR target/54564
 358         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
 359         instead of (match_dup 0) as second argument to vec_merge.
 360         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
 361         Remove third alternative.
 362         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
 363         operand 2 instead of operand 1, but put it as first argument
 364         of fma.
 365         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
 366         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
 367         of the first.
 368
 369 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 370
 371         * BASE-VER: Set to 4.7.3.
 372         * DEV-PHASE: Set to prerelease.
 373
 374 2012-09-20  Release Manager
 375
 376         * GCC 4.7.2 released.
 377
 378 2012-09-15  Andi Kleen  <ak@linux.intel.com>
 379
 380         Backport from mainline
 381         2012-09-07  Andi Kleen  <ak@linux.intel.com>
 382
 383         * gcc/lto-streamer.h (res_pair): Add.
 384         (lto_file_decl_data): Replace resolutions with respairs.
 385         Add max_index.
 386         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
 387         Initialize respairs.
 388         (lto_file_finalize): Set up resolutions vector lazily from respairs.
 389
 390 2012-09-14  Walter Lee  <walt@tilera.com>
 391
 392         Backport from mainline.
 393         2012-09-14  Walter Lee  <walt@tilera.com>
 394
 395         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
 396         option for TILEPro and TILE-Gx.
 397
 398 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
 399
 400         * config/i386/i386.h (x86_prefetchw): New global variable.
 401         (TARGET_PREFETCHW): New macro.
 402         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
 403         (processor_alias_table): Add PTA_PREFETCHW to
 404         bdver1, bdver2 and btver1.
 405         (ix86_option_override_internal): Set x86_prefetchw for
 406         PTA_PREFETCHW targets.
 407         * config/i386/i386.md (prefetch): Expand to prefetchw
 408         for TARGET_PREFETCHW.
 409         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
 410
 411         Backport from mainline
 412         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
 413
 414         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
 415         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
 416         Rename to ...
 417         (*prefetch_sse): ... this.
 418         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
 419         Rename to ...
 420         (*prefetch_3dnow): ... this.
 421
 422 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
 423
 424         PR c/54559
 425         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
 426         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
 427
 428 2012-09-12  Teresa Johnson  <tejohnson@google.com>
 429
 430         Backport from mainline.
 431         2012-09-12  Teresa Johnson  <tejohnson@google.com>
 432
 433         PR gcov-profile/54487
 434         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
 435         test using F_SETLKW with fcntl.
 436         * configure, config.in: Regenerate.
 437
 438 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
 439
 440         Backport from mainline
 441         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
 442
 443         * config/i386/i386.md : Comments on fma4 instruction selection
 444         reflect requirement on register pressure based cost model.
 445
 446         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
 447         flag is set-reset as informed by the cpuid flag.
 448
 449         * config/i386/i386.c (processor_alias_table): fma4
 450         flag is enabled for bdver2.
 451
 452 2012-09-12  Christian Bruel  <christian.bruel@st.com>
 453
 454         * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
 455
 456 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
 457
 458         * config.gcc: Obsolete picochip-*.
 459
 460 2012-09-11  Richard Guenther  <rguenther@suse.de>
 461
 462         PR debug/54534
 463         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
 464         on flag_toplevel_reorder.
 465
 466 2012-09-10  Richard Henderson  <rth@redhat.com>
 467
 468         * config/alpha/predicates.md (small_symbolic_operand): Disallow
 469         large offsets.
 470
 471 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
 472
 473         Backport from 2012-09-10 mainline r191132.
 474
 475         PR target/54536
 476         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
 477
 478 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
 479
 480         PR middle-end/54515
 481         * tree-sra.c (disqualify_base_of_expr): Check for possible
 482         NULL_TREE returned by get_base_address()
 483
 484 2012-09-07  Richard Guenther  <rguenther@suse.de>
 485
 486         Backport from mainline
 487         2012-06-26  Jan Hubicka  <jh@suse.cz>
 488
 489         PR lto/53572
 490         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
 491         used symbols.
 492
 493 2012-09-07  Richard Guenther  <rguenther@suse.de>
 494
 495         Backport from mainline
 496         2012-07-13  Richard Guenther  <rguenther@suse.de>
 497
 498         PR tree-optimization/53922
 499         * tree-vrp.c (value_inside_range): Change prototype to take
 500         min/max instead of value-range.
 501         (range_includes_zero_p): Likewise.  Return the result from
 502         value_inside_range.
 503         (extract_range_from_binary_expr_1): Adjust to handle dont-know
 504         return value from range_includes_zero_p.
 505         (extract_range_from_unary_expr_1): Likewise.
 506         (compare_range_with_value): Likewise.
 507         (vrp_meet_1): Likewise.
 508
 509 2012-09-07  Richard Guenther  <rguenther@suse.de>
 510
 511         PR middle-end/53667
 512         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
 513         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
 514         arguments separately.
 515
 516 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
 517
 518         Backported from mainline
 519         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
 520
 521         PR rtl-optimization/54455
 522         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
 523         bb ends up with asm goto referencing bb's label.
 524
 525 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 526
 527         Backport from mainline.
 528         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 529                     Richard Earnshaw  <richard.earnshaw@arm.com>
 530
 531         PR target/54252
 532         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
 533         element size. Use elem_type from the formal parameter. New parameter
 534         fcode.
 535         (neon_expand_args): Adjust call to neon_dereference_pointer.
 536
 537 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
 538
 539         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
 540         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
 541
 542 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
 543
 544         Backport from mainline
 545         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
 546
 547         * config/i386/i386.md (isa): Add fma and fma4.
 548         (enabled): Handle fma and fma4.
 549         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
 550         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
 551         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
 552         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
 553         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
 554         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
 555
 556         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
 557
 558         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
 559         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
 560         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
 561
 562 2012-09-06  Richard Guenther  <rguenther@suse.de>
 563
 564         PR tree-optimization/54498
 565         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
 566         abort when reaching an already visited region.
 567         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
 568         (get_continuation_for_phi_1): Likewise.
 569         (walk_non_aliased_vuses): When we translated the reference,
 570         abort when we re-visit a region.
 571         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
 572
 573 2012-09-06  Andrew Pinski  <apinski@cavium.com>
 574
 575         PR tree-opt/54494
 576         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
 577
 578 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
 579
 580         PR middle-end/54486
 581         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
 582         build_int_cst with size_type_node instead of size_int.
 583
 584 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
 585
 586         Backport from 2012-09-05 mainline r190697.
 587
 588         PR target/54461
 589         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
 590         configured --with-avrlibc.
 591         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
 592         --with-avrlibc.
 593         * config/avr/avrlibc.h: New file.
 594         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
 595         configured --with-avrlibc.
 596         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
 597
 598 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
 599
 600         Backport from 2012-09-04 mainline r190919
 601
 602         PR target/45070
 603         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
 604         of size less than 4 bytes by using macro ARM_NUM_INTS.
 605         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
 606
 607 2012-09-04  Richard Henderson  <rth@redhat.com>
 608
 609         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
 610
 611 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
 612
 613         Backport from 2012-09-04 mainline r190920
 614
 615         PR target/54476
 616         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
 617
 618 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 619
 620         Backport from 2012-09-04 mainline r190914
 621
 622         PR target/54220
 623         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
 624         define to...
 625         (avr_allocate_stack_slots_for_args): ...this new static function.
 626
 627 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
 628
 629         Backported from mainline
 630         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
 631
 632         PR driver/54335
 633         * doc/invoke.texi: Add -da and remove -dm.
 634
 635 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
 636
 637         Backported from mainline
 638         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
 639
 640         PR target/54436
 641         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
 642         operands[1] is CONST_INT_P, convert it to QImode before printing.
 643
 644         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
 645
 646         PR c/54428
 647         * c-convert.c (convert): Don't call fold_convert_loc if
 648         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
 649         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
 650         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
 651
 652         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
 653
 654         PR c/54363
 655         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
 656         if init is a CONSTRUCTOR.
 657
 658 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
 659
 660         PR rtl-optimization/54369
 661         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
 662         calling dbr_schedule.
 663         * config/sparc/sparc.c (sparc_reorg): Likewise.
 664
 665 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
 666
 667         Backport from mainline
 668         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
 669
 670         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
 671         case for Atom processor.
 672
 673 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
 674
 675         Backport from mainline
 676         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
 677
 678         PR target/46254
 679         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
 680         true for TARGET_64BIT or !flag_pic.
 681         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
 682         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
 683         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
 684         Add insn constraint.  Conditionally emit xchg asm insns.
 685         (atomic_compare_and_swap<mode>): Update calls.  Check only
 686         cmpxchg8b_pic_memory_operand in memory address fixup.
 687         (DCASMODE): Remove.
 688         (CASHMODE): Rename from DCASHMODE.
 689         (doublemodesuffix): Update modes.
 690         (regprefix): New mode attribute.
 691
 692         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
 693         <UNSPECV_CMPXCHG>: New constant.
 694         (atomic_compare_and_swap<mode>_1): Rename from
 695         atomic_compare_and_swap_single<mode>.  Update calls and
 696         unspec_volatile constants.
 697         (atomic_compare_and_swap<mode>_doubleword): Rename from
 698         atomic_compare_and_swap_double<mode>.  Update calls and
 699         unspec_volatile constants.
 700
 701 2012-08-28  Walter Lee  <walt@tilera.com>
 702
 703         Backport from mainline
 704         2012-08-28  Walter Lee  <walt@tilera.com>
 705
 706         * confg/tilegx/tilegx.md: Fix code style.
 707         (*zero_extendsidi_truncdisi): Fix typo.
 708         * config/tilegx/tilegx.c: Fix code style.
 709         (tilegx_function_profiler): Fix typo.
 710
 711 2012-08-27  Walter Lee  <walt@tilera.com>
 712
 713         Backport from mainline
 714         2012-08-27  Walter Lee  <walt@tilera.com>
 715
 716         * doc/md.texi (TILE-Gx): Fix typo.
 717
 718 2012-08-27  Walter Lee  <walt@tilera.com>
 719
 720         Backport from mainline
 721         2012-08-27  Walter Lee  <walt@tilera.com>
 722
 723         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
 724         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
 725
 726 2012-08-27  Walter Lee  <walt@tilera.com>
 727
 728         Backport from mainline
 729         2012-08-27  Walter Lee  <walt@tilera.com>
 730
 731         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
 732         (insn_bfins): Delete.
 733
 734 2012-08-27  Walter Lee  <walt@tilera.com>
 735
 736         Backport from mainline
 737         2012-08-27  Walter Lee  <walt@tilera.com>
 738
 739         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
 740         atomic_exchange_bare<mode>,
 741         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
 742         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
 743         * config/tilegx/tilegx.md (type): Add X1_remove.
 744         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
 745         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
 746         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
 747         X1_remote.
 748
 749 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
 750
 751         PR rtl-optimization/54088
 752         * jump.c (delete_related_insns): Robustify latest change.
 753
 754 2012-08-21  Richard Guenther  <rguenther@suse.de>
 755
 756         Backport from mainline
 757         2012-08-16  Richard Guenther  <rguenther@suse.de>
 758
 759         PR middle-end/54146
 760         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
 761         exit vector.
 762         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
 763         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
 764         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
 765         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
 766         (tree_ssa_lim_finalize): Free all mem_refs.
 767         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
 768         scc when bailing out.
 769         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
 770         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
 771         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
 772         FOR_EACH_LOOP_BREAK.
 773
 774         2012-08-17  Richard Guenther  <rguenther@suse.de>
 775
 776         * tree-sra.c (modify_function): Free redirect_callers vector.
 777         * ipa-split.c (split_function): Free args_to_pass vector.
 778         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
 779         vec_oprnds.
 780         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
 781         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
 782         (vect_analyze_slp_instance): Free everything.
 783         (destroy_bb_vec_info): Free the SLP instances.
 784
 785         2012-08-17  Richard Guenther  <rguenther@suse.de>
 786
 787         * params.def (integer-share-limit): Decrease from 256 to 251,
 788         add rationale.
 789
 790         2012-08-21  Richard Guenther  <rguenther@suse.de>
 791
 792         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
 793         the affine expansion cache.
 794
 795 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
 796
 797         Backported from trunk
 798         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
 799
 800         PR middle-end/53992
 801         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
 802
 803 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 804
 805         Backport from mainline.
 806         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 807
 808         PR target/54212
 809         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
 810         mark as predicable. Adjust asm template.
 811         (vec_setv2di_internal): Likewise.
 812         (vec_extract<mode> VD, VQ): Likewise.
 813         (vec_extractv2di): Likewise.
 814         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
 815         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
 816         (neon_vdup_n<mode> VX, V32): Likewise.
 817         (neon_vdup_nv2di): Likewise.
 818
 819 2012-08-17  Walter Lee  <walt@tilera.com>
 820
 821         Backport from mainline
 822         2012-08-17  Walter Lee  <walt@tilera.com>
 823
 824         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
 825         (FEEDBACK_ENTER): Define.
 826         (FEEDBACK_REENTER): Define.
 827         (FEEDBACK_ENTRY): Define.
 828         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
 829         (FEEDBACK_ENTER): Define.
 830         (FEEDBACK_REENTER): Define.
 831         (FEEDBACK_ENTRY): Define.
 832
 833 2012-08-16  Walter Lee  <walt@tilera.com>
 834
 835         Backport from mainline
 836         2012-08-16  Walter Lee  <walt@tilera.com>
 837
 838         * config.gcc (tilegx-*-linux*): Add feedback.h.
 839         (tilepro-*-linux*): Likewise.
 840         * config/tilegx/feedback.h: New file.
 841         * config/tilepro/feedback.h: New file.
 842
 843 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
 844
 845         Backport from mainline r189840 and r187586:
 846         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
 847
 848         * config/i386/i386.md (stack_protect_set): Disable the pattern
 849         for Android since Android libc (bionic) does not provide random
 850         value for stack protection guard at gs:0x14. Guard value
 851         will be provided from external symbol (default implementation).
 852         (stack_protect_set_<mode>): Likewise.
 853         (stack_protect_test): Likewise.
 854         (stack_protect_test_<mode>): Likewise.
 855         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
 856         not have Bionic by default
 857         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
 858         Macro OPTION_BIONIC is defined in this file and provides Bionic
 859         accessibility status
 860
 861         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
 862
 863         * configure.ac: Stack protector enabling for Android targets.
 864         * configure: Regenerate.
 865
 866 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
 867
 868         Backported from trunk
 869         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
 870
 871         PR rtl-optimization/53942
 872         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
 873         directly from likely spilled non-fixed hard registers, move them
 874         to pseudo first.
 875
 876 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
 877
 878         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
 879         (xop_phaddubq): Ditto.
 880
 881 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
 882
 883         Backport from mainline
 884         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
 885                     Richard Earnshaw  <rearnsha@arm.com>
 886
 887         * target.def (vector_alignment): New target hook.
 888         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
 889         * doc/tm.texi: Regenerate.
 890         * targhooks.c (default_vector_alignment): New function.
 891         * targhooks.h (default_vector_alignment): Add prototype.
 892         * stor-layout.c (layout_type): Use targetm.vector_alignment.
 893         * config/arm/arm.c (arm_vector_alignment): New function.
 894         (TARGET_VECTOR_ALIGNMENT): Define.
 895
 896         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
 897         vector type alignment instead of size.
 898         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
 899         element type size directly instead of computing it from alignment.
 900         Fix variable naming and comment.
 901
 902 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
 903
 904         Backport from mainline
 905         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
 906
 907         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
 908         (alpha_pad_function_end): ... this.  Also insert NOP between
 909         sibling call and GP load.
 910         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
 911
 912 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
 913
 914         Backport from mainline
 915         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
 916                     H.J. Lu  <hongjiu.lu@intel.com>
 917
 918         PR rtl-optimization/54157
 919         * combine.c (gen_lowpart_for_combine): Don't return identity
 920         for CONST or symbolic reference.
 921
 922 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
 923
 924         Backport from mainline
 925         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
 926
 927         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
 928         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
 929         split_cost argument signed.
 930         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
 931         (ix86_avoid_lea_for_addr): Ditto.
 932
 933         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
 934
 935         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
 936         the address has less than two components.
 937
 938 2012-08-02  Steve Ellcey  <sellcey@mips.com>
 939
 940         Backport from mainline
 941         2012-07-19  Steve Ellcey  <sellcey@mips.com>
 942
 943         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
 944         MIPS16 mode.
 945
 946 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
 947
 948         Backport from mainline
 949         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
 950
 951         PR target/53961
 952         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
 953         negative constant address for TARGET_X32 ...
 954         (ix86_decompose_address): ... here.  Reject constant addresses
 955         that don't satisfy x86_64_immediate_operand predicate.
 956
 957         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
 958
 959         PR target/53961
 960         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
 961         * config/i386/i386.c (ix86_print_operand_address): Ditto.
 962         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
 963         addresses.  Prevent zero extensions of CONST_INT operands.
 964
 965         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
 966
 967         PR target/53961
 968         * config/i386/i386.md (*lea): New insn pattern.
 969         (*lea_1): Remove.
 970         (*lea<mode>_2): Ditto.
 971         (*lea_{3,4,5,6}_zext): Ditto.
 972         * config/i386/predicates.md (lea_address_operand): Do not reject
 973         zero-extended address operands.
 974         * config/i386/constraints.md (j): Remove address constraint.
 975         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
 976         of an address.
 977         (ix86_print_operand_address): Handle SImode subreg of an address.
 978         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
 979
 980 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
 981
 982         Backport from mainline
 983         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
 984
 985         PR target/52530
 986         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
 987         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
 988         to set code to 'q'.
 989         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
 990         (*movdi_internal_rex64): Use %E operand modifier for lea.
 991         (*movsi_internal): Ditto.
 992         (*lea_1): Ditto.
 993         (*lea<mode>_2): Ditto.
 994         (*lea_{3,4,5,6}_zext): Ditto.
 995         (*tls_global_dynamic_32_gnu): Ditto.
 996         (*tls_global_dynamic_64): Ditto.
 997         (*tls_dynamic_gnu2_lea_32): Ditto.
 998         (*tls_dynamic_gnu2_lea_64): Ditto.
 999         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
1000
1001 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
1002
1003         Backport from mainline
1004         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
1005
1006         * config/i386/i386.c (ix86_address_subreg_operand): Reject
1007         stack pointer.
1008         (ix86_print_operand_address): Assert that parts.base and parts.index
1009         are non-NULL after call to simplify_subreg.
1010
1011 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
1012
1013         PR target/33135
1014         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
1015         description.
1016         * config/sh/sh.c (sh_option_override): Do not change
1017         flag_finite_math_only.  Set TARGET_IEEE to complement of
1018         flag_finite_math_only.
1019         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
1020         description of mieee and mno-ieee behavior.
1021
1022 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
1023
1024         PR target/53877
1025         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
1026         (_lzcnt_u64): Ditto.
1027
1028 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
1029
1030         Backport from mainline
1031         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
1032
1033         PR rtl-optimization/52250
1034         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
1035         to put note list into.  Unconditionally call move_bb_info.
1036         (move_bb_info): Do not assert the blocks being in the same region,
1037         just drop the note list if they are not.
1038
1039 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
1040
1041         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
1042
1043 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
1044
1045         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
1046         defining statement is a SSA name that occurs in abnormal PHIs.
1047
1048 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
1049
1050         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
1051         conversions.
1052
1053 2012-07-19  Richard Guenther  <rguenther@suse.de>
1054             Eric Botcazou  <ebotcazou@adacore.com>
1055
1056         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
1057         about transition from invariant to known bits.
1058         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
1059
1060 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
1061
1062         PR middle-end/54017
1063         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
1064         (cleanup_tree_cfg_bb): Don't call it.
1065         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
1066         handling.
1067
1068 2012-07-19  Christian Bruel  <christian.bruel@st.com>
1069
1070         PR target/54029
1071         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
1072
1073 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
1074
1075         * config.gcc (v850-*-rtems*): New target.
1076         * config/v850/rtems.h: New.
1077         * config/v850/t-rtems: New.
1078
1079 2012-07-18  Nick Clifton  <nickc@redhat.com>
1080
1081         * doc/invoke.texi (ARM Options): Document -munaligned-access.
1082
1083 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
1084
1085         PR target/53961
1086
1087         Backport from mainline
1088         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1089
1090         PR target/53110
1091         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
1092         instead expand it as zero extension.
1093
1094 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
1095
1096         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
1097         QImode and HImode splitters.  Use ix86_comparison_operator.
1098         Explicitly match FLAGS_REG.
1099         (DFmode cmove splitter): Explicitly match FLAGS_REG.
1100
1101 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
1102             Steven Bosscher  <steven@gcc.gnu.org>
1103             Bernd Schmidt  <bernds@codesourcery.com>
1104
1105         PR rtl-optimization/53908
1106         * df-problems.c (can_move_insns_across): When doing
1107         memory-reference book-keeping, handle call insns.
1108
1109 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
1110
1111         Backport from mainline
1112         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
1113
1114         PR target/53811
1115         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
1116         sibcall_insn_operand.  Move it to a temporary register if not.
1117
1118         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
1119
1120         PR target/53853
1121         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
1122         emit PIC sequence for fnaddr symbol reference in advance.
1123
1124 2012-07-09  Jason Merrill  <jason@redhat.com>
1125
1126         PR c++/53882
1127         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1128         (type_hash_eq): Likewise.
1129
1130         PR c++/53826
1131         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1132
1133 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
1134
1135         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1136         due to negative shift amount.
1137
1138 2012-07-06  Kai Tietz  <ktietz@redhat.com>
1139
1140         Backport from mainline.
1141         PR bootstrap/52947
1142         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1143         as "/mingw/include".
1144
1145 2012-07-06  Nick Clifton  <nickc@redhat.com>
1146
1147         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1148         default_encode_section_info.
1149
1150 2012-07-06  Richard Guenther  <rguenther@suse.de>
1151
1152         Backport from mainline
1153         2012-03-30  Richard Guenther  <rguenther@suse.de>
1154
1155         PR middle-end/52786
1156         * double-int.c (rshift_double): Remove not needed cast.
1157
1158         2012-03-28  Richard Guenther  <rguenther@suse.de>
1159
1160         PR middle-end/50708
1161         * double-int.h (rshift_double): Remove.
1162         * double-int.c (lshift_double): Use absu_hwi to make count
1163         positive.
1164         (rshift_double): Make static, take unsigned count argument,
1165         remove handling of negative count argument.
1166         (double_int_rshift): Dispatch to lshift_double.
1167
1168 2012-07-06  Richard Guenther  <rguenther@suse.de>
1169
1170         Backport from mainline
1171         2012-06-18  Richard Guenther  <rguenther@suse.de>
1172
1173         PR tree-optimization/53693
1174         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1175         Reject operands with more than one use.
1176
1177 2012-07-06  Richard Guenther  <rguenther@suse.de>
1178
1179         Backport from mainline
1180         2012-04-11  Richard Guenther  <rguenther@suse.de>
1181
1182         PR middle-end/52621
1183         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1184         consider loop nesting.
1185         (evolution_function_is_univariate_p): Properly check the remainder
1186         for chrecs.
1187
1188 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
1189
1190         Backport from mainline
1191         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
1192
1193         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1194         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1195         (adjacent_mem_locations): Move some code to and call...
1196         (get_memref_parts): ...new function.
1197         (mem_locations_overlap): New function.
1198         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1199         (is_mem_ref): Rename to...
1200         (find_mem_ref): ...this. Return MEM rtx.
1201         (get_store_dest): Remove function.
1202         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1203         new parameter and adjust calls.
1204         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1205         mem refs overlap for true_store_to_load_dep_costly.
1206         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1207         passed to adjacent_mem_locations.
1208         (is_costly_group): Walk resolved dependency list.
1209         (force_new_group): Emit group ending nop for Power6/Power7.
1210         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1211         (group_ending_nop): New define_insn.
1212
1213 2012-07-04  Richard Guenther  <rguenther@suse.de>
1214
1215         PR middle-end/53433
1216         * gimple-fold.c (get_base_constructor): Do not return an
1217         error_mark_node DECL_INITIAL.
1218
1219 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
1220
1221         Backport from mainline
1222         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
1223
1224         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
1225         code model string in the error message.
1226
1227 2012-07-04  Tristan Gingold  <gingold@adacore.com>
1228
1229         Backport from mainline.
1230         2012-06-25  Tristan Gingold  <gingold@adacore.com>
1231
1232         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1233         (seh_cfa_adjust_cfa): ... that function.
1234         (seh_emit_stackalloc): Do not emit out of range values.
1235         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1236         UNSPEC_DEF_CFA constants.
1237         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1238         * config/i386/i386.c (ix86_frame_pointer_required): Required
1239         for very large frames on SEH target.
1240         (ix86_compute_frame_layout): Save area is before frame pointer
1241         on SEH target.  Handle very large frames.
1242         (ix86_expand_prologue): Likewise.
1243
1244 2012-07-04  Richard Guenther  <rguenther@suse.de>
1245
1246         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1247         as in free_lang_data_in_type.
1248
1249 2012-07-02  Martin Jambor  <mjambor@suse.cz>
1250
1251         Backport from mainline.
1252         2012-07-02  Martin Jambor  <mjambor@suse.cz>
1253
1254         PR middle-end/38474
1255         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1256         dynamic type change check.
1257
1258 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
1259
1260         * tree-eh.c (lower_try_finally_switch): Really put the location of the
1261         last statement of the finally block onto the switch.
1262
1263 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1264
1265         * configure: Regenerate.
1266
1267         Backport from mainline.
1268         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1269
1270         * config.gcc (target_type_format_char): New. Document it. Set it for
1271         arm*-*-* .
1272         * configure.ac (gnu_unique_option): Use target_type_format_char
1273         in test.  Comment rationale.
1274
1275 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1276
1277         Backport from mainline.
1278         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1279
1280         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1281
1282 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
1283
1284         Backport from 2012-06-28 mainline r189049
1285
1286         PR 53595
1287         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1288         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1289         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1290         avr_hard_regno_call_part_clobbered.
1291
1292 2012-06-28  Richard Guenther  <rguenther@suse.de>
1293
1294         PR middle-end/53790
1295         * expr.c (expand_expr_real_1): Verify if the type is complete
1296         before inspecting its size.
1297
1298 2012-06-27  Nick Clifton  <nickc@redhat.com>
1299
1300         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1301         input operand.
1302
1303 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
1304
1305         PR debug/53682
1306         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1307
1308 2012-06-26  Nick Clifton  <nickc@redhat.com>
1309
1310         * config/rx/rx.md (simple_return): Use the simple_return rtx.
1311
1312 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1313
1314         PR target/53759
1315         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1316         of x x x in the vmovlps load alternative.
1317
1318 2012-06-22  Richard Guenther  <rguenther@suse.de>
1319
1320         * gcov-iov.c: Include bconfig.h and system.h.
1321
1322 2012-06-22  Richard Guenther  <rguenther@suse.de>
1323
1324         PR gcov-profile/53744
1325         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1326
1327 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1328
1329         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1330         DECL_IGNORED_P non-reg vars even if they are used.
1331
1332 2012-06-19  Jason Merrill  <jason@redhat.com>
1333
1334         PR c++/52637
1335         * dwarf2out.c (modified_type_die): Use scope_die_for.
1336         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1337         (uses_local_type_r, uses_local_type): New.
1338         (scope_die_for): Keep a type that uses a local type in local scope.
1339         Use get_context_die for namespace and type scope.
1340
1341 2012-06-19  Richard Guenther  <rguenther@suse.de>
1342
1343         PR middle-end/53470
1344         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1345         replace it with the first non-BLOCK context.
1346
1347 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
1348
1349         PR rtl-optimization/53700
1350
1351         Backport from mainline
1352         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
1353
1354         * ira-color.c (setup_left_conflict_sizes_p): Process all
1355         conflicting objects.
1356
1357 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1358
1359         Backport from mainline
1360         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
1361
1362         PR target/52908
1363         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1364         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1365         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1366         instead of xop_mulv2div2di3_low.
1367         (xop_p<macs>dql): Fix vec_select selector.
1368         (xop_p<macs>dqh): Ditto.
1369         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1370         (xop_mulv2div2di3_high): Ditto.
1371
1372 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1373
1374         Backport from mainline:
1375         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1376
1377         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1378
1379 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1380
1381         Backport from mainline:
1382         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1383
1384         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1385         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1386         MAX_PCREL17F_OFFSET instead of fixed offset.
1387         (pa_attr_length_call): Likewise.
1388         (pa_attr_length_indirect_call): Likewise.
1389
1390 2012-06-15  Walter Lee  <walt@tilera.com>
1391
1392         Backport from mainline:
1393         2012-06-15  Walter Lee  <walt@tilera.com>
1394
1395         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1396
1397         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1398
1399         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1400
1401 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1402
1403         Backport from mainline:
1404
1405         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1406         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1407         * gimple.h (block_in_transaction): Check for flag_tm.
1408
1409 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1410
1411         PR tree-optimization/52558
1412
1413         Backport from mainline:
1414         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1415         * gimple.h (gimple_set_in_transaction): Remove.
1416         (gimple_in_transaction): Look in BB instead.
1417         (gimple_statement_base): Remove in_transaction field.
1418         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1419         * trans-mem.c (compute_transaction_bits): Place transaction bit
1420         information into basic blocks.
1421
1422         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1423
1424         PR tree-optimization/52558
1425         * cfg.c (alloc_aux_for_edge): Fix comment.
1426         (alloc_aux_for_edge): Remove static.
1427         * basic-block.h (alloc_aux_for_edge): Protoize.
1428         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1429         (execute_sm_if_changed_flag): New.
1430         (execute_sm_if_changed_flag_set): New.
1431         (execute_sm): Do not generate data races unless requested.
1432         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1433         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1434         * gimple.h (block_in_transaction): New.
1435         (gimple_in_transaction): Use block_in_transaction.
1436
1437 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1438
1439         Backported from mainline
1440         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1441
1442         PR rtl-optimization/53589
1443         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1444         discovery even when e->dest != target.  If any LABEL_REF points
1445         to e->dest label, redirect it to target's label.
1446
1447         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1448
1449         PR middle-end/53580
1450         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1451         returns false, replace stmt with GIMPLE_NOP.
1452         (check_omp_nesting_restrictions): Instead of issuing warnings,
1453         issue errors and return false if any errors were reported.
1454
1455 2012-06-14  Richard Guenther  <rguenther@suse.de>
1456
1457         * BASE-VER: Set to 4.7.2.
1458         * DEV-PHASE: Set to prerelease.
1459
1460 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1461
1462         PR target/53621
1463         * config/sh/sh.c (sh_option_override): Don't force
1464          flag_omit_frame_pointer and maccumulate_outgoing_args.
1465         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1466
1467 2012-06-14  Release Manager
1468
1469         * GCC 4.7.1 released.
1470
1471 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1472
1473         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1474
1475 2012-06-13  Richard Henderson  <rth@redhat.com>
1476
1477         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1478         iterator instead of INT.
1479
1480 2012-06-08  Richard Henderson  <rth@redhat.com>
1481
1482         PR c++/53602
1483         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1484         note to a clobber insn when no other insn is available.
1485
1486 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1487
1488         PR c++/53524
1489         * doc/invoke.texi (Wenum-compare): Update documentation.
1490
1491 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1492
1493         PR target/53559
1494         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1495         operands.
1496         (altivec_stvlxl): Ditto.
1497         (altivec_stvrx): Ditto.
1498         (altivec_stvrxl): Ditto.
1499
1500 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1501
1502         PR middle-end/47530
1503         * trans-mem.c (expand_block_edges): Do not skip the first
1504         statement when resetting the BB.
1505
1506 2012-06-04  Richard Guenther  <rguenther@suse.de>
1507
1508         PR middle-end/53471
1509         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1510         create new assembler names.
1511
1512 2012-06-04  Richard Guenther  <rguenther@suse.de>
1513
1514         Backport from mainline
1515         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1516
1517         PR middle-end/52979
1518         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1519         larger than maxbits.  Don't compute maxbits modulo align.
1520         Also check that unit bytes long store at bitpos / unit * unit
1521         doesn't affect bits beyond bitregion_end.
1522         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1523         would not fit into bitregion_start ... bitregion_end + 1 bit
1524         region.
1525         (store_split_bit_field): Decrease unit close to end of bitregion_end
1526         if access is restricted in order to avoid mutual recursion.
1527
1528 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1529
1530         Backport from 2012-06-04 mainline r188172
1531
1532         PR target/46261
1533         * config/avr/avr-stdint.h: New file.
1534         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1535         newlib-stdint.h
1536
1537 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1538
1539         PR tree-optimization/53550
1540         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1541         is POINTER_TYPE_P, use sizetype as step type instead of type.
1542
1543 2012-06-04  Richard Guenther  <rguenther@suse.de>
1544             Eric Botcazou  <ebotcazou@adacore.com>
1545
1546         Backport from mainline
1547         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1548
1549         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1550         Change type of BITOFFSET to signed.  Make sure the lower bound of
1551         the computed range is non-negative by adjusting OFFSET and BITPOS.
1552         (expand_assignment): Adjust call to get_bit_range.
1553
1554         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1555
1556         * expr.c (get_bit_range): Return the null range if the enclosing record
1557         is part of a larger bit field.
1558
1559         2012-03-20  Richard Guenther  <rguenther@suse.de>
1560
1561         * stor-layout.c (finish_bitfield_representative): Fallback
1562         to conservative maximum size if the padding up to the next
1563         field cannot be computed as a constant.
1564         (finish_bitfield_layout): If we cannot compute the distance
1565         between the start of the bitfield representative and the
1566         bitfield member start a new representative.
1567         * expr.c (get_bit_range): The distance between the start of
1568         the bitfield representative and the bitfield member is zero
1569         if the field offsets are not constants.
1570
1571         2012-03-16  Richard Guenther  <rguenther@suse.de>
1572
1573         * stor-layout.c (finish_bitfield_representative): Fall back
1574         to the conservative maximum size if we cannot compute the
1575         size of the tail padding.
1576
1577         2012-03-14  Richard Guenther  <rguenther@suse.de>
1578
1579         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1580         * stor-layout.c (start_bitfield_representative): New function.
1581         (finish_bitfield_representative): Likewise.
1582         (finish_bitfield_layout): Likewise.
1583         (finish_record_layout): Call finish_bitfield_layout.
1584         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1585         for QUAL_UNION_TYPE fields.
1586         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1587         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1588         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1589
1590         PR middle-end/52080
1591         PR middle-end/52097
1592         PR middle-end/48124
1593         * expr.c (get_bit_range): Unconditionally extract bitrange
1594         from DECL_BIT_FIELD_REPRESENTATIVE.
1595         (expand_assignment): Adjust call to get_bit_range.
1596
1597 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1598
1599         PR middle-end/53501
1600         * fold-const.c (fold_binary_loc): Refine previous change.
1601
1602 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1603
1604         Backport from mainline
1605         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1606
1607         PR target/52667
1608         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1609         avoid going above orig insn.  Update comments.
1610
1611 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1612
1613         Backport from mainline
1614         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1615
1616         PR target/52642
1617         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1618         prologue for unwinder and profiler.
1619
1620 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1621
1622         Backport from mainline
1623         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1624
1625         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1626
1627 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1628
1629         Backport from mainline
1630         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1631
1632         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1633         DBX_REGISTER_NUMBER.
1634
1635 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1636
1637         Backport from mainline
1638         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1639
1640         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1641         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1642         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1643         shiftcosts.
1644
1645 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1646
1647         * config/avr/avr.opt (-msp8): Document it.
1648         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1649
1650 2012-05-31  Richard Guenther  <rguenther@suse.de>
1651
1652         PR middle-end/48493
1653         * expr.c (expand_assignment): Do not use movmisalign on
1654         non-memory.
1655
1656 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1657
1658         PR target/52999
1659         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1660         (pa_section_type_flags): New.
1661         (pa_legitimate_constant_p): Revert previous change.
1662
1663 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1664
1665         Backport from mainline
1666         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1667
1668         PR middle-end/53008
1669         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1670         accessed indirectly.
1671         (ipa_tm_create_version): Same.
1672
1673 2012-05-30  Jason Merrill  <jason@redhat.com>
1674
1675         PR c++/53220
1676         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1677         about array compound literals.
1678
1679 2012-05-30  Richard Guenther  <rguenther@suse.de>
1680
1681         PR middle-end/53501
1682         * fold-const.c (fold_binary_loc): Make sure to call
1683         fold_plusminus_mult_expr with the original sign of operands.
1684
1685 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1686
1687         * explow.c (probe_stack_range): Restore simple control flow and stop
1688         again when the probe cannot be generated if HAVE_check_stack.
1689
1690 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1691
1692         PR rtl-optimization/53519
1693         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1694         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1695
1696 2012-05-29  Richard Guenther  <rguenther@suse.de>
1697
1698         PR tree-optimization/53516
1699         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1700         bitfield accesses.
1701         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1702
1703 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1704
1705         Backport from mainline
1706         2012-05-28  Richard Guenther  <rguenther@suse.de>
1707
1708         PR tree-optimization/53438
1709         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1710
1711 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1712
1713         Backport from mainline
1714         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1715
1716         PR rtl-optimization/52528
1717         * combine.c (can_combine_p): Add setting of subst_low_luid
1718         before call to expand_field_assignment().
1719
1720 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1721
1722         Backport from mainline
1723         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1724
1725         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1726
1727 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1728
1729         PR lto/52178
1730         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1731         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1732
1733 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1734
1735         PR target/53435
1736         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1737         (ix86_expand_vec_perm): Use int mode instead of float.
1738
1739 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1740
1741         PR ada/52362
1742         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1743         gnu_ld variables to yes.
1744         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1745         (HAVE_GNU_AS): Likewise.
1746         * config.in: Regenerate.
1747         * configure: Likewise.
1748
1749 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1750
1751         Backport from mainline
1752         2012-03-12  Richard Guenther  <rguenther@suse.de>
1753         * config/arm/arm.c (neon_dereference_pointer): Do not call
1754         covert during RTL expansion.
1755
1756 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1757
1758         Backport from mainline
1759         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1760
1761         PR target/53385
1762         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1763         relied on signed overflow behavior.
1764
1765 2012-05-24  Richard Guenther  <rguenther@suse.de>
1766
1767         PR middle-end/53460
1768         * tree-profile.c (tree_profiling): Cleanup the CFG if
1769         execute_fixup_cfg requests it.
1770
1771 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1772
1773         PR tree-optimization/53465
1774         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1775         vr0 into *vr, then vrp_meet that.
1776         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1777         have any equivalences.
1778         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1779         first time.
1780
1781 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1782
1783         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1784         size handling.
1785         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1786         (iterative_hash_gimple_type): Adjust comment.
1787         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1788         domain for an array type instead of the domain type itself.
1789
1790 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1791
1792         Backport from 2012-05-23 mainline r187803
1793
1794         PR target/53448
1795         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1796         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1797         ASM_OUTPUT_ALIGN.
1798
1799 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1800
1801         Backport from 2012-05-03 mainline r187075
1802
1803         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1804         has_fma4 for AMD processors with both fma3 and fma4 support.
1805
1806 2012-05-22  Richard Guenther  <rguenther@suse.de>
1807
1808         PR tree-optimization/53408
1809         * tree-vect-loop.c (vectorizable_induction): Properly check
1810         the restriction that we cannot handle induction results from
1811         the inner loop outside of the outer loop.
1812
1813 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1814
1815         PR tree-optimization/53436
1816         * omp-low.c (omp_build_component_ref): New function.
1817         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1818
1819         PR tree-optimization/53366
1820         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1821         tests if complex_numbers == 2, but there are non-complex number loads
1822         too.
1823
1824         PR tree-optimization/53409
1825         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1826         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1827
1828         PR tree-optimization/53410
1829         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1830         instead of build_int_cst (type, 0) where vector types might be
1831         involved.
1832
1833 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1834
1835         PR c/53418
1836         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1837         from folded operands before wrapping another around the
1838         conditional expression.
1839
1840 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1841             Patrick Marlier  <patrick.marlier@gmail.com>
1842
1843         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1844         indirect calls.
1845
1846 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1847
1848         Backport from mainline
1849         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1850
1851         PR target/53416
1852         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1853         (UNSPECV_RDRAND): This.
1854         (rdrand<mode>_1): Updated.
1855
1856 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858         Backport from mainline
1859         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1860
1861         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1862         RDRND, F16C and FSGSBASE.
1863
1864 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1865
1866         Backport from mainline
1867         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1868
1869         * tree-ssa-pre.c (can_value_number_call): Delete.
1870         (compute_avail): Skip all statements with side effects.
1871         <GIMPLE_CALL>: Skip calls to internal functions.
1872
1873 2012-05-18  David S. Miller  <davem@davemloft.net>
1874
1875         Backport r185385 from mainline
1876         2012-03-14  Richard Guenther  <rguenther@suse.de>
1877
1878         PR middle-end/52584
1879         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1880         element type instead of mode, use build_vector_type_for_mode
1881         instead of the langhook, build a vector of proper signedness.
1882         (expand_vector_operations_1): Adjust.
1883
1884 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1885
1886         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1887         $(libsubdir) as libexecsubdir.
1888
1889 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1890
1891         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1892         GIMPLE_ASSIGN.
1893
1894 2012-05-16  David S. Miller  <davem@davemloft.net>
1895
1896         * jump.c (delete_related_insns): If we remove a CALL, make sure
1897         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1898
1899 2012-05-16  Richard Henderson  <rth@redhat.com>
1900
1901         PR debug/52727
1902         * combine-stack-adj.c (prev_active_insn_bb): New.
1903         (next_active_insn_bb): New.
1904         (force_move_args_size_note): New.
1905         (combine_stack_adjustments_for_block): Use it.
1906
1907 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1908
1909         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1910         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1911         Add comments and improve stamp preservation across the whole sequence.
1912         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1913
1914 2012-05-16  Richard Guenther  <rguenther@suse.de>
1915
1916         PR tree-optimization/53364
1917         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1918         detect a view-conversion of the decl.
1919
1920 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1921
1922         PR target/53358
1923         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1924         that operands[2] is either immediate, or q_regs_operand.
1925
1926 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1927
1928         Backport r187139 from mainline.
1929         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1930
1931         PR rtl-optimization/52804
1932         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1933         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1934         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1935         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1936         RELOAD_FOR_OUTADDR_ADDRESS.
1937
1938 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1939
1940         PR target/46098
1941         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1942         generate target register for "load" class builtins.
1943
1944         Revert:
1945         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1946
1947         PR target/46098
1948         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1949         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1950         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1951         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1952         (<sse>_movu<ssemodesuffix>): New expander.
1953         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1954         (avx_movdqu<avxmodesuffix>): New expander.
1955         (*sse2_movdqu): Rename from sse2_movdqu.
1956         (sse2_movdqu): New expander.
1957
1958 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1959
1960         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1961         lineno 1 the same as lineno 0 before first start file directive.
1962         (optimize_macinfo_range): Likewise.
1963
1964         * dwarf2out.c (have_macinfo): Define.
1965         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1966         attribute, don't force empty compilation unit and don't emit any
1967         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1968
1969 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1970
1971         Backport from mainline
1972         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1973
1974         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1975         ORDERED and UNORDERED conditions.
1976
1977 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1978
1979         * function.c (requires_stack_frame_p): If the function can throw
1980         non-call exceptions, return true if the insn can throw internally.
1981
1982 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1983
1984         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1985         DECL_ORIGINAL_TYPE if it is present.
1986
1987 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1988
1989         Backport from 2012-05-12 mainline r187342.
1990
1991         PR target/53256
1992         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1993         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1994         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1995         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1996         (expand_prologue): Move initialization of cfun->machine->is_naked,
1997         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1998         (avr_set_current_function): ...this new static function.
1999         (TARGET_SET_CURRENT_FUNCTION): New define.
2000         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
2001         checking attributes of current_function_decl.
2002         (avr_regs_to_save): Ditto.
2003         (signal_function_p): Rename to avr_signal_function_p.
2004         (interrupt_function_p): Rename to avr_interrupt_function_p.
2005
2006         * doc/extend.texi (Function Attributes): Better explanation of
2007         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
2008         alphabetical order.
2009
2010 2012-05-09  Matthias Klose  <doko@ubuntu.com>
2011
2012         * gcc-ar.c (main): Don't check for execute bits for the plugin.
2013
2014 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
2015
2016         PR target/53272
2017         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
2018         when a constant source operand matches an "I" constraint, the "no
2019         CC0 change" applies to a register-destination only, not a
2020         strict_low_part-destination.
2021
2022 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2023
2024         Backport from mainline:
2025         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2026
2027         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
2028
2029 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR tree-optimization/53239
2032         * tree-vrp.c (get_value_range): Set VR of
2033         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
2034         to nonnull.
2035
2036 2012-05-07  Richard Guenther  <rguenther@suse.de>
2037
2038         PR tree-optimization/53195
2039         * tree-inline.c (setup_one_parameter): Properly add referenced
2040         vars from the parameters new known value.
2041
2042 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2043
2044         Backport from mainline:
2045         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2046
2047         PR target/52999
2048         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2049         in constant pool.
2050
2051 2012-05-04  Ian Lance Taylor  <iant@google.com>
2052
2053         * tree-vect-patterns.c (vect_single_imm_use): Correct return
2054         values from false to NULL.
2055
2056 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
2057
2058         Backport from mainline
2059         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
2060
2061         PR target/53228
2062         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2063         (TARGET_CMOV): Rename from TARGET_CMOVE.
2064         (TARGET_CMOVE): New define.
2065         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2066         Do not set TARGET_CMOVE here.
2067
2068 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2069
2070         Backport from mainline:
2071
2072         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2073
2074         PR tree-optimization/52633
2075         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2076         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2077         (vect_recog_over_widening_pattern): Remove handling of code that was
2078         already detected as over-widening pattern.  Remove special handling
2079         of "unsigned" cases.  Instead, support general case of conversion
2080         of the shift result to another type.
2081
2082         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2083
2084         * tree-vect-patterns.c (vect_single_imm_use): New function.
2085         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2086         (vect_recog_over_widening_pattern): Likewise.
2087         (vect_recog_widen_shift_pattern): Likewise.
2088
2089         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
2090
2091         PR tree-optimization/52870
2092         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2093         presumed pattern statement is within the same loop or basic block.
2094
2095 2012-05-04  Richard Guenther  <rguenther@suse.de>
2096
2097         * common.opt (flto-report): Do not mark as Optimization.
2098
2099 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2100
2101         PR target/48496
2102         * recog.c (constrain_operands): If extra constraints are present, also
2103         accept pseudo-registers with equivalent memory locations during reload.
2104
2105 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2106
2107         Backport from the mainline
2108         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2109
2110         PR target/53199
2111         * config/rs6000/rs6000.md (bswapdi splitters): If
2112         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2113         default) is used, generate an alternate sequence that does not
2114         depend on using indexed addressing.
2115
2116 2012-05-03  David S. Miller  <davem@davemloft.net>
2117
2118         PR target/52684
2119         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2120         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2121         (sparc_emit_float_lib_cmp): Likewise.
2122
2123 2012-05-04  Martin Jambor  <mjambor@suse.cz>
2124
2125         Backport from mainline
2126         2012-05-02  Martin Jambor  <mjambor@suse.cz>
2127
2128         PR lto/52605
2129         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2130         of a variable when the contect is a function.
2131
2132 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
2133
2134         PR plugins/53126
2135         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2136         append program name to it and pass that as first argument
2137         to make_relative_prefix.  Always pass standard_libexec_prefix
2138         as last argument to make_relative_prefix.  If
2139         make_relative_prefix returns NULL, fall back to
2140         standard_libexec_prefix.
2141
2142         PR debug/53174
2143         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2144         removed.
2145
2146         PR target/53187
2147         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2148         mode, return that mode.
2149
2150 2012-05-03  Richard Guenther  <rguenther@suse.de>
2151
2152         PR tree-optimization/53144
2153         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2154         Rename to ...
2155         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
2156         with SSA name values.
2157         (vn_reference_lookup_3): Adjust callers.
2158
2159 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
2160
2161         PR tree-optimization/53163
2162         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2163         return value from compute_all_dependences.
2164
2165         PR rtl-optimization/53160
2166         * ree.c (combine_reaching_defs): Handle the case where cand->insn
2167         has been modified by ree pass already.
2168
2169 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
2170
2171         Backport from mainline
2172         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2173
2174         PR middle-end/53136
2175         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2176         calls to cgraph_node_name in xstrdup.
2177         (ipa_make_edge_direct_to_target): Ditto.
2178         * tree-sra.c (convert_callers_for_node): Ditto.
2179         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2180         * ipa-cp.c (perhaps_add_new_callers): Ditto.
2181         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2182         (cgraph_materialize_all_clones): Ditto.
2183         * ipa-inline.c (report_inline_failed_reason): Ditto.
2184         (want_early_inline_function_p): Ditto.
2185         (edge_badness): Ditto.
2186         (update_edge_key): Ditto.
2187         (flatten_function): Ditto.
2188         (ipa_inline): Ditto.
2189         (inline_always_inline_functions): Ditto.
2190         (early_inline_small_functions): Ditto.
2191
2192 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
2193
2194         Backport from mainline
2195         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
2196
2197         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2198         Introduce emul_name to select the right linker emulation for
2199         powerpc64-*-freebsd*.
2200         * configure: Regenerate.
2201         * config.gcc: Add bits to support powerpc64-*-freebsd*.
2202         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2203         * config/rs6000/freebsd64.h: New file.
2204         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2205         POWERPC_FREEBSD.
2206         (rs6000_savres_strategy): Likewise.
2207         (rs6000_savres_routine_name): Likewise.
2208         (rs6000_elf_file_end): Likewise.
2209         * config/rs6000/t-freebsd64: New file.
2210         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2211         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2212
2213 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2214
2215         Backport from mainline
2216         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
2217
2218         PR target/53138
2219         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2220
2221 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2222
2223         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2224         predicate to discriminate types.
2225
2226 2012-04-27  Richard Guenther  <rguenther@suse.de>
2227
2228         PR c/51527
2229         * convert.c (convert_to_integer): Avoid infinite recursion for
2230         target-defined built-in types.
2231
2232 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
2233
2234         PR target/53120
2235         * config/cris/cris.md ("*andhi_lowpart_v32")
2236         ("*andqi_lowpart_v32"): Change first input-only operand from
2237         a (match_operand ...) to (match_dup 0).  Drop alternatives with
2238         const_int-matching constraints for redundancy.
2239         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
2240         three-operand alternative.
2241
2242 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
2243
2244         Backport from mainline
2245         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
2246
2247         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2248         (*addsi_2_zext): Ditto.
2249         (*add<mode>_3): Ditto.
2250         (*addsi_3_zext): Ditto.
2251         (*add<mode>_5): Ditto.
2252
2253 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
2254
2255         PR c/52880
2256         * c-typeck.c (set_nonincremental_init,
2257         set_nonincremental_init_from_string): Pass true instead of false
2258         as IMPLICIT to add_pending_init.
2259
2260 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
2261
2262         Backport from 2012-04-24 mainline r186768.
2263
2264         PR target/53065
2265         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2266
2267 2012-04-24  Richard Guenther  <rguenther@suse.de>
2268
2269         PR tree-optimization/53085
2270         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2271         stores.
2272
2273 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
2274
2275         PR middle-end/53084
2276         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2277         of MEM_REF.
2278         (output_addressed_constants): Likewise.
2279
2280         PR middle-end/52999
2281         * varasm.c (get_section): Don't ICE for section conflicts with
2282         built-in section kinds.
2283
2284 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
2285
2286         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2287
2288 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
2289
2290         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2291
2292 2012-04-23  Richard Guenther  <rguenther@suse.de>
2293
2294         PR c/53060
2295         * c-typeck.c (build_binary_op): Fix typo.
2296
2297 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2298
2299         PR tree-optimizations/52891
2300         * tree-vect-patterns.c (adjust_bool_pattern): Use
2301         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2302         but with non-standard precision.
2303
2304 2012-04-22  Ian Lance Taylor  <iant@google.com>
2305
2306         * godump.c (go_output_typedef): Dump size of structs.
2307
2308 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
2309
2310         Backport from mainline:
2311
2312         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2313         hints for 'A' operand types.
2314
2315 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2316
2317         Backport from 2012-04-19 mainline r186588.
2318
2319         PR target/53033
2320         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2321         the case *(X+const).
2322
2323 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2324
2325         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2326
2327 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
2328
2329         PR target/53020
2330         * config/i386/sync.md (atomic_<code><mode>): Rename to
2331         atomic_<logic><mode>.
2332
2333 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2334
2335         Backport from mainline
2336         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
2337
2338         PR target/52932
2339         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2340         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
2341         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2342         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2343         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2344         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2345         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2346         gen_avx2_permvarv8sf.
2347
2348 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2349
2350         Backported from mainline
2351
2352         2012-04-13  Martin Jambor  <mjambor@suse.cz>
2353         PR middle-end/52939
2354
2355         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2356         fold_ctor_reference returns a zero constant.
2357
2358 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2359
2360         Backported from mainline
2361         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2362
2363         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2364         and __ILP32__ for x32.
2365
2366 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2367
2368         Backport from mainline r186418.
2369
2370         2012-04-13  Tom de Vries  <tom@codesourcery.com>
2371
2372         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2373         parameters vuse and vuse_escaped.
2374         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2375         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2376         vuse1 != vuse2.
2377
2378 2012-04-13  Richard Guenther  <rguenther@suse.de>
2379
2380         PR tree-optimization/52969
2381         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2382         the condition for the COND_EXPR and handle predicate negation
2383         by swapping the COND_EXPR arms.
2384
2385 2012-04-13  Richard Guenther  <rguenther@suse.de>
2386
2387         PR c/52862
2388         * convert.c (convert_to_pointer): Remove special-casing of
2389         zero.
2390
2391 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2392
2393         Backport from mainline
2394         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2395
2396         PR target/52775
2397         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2398         the list of options to enable the FCFID instruction.
2399         (TARGET_EXTRA_BUILTINS): Adjust comment.
2400
2401 2012-04-12  Richard Guenther  <rguenther@suse.de>
2402
2403         PR tree-optimization/52943
2404         * tree-chrec.h (chrec_is_positive): Remove.
2405         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2406         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2407         Return false for a constant zero instead of negative.
2408         (analyze_siv_subscript_cst_affine): Handle zero difference
2409         in the initial condition explicitely.
2410
2411 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2412
2413         PR middle-end/52894
2414         * varasm.c (process_pending_assemble_externals): Set
2415         pending_assemble_externals_processed true.
2416         (assemble_external): Call assemble_external_real if the pending
2417         assemble externals have been processed.
2418
2419 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2420
2421         PR target/52717
2422         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2423         the DECL generated for the special GOT helper.
2424
2425 2012-04-06  Walter Lee  <walt@tilera.com>
2426
2427         Backport from mainline
2428         2012-03-07  Walter Lee  <walt@tilera.com>
2429
2430         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2431         REG_CFA_* notes for the stack pointer.
2432         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2433         EH_RETURN_STACKADJ_RTX.
2434         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2435         generate REG_CFA_* notes for the stack pointer.
2436         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2437         by EH_RETURN_STACKADJ_RTX.
2438
2439 2012-04-06  Matt Turner  <mattst88@gmail.com>
2440
2441         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2442
2443 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2444
2445         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2446         of the destination isn't also a FP_REGS register.
2447
2448 2012-04-03  Richard Guenther  <rguenther@suse.de>
2449
2450         Backport from mainline
2451         2012-03-02  Richard Guenther  <rguenther@suse.de>
2452
2453         PR tree-optimization/52406
2454         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2455         (struct indices): Add unconstrained_base member.
2456         (struct dr_alias): Remove unused vops member.
2457         (DR_UNCONSTRAINED_BASE): New define.
2458         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2459         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2460         be an artificial access that covers the whole indexed object,
2461         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2462         plain decl base-objects to their MEM_REF variant.
2463         (dr_may_alias_p): When the base-object of either data reference
2464         has unknown size use only points-to information.
2465         (compute_affine_dependence): Make dumps easier to read and
2466         more verbose.
2467         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2468         DR_REF when looking for packed references.
2469         (vect_supportable_dr_alignment): Likewise.
2470
2471 2012-04-03  Richard Guenther  <rguenther@suse.de>
2472
2473         Backport from mainline
2474         2012-03-15  Richard Guenther  <rguenther@suse.de>
2475
2476         PR middle-end/52580
2477         * tree-data-ref.c (subscript_dependence_tester_1): Check
2478         all dimensions for non-conflicting access functions.
2479
2480 2012-04-03  Richard Guenther  <rguenther@suse.de>
2481
2482         Backport from mainline
2483         2012-03-06  Richard Guenther  <rguenther@suse.de>
2484
2485         PR middle-end/52493
2486         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2487
2488         2012-03-23  Richard Guenther  <rguenther@suse.de>
2489
2490         PR tree-optimization/52678
2491         * tree-vectorizer.h (struct _stmt_vec_info): Add
2492         loop_phi_evolution_part member.
2493         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2494         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2495         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2496         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2497         Use the cached evolution part and the PHI nodes value from
2498         the loop preheader edge instead of re-analyzing the evolution.
2499
2500         2012-03-26  Richard Guenther  <rguenther@suse.de>
2501
2502         PR tree-optimization/52701
2503         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2504         compute and set the evolution part of PHI nodes.
2505
2506         2012-03-30  Richard Guenther  <rguenther@suse.de>
2507
2508         PR tree-optimization/52754
2509         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2510         propagate arbitrary addresses into really plain dereferences.
2511
2512 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2513
2514         PR tree-optimization/52835
2515         * tree-data-ref.c (build_rdg): Return NULL if
2516         compute_data_dependences_for_loop failed.
2517
2518 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2519
2520         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2521         (stmt_can_make_abnormal_goto): Use it.
2522         (is_ctrl_altering_stmt): Likewise.
2523
2524 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2525
2526         Backported from mainline
2527         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2528
2529         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2530         is a builtin_stack_save in a dominating BB.
2531
2532 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2533
2534         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2535         crossing 128bit lane boundary.
2536
2537 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2538
2539         Backported from mainline
2540         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2541
2542         PR target/52698
2543         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2544         New prototype.
2545         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2546         * config/i386/i386.c: Include reload.h.
2547         (ix86_legitimize_reload_address): New function.
2548
2549 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2550
2551         Backported from mainline
2552         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2553
2554         PR middle-end/52693
2555         * tree-sra.c (sra_modify_assign): Do not call
2556         load_assign_lhs_subreplacements when working with an unscalarizable
2557         region.
2558
2559 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2560
2561         PR middle-end/52691
2562         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2563         __builtin_va_start to __builtin_next_arg if the latter is
2564         builtin_decl_explicit_p rather than when it is not.
2565
2566         PR middle-end/52750
2567         * tree-vect-generic.c (vector_element): Perform multiplication
2568         for pos in bitsizetype type instead of idx type.
2569
2570 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2571
2572         Backport from 2012-03-28 mainline r185910.
2573
2574         PR target/52692
2575         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2576         (avr_builtin_decl): New static function.
2577         (struct avr_builtin_description, avr_bdesc): Move up.
2578         Add GTY marker. Add field fndecl. Remove redundant field id.
2579         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2580         (avr_expand_builtin): Code cleanup because .id is removed.
2581
2582 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2583
2584         PR middle-end/51893
2585         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2586         targets.
2587
2588 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2589
2590         Backport from 2012-03-28 mainline r185907.
2591
2592         PR target/52737
2593         * config.gcc (tm_file): Remove avr/multilib.h.
2594
2595         * doc/invoke.texi (AVR Options): Adjust
2596         documentation of -mtiny-stack.
2597
2598         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2599         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2600         * config/avr/t-avr: Remove generation of multilib.h.
2601         * config/avr/t-multilib: Regenerate.
2602         * config/avr/multilib.h: Remove.
2603         * config/avr/avr.opt (-msp8): New option.
2604         (avr_sp8): New variable.
2605         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2606         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2607         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2608         (avr_device_to_sp8): New prototype.
2609         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2610         (DRIVER_SELF_SPECS): New define.
2611         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2612         __AVR_SP8__, __AVR_HAVE_SPH__.
2613         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2614         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2615         (avr_file_start): Ditto.
2616
2617 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2618
2619         PR target/52736
2620         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2621         instead of 8 in adjust_address.
2622
2623 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2624
2625         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2626         of a unit before computing the offset in units.
2627
2628 2012-03-27  Richard Guenther  <rguenther@suse.de>
2629
2630         PR middle-end/52720
2631         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2632         explicitely.
2633
2634 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2635
2636         PR target/52610
2637         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2638
2639 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2640
2641         PR middle-end/52640
2642         * varasm.c: Include pointer-set.h.
2643         (pending_assemble_externals_set): New pointer set.
2644         (process_pending_assemble_externals): Destroy the pointer set.
2645         (assemble_external): See if decl is in pending_assemble_externals_set,
2646         and add it to pending_assemble_externals if necessary.
2647         (init_varasm_once): Allocate pending_assemble_externals_set.
2648
2649 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2650
2651         Backported from mainline
2652         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2653
2654         PR target/50310
2655         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2656         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2657         (vector_ltgt<mode>): Likewise.
2658         (vector_ordered<mode>): Likewise.
2659         (vector_unordered<mode>): Likewise.
2660         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2661
2662 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2663
2664         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2665         Make static.
2666
2667 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2668
2669         Backported from mainline
2670         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2671
2672         PR target/48596
2673         PR target/48806
2674         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2675         GENERAL_REGS and FP_REGS for SImode.
2676
2677 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2678
2679         PR middle-end/52547
2680         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2681         on any new_local_var_chain vars declared during recursing on
2682         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2683
2684 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2685
2686         Backport from 2012-03-22 mainline r185692.
2687
2688         PR target/52496
2689         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2690         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2691         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2692         (delay_cycles_1, delay_cycles_2): Ditto.
2693         (delay_cycles_3, delay_cycles_4): Ditto.
2694         (nopv, *nopv): Ditto.
2695         (sleep, *sleep): Ditto.
2696         (wdr, *wdr): Ditto.
2697
2698         Backport from 2012-03-21 mainline r185605.
2699
2700         PR rtl-optimization/52543
2701         PR target/52461
2702         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2703         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2704         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2705         (avr_load_libgcc_p): Restrict to __flash loads.
2706         (avr_out_lpm): Only handle 1-byte loads from __flash.
2707         (avr_load_lpm): New function.
2708         (avr_find_unused_d_reg): Remove.
2709         (avr_out_lpm_no_lpmx): Remove.
2710         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2711         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2712         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2713         (load_<mode>, load_<mode>_clobber): New insns.
2714         (mov<mode>): For multi-byte move from non-generic
2715         16-bit address spaces: Expand to load_<mode> resp.
2716         load_<mode>_clobber.
2717         (load<mode>_libgcc): Remove expander.
2718         (split-lpmx): Remove split.
2719
2720         Backport from 2012-03-13 mainline r185329.
2721
2722         PR target/52488
2723         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2724         offset (size) to a value the insns can deal with.
2725         (expand_epilogue): Ditto.
2726
2727         Backport from 2012-03-12 mainline r185256.
2728
2729         PR target/52499
2730         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2731         type from reg_class_t to enum reg_class.
2732         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2733
2734         Backport from 2012-03-12 mainline r185253.
2735
2736         PR target/52148
2737         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2738         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2739         r184615 from 2012-02-28.
2740
2741         Backport from 2012-03-08 mainline r185105.
2742
2743         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2744         for constants in [-63,63].
2745
2746         Backport from 2012-03-08 mainline r185100.
2747
2748         PR target/52496
2749         * config/avr/avr.c (avr_mem_clobber): New static function.
2750         (avr_expand_delay_cycles): Add memory clobber operand to
2751         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2752         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2753         (enable_interrupt, disable_interrupt): New expander.
2754         (nopv, sleep, wdr): New expanders.
2755         (delay_cycles_1): Add memory clobber.
2756         (delay_cycles_2): Add memory clobber.
2757         (delay_cycles_3): Add memory clobber.
2758         (delay_cycles_4): Add memory clobber.
2759         (cli_sei): New insn from former "enable_interrupt",
2760         "disable_interrupt" with memory clobber.
2761         (*wdt): New insn from former "wdt" with memory clobber.
2762         (*nopv): Similar, but for "nopv".
2763         (*sleep): Similar, but for "sleep".
2764
2765         Backport from 2012-03-07 mainline r185043.
2766
2767         PR target/52484
2768         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2769
2770         Backport from 2012-03-07 mainline r185032.
2771
2772         PR target/52506
2773         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2774         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2775         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2776
2777         Backport from 2012-03-07 mainline r185031.
2778
2779         PR target/52505
2780         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2781         from RAM.
2782         * config/avr/avr.md (xload_8): Adjust insn length.
2783
2784         Backport from 2012-03-07 mainline r185030.
2785
2786         PR target/52461
2787         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2788         if RAMPZ affects reading from RAM.
2789
2790         Backport from 2012-03-05 mainline r184919.
2791
2792         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2793
2794 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2795
2796         Backport from mainline r185259.
2797
2798         PR other/52545
2799         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2800         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2801
2802 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2803
2804         Backported from mainline
2805         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR c/52577
2808         * c-parser.c (c_parser_postfix_expression)
2809         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2810
2811         * config/i386/smmintrin.h: Avoid /* within a comment.
2812         * config/i386/nmmintrin.h: Likewise.
2813
2814 2012-03-22  Richard Guenther  <rguenther@suse.de>
2815
2816         * BASE-VER: Set to 4.7.1.
2817         * DEV-PHASE: Set to prerelease.
2818
2819 2012-03-22  Release Manager
2820
2821         * GCC 4.7.0 released.
2822
2823 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2824
2825         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2826
2827 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2828             Andrew Pinski  <apinski@cavium.com>
2829
2830         PR middle-end/52592
2831         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2832         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2833         calls instead of __builtin_ir{int,ound}*.
2834
2835 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2836
2837         PR c++/52582
2838         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2839         if c_node is NULL.
2840
2841 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2842
2843         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2844         Refer to GCC 4.7 version of c99status.html.
2845
2846 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2847
2848         Backport from mainline
2849         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2850
2851         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2852         redefine to be NULL if the current bit-size is different from the
2853         configured bit-size.
2854
2855         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2856         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2857         set the default tuning.  Add asserts to make sure the cpu and tune
2858         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2859         test whether the index is set, instead of > 0.
2860         (rs6000_file_start): Do not reset the default cpu if the current
2861         bit-size is different from the configured bit-size.
2862
2863 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2864
2865         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2866         binutils reference.
2867         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2868         Update binutils references.
2869         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2870         Update binutils reference.
2871         Update Sun as/GNU ld caveat.
2872         Document binutils largefile requirement for LTO plugin.
2873         Remove reference to alternate libpthread.
2874
2875 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2876
2877         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2878         reference.
2879         (Specific, mips-sgi-irix6): Likewise.
2880
2881 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2882
2883         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2884         * configure: Regenerate.
2885
2886 2012-03-07  Richard Henderson  <rth@redhat.com>
2887
2888         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2889         * config/m68k/sync.md (atomic_test_and_set): Use it.
2890         (atomic_test_and_set_1): Likewise.
2891
2892 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2893
2894         PR target/51417
2895         * Makefile.in: Let install-gcc-ar depend on installdirs,
2896         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2897         Don't double canonicalize if cross-compiling.
2898
2899 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2900
2901         * trans-mem.c: New typedef for tm_region_p.
2902         Define vector types for tm_region_p.
2903         (tm_region_init): Replace region_worklist to a vector called
2904         bb_regions.
2905
2906 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2907
2908         PR middle-end/52463
2909         * trans-mem.c (tm_region_init): Use last_basic_block.
2910
2911 2012-03-05  Richard Henderson  <rth@redhat.com>
2912
2913         PR tree-opt/52242
2914         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2915         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2916         BIGGEST_ALIGNMENT is aligned.
2917
2918 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2919
2920         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2921
2922 2012-03-05  Richard Henderson  <rth@redhat.com>
2923
2924         PR target/52481
2925         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2926         instead of calling negqi2 directly.
2927
2928 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2929
2930         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2931         (INTMAX_TYPE): Use it.
2932         (UINTMAX_TYPE): Likewise.
2933         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2934         (irix6_c_common_override_options): Declare.
2935         (C_COMMON_OVERRIDE_OPTIONS): Define.
2936         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2937         * config/mips/irix6-c.c: New file.
2938         * config/mips/t-irix6 (irix6-c.o): New target.
2939         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2940         cxx_target_objs.
2941
2942 2012-03-02  Richard Henderson  <rth@redhat.com>
2943
2944         * optabs.c (expand_atomic_test_and_set): Honor
2945         atomic_test_and_set_trueval even when atomic_test_and_set
2946         optab is not in use.
2947
2948 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2949
2950         Backport from mainline
2951         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2952
2953         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2954
2955 2012-03-02  Richard Guenther  <rguenther@suse.de>
2956
2957         * DEV-PHASE: Set to prerelease.
2958
2959 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2960
2961         * config.gcc (obsolete): Add all ARM targets using the FPA.
2962         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2963         * doc/install.texi: Avoid references to obsolete ARM ports.
2964
2965 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2966
2967         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2968
2969 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2970             Joern Rennecke  <joern.rennecke@embecosm.com>
2971
2972         * doc/extend.texi: Expand and update information on interrupt
2973         attribute for Epiphany.
2974
2975 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2976
2977         * config/sh/sh-protos.h: Update copyright notice dates.
2978         * config/sh/sh.h: Likewise.
2979         * config/sh/sh.md: Likewise.
2980         * config/sh/constraints.md: Likewise.
2981         * config/sh/predicates.md: Likewise.
2982
2983 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2984
2985         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2986         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2987
2988 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2989
2990         * config/sh/constraints.md: Fix comment typo.
2991
2992 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2993
2994         PR target/52408
2995         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2996         unsigned HOST_WIDE_INT.
2997         (zvdep_imm64): Likewise.
2998         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2999         (vdepi_and): Likewise.
3000         Likewise for unamed 64-bit patterns.
3001         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3002
3003 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
3004
3005         PR debug/52001
3006         PR rtl-optimization/52417
3007         * cselib.c (cselib_any_perm_equivs): New variable.
3008         (cselib_reset_table): Check that it's not set when not
3009         preserving constants.
3010         (cselib_add_permanent_equiv): Set it.
3011         (cselib_have_permanent_equivalences): New.
3012         (cselib_init, cselib_finish): Reset it.
3013         * cselib.h (cselib_have_permanent_equivalences): Declare.
3014         * alias.c (get_addr): Restore earlier behavior when there
3015         aren't permanent equivalences.
3016
3017 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
3018
3019         * config/mn10300/mn10300-modes.def: Fix copyright notice.
3020         * config/v850/v850-modes.def: Fix copyright notice.
3021
3022 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
3023
3024         * doc/extend.texi (AVR Built-in Functions): Document
3025         __builtin_avr_flash_segment.
3026
3027         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3028         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3029         (*split.flash_segment): New insn-and-split.
3030         * config/avr/avr.c (avr_init_builtins): Add local variables:
3031         const_memx_void_node, const_memx_ptr_type_node,
3032         char_ftype_const_memx_ptr.
3033
3034 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
3035
3036         PR tree-optimization/52445
3037         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3038         add ssa_name_ver, offset and size fields and change store field
3039         to bool.
3040         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3041         (add_or_mark_expr): Likewise.  Only consider previous stores
3042         with the same size and offset.
3043         (nt_init_block): Only look at gimple_assign_single_p stmts,
3044         doesn't look at rhs2.
3045
3046 2012-03-01  Richard Guenther  <rguenther@suse.de>
3047
3048         PR middle-end/52443
3049         * tree-cfg.c (verify_gimple_assign_unary): Allow any
3050         conversions from integral types to pointer types.
3051
3052 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
3053
3054         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3055         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3056         unintentionally removed in r184616.
3057
3058 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3059
3060         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3061         3DNow from bdver1.
3062
3063 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3064             Uros Bizjak  <ubizjak@gmail.com>
3065
3066         PR target/52437
3067         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3068         alternatives, add "e" constraint to the new last alternative
3069         and ! to last 3 alternatives.
3070
3071 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
3072
3073         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3074         DW_AT_artificial attributes at the end of the processing.
3075         (gen_array_type_die): Likewise.
3076         (gen_enumeration_type_die): Likewise.
3077         (gen_struct_or_union_type_die): Likewise.
3078         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3079         the parent type.
3080
3081 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3082
3083         PR middle-end/52419
3084         * expr.c (expand_assignment): If doing misaligned store that doesn't
3085         cover all mode bits, perform a RMW cycle.
3086
3087         PR tree-optimization/52429
3088         * tree-parloops.c (separate_decls_in_region_debug): Return early
3089         if var is LABEL_DECL.
3090
3091 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3092
3093         PR tree-optimization/52424
3094         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3095         calling dom_thread_across_edge.
3096
3097 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3098
3099         * config/avr/avr.c: Move definition of TARGET macros to end of file.
3100
3101 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3102
3103         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3104         * config/avr/avr.c (avr_output_bld): Remove unused function.
3105         (avr_out_sbxx_branch): Use "%T" to print bit position.
3106
3107 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3108
3109         * config/avr/avr.md: Untabify.
3110
3111 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3112
3113         * config/avr/avr.md (eqne): New code iterator.
3114         (*dec-and-branchsi): Use it in text peephole's condition.
3115         (*dec-and-branchhi): Ditto.
3116         (*dec-and-branchqi): Ditto.
3117
3118 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3119
3120         PR target/49939
3121         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3122         the device does not have the skip-bug.
3123
3124 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
3125
3126         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3127         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3128         -mpretend-cmove): New.
3129
3130 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3131
3132         PR bootstrap/52397
3133         * df.h (struct df_d): Adjust comment that hard_regs_live_count
3134         doesn't count DEBUG_INSN refs.
3135         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3136         for DEBUG_INSN refs.
3137
3138 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3139
3140         Partially revert:
3141
3142         2012-02-20  Richard Guenther  <rguenther@suse.de>
3143         PR tree-optimization/52298
3144         * tree-vect-stmts.c (vectorizable_load): Properly use
3145         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3146         outer loops.
3147
3148 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
3149
3150         PR middle-end/51752
3151         * gimple.h (gimple_in_transaction): New.
3152         (gimple_set_in_transaction): New.
3153         (struct gimple_statement_base): Add in_transaction field.
3154         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3155         transaction loads.
3156         (tree_ssa_lim_initialize): Compute transaction bits.
3157         * tree.h (compute_transaction_bits): Protoize.
3158         * trans-mem.c (tm_region_init): Use the heap to store BB
3159         auxilliary data.
3160         (compute_transaction_bits): New.
3161
3162 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3163
3164         * gcc.c (display_help): Document --help=common and sort entries
3165         alphabetically.
3166
3167 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3168
3169         * doc/install.texi: Document check-$LANG specific shortcuts
3170
3171 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3172
3173         PR target/51534
3174         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3175         and vcgtu.
3176         * config/arm/arm_neon.h: Regenerate.
3177         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3178         (neon_vcgeu): New insn.
3179         (neon_vcgtu): Likewise.
3180         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3181         (ops): Unsigned comparison intrinsics call a different
3182         builtin.
3183
3184 2012-02-28  Richard Guenther  <rguenther@suse.de>
3185
3186         PR target/52407
3187         * config/i386/i386.c (ix86_expand_vector_set): Fix element
3188         ordering for the VEC_CONCAT for two element vectors for
3189         V2SFmode, V2SImode and V2DImode.
3190
3191 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3192
3193         PR target/49448
3194         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3195         detecting big-endian triplets.
3196
3197 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3198
3199         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3200         mode if there is no type information available.
3201
3202 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
3203
3204         PR tree-optimization/53207
3205         * doc/invoke.texi: Document as experimental and relying on graphite.
3206
3207 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3208
3209         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3210         of initializer to changes from r184614.
3211
3212 2012-02-28  Richard Guenther  <rguenther@suse.de>
3213
3214         PR tree-optimization/52395
3215         * tree-sra.c (build_ref_for_offset): Also look at the base
3216         TYPE_ALIGN when figuring out the alignment of the replacement.
3217
3218 2012-02-28  Richard Guenther  <rguenther@suse.de>
3219
3220         PR tree-optimization/52402
3221         * ipa-prop.c (ipa_modify_call_arguments): Properly use
3222         mis-aligned types when creating the accesses at the call site.
3223
3224 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3225
3226         * config/avr/builtins.def: New file.
3227         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3228         * config/avr/avr.c (enum avr_builtin_id): Use it.
3229         (avr_init_builtins): Use it. And use avr_bdesc.
3230         (bdesc_1arg): Remove.
3231         (bdesc_2arg): Remove.
3232         (bdesc_3arg): Remove.
3233         (struct avr_builtin_description): Add field n_args.
3234         (avr_bdesc): New static variable using builtins.def.
3235         (avr_expand_builtin): Use it.
3236         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3237         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3238         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3239
3240 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3241
3242         PR target/52148
3243         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3244         match only one single hard register with respective hard reg rtx.
3245         (movmemx_<mode>): Ditto.
3246         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3247         insn anatomy of movmem[x]_<mode>.
3248         (avr_out_movmem): Same for printing assembler and operand usage.
3249
3250 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3251
3252         PR target/49868
3253         PR target/52261
3254         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3255         address spaces located outside of device flash.
3256
3257         * config/avr/avr.h (base_arch_s): Remove field n_segments.
3258         (mcu_type_s): Add field n_flash.
3259         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3260         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3261         (AVR_MCU): Add N_FLASH argument.
3262         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3263         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3264         macro __FLASH<n> if that address space makes sense for the device.
3265         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3266         outside of target flash.
3267         (avr_asm_named_section): Ditto.
3268         (avr_asm_select_section): Ditto.
3269         (avr_addr_space_convert): Ditto.
3270         (avr_emit_movmemhi): Ditto.
3271         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3272         address space is outside of device flash.
3273         (avr_insert_attributes): Ditto.
3274         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3275         avr_current_arch->n_segments.
3276
3277 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
3278
3279         PR target/52352
3280         * config/i386/i386.md (*movabs<mode>_1): Enable only for
3281         TARGET_LP64.
3282         (*movabs<mode>_2): Likewise.
3283
3284 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
3285
3286         PR target/52375
3287         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3288         s_register_operand in the test instead of REG_P.  Don't call
3289         gen_reg_rtx if it won't be used.
3290
3291         PR tree-optimization/52376
3292         * ipa-split.c (split_function): Ignore CLOBBER stmts.
3293
3294 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3295
3296         * ifcvt.c (noce_get_condition): Check condition variable is not
3297         small_register_classes_for_mode_p before accepting.
3298
3299 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3300
3301         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3302
3303 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3304
3305         Revert:
3306         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3307         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3308         tuning parameters.
3309         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3310
3311 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3312
3313         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3314
3315 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3316
3317         * config/sh/predicates.md: Remove blank lines.
3318         * config/sh/sh.c: Fix typos in comments.
3319         * config/sh/constraints.md: Likewise.
3320         * config/sh/sh.md: Remove blank lines.
3321         Fix typos in comments.  Use ;; as comment characters.
3322
3323 2012-02-26  Walter Lee  <walt@tilera.com>
3324
3325         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3326         (replace_mov_pcrel_step2): Ditto.
3327
3328 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3329
3330         PR debug/52001
3331         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3332         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3333         and locs that reference values newer than the non-canonical value
3334         at hand.  Return the canonical value as a worst case.
3335         (memrefs_conflict_p): Walk canonical value's locs.
3336
3337         PR debug/52001
3338         * cselib.c (preserve_only_constants): Rename to...
3339         (preserve_constants_and_equivs): ... this.  Split out...
3340         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3341         of other preserved expressions too.
3342         (cselib_reset_table): Adjust.
3343         * var-tracking.c (reverse_op): Use canonical value to build
3344         reverse operation.
3345
3346 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3347
3348         * config/i386/i386.c (ix86_delegitimize_address): Handle
3349         UNSPEC_PCREL plus displacement.
3350
3351 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3352
3353         PR target/52261
3354         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3355         to test for unusedness in st X addressing.
3356
3357 2012-02-24  Richard Guenther  <rguenther@suse.de>
3358
3359         PR middle-end/52361
3360         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3361         (is_gimple_reg_type): Move inline ...
3362         * gimple.h (is_gimple_reg_type): ... here.
3363
3364 2012-02-24  Richard Guenther  <rguenther@suse.de>
3365
3366         PR middle-end/52361
3367         * passes.c (execute_function_todo): When verifying SSA form
3368         verify gimple form first.
3369         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3370
3371 2012-02-24  Richard Guenther  <rguenther@suse.de>
3372
3373         PR middle-end/52355
3374         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3375         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3376
3377 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3378
3379         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3380
3381 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3382
3383         * tree-phinodes.c (make_phi_node): Mark static.
3384         * tree-flow.h (make_phi_node): Remove extern decl.
3385         * doc/gimple.texi (make_phi_node): Remove documentation.
3386
3387 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3388
3389         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3390         * tree-ssa-sccvn.c (print_scc): Ditto.
3391
3392 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3393
3394         * doc/passes.texi (Full redundancy elimination): Fix typo.
3395
3396 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3397
3398         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3399
3400 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3401
3402         PR bootstrap/52287
3403         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3404
3405 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3406
3407         PR c/52290
3408         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3409
3410 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3411
3412         * config/avr/avr.md (code_stdname): Add ior, xor.
3413         (xior): New code iterator.
3414         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3415         (*<code_stdname><mode>qi.byte1-3): Ditto.
3416
3417 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3418
3419         PR tree-optimization/52019
3420         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3421         CLOBBER stmts.
3422
3423 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3424
3425         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3426         HAVE_INITFINI_ARRAY to work around namespace pollution in
3427         certain versions of newlib system headers.
3428         * config.in: Regenerate.
3429         * configure: Regenerate.
3430         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3431         instead of HAVE_INITFINI_ARRAY.
3432
3433 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3434
3435         PR target/52330
3436         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3437         is not offsettable memory reference.
3438
3439 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3440
3441         PR target/18145
3442         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3443         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3444
3445 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3446
3447         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3448         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3449
3450 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3451
3452         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3453         library on Solaris 8 even without TLS support.
3454         * configure: Regenerate.
3455
3456 2012-02-22  Richard Guenther  <rguenther@suse.de>
3457
3458         PR middle-end/52329
3459         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3460         for GIMPLE_DEBUG stmts.
3461
3462 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3463
3464         PR middle-end/51782
3465         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3466         according to the base object.
3467
3468 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3469
3470         PR rtl-optimization/50063
3471         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3472         and 2 (8-bit SP) in operand 2.
3473         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3474         setup to use movhi_sp_r instead of vanilla move to write SP.
3475         Adjust REG_CFA notes to superseed unspec.
3476         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3477         of vanilla move.
3478         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3479         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3480         irq_state 1 (IRQ known to be on) here.
3481
3482 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3483
3484         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3485         WORDS_BIG_ENDIAN.
3486         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3487         assign_hard_reg): Likewise.
3488
3489 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3490
3491         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3492
3493 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3494
3495         * config/avr/avr.md
3496         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3497         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3498
3499 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3500
3501         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3502         prototype from here to...
3503         * config/avr/avr.h: ...here.
3504
3505 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3506
3507         PR target/52294
3508         * thumb2.md (thumb2_shiftsi3_short): Split register and
3509         immediate shifts.  For register shifts tie operands 0 and 1.
3510         (peephole2 for above): Check that register-controlled shifts
3511         have suitably tied operands.
3512
3513 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3514
3515         PR target/52137
3516         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3517         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3518         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3519         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3520         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3521         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3522         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3523         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3524         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3525         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3526         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3527         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3528         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3529         bdver1_ssevector_avx256_unaligned_load,
3530         bdver1_ssevector_sse128_unaligned_load,
3531         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3532         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3533         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3534         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3535         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3536         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3537         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3538         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3539         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3540         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3541         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3542         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3543         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3544         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3545         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3546         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3547         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3548         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3549         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3550         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3551         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3552         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3553         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3554         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3555         bdver1_ssediv_double_load, bdver1_ssediv_double,
3556         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3557         Add "bdver2" attribute.
3558
3559 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3560
3561         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3562         default if possible and not specified otherwise.
3563
3564 2012-02-21  Richard Guenther  <rguenther@suse.de>
3565
3566         PR middle-end/52314
3567         * gimplify.c (create_tmp_from_val): Use the main variant type
3568         for the type of the temporary we create.
3569
3570 2012-02-21  Richard Guenther  <rguenther@suse.de>
3571
3572         PR tree-optimization/52324
3573         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3574         do not gimplify a MEM_REF address operand if it is already
3575         in suitable form.
3576
3577 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3578
3579         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3580         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3581
3582 2012-02-21  Richard Guenther  <rguenther@suse.de>
3583
3584         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3585         nested_in_vect_loop.
3586
3587 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3588
3589         PR tree-optimization/52318
3590         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3591         vdef also to non-pure/const call stmts in the sequence.
3592
3593 2012-02-20  David S. Miller  <davem@davemloft.net>
3594
3595         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3596         don't use the "rd %pc" instruction on v9 for PIC register loads.
3597
3598 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3599
3600         PR middle-end/52141
3601         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3602         in a transaction safe function.
3603
3604 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3605
3606         PR target/52238
3607         * stor-layout.c (place_field): Handle desired_align for
3608         ms-bitfields, too.
3609
3610 2012-02-20  Richard Guenther  <rguenther@suse.de>
3611
3612         PR tree-optimization/52298
3613         * tree-vect-stmts.c (vectorizable_store): Properly use
3614         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3615         outer loops.
3616         (vectorizable_load): Likewise.
3617         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3618         Access DR_STEP after ensuring it is not NULL.
3619
3620 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3621
3622         PR tree-optimization/52286
3623         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3624         optimization use double_int_to_tree instead of build_int_cst_wide,
3625         rewrite to use double_int vars.
3626
3627 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3628
3629         PR target/50166
3630         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3631         Define _start.
3632         Remove -e 0 from $gcc_cv_ld invocation.
3633         Only use __GLIBC_PREREQ if defined.
3634         Enable on Solaris since Solaris 8 patch.
3635         (gcc_SUN_LD_VERSION): New macro.
3636         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3637         gcc_SUN_LD_VERSION for version number format.
3638         * configure: Regenerate.
3639         * varasm.c (get_elf_initfini_array_priority_section): Set
3640         SECTION_NOTYPE for non-default priority.
3641         Use get_section instead of get_unnamed_section to emit
3642         .init_array/.fini_array with default priority.
3643
3644 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3645
3646         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3647         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3648         (mips_start_unique_function, mips_output_mips16_rdhwr)
3649         (mips_code_end): New functions.
3650         (TARGET_ASM_CODE_END): Define.
3651
3652 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3653
3654         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3655         to stubs with non-sibling calls.
3656
3657 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3658
3659         * doc/invoke.texi (-fira-* options): Copy-edit.
3660         (ira-* parameters): Copy-edit.
3661
3662 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3663
3664         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3665         GCC coding conventions.
3666
3667 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3668
3669         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3670         when used as adjectives.
3671
3672 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3673
3674         * doc/invoke.texi: Clean up "that"/"which" confusion.
3675
3676 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3677
3678         * system.h: Poison SMALL_REGISTER_CLASSES
3679         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3680         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3681
3682 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3683
3684         PR tree-optimization/52285
3685         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3686         when deciding if a call is a tail call or tail recursion.
3687
3688 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3689
3690         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3691         interger-constant displacement for UNSPEC_PCREL.
3692
3693 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3694
3695         PR rtl-optimization/52208
3696         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3697         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3698
3699         PR tree-optimization/52255
3700         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3701         loop->header has virtual PHI, but exit_e->dest doesn't, add
3702         virtual PHI to exit_e->dest and adjust all uses after the loop.
3703
3704         PR debug/52260
3705         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3706         children with clone_tree_hash, not after it.
3707
3708 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3709
3710         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3711         extended identifiers.
3712
3713 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3714
3715         PR middle-end/51929
3716         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3717         a same_body_alias, also test whether e->callee isn't a former
3718         or current clone of the decl this is a same body alias of.
3719
3720         PR translation/52264
3721         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3722
3723 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3724
3725         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3726
3727 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3728
3729         PR target/52199
3730         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3731         force_reg instead of copy_to_reg for better optimization.  Force
3732         non-register or memory operands into a register.
3733
3734 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3735
3736         * extend.texi: Reserve upper bits of memory model for future use.
3737
3738 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3739             Anatoly Sokolov <aesok@post.ru>
3740             Eric Weddington <eric.weddington@atmel.com>
3741
3742         PR target/52261
3743         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3744         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3745         Rewrite initializers for .macro.
3746         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3747         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3748         atxmega32d4, atxmega32x1.
3749         avrxmega4: atxmega64a3, atxmega64d3.
3750         avrxmega5: atxmega64a1, atxmega64a1u.
3751         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3752         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3753         avrxmega7: atxmega128a1, atxmega128a1u.
3754         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3755         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3756         (struct base_arch_s): Rename reserved to xmega_p.
3757         Rename reserved2 to have_rampd.
3758         (AVR_XMEGA): New define.
3759         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3760         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3761         * config/avr/predicates.md (io_address_operand): Take into
3762         account SFR offset.
3763         (low_io_address_operand): Ditto.
3764         (high_io_address_operand): Ditto.
3765         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3766         (enabled, movhi_sp_r): Use them.
3767         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3768         cpp_define_formatted to built-in define __AVR_ARCH__.
3769         (__AVR_XMEGA__): New built-in define.
3770         (__AVR_HAVE_RAMPD__): New built-in define.
3771         (__AVR_HAVE_RAMPX__): New built-in define.
3772         (__AVR_HAVE_RAMPY__): New built-in define.
3773         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3774
3775         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3776         (avr_option_override): Initialize them.
3777         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3778         (avr_init_expanders): Initialize them. No more block several calls.
3779         (emit_push_sfr): New static function.
3780         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3781         Handle AVR_XMEGA.
3782         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3783         (avr_print_operand): Print addreeses as symbols for
3784         RAMPX, RAMPY, RAMPD, CCP.
3785         (output_movhi): Handle AVR_XMEGA when writing to SP.
3786         (avr_out_movhi_mr_r_xmega): New static function.
3787         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3788         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3789         __RAMPD__,  __CCP__ as needed.
3790
3791         * config/avr/multilib.h: Regenerate.
3792         * config/avr/t-multilib: Regenerate.
3793         * config/avr/avr-tables.opt: Regenerate.
3794
3795 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3796
3797         PR tree-optimization/50561
3798         * graphite-flattening.c (lst_project_loop): Do not
3799         remove old scattering dimensions after flattening.
3800         (lst_do_flatten): Likewise.
3801
3802 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3803
3804         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3805         __builtin_avr_map8, __builtin_avr_map16.
3806         Document __builtin_avr_insert_bits.
3807
3808         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3809         (insert_bits): New insn.
3810         (adjust_len.map_bits): Rename to insert_bits.
3811         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3812         * avr-protos.h (avr_out_map_bits): Remove.
3813         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3814         * config/avr/constraints.md (Cxf,C0f): New.
3815         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3816         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3817         New built-in define __BUILTIN_AVR_INSERT_BITS.
3818         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3819         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3820         (avr_move_bits): Rewrite.
3821         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3822         functions.
3823         (avr_map_op_t): New typedef.
3824         (avr_map_op): New static variable.
3825         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3826         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3827         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3828         (bdesc_3arg, avr_expand_triop_builtin): New.
3829         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3830         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3831         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3832         (avr_map_equal_p, avr_map_sig_p): Remove.
3833         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3834         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3835         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3836         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3837         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3838         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3839
3840 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3841
3842         * config/c6x/c6x.md (reserve_cycles): New attribute.
3843         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3844         don't reserve functional units after the branch occurs.
3845
3846 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3847
3848         PR middle-end/52142
3849         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3850         functions into non-tm_pure functions.
3851
3852 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3853
3854         PR lto/52178
3855         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3856         (iterative_hash_canonical_type): Likewise.
3857         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3858         the dead edges.
3859
3860 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3861
3862         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3863         sched-group insn, it either remains alone or the entire list is pruned.
3864
3865 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3866
3867         * doc/install.texi (Prerequisites): Fix grammar.
3868         (Configuration): Likewise.
3869
3870 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3871
3872         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3873         MPC as part of GCC before describing configuring with --with-gmp etc.
3874         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3875         sources are present.
3876
3877 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3878
3879         PR debug/51950
3880         * dwarf2out.c (clone_tree_hash): New function.
3881         (copy_decls_walk): Use it instead of clone_tree.
3882
3883 2012-02-14  Richard Guenther  <rguenther@suse.de>
3884
3885         PR tree-optimization/52244
3886         PR tree-optimization/51528
3887         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3888         replacements for integral types.
3889
3890 2012-02-14  Walter Lee  <walt@tilera.com>
3891
3892         * config.gcc: Handle tilegx and tilepro.
3893         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3894         tilegx and tilepro.
3895         Add HAVE_AS_TLS check for tilegx and tilepro.
3896         * configure: Regenerate.
3897         * doc/contrib.texi: Add Mat Hostetter and self.
3898         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3899         Document instruction intrinsics and network accessing intrinsics.
3900         (TILEPro Built-in Functions): New node.  Document instruction
3901         intrinsics and network accessing intrinsics.
3902         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3903         (Specific, tilepro-*-linux*): Likewise.
3904         * doc/invoke.texi (TILE-Gx Options): New section.
3905         (TILEPro Options): New section.
3906         * doc/md.texi (TILE-Gx): New section.
3907         (TILEPro): New section.
3908         * common/config/tilegx/tilegx-common.c: New file.
3909         * common/config/tilepro/tilepro-common.c: New file.
3910         * config/tilegx/constraints.md: New file.
3911         * config/tilegx/linux.h: New file.
3912         * config/tilegx/mul-tables.c: New file.
3913         * config/tilegx/predicates.md: New file.
3914         * config/tilegx/sync.md: New file.
3915         * config/tilegx/t-tilegx: New file.
3916         * config/tilegx/tilegx-builtins.h: New file.
3917         * config/tilegx/tilegx-c.c: New file.
3918         * config/tilegx/tilegx-generic.md: New file.
3919         * config/tilegx/tilegx-modes.def: New file.
3920         * config/tilegx/tilegx-multiply.h: New file.
3921         * config/tilegx/tilegx-protos.h: New file.
3922         * config/tilegx/tilegx.c: New file.
3923         * config/tilegx/tilegx.h: New file.
3924         * config/tilegx/tilegx.md: New file.
3925         * config/tilegx/tilegx.opt: New file.
3926         * config/tilepro/constraints.md: New file.
3927         * config/tilepro/gen-mul-tables.cc: New file.
3928         * config/tilepro/linux.h: New file.
3929         * config/tilepro/mul-tables.c: New file.
3930         * config/tilepro/predicates.md: New file.
3931         * config/tilepro/t-tilepro: New file.
3932         * config/tilepro/tilepro-builtins.h: New file.
3933         * config/tilepro/tilepro-c.c: New file.
3934         * config/tilepro/tilepro-generic.md: New file.
3935         * config/tilepro/tilepro-modes.def: New file.
3936         * config/tilepro/tilepro-multiply.h: New file.
3937         * config/tilepro/tilepro-protos.h: New file.
3938         * config/tilepro/tilepro.c: New file.
3939         * config/tilepro/tilepro.h: New file.
3940         * config/tilepro/tilepro.md: New file.
3941         * config/tilepro/tilepro.opt: New file.
3942
3943 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3944
3945         PR tree-optimization/52210
3946         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3947         vect_model_simple_cost with two entry vect_def_type array instead
3948         of an address of dt.
3949
3950 2012-02-14  Richard Guenther  <rguenther@suse.de>
3951
3952         PR lto/52178
3953         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3954         Do not stream DECL_QUALIFIER.
3955         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3956         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3957         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3958
3959 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3960
3961         PR c/52181
3962         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3963         newdecl.
3964
3965 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3966
3967         PR bootstrap/52172
3968         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3969         * cselib.c (cselib_subst_to_values_from_insn): New function.
3970         * sched-deps.c (add_insn_mem_dependence,
3971         sched_analyze_1, sched_analyze_2): Use it.
3972
3973 2012-02-13  Jan Hubicka  <jh@suse.cz>
3974
3975         PR middle-end/52214
3976         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3977
3978 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3979
3980         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3981         (GTM_SELF_SPECS): Define if not already defined.
3982         (driver_self_specs): Add GTM_SELF_SPECS.
3983         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3984         (GTM_SELF_SPECS): Define.
3985         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3986         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3987
3988 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3989
3990         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3991         away if seen.
3992
3993         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3994
3995         PR middle-end/52230
3996         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3997         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3998
3999 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
4000
4001         PR c/52190
4002         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4003
4004 2012-02-13  Richard Guenther  <rguenther@suse.de>
4005
4006         PR translation/52211
4007         * passes.c (enable_disable_pass): Fix typo.
4008
4009 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
4010
4011         PR middle-end/52209
4012         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4013         XOR for reduce_bit_field if type is unsigned.
4014
4015 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4016
4017         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4018         disallow changes from SFmode to mode with different size in FP regs.
4019
4020 2012-02-12  Robert Millan  <rmh@gnu.org>
4021             Gerald Pfeifer <gerald@pfeifer.com>
4022
4023         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4024         Tweak comment.
4025
4026 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
4027
4028         PR rtl-optimization/52175
4029         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4030         to frame-related instructions.
4031
4032 2012-02-10  Jason Merrill  <jason@redhat.com>
4033
4034         PR c++/51910
4035         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4036         (demangle_new_symbols): Fill it.
4037         (scan_linker_output): Walk it.
4038         (start_tweaking): Split out from scan_linker_output.
4039         (maybe_tweak): Update sym->chosen.
4040         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4041
4042 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
4043
4044         PR debug/52132
4045         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4046
4047 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
4048
4049         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4050         having the same mode as previous compare.
4051
4052 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
4053
4054         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4055         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4056         (nonlocal_goto_internal): Likewise.
4057         (nonlocal_goto): Emit a use and an indirect jump directly.
4058
4059 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
4060
4061         PR c/52190
4062         * doc/extend.texi : Update comments for __atomic_compare_exchange and
4063         __atomic_{is,always}_lock_free.
4064
4065 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
4066
4067         PR target/52146
4068         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4069         negative constant address for x32.
4070
4071 2012-02-10  Richard Henderson  <rth@redhat.com>
4072
4073         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4074         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4075         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
4076
4077 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4078             Ira Rosen  <irar@il.ibm.com>
4079
4080         PR tree-optimization/50031
4081         * targhooks.c (default_builtin_vectorization_cost): Handle
4082         vec_promote_demote.
4083         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4084         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4085         all types of reduction and pattern statements.
4086         (vect_estimate_min_profitable_iters): Likewise.
4087         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4088         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4089         for explicit realigns.
4090         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4091         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4092         vec_promote_demote.
4093         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4094         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4095         vec_perm for VSX and handle vec_promote_demote.
4096
4097 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
4098
4099         PR middle-end/52177
4100         * builtins.c (fold_builtin_atomic_always_lock_free,
4101         expand_builtin_atomic_always_lock_free,
4102         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4103         Return and/or test boolean_true_node/boolean_false_node instead of
4104         integer_one_node/integer_zero_node.
4105
4106 2012-02-10  Jan Hubicka  <jh@suse.cz>
4107
4108         PR middle-end/48600
4109         * predict.c (predict_paths_for_bb): Prevent looping.
4110         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4111
4112 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
4113
4114         * config/arm/arm.c (output_move_double): In one case properly
4115         count number of instructions that will be emitted.
4116
4117 2012-02-10  Richard Guenther  <rguenther@suse.de>
4118
4119         PR translation/52193
4120         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4121
4122 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
4123
4124         PR middle-end/52140
4125         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4126
4127 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
4128
4129         PR debug/52165
4130         * var-tracking.c (emit_note_insn_var_location): If
4131         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4132         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4133         non-NOTE_DURING_CALL_P insn.
4134
4135 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
4136
4137         PR middle-end/51867
4138         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4139
4140 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
4141
4142         PR driver/48524
4143         * gcc.c (switch_matches) Support switches with separated form,
4144         -D and -U.
4145
4146 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
4147
4148         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4149         (SP_ADDR): Ditto.
4150         (RAMPZ_ADDR): Ditto.
4151         * config/avr/avr.c (avr_addr_t): New typedef.
4152         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4153         (avr_init_expanders): Initialize it.
4154         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4155         SREG_ADDR.
4156         (expand_epilogue): Ditto.
4157         (avr_print_operand): Ditto.
4158         (avr_file_start): Ditto.
4159         (avr_emit_movmemhi): Ditto.
4160
4161 2012-02-08  Richard Guenther  <rguenther@suse.de>
4162
4163         PR tree-optimization/46886
4164         * tree-flow.h (do_while_loop_p): Declare.
4165         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4166         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4167
4168 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
4169
4170         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4171         always succeed for integers larger than a native word.
4172
4173 2012-02-08  Richard Guenther  <rguenther@suse.de>
4174
4175         PR rtl-optimization/52170
4176         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4177         properly handle integer vector modes.
4178
4179 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
4180
4181         PR gcov-profile/52150
4182         * coverage.c: Include target.h.
4183         (build_var): Call targetm.strip_name_encoding on the assembler name.
4184         Change one _ into . or $ if the target allows it.
4185         * Makefile.in (coverage.o): Depend on $(TARGET_H).
4186
4187         PR rtl-optimization/52139
4188         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4189         is a BARRIER after emit_insn_after_noloc, move BB_END
4190         to the last non-BARRIER insn before it.
4191
4192 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
4193
4194         PR middle-end/24306
4195         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4196         (mips_gimplify_va_arg_expr): Call it instead of
4197         std_gimplify_va_arg_expr.
4198
4199 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
4200
4201         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4202         message for -mno-pointers-to-nested-function.
4203
4204 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
4205
4206         PR middle-end/51994
4207         * expr.c (get_inner_reference): If there is an offset, add a negative
4208         bit position to it (if any).
4209
4210 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4211
4212         PR rtl-optimization/52060
4213         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4214         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4215         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4216         and/or i0src_copy2 when needed.
4217
4218 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4219
4220         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4221         or LTOPLUGINSONAME if have_c.
4222
4223         * config/freebsd-spec.h: Add comment about what macros can be defined
4224         in this header.
4225         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4226         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4227         here instead.
4228
4229 2012-02-07  Richard Guenther  <rguenther@suse.de>
4230
4231         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4232         newline in -alias dumps.
4233
4234 2012-02-07  Kai Tietz  <ktietz@redhat.com>
4235             Dave Korn  <dave.korn.cygwin@gmail.com>
4236
4237         PR target/40068
4238         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4239         Take care that typinfo gets dllexport-attribute.
4240
4241 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4242
4243         PR middle-end/52074
4244         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4245         if modifier < EXPAND_SUM call force_operand on the result.
4246
4247 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
4248
4249         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4250         adding __forwarder_dst__ prefix if a forwarder_section attribute is
4251         present.
4252         (epiphany_function_type): Replace types for specific interrupts with
4253         EPIPHANY_FUNCTION_INTERRUPT.
4254         (EPIPHANY_INTERRUPT_P): Update.
4255         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4256         New static function.
4257         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4258         <disinterrupt>: Affects type identity.
4259         (epiphany_handle_interrupt_attribute): Handle variable number of
4260         arguments.
4261         (epiphany_compute_function_type): Update for new
4262         epiphany_function_type definition.
4263         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4264         handlers with a longcall forwarder.
4265         (epiphany_start_function): Handle multiple interrupt arguments and/or
4266         forwarder_section attribute.
4267
4268         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4269         libgloss.
4270
4271 2012-02-07  Alan Modra  <amodra@gmail.com>
4272
4273         PR target/52107
4274         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4275         subregs of TFmode.
4276
4277 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4278
4279         PR tree-optimization/50969
4280         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4281         use vec_perm rather than vector_stmt.
4282         (vect_model_load_cost): Likewise.
4283         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4284         vec_perm to be the same as other vector statements.
4285         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4286         cost of vec_perm for TARGET_VSX.
4287
4288 2012-02-06  Richard Guenther  <rguenther@suse.de>
4289
4290         PR tree-optimization/52115
4291         * tree-sra.c (access_has_replacements_p): New function.
4292         (sra_modify_assign): Use it to decide whether a use is uninitialized.
4293
4294 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
4295
4296         PR middle-end/52047
4297         * trans-mem.c (expand_call_tm): Add an assertion.
4298         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4299         functions.
4300
4301 2012-02-06  Richard Guenther  <rguenther@suse.de>
4302
4303         PR tree-optimization/50955
4304         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4305         raise cost of expressions that replace an address with an
4306         expression based on a different pointer.
4307
4308 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
4309
4310         PR target/52129
4311         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4312         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4313
4314 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
4315
4316         PR c++/48680
4317         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4318         -Weffc++ and specify guidelines come from second edition.
4319
4320 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4321
4322         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4323         (sibcall_value_multiple_internal, call_split, call_internal_direct)
4324         (call_direct_split, call_value_split, call_value_internal_direct)
4325         (call_value_direct_split, call_value_multiple_split): Use jal and
4326         jal_macro attributes.
4327
4328 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4329
4330         * reload1.c (reload_regs_reach_end_p): Replace with...
4331         (reload_reg_rtx_reaches_end_p): ...this function.
4332         (new_spill_reg_store): Update commentary.
4333         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4334         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4335         before setting new_spill_reg_store.
4336         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4337         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4338         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4339         for non-spill reload registers.
4340
4341 2012-02-05  Ira Rosen  <irar@il.ibm.com>
4342
4343         PR tree-optimization/52091
4344         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4345         (vect_is_simple_use_1): Likewise.
4346         * tree-vect-loop.c (vectorizable_reduction): Update calls
4347         to vect_is_simple_use_1 and vect_is_simple_use.
4348         (vectorizable_live_operation): Likewise.
4349         * tree-vect-patterns.c (widened_name_p,
4350         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4351         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4352         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4353         vectorizable_shift,vectorizable_operation, vectorizable_store,
4354         vectorizable_load): Likewise.
4355         (vect_is_simple_cond): Add an argument, pass it to
4356         vect_is_simple_use_1.
4357         (vectorizable_condition): Update calls to vect_is_simple_cond,
4358         vect_is_simple_use.
4359         (vect_is_simple_use): Add an argument, the statement in which
4360         OPERAND is used.  Check that if OPERAND's def stmt is a double
4361         reduction phi node, the use is a phi node too.
4362         (vect_is_simple_use_1): Add an argument, pass it to
4363         vect_is_simple_use.
4364         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4365         to vect_is_simple_use.
4366
4367 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
4368
4369         PR rtl-optimization/52095
4370         * modulo-sched.c (dump_insn_locator): New function.
4371         (loop_canon_p, sms_schedule): Use it.
4372
4373         PR rtl-optimization/52113
4374         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4375         even for decomposable shift/zext insns.
4376
4377 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4378             Zdenek Dvorak  <ook@ucw.cz>
4379
4380         PR rtl-optimization/52092
4381         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4382         on get_iv_value result.
4383
4384 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4385
4386         PR middle-end/47982
4387         PR middle-end/43967
4388         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4389
4390 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4391
4392         PR middle-end/48071
4393         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4394
4395 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4396
4397         PR rtl-optimization/49800
4398         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4399         (sched_finish): Call regstat_free_n_sets_and_refs.
4400
4401 2012-02-02  Jia Liu  <proljc@gmail.com>
4402
4403         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4404         than operand 2.
4405
4406 2012-02-02  Jan Hubicka  <jh@suse.cz>
4407             Tom de Vries  <tom@codesourcery.com>
4408
4409         PR middle-end/51998
4410         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4411         * varpool.c (varpool_analyze_pending_decls): Likewise.
4412
4413 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4414             Jayant R Sonar <jayant.sonar@kpitcummins.com>
4415
4416         * config.gcc: Add cr16-* support.
4417
4418         * doc/extend.texi: Document cr16 extensions.
4419         * doc/install.texi: Document cr16 install.
4420         * doc/invoke.texi: Document cr16 options.
4421         * doc/md.texi: Document cr16 constraints.
4422
4423         * common/config/cr16/cr16-common.c: New file.
4424         * config/cr16/cr16.c: New file.
4425         * config/cr16/cr16.h: New file.
4426         * config/cr16/cr16.md: New file.
4427         * config/cr16/cr16.opt: New file.
4428         * config/cr16/cr16-protos.h: New file.
4429         * config/cr16/predicates.md: New file.
4430         * config/cr16/constraints.md: New file.
4431         * config/cr16/t-cr16: New file.
4432
4433 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4434
4435         PR target/52086
4436         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4437         that operands[2] is either immediate, or q_regs_operand.
4438
4439         PR tree-optimization/52073
4440         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4441         a pattern stmt for pattern uses, ignore uses outside of the loop.
4442
4443 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4444
4445         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4446         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4447         (OUT_AS1, OUT_AS2): Remove.
4448
4449 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4450
4451         PR rtl-optimization/51374
4452         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4453         to cross other volatile_refs_p insns.
4454
4455 2012-02-01  Richard Guenther  <rguenther@suse.de>
4456
4457         * doc/invoke.texi (fno-inline): Clarify documentation.
4458         (finline-small-functions): Likewise.
4459         (finline-functions): Likewise.
4460         * common.opt (finline): Adjust comment and documentation.
4461         (finline-small-functions): Clarify documentation.
4462         (finline-functions): Likewise.
4463         (finline-functions-called-once): Likewise.
4464
4465 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4466
4467         * c-typeck.c (composite_type): Keep mode for pointers.
4468
4469 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4470
4471         * function.h (regno_reg_rtx): Adjust comment.
4472         * reginfo.c (init_reg_modes_target): Only use the previous mode
4473         if it fits within one register.  Remove MIPS comment.
4474
4475 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4476
4477         PR bootstrap/52058
4478         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4479
4480 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4481
4482         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4483         to srak instruction.
4484
4485 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4486
4487         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4488
4489 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4490
4491         PR bootstrap/52041
4492         PR bootstrap/52039
4493         PR target/51974
4494         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4495
4496 2012-01-31  Richard Guenther  <rguenther@suse.de>
4497
4498         PR tree-optimization/51528
4499         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4500         assigns.
4501
4502 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4503
4504         PR bootstrap/52041
4505         PR bootstrap/52039
4506         PR target/51974
4507         * ree.c (add_removable_extension): Change def_map argument
4508         to unsigned *, store in def_map 1 + offset into *insn_list vector
4509         instead of pointers into the vector.
4510         (find_removable_extensions): Adjust caller.
4511
4512 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4513
4514         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4515         Transform all "* quoted-c-code" to { c-code }.
4516         Remove redundant test for "optimize" in combine patterns.
4517         Move (include "avr-dimode.md") to end of file.
4518
4519 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4520
4521         PR target/51835
4522         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4523         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4524
4525 2012-01-30  Richard Guenther  <rguenther@suse.de>
4526
4527         PR tree-optimization/52028
4528         * tree-loop-distribution.c (ldist_gen): Properly update
4529         virtual SSA form.
4530
4531 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4532
4533         PR debug/52027
4534         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4535         set_cur_line_info_table if not emitting debug info.
4536
4537         PR tree-optimization/52046
4538         * tree-vect-patterns.c (check_bool_pattern): Give up if
4539         a comparison could throw.
4540
4541         PR debug/52048
4542         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4543
4544 2012-01-30  Richard Guenther  <rguenther@suse.de>
4545
4546         PR tree-optimization/52045
4547         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4548         SSA form if cfgcleanup did anything.
4549
4550 2012-01-30  Richard Guenther  <rguenther@suse.de>
4551
4552         PR tree-optimization/52045
4553         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4554         before computing final todo.
4555
4556 2012-01-30  Richard Guenther  <rguenther@suse.de>
4557
4558         PR tree-optimization/51528
4559         * tree-sra.c (sra_modify_assign): Re-factor in preparation
4560         for PR51528 fix.
4561
4562 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
4563
4564         * df-problems.c (df_kill_notes): Check that the use refers
4565         to the note under examination.
4566
4567 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
4568
4569         PR target/51920
4570         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4571         parameter and use short-lived pseudos.
4572         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4573         (sparc_expand_vector_init): Const-ify local variables and adjust
4574         calls to above functions.
4575
4576 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4577
4578         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4579
4580 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4581
4582         * doc/invoke.texi: Make usage of "compile time" and
4583         "run time"/"runtime" consistent throughout the file.
4584
4585 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
4586
4587         * config/alpha/alpha.c (alpha_option_override): Default to
4588         full IEEE compliance mode for Go language.
4589
4590 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
4591
4592         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4593         (LINK_SSP_SPEC): Define.
4594
4595 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4596
4597         PR target/51871
4598         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4599         stubs.
4600
4601 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
4602
4603         * doc/invoke.texi: Correct hyphenation of "floating point",
4604         "double precision", and related terminology throughout the file.
4605
4606 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
4607
4608         PR target/52006
4609         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4610         arm_general_register_operand predicate for operand 2 instead of
4611         register_operand.
4612
4613 2012-01-27  Ian Lance Taylor  <iant@google.com>
4614
4615         PR go/47656
4616         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4617         * builtins.c (expand_builtin_init_trampoline): Add onstack
4618         parameter.  Change caller.
4619         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4620         * tree.c (build_common_builtin_nodes): Declare
4621         __builtin_init_heap_trampoline.
4622
4623 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
4624
4625         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4626         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4627         * config/avr/avr.c: Ditto.
4628         (avr_regnames): Remove because unused.
4629         * config/avr/avr.md (*cpse.ne): New peephole.
4630         (*cpse.eq): New peephole from former cpse peepholes.
4631
4632 2012-01-27  Michael Eager  <eager@eagercon.com>
4633
4634         * config/microblaze.c (microblaze_emit_compare): Correct
4635         test after pcmp instruction.
4636
4637 2012-01-27  Richard Guenther  <rguenther@suse.de>
4638
4639         PR tree-optimization/52020
4640         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4641
4642 2012-01-27  Richard Guenther  <rguenther@suse.de>
4643
4644         * ipa-pure-const.c (check_stmt): Clobbers do not make a
4645         function non-const/pure.
4646
4647 2012-01-27  Richard Guenther  <rguenther@suse.de>
4648
4649         PR tree-optimization/50444
4650         * tree-sra.c (build_ref_for_offset): Properly adjust the
4651         MEM_REF type for unaligned accesses.
4652
4653 2012-01-27  Richard Guenther  <rguenther@suse.de>
4654
4655         PR tree-optimization/50444
4656         * expr.c (mem_ref_refers_to_non_mem_p): New function.
4657         (expand_assignment): Use it.  Properly handle misaligned
4658         bases when expanding stores to component references.
4659         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4660         refactor that case.
4661
4662 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
4663
4664         PR middle-end/51389
4665         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4666         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4667         * tree-data-ref.c (find_data_references_in_loop): Make static.
4668         (compute_all_dependences): Change return type to bool.  Bail out
4669         for too many datarefs in a loop.  Move the hunk resetting the data
4670         dependences vector from ...
4671         (compute_data_dependences_for_loop): ... here.  Account for
4672         compute_all_dependences returning false.
4673         (compute_data_dependences_for_bb): Likewise.
4674         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4675         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4676
4677 2012-01-27  Richard Guenther  <rguenther@suse.de>
4678
4679         PR middle-end/51959
4680         * expr.c (store_field): Use the alias-set of the scratch memory
4681         for storing to it.
4682
4683 2012-01-27  Tom de Vries  <tom@codesourcery.com>
4684
4685         PR tree-optimization/51990
4686         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4687         WITH_SIZE_EXPR.
4688         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4689
4690 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
4691
4692         PR debug/52001
4693         * var-tracking.c (reverse_op): Don't add any reverse operation
4694         if V already has any constant locations.
4695
4696 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4697
4698         * doc/invoke.texi: Correct usage of "command line" (noun)
4699         vs "command-line" (adjective) throughout.
4700
4701 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4702
4703         * doc/invoke.texi (Language Independent Options): Move
4704         -Wcoverage-mismatch blurb from here....
4705         (Warning Options): ...to here.
4706
4707 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4708
4709         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4710         Set rs6000_always_hint to false for 476.
4711
4712 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4713
4714         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4715           system root.
4716         * incpath.c (add_standard_paths): Likewise.
4717
4718 2012-01-27  Richard Henderson  <rth@redhat.com>
4719
4720         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4721         * config/m68k/sync.md (atomic_test_and_set): Rename from
4722         sync_test_and_setqi and adjust the operands.
4723         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4724         and unconditionally enable.
4725
4726 2012-01-27  Richard Henderson  <rth@redhat.com>
4727
4728         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4729         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4730         (ldstub): Rename from ldstubqi.
4731         (ldstub<I24MODE>): Remove.
4732
4733 2012-01-27  Richard Henderson  <rth@redhat.com>
4734
4735         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4736         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4737         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4738         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4739         * doc/tm.texi: Rebuild.
4740
4741 2012-01-27  Richard Henderson  <rth@redhat.com>
4742
4743         * optabs.c (gen_atomic_test_and_set): Remove default.
4744         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4745
4746 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4747
4748         PR rtl-optimization/51978
4749         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4750         (combine_reaching_defs): Likewise.
4751         (struct re_info): Remove.
4752         (add_removable_extension): Remove x and data arguments,
4753         add insn, insn_list and def_map.  Use the arguments directly
4754         instead of using struct re_info.
4755         (find_removable_extensions): Don't call add_removable_extension
4756         through note_stores, instead just call it with single_set
4757         result if non-NULL.
4758         (find_and_remove_re): Pass curr_cand->expr instead of
4759         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4760
4761 2012-01-26  Michael Matz  <matz@suse.de>
4762
4763         PR tree-optimization/46590
4764         * cfgexpand.c: Revert last change (r183305).
4765         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4766         regs.
4767         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4768         checking for emptiness.
4769
4770 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4771
4772         PR middle-end/51895
4773         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4774         non-addressable non-BLKmode base correctly.
4775
4776 2012-01-26  Michael Matz  <matz@suse.de>
4777
4778         PR tree-optimization/48794
4779         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4780         regions referenced from RESX/EH_DISPATCH.
4781
4782 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4783
4784         * config/s390/s390.h: Make BRANCH_COST an option.
4785         * config/s390/s390.opt: New option -mbranch-cost.
4786
4787 2012-01-26  Richard Henderson  <rth@redhat.com>
4788
4789         Revert 2012-01-24 change:
4790         * trans-mem.c (requires_barrier): Do not instrument thread local
4791         variables and emit save/restore for them.
4792
4793 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4794
4795         PR middle-end/51986
4796         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4797         for pat == 0.
4798
4799 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4800
4801         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4802         ASM_OPERANDS.
4803
4804 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4805
4806         PR target/49868
4807         Rename __pgm to __flash.
4808         Rename __pgm1 to __flash1.
4809         Rename __pgm2 to __flash2.
4810         Rename __pgm3 to __flash3.
4811         Rename __pgm4 to __flash4.
4812         Rename __pgm5 to __flash5.
4813         Rename __pgmx to __memx.
4814         * doc/extend.texi (AVR Named Address Spaces)
4815         Rename address space names as indicated above.
4816         * config/avr/avr.c (avr_addrspace): Ditto.
4817
4818         * config/avr/avr-protos.h
4819         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4820         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4821         * config/avr/predicates.md: Ditto.
4822         * config/avr/avr.c Ditto, and
4823         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4824         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4825
4826         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4827         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4828         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4829         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4830         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4831         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4832         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4833         * config/avr/avr.c: Ditto.
4834         * config/avr/avr.md: Ditto.
4835
4836 2012-01-25  Jason Merrill  <jason@redhat.com>
4837
4838         PR c++/51992
4839         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4840
4841 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4842
4843         PR tree-optimization/51987
4844         * tree-data-ref.c (get_references_in_stmt): Handle references in
4845         non-volatile GIMPLE_ASM.
4846
4847 2012-01-25  Richard Guenther  <rguenther@suse.de>
4848
4849         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4850         bases are dereferenced.
4851
4852 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4853
4854         PR rtl-optimization/48374
4855         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4856
4857 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4858
4859         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4860         compute_data_dependences_for_loop returns false.
4861         * tree-parloops.c (loop_parallel_p): Likewise.
4862
4863 2012-01-25  Richard Guenther  <rguenther@suse.de>
4864
4865         * tree.h (get_pointer_alignment_1): Declare.
4866         * builtins.c (get_pointer_alignment_1): New function.
4867         (get_pointer_alignment): Use it.
4868
4869 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4870
4871         PR rtl-optimization/48308
4872         * combine.c (enum undo_kind): Add UNDO_LINKS.
4873         (struct undo): Add member l to other_contents and where.
4874         (do_SUBST_LINK): New.
4875         (SUBST_LINK): New.
4876         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4877         (undo_all): Handle UNDO_LINKS.
4878
4879 2012-01-25  Richard Henderson  <rth@redhat.com>
4880
4881         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4882         mem inputs.
4883
4884 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4885
4886         * optabs.c (gen_atomic_test_and_set): Use each argument.
4887
4888 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4889
4890         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4891         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4892         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4893         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4894         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4895         TARGET_PAIRED_SINGLE_FLOAT.
4896
4897 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4898
4899         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4900         (in_struct, return_val): Remove MEM documentation.
4901         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4902         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4903         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4904         and MEM_SCALAR.
4905         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4906         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4907         * expr.c (store_field): Likewise.
4908         * function.c (assign_stack_temp_for_type): Likewise.
4909         * ifcvt.c (noce_try_cmove_arith): Likewise.
4910         * reload1.c (reload): Likewise.
4911         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4912         (alpha_set_memflags): Likewise.
4913         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4914
4915 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4916
4917         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4918         parameter.
4919         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4920         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4921         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4922         varies parameter.
4923         * cselib.c (cselib_rtx_varies_p): Delete.
4924         (cselib_invalidate_mem): Update call to canon_true_dependence.
4925         * dse.c (record_store, check_mem_read_rtx): Likewise.
4926         (scan_reads_nospill): Likewise.
4927         * cse.c (check_dependence): Likewise.
4928         (cse_rtx_varies_p): Delete.
4929         * expr.c (safe_from_p): Update call to true_dependence.
4930         * ira.c (validate_equiv_mem_from_store): Likewise.
4931         (memref_referenced_p): Likewise.
4932         * postreload-gcse.c (find_mem_conflicts): Likewise.
4933         * sched-deps.c (sched_analyze_2): Likewise.
4934         * store-motion.c (load_kills_store): Likewise.
4935         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4936         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4937         (compute_transp): Update call to canon_true_dependence.
4938
4939 2012-01-25  Richard Henderson  <rth@redhat.com>
4940
4941         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4942         (maybe_emit_atomic_test_and_set): New.
4943         (expand_sync_lock_test_and_set): Use it.
4944         (expand_atomic_test_and_set): Likewise.
4945         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4946         the implementation; clarify implementation defined details.
4947         * doc/md.texi (atomic_test_and_set): Document.
4948
4949 2012-01-25  Richard Henderson  <rth@redhat.com>
4950
4951         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4952
4953 2012-01-25  Richard Henderson  <rth@redhat.com>
4954
4955         PR target/51968
4956         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4957         to effect no-op split.
4958
4959 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4960
4961         PR lto/51698
4962         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4963         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4964         (BT_FN_VOID_PTR_INT_SIZE): New.
4965         (BT_FN_UINT_UINT_VAR): Remove.
4966         (BT_FN_UINT32_UINT32_VAR): New.
4967         (BT_FN_DOUBLE_VPTR): Remove.
4968         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4969
4970         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4971         (_ITM_changeTransactionMode): Same.
4972         (_ITM_memmoveRtWt): Change return type to void.
4973         (_ITM_memcpyRtWt): Same.
4974         (_ITM_memsetW): Same.
4975         (_ITM_RaRD): Change types to double.
4976         (_ITM_RD): Same.
4977         (_ITM_RaWD): Same.
4978         (_ITM_RfWD): Same.
4979
4980         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4981
4982 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4983             Patrick Marlier  <patrick.marlier@gmail.com>
4984
4985         * trans-mem.c (requires_barrier): Do not instrument thread local
4986         variables and emit save/restore for them.
4987
4988 2012-01-24  Jason Merrill  <jason@redhat.com>
4989
4990         PR c++/51812
4991         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4992         output static aliases.
4993
4994 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4995
4996         PR driver/47249
4997         * common.opt (-pie, -shared, pie, shared): Change from Common to
4998         Driver.
4999         * gcc.c (display_help): Display help for -pie and -shared.
5000
5001 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
5002
5003         PR target/49868
5004         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5005         Remove note on size/offset limitation.
5006         (AVR Variable Attributes): Add example how to read data located
5007         with progmem.  Refer to named address spaces.
5008         * doc/invoke.texi (AVR Options): Fix typo.
5009
5010 2012-01-24  Richard Guenther  <rguenther@suse.de>
5011
5012         Forward-port to trunk
5013         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
5014
5015         PR middle-end/45678
5016         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5017         op0 isn't sufficiently aligned and there is movmisalignM
5018         insn for mode, use it to load op0 into a temporary register.
5019
5020 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
5021
5022         PR target/51957
5023         * target.def (const_not_ok_for_debug_p): New hook.
5024         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5025         documentation.
5026         * doc/tm.texi: Regenerated.
5027         * dwarf2out.c (const_ok_for_output_1): If
5028         targetm.const_not_ok_for_debug_p returns true, fail.
5029         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5030         function.
5031         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5032
5033 2012-01-23  Kai Tietz  <ktietz@redhat.com>
5034
5035         PR target/51900
5036         * config/i386/predicates.md (symbolic_operand): Allow
5037         UNSPEC_PCREL as PIC expression for lea.
5038         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5039         * config/i386/i386.c (ix86_delegitimize_address): Handle
5040         UNSPEC_PCREL for none-MEM, too.
5041
5042 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
5043
5044         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5045         (ipa_tm_create_version_alias): Same.
5046
5047 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
5048
5049         PR libitm/51830
5050         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5051         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5052
5053 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
5054             Patrick Marlier  <patrick.marlier@gmail.com>
5055             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
5056
5057         PR lto/51916
5058         * lto-wrapper.c (run_gcc): Pass the LTO section name to
5059         simple_object_start_read.
5060
5061 2012-01-23  Richard Guenther  <rguenther@suse.de>
5062
5063
5064         PR tree-optimization/51895
5065         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5066         parameter decomposition into BLKmode components.
5067
5068 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
5069
5070         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5071         fake variables for restrict-qualified pointers whose pointed-to type
5072         contains a placeholder.
5073
5074 2012-01-23  Richard Guenther  <rguenther@suse.de>
5075
5076         PR tree-optimization/51949
5077         * ipa-split.c (execute_split_functions): Do not split malloc functions.
5078
5079 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
5080
5081         PR rtl-optimization/51933
5082         * ree.c (transform_ifelse): Return true right away if dstreg is
5083         already wider or equal to cand->mode.
5084         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5085         (make_defs_and_copies_lists): Remove defs_list and copies_list
5086         arguments, add state argument, just truncate state->work_list
5087         instead of always allocating and freeing the vector.  Assert that
5088         get_defs succeeds instead of returning 2.  Changed return type to bool.
5089         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
5090         have ext_src_mode, see if it has been modified already with the
5091         right kind of extension and has been extended before from the
5092         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
5093         just return true.  Remember the original mode in state->modified array.
5094         (combine_reaching_defs): Add state argument.  Don't allocate and
5095         free here def_list, copied_list and vec vectors, instead just
5096         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
5097         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5098         Add state variable, clear vectors in it, initialize state.modified
5099         if needed.  Free all the vectors at the end and state.modified too.
5100         Don't skip a candidate if the extension expression has been modified.
5101
5102 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
5103
5104         PR target/47096
5105         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5106          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5107         (extra_options) interix.opt -> i386/interix.opt"
5108         (extra_objs):Add winnt-stubs.o
5109         * configure.ac: Add interix to target_os .comm on PE check.
5110         * configure: Regenerate.
5111         * config/interix3.h: Delete and move bits to..
5112         * config/interix.h: Delete and move bits to..
5113         * config/i386/i386-interix3.h: Delete and move bits to..
5114         * config/i386/i386-interix.h: ..here.
5115         (TARGET_CPU_DEFAULT): Remove redefinition.
5116         (TARGET_ASM_CONSTRUCTOR): Undefine.
5117         (SUBTARGET_SWITCHES): Define for ms-bitfields.
5118         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5119         (PTRDIFF_TYPE): Define.
5120         (LONG_DOUBLE_TYPE_SIZE): Define.
5121         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5122         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5123         (TARGET_SECTION_TYPE_FLAGS): Define.
5124         (ASM_DECLARE_FUNCTION_NAME): Define.
5125         (ASM_OUTPUT_EXTERNAL): Define.
5126         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5127         (ASM_OUTPUT_ALIGNED_BSS): Define.
5128         (PCC_BITFIELD_TYPE_MATTERS): Define.
5129         (USE_CONST_SECTION): Define.
5130         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5131         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5132         (SUPPORTS_ONE_ONLY): Remove.
5133         (I386_PE_STRIP_ENCODING): Define.
5134         * config/interix.opt: Delete and move bits to..
5135         * config/i386/interix.opt: ..here. New.
5136         (mpe-aligned-commons): Add.
5137         * config/i386/t-interix: Add copyright header.
5138         (winnt-stubs.o): Add rule.
5139
5140 2012-01-22  Jason Merrill  <jason@redhat.com>
5141
5142         PR c++/51832
5143         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5144         for extra name aliases.
5145
5146 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5147
5148         PR rtl-optimization/51924
5149         * ree.c (combine_set_extension): Improve debugging message.
5150         (combine_reaching_defs): Likewise.
5151         (get_defs): Rename confusingly named variable.
5152         (find_and_remove_re): Skip a candidate if the extension expression has
5153         been modified.
5154
5155 2012-01-21  Robert Millan  <rmh@gnu.org>
5156             Gerald Pfeifer  <gerald@pfeifer.com>
5157
5158         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5159         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5160
5161 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
5162
5163         PR tree-optimization/51914
5164         * tree-vect-stmts.c (vectorizable_conversion): For
5165         cvt_type && modifier == WIDEN, put temporary with cvt_type
5166         at the beginning of vec_dsts and set vec_dest to temporary
5167         with vectype_out.
5168
5169 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
5170
5171         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5172
5173 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
5174
5175         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5176         * config/rs6000/rs6000.c: Likewise.
5177
5178 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
5179
5180         PR target/51915
5181         * config/arm/arm.c (arm_count_output_move_double_insns): Call
5182         output_move_double on a copy of operands array.
5183
5184 2012-01-20  Cary Coutant  <ccoutant@google.com>
5185             Dodji Seketeli  <dodji@redhat.com>
5186
5187         PR debug/45682
5188         * dwarf2out.c (copy_declaration_context): Return ref to parent
5189         of declaration DIE, if necessary.
5190         (remove_child_or_replace_with_skeleton): Add new parameter; update
5191         caller.  Place skeleton DIE under parent DIE of original declaration.
5192         Move call to copy_declaration_context to here ...
5193         (break_out_comdat_types): ... from here.
5194
5195 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5196
5197         PR rtl-optimization/51856
5198         * reload.c (find_reloads_subreg_address): Set the address_reloaded
5199         flag to reloaded.
5200
5201 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5202
5203         PR target/51819
5204         * config/arm/arm.c (arm_print_operand): Correct output of alignment
5205         hints for neon loads and stores.
5206
5207 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
5208
5209         PR target/49868
5210         PR target/50887
5211         * doc/extend.texi (Named Address Spaces): Split into subsections.
5212         (AVR Named Address Spaces): New subsection.
5213         (M32C Named Address Spaces): New subsection.
5214         (RL78 Named Address Spaces): New subsection.
5215         (SPU Named Address Spaces): New subsection.
5216         (Variable Attributes): New anchor "AVR Variable Attributes".
5217         (AVR Variable Attributes): Rewrite and avoid wording
5218         "address space" in this context.
5219         * doc/invoke.texi (AVR Options): Rewrite and add documentation
5220         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5221         (AVR Built-in Macros): New subsubsection therein.
5222         * doc/md.texi (AVR constraints): Remove "C04", "R".
5223
5224 2012-01-20  Richard Guenther  <rguenther@suse.de>
5225
5226         PR tree-optimization/51903
5227         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5228         when removing stmts.
5229
5230 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5231
5232         PR target/50313
5233         * config/arm/arm.c (arm_load_pic_register): Use
5234         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5235         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5236         (arm_pic_static_addr): Likewise.
5237         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5238         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5239         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5240         (pic_load_addr_unified): New.
5241
5242 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
5243
5244         PR target/51106
5245         * function.c (instantiate_virtual_regs_in_insn): Use
5246         delete_insn_and_edges when removing a wrong asm insn.
5247
5248 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
5249
5250         PR rtl-optimization/40761
5251         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5252         Add new member loop_num.
5253         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5254         (ira_build): Remove the parameter.
5255
5256         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5257         (ira.c): Do not build CFG loops for one region allocation.  Remove
5258         argument from ira_build call.
5259
5260         * ira-build.c (init_loop_tree_node): New function.
5261         (create_loop_tree_nodes): Use it.  Separate the case when CFG
5262         loops are not built.
5263         (more_one_region_p): Check current_loops.
5264         (finish_loop_tree_nodes): Separate the case when CFG loops are not
5265         built.
5266         (add_loop_to_tree): Process loop equal to NULL too.
5267         (form_loop_tree): Separate the case when CFG loops are not built.
5268         Use explicitly number for the root.
5269         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5270         an assertion.
5271         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5272         instead of loop->num.
5273         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
5274         (mark_all_loops_for_removal): Ditto.
5275         (remove_unnecessary_regions): Separate the case when CFG loops
5276         are not built.
5277         (ira_build): Remove the parameter.  Use explicit number of regions
5278         when CFG loops are not built.
5279
5280         * ira-color.c (print_loop_title): Separate the case for the root node.
5281         Use loop_num instead of loop->num.
5282         (move_spill_restore): Use loop_num instead of loop->num.
5283
5284         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5285         (change_loop): Ditto.
5286         (change_loop): Use loop_num instead of loop->num.
5287
5288         * ira-lives.c (process_bb_node_lives): Ditto.
5289
5290         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5291
5292         * ira-conflicts.c (print_allocno_conflicts): Ditto.
5293
5294 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5295
5296         PR libmudflap/40778
5297         * tree-mudflap.c (mf_artificial): New function.
5298         (execute_mudflap_function_ops, execute_mudflap_function_decls,
5299         mx_register_decls, mudflap_enqueue_decl): Use it.
5300
5301         PR target/51876
5302         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5303         numbers in the insn pattern.
5304
5305 2012-01-19  Michael Matz  <matz@suse.de>
5306
5307         PR tree-optimization/46590
5308         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5309         use it in remembering which conflicts we already created.
5310         (add_scope_conflicts): Adjust call to above, (de)allocate helper
5311         bitmap.
5312
5313 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
5314
5315         PR lto/51280
5316         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5317         (merge_and_complain): Same.
5318
5319 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5320
5321         PR bootstrap/50237
5322         * config/initfini-array.h: Guard content of the header
5323         with #ifdef HAVE_INITFINI_ARRAY.
5324         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5325         Add initfini-array.h to tm_file here.
5326         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5327         * config.gcc: Don't add initfini-array.h to tm_file here.
5328         * configure: Regenerated.
5329
5330 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
5331
5332         PR rtl-optimization/51505
5333         * df-problems.c (df_kill_notes): New parameter live. Update comment.
5334         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5335         (df_note_bb_compute): Update the call to df_kill_notes.
5336
5337 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
5338
5339         * trans-mem.c (requires_barrier): Remove call to is_global_var.
5340
5341 2012-01-18  Richard Guenther  <rguenther@suse.de>
5342
5343         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5344         of conversions to void *.
5345
5346 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5347             Richard Sandiford  <rdsandiford@googlemail.com>
5348
5349         PR middle-end/50325
5350         PR middle-end/51192
5351         * optabs.h (simplify_expand_binop): Declare.
5352         * optabs.c (simplify_expand_binop): Make global.
5353         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5354         endian targets if the source cannot be exactly covered by word
5355         mode chunks.
5356
5357 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5358
5359         PR bootstrap/51872
5360         * hard-reg-set.h (struct hard_reg_set_container): New type.
5361         * target.h (struct hard_reg_set_container): Forward declare.
5362         * target.def (set_up_by_prologue): New target hook.
5363         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5364         * doc/tm.texi: Regenerated.
5365         * function.c (thread_prologue_and_epilogue_insns): Change
5366         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5367         Call targetm.set_up_by_prologue on it.
5368         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5369         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5370
5371 2012-01-17  Nick Clifton  <nickc@redhat.com>
5372
5373         * config/rx/rx.c (rx_can_use_simple_return): New function.
5374         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5375         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5376
5377 2012-01-17  Richard Guenther  <rguenther@suse.de>
5378
5379         PR middle-end/51782
5380         * expr.c (expand_assignment): Take address-space information
5381         from the address operand of MEM_REF and TARGET_MEM_REF.
5382         (expand_expr_real_1): Likewise.
5383
5384 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5385
5386         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5387         reload dump is requested.
5388
5389 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
5390
5391         PR other/51165
5392         * trans-mem.c (requires_barrier): Call may_be_aliased.
5393
5394 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5395
5396         PR tree-optimization/51877
5397         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5398         call arguments and fndecls compare equal, instead return false if they
5399         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
5400         both SSA_NAMEs that are valueized the same, or they satisfy
5401         operand_equal_p.
5402
5403 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5404
5405         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5406         Solaris 11+.
5407         * configure: Regenerate.
5408
5409 2012-01-16  Jan Hubicka  <jh@suse.cz>
5410
5411         PR c/12245
5412         PR c++/14179
5413         * convert.c (convert_to_integer): Use fold_convert for
5414         converting an INTEGER_CST to integer type.
5415
5416 2012-01-16  Jason Merrill  <jason@redhat.com>
5417
5418         PR c++/14179
5419         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5420
5421 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
5422
5423         PR bootstrap/51860
5424         * config/s390/s390.c (s390_chunkify_start): Don't skip
5425         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
5426         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5427         If insn is followed by NOTE_INSN_VAR_LOCATION or
5428         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5429         Don't use location of note insns.
5430
5431         PR tree-optimization/51865
5432         * tree-inline.c (tree_function_versioning): Call remap_decl
5433         on DECL_RESULT whenever it has VOID_TYPE_P type.
5434
5435 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
5436
5437         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5438         for calls to locally-binding MIPS16 functions if only the return
5439         type uses float regs.
5440
5441 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
5442             Richard Sandiford  <rdsandiford@googlemail.com>
5443
5444         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5445         (SYMBOL_32_HIGH): Likewise.
5446         (mips_output_tls_reloc_directive): Declare.
5447         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5448         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5449         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5450         (mips_lo_relocs, mips_hi_relocs): Make extern.
5451         (mips16_stub_function): Move up file.
5452         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5453         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
5454         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
5455         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5456         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
5457         (mips_get_tp): Add MIPS16 support.
5458         (mips_legitimize_tls_address): Remove MIPS16 sorry().
5459         Generalize DTPREL and TPREL handling.
5460         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5461         Add MIPS16 TLS support.
5462         (mips_output_tls_reloc_directive): New function.
5463         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5464         * config/mips/predicates.md (symbolic_operand_with_high)
5465         (tls_reloc_operand): New predicates.
5466         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5467         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5468         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5469         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
5470         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5471         (*tls_get_tp_mips16_call_<mode>): Likewise.
5472
5473 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
5474
5475         PR rtl-optimization/51821
5476         * recog.c (peep2_find_free_register): Determine clobbered registers
5477         from insn pattern.
5478
5479 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
5480
5481         PR target/50925
5482         * config/avr/avr-protos.h: Revert change of 2012-01-09.
5483         * config/avr/avr.c: Likewise.
5484         * config/avr/avr.h: Likewise.
5485
5486 2012-01-13  Ian Lance Taylor  <iant@google.com>
5487
5488         PR c++/50012
5489         * tree.h (TYPE_QUALS): Add cast to int.
5490         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5491
5492 2012-01-13  Ian Lance Taylor  <iant@google.com>
5493
5494         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5495         comparing param_index to VEC_length result.
5496
5497 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
5498
5499         * c-decl.c: Do not include tree-mudflap.h
5500         * tree-optimize.c: Likewise.
5501         * Makefile.in: Update dependencies.
5502
5503 2012-01-13  Richard Guenther  <rguenther@suse.de>
5504
5505         PR middle-end/8081
5506         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5507         variable-sized result always use RSO.
5508
5509 2012-01-12  DJ Delorie  <dj@redhat.com>
5510
5511         * cfgexpand.c (convert_debug_memory_address): Allow any valid
5512         pointer type, not just the default pointer type.
5513
5514 2012-01-09  Richard Henderson  <rth@redhat.com>
5515             Denis Chertykov  <chertykov@gmail.com>
5516
5517         PR target/50925
5518         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5519         * config/avr/avr.c (avr_can_eliminate): Simplify.
5520         (avr_initial_elimination_offset): Likewise.
5521         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5522         (expand_epilogue): Likewise.
5523         (avr_legitimize_address): Gut.
5524         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5525         (avr_hard_regno_nregs): New.
5526         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5527         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5528         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5529         add soft frame pointer.
5530         (CALL_USED_REGISTERS): Likewise.
5531         (REG_CLASS_CONTENTS): Likewise.
5532         (REGISTER_NAMES): Likewise.
5533         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5534         (HARD_FRAME_POINTER_REGNUM): New.
5535         (FRAME_POINTER_REGNUM): Use soft frame pointer.
5536         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5537         remove the HARD_FRAME_POINTER self-elimination.
5538
5539 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
5540
5541         PR target/51756
5542         * config/avr/avr.c (avr_encode_section_info): Test for absence of
5543         DECL_EXTERNAL when checking for initializers of progmem variables.
5544
5545 2012-01-12  Ira Rosen  <irar@il.ibm.com>
5546
5547         PR tree-optimization/51799
5548         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5549         that the last operation is a type demotion.
5550
5551 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
5552
5553         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5554         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5555
5556 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
5557
5558         PR bootstrap/51796
5559         * combine.c (distribute_notes): If i3 is a noreturn call,
5560         allow old_size to be equal to args_size and make sure the
5561         noreturn call gets REG_ARGS_SIZE note.
5562         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5563         on noreturn calls even when the delta is 0.
5564
5565 2012-01-11  Nathan Sidwell  <nathan@acm.org>
5566
5567         * gcov.c (STRING_SIZE): Remove.
5568         (generate_results): Erase annotations for source files with no
5569         coverage information.
5570         (read_line): New.
5571         (output_lines): Use it.
5572
5573 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5574
5575         * gimple.h (gimplify_body): Remove first argument.
5576         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
5577         pointer set here, instead just pass DATA to walk_tree.
5578         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
5579         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5580         (unvisit_body): Likewise, but with unmark_visited.
5581         (gimplify_body): Remove BODY_P argument and adjust.
5582         (gimplify_function_tree): Adjust call to gimplify_body.
5583         * omp-low.c (finalize_task_copyfn): Likewise.
5584
5585 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5586
5587         * tree.h (build_function_decl_skip_args): Add boolean parameter.
5588         (build_function_type_skip_args): Delete.
5589         * tree.c (build_function_type_skip_args): Make static and add
5590         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
5591         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5592         pass it to build_function_type_skip_args.
5593         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5594         (tree_function_versioning): Likewise.
5595         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5596         build_function_decl_skip_args.
5597         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5598         and pass it to build_function_decl_skip_args/tree_function_versioning.
5599         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5600         * ipa-inline-transform.c (save_inline_function_body): Likewise.
5601         * trans-mem.c (ipa_tm_create_version): Likewise.
5602         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5603         * tree-inline.c (declare_return_variable): Remove always-true test.
5604         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
5605         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5606         * ipa-split.c (split_function): Skip the return value for the split
5607         part if it doesn't return.
5608
5609 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5610
5611         PR tree-optimization/49642
5612         * ipa-split.c (forbidden_dominators): New variable.
5613         (check_forbidden_calls): New function.
5614         (dominated_by_forbidden): Likewise.
5615         (consider_split): Check for forbidden dominators.
5616         (execute_split_functions): Initialize and free forbidden
5617         dominators info; call check_forbidden_calls.
5618
5619 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5620
5621         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5622
5623 2012-01-11  Nick Clifton  <nickc@redhat.com>
5624
5625         * config/rx/rx.md (return): Define pattern.
5626
5627 2012-01-11  Richard Guenther  <rguenther@suse.de>
5628
5629         * doc/extend.texi (malloc attribute): Adjust according to
5630         implementation.
5631
5632 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
5633             Patrick Marlier  <patrick.marlier@gmail.com>
5634
5635         PR middle-end/51516
5636         * trans-mem.c (get_cg_data): Traverse aliases if requested.
5637         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5638         (ipa_tm_note_irrevocable): Same.
5639         (ipa_tm_scan_irr_block): Same.
5640         (ipa_tm_decrement_clone_counts): Same.
5641         (ipa_tm_scan_irr_function): Same.
5642         (ipa_tm_create_version_alias): Same.
5643         (ipa_tm_create_version): Same.
5644         (ipa_tm_transform_calls_redirect): Same.
5645         (ipa_tm_transform_calls): Same.
5646         (ipa_tm_transform_transaction): Same.
5647         (ipa_tm_execute): Same.
5648
5649 2012-01-10  Richard Guenther  <rguenther@suse.de>
5650
5651         PR middle-end/51806
5652         * opts.c (common_handle_option): Handle -Werror.
5653
5654 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
5655
5656         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5657         operand number.
5658
5659 2012-01-10  Jason Merrill  <jason@redhat.com>
5660
5661         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5662         information.
5663
5664 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5665
5666         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5667         supports R_386_TLS_GD_PLT reloc.
5668         (gcc_cv_as_ix86_tlsldmplt): Check if linker
5669         supports R_386_TLS_LDM_PLT reloc.
5670         * configure: Regenerate.
5671         * config.in: Regenerate.
5672
5673 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
5674
5675         PR target/49868
5676         Extend __pgmx semantics to linearize memory.
5677         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5678         determine if code comes inline or from libgcc.
5679         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5680         (movmem_qi, movmem_qi): Set constraint #2 to "n".
5681         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5682         (movmemx_qi, movmemx_hi): New insns.
5683         (xload_<mode>_libgcc): Rewrite to new insn condition.
5684         (xload_<mode>): Remove insns.
5685         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5686         cases that don't satisfy avr_xload_libgcc_p().
5687         (avr_addr_space_convert): Allow converting in any direction.
5688         (avr_addr_space_subset_p): Return always true.
5689         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5690         (avr_emit_movmemhi): Ditto.
5691         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5692         (avr_out_movmem): Ditto.
5693         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5694         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5695         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5696         (avr_encode_section_info): Encode 'progmem' in symbol flags.
5697         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5698
5699 2012-01-10  Richard Guenther  <rguenther@suse.de>
5700
5701         PR tree-optimization/50913
5702         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5703         Require data-refs to be representable by Graphite with respect
5704         to any loop nest.
5705
5706 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
5707
5708         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5709         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5710
5711 2012-01-10  Tom de Vries  <tom@codesourcery.com>
5712
5713         PR rtl-optimization/51271
5714         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5715         handling annulled branch.
5716
5717 2012-01-10  Richard Henderson  <rth@redhat.com>
5718
5719         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5720         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5721         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5722         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5723         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5724         arm_expand_vec_perm_const): New.
5725         * config/arm/arm-protos.h: Update.
5726         * config/arm/neon.md (UNSPEC_VCONCAT): New.
5727         (*neon_vswp<VDQX>): New.
5728         (neon_vcombine<VDX>): Use neon_split_vcombine.
5729         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5730         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5731         (vec_perm<VE>): New.
5732
5733 2012-01-10  Richard Henderson  <rth@redhat.com>
5734
5735         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5736         use it if reload_completed.
5737         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5738         arm_output_asm_insn, arm_process_output_memory_barrier,
5739         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5740         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5741         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5742         arm_process_output_sync_insn, arm_output_sync_insn,
5743         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5744         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5745         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5746         (emit_unlikely_jump): New.
5747         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5748         (arm_split_atomic_op): New.
5749         * config/arm/arm-protos.h: Update.
5750         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5751         (struct arm_sync_generator): Remove.
5752         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5753         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5754         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5755         (VUNSPEC_LL, VUNSPEC_SC): New.
5756         (sync_result, sync_memory, sync_required_value, sync_new_value,
5757         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5758         (attr length): Don't use arm_sync_loop_insns.
5759         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5760         (movsfcc, movdfcc): Likewise.
5761         * config/arm/constraints.md (Ua): New.
5762         * config/arm/prediates.md (mem_noofs_operand): New.
5763         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5764         (sync_clobber, sync_t2_reqd): Remove.
5765         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5766         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5767         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5768         (arm_sync_compare_and_swap<SIDI>): Remove.
5769         (arm_sync_compare_and_swap<NARROW>): Remove.
5770         (arm_sync_lock_test_and_set<SIDI>): Remove.
5771         (arm_sync_lock_test_and_set<NARROW>): Remove.
5772         (arm_sync_new_<syncop><SIDI>): Remove.
5773         (arm_sync_new_<syncop><NARROW>): Remove.
5774         (arm_sync_new_nand<SIDI>): Remove.
5775         (arm_sync_new_nand<NARROW>): Remove.
5776         (arm_sync_old_<syncop><SIDI>): Remove.
5777         (arm_sync_old_<syncop><NARROW>): Remove.
5778         (arm_sync_old_nand<SIDI>): Remove.
5779         (arm_sync_old_nand<NARROW>): Remove.
5780         (*memory_barrier): Merge arm_output_memory_barrier.
5781         (atomic_compare_and_swap<QHSD>): New.
5782         (atomic_compare_and_swap<NARROW>_1): New.
5783         (atomic_compare_and_swap<SIDI>_1): New.
5784         (atomic_exchange<QHSD>): New.
5785         (cas_cmp_operand, cas_cmp_str): New.
5786         (atomic_op_operand, atomic_op_str): New.
5787         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5788         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5789         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5790         (arm_load_exclusive<NARROW>): New.
5791         (arm_load_exclusivesi, arm_load_exclusivedi): New.
5792         (arm_store_exclusive<QHSD>): New.
5793
5794 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5795
5796         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5797         reload patterns if -mvsx-scalar-memory.
5798
5799         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5800         generated, even -mno-vsx-scalar-double was used.
5801         (vsx_xscvdpsp_scalar): Likewise.
5802         (vsx_xscvspdp_scalar2): Likewise.
5803
5804 2012-01-09  Tom de Vries  <tom@codesourcery.com>
5805             Andrew Pinski  <apinski@cavium.com>
5806
5807         PR debug/51471
5808         * reorg.c (fill_slots_from_thread): Don't speculate
5809         frame-related insns.
5810
5811 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
5812
5813         * sched-int.h (bb_note): Move to...
5814         * basic-block.h: ...here.
5815         * haifa-sched.c (bb_note): Move to...
5816         * cfgrtl.c: ...here.
5817         * function.c (next_block_for_reg): New function.
5818         (move_insn_for_shrink_wrap): Likewise.
5819         (prepare_shrink_wrap): Rewrite to use the above.
5820
5821 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
5822
5823         * gimple.c (is_gimple_non_addressable): Remove.
5824         * gimple.h: Remove is_gimple_non_addressable.
5825         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5826         is_gimple_non_addressable.
5827         * trans-mem.c (expand_assign_tm): Same.
5828
5829 2012-01-09  Richard Guenther  <rguenther@suse.de>
5830
5831         PR tree-optimization/51775
5832         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5833         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5834
5835 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5836
5837         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5838         tuning parameters.
5839         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5840
5841 2012-01-09  Richard Guenther  <rguenther@suse.de>
5842
5843         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5844
5845 2012-01-08  Jan Hubicka  <jh@suse.cz>
5846
5847         PR tree-optimize/51680
5848         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5849         on when known_vals needs to be computed; cleanup.
5850
5851 2012-01-08  Jan Hubicka  <jh@suse.cz>
5852
5853         PR tree-optimize/51694
5854         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5855
5856 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
5857
5858         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5859         for -std=c++98 and -std=c++11 too.
5860
5861 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
5862
5863         * cfgloop.c (cancel_loop): Add free() of bbs array.
5864
5865 2012-01-07  Jan Hubicka  <jh@suse.cz>
5866
5867         PR tree-optimization/51600
5868         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5869         that benefits small functions.
5870
5871 2012-01-07  Jan Hubicka  <jh@suse.cz>
5872
5873         * ipa-inline.c (want_inline_small_function_p): Fix formating.
5874
5875 2012-01-07  Jan Hubicka  <jh@suse.cz>
5876
5877         PR tree-optimization/51680
5878         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5879         whose inlining reduce unit size.
5880
5881 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
5882
5883         PR bootstrap/51725
5884         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5885         Add canonical node to containing_mem chain after the non-canonical
5886         one, even if there weren't any locs to propagate.
5887         (remove_useless_values): Keep only canonical values.
5888         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5889         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
5890         canonicalize mem_chain elements that are not discarded.
5891
5892 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
5893
5894         PR target/47333
5895         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5896         before emitting functions.
5897
5898         PR gcov-profile/50127
5899         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5900         clear_aux_for_blocks.
5901
5902 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
5903
5904         PR debug/51746
5905         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5906
5907 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
5908
5909         * c-decl.c (ext_block): Moved up.
5910         (collect_all_refs, for_each_global_decl): Take ext_block into account.
5911
5912 2012-01-06  Han Shen  <shenhan@google.com>
5913
5914         Translate built-in include paths for sysroot.
5915         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5916         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5917
5918         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5919         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5920
5921         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5922         control whether sysroot should be prepended to gxx include dir.
5923
5924         * configure: Regenerate.
5925
5926 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5927
5928         PR rtl-optimization/51771
5929         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5930         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5931
5932 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5933
5934         PR tree-optimization/51315
5935         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5936         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5937
5938 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5939
5940         PR target/51681
5941         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5942         for shrp pattern.  Correctly handle and fixup shift variable.
5943         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5944
5945 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5946
5947         PR debug/51762
5948         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5949         note when !ACCUMULATE_OUTGOING_ARGS.
5950
5951 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5952
5953         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5954         condition.
5955         (extract_range_from_unary_expr_1): Avoid useless computations.
5956
5957 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5958
5959         PR rtl-optimization/51767
5960         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5961         of jump_block and add an extra edge for degenerated asm gotos.
5962
5963         PR middle-end/51768
5964         * stmt.c (check_unique_operand_names): Don't ICE during error
5965         reporting if i is from labels chain.
5966
5967         PR middle-end/44777
5968         * profile.c (branch_prob): Split bbs that have exit edge
5969         and need a fake entry edge too.
5970
5971 2012-01-05  Jan Hubicka  <jh@suse.cz>
5972
5973         PR middle-end/49710
5974         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5975         unlooping loops.
5976
5977 2012-01-05  Richard Guenther  <rguenther@suse.de>
5978
5979         PR lto/50490
5980         * tree-streamer-out.c (write_ts_optimization): New function.
5981         (streamer_write_tree_body): Call it.
5982         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5983         (streamer_read_tree_body): Call it.
5984         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5985
5986 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5987
5988         PR middle-end/51761
5989         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5990         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5991         in_cleanup_point_expr before gimplify_stmt call and restore it
5992         afterwards.
5993         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5994         in_cleanup_point_expr is false.
5995
5996 2012-01-05  Richard Guenther  <rguenther@suse.de>
5997
5998         PR middle-end/51764
5999         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6000         to c.opt.
6001         * toplev.c (process_options): Reject combining mudflap and LTO.
6002         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6003
6004 2012-01-05  Richard Guenther  <rguenther@suse.de>
6005
6006         PR tree-optimization/51760
6007         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6008         not VARYING.
6009         (bit_value_unop): Handle UNDEFINED operands.
6010         (bit_value_binop): Likewise.
6011
6012 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
6013
6014         * config/avr/avr.c (avr_replace_prefix): Remove.
6015         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6016         (avr_asm_function_rodata_section): Ditto.
6017         (avr_asm_select_section): Ditto.
6018
6019 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
6020
6021         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6022         insertion.
6023
6024 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
6025
6026         PR bootstrap/51648
6027         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6028         calls that have any non-fake successor edges.
6029
6030         PR debug/51746
6031         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6032
6033 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
6034
6035         PR tree-optimization/51624
6036         * tree-sra.c (build_ref_for_model): When replicating a chain of
6037         COMPONENT_REFs, stop as soon as the offset would become negative.
6038
6039 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
6040
6041         PR debug/51695
6042         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6043         in .debug_loc on the floor.
6044
6045 2012-01-04  Andrew Pinski  <apinski@cavium.com>
6046
6047         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6048
6049 2012-01-04  Andrew Pinski  <apinski@cavium.com>
6050             Adam Nemet  <anemet@caviumnetworks.com>
6051
6052         * config/mips/mips.md (size): Add SI and DI.
6053         (SIZE): New mode attribute.
6054         (U): New code attribute.
6055         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6056         (mips_lbux_<mode>): Delete.
6057         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6058         (mips_lhx): Use gen_mips_lhx_extsi.
6059         (mips_lhx_<mode>): Delete.
6060         (mips_lwx): Delete.
6061         (mips_l<size>x): New expand.
6062         (mips_lwx_<mode>): Delete.
6063         (mips_l<GPR:size>x_<P:mode>): New pattern.
6064         (*mips_lw<u>x_<P:mode>_ext): Likewise.
6065         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6066         * config/mips/mips.c (mips_lx_address_p): New function.
6067         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6068         (dsp64): New availability predicate.
6069         (mips_builtins): Add an entry for __builtin_mips_ldx.
6070         * config/mips/mips.h (ISA_HAS_LBX): New define.
6071         (ISA_HAS_LBUX): Likewise.
6072         (ISA_HAS_LHX): Likewise.
6073         (ISA_HAS_LHUX): Likewise.
6074         (ISA_HAS_LWX): Likewise.
6075         (ISA_HAS_LWUX): Likewise.
6076         (ISA_HAS_LDX): Likewise.
6077         * doc/extend.texi (__builtin_mips_ldx): Document.
6078
6079 2012-01-04  Tristan Gingold  <gingold@adacore.com>
6080
6081         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6082         when long pointers are used.
6083         * config.build (*-*-*vms*): Handle all OpenVMS targets.
6084         (alpha64-dec-*vms*, alpha*-dec-*vms*)
6085         (ia64-hp-*vms*): Remove.
6086         * config/vms/xm-vms64.h: Delete.
6087
6088 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
6089
6090         PR middle-end/51472
6091         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6092
6093 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
6094
6095         * opts.c (finish_options): Remove duplicate sorry.
6096
6097 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
6098
6099         PR middle-end/51696
6100         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6101         correctly.
6102
6103 2012-01-04  Richard Guenther  <rguenther@suse.de>
6104
6105         PR middle-end/51750
6106         * tree.c (size_low_cst): New function.
6107         * tree.h (size_low_cst): Declare.
6108         * fold-const.c (fold_comparison): Use it to extract the low
6109         part of the POINTER_PLUS_EXPR offset.
6110
6111 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
6112
6113         Fix clearing ZERO_REG
6114         * config/avr/avr.md (cc): Add alternative "ldi".
6115         (movqi_insn): Use it in cc attribute.
6116         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6117         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6118         (output_reload_insisf): Use ZERO_REG to pre-clear register.
6119
6120 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6121
6122         * configure: Regenerate.
6123
6124 2012-01-04  Richard Guenther  <rguenther@suse.de>
6125
6126         PR tree-optimization/49651
6127         * tree-ssa-structalias.c (type_can_have_subvars): New function.
6128         (var_can_have_subvars): Use it.
6129         (get_constraint_for_1): Only consider subfields if there can be any.
6130
6131 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
6132
6133         PR bootstrap/51725
6134         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6135         to its new canonical_cselib_val and the cselib_val was in
6136         first_containing_mem chain, but the canonical_cselib_val was not,
6137         add the latter into the chain.
6138         (cselib_invalidate_mem): Compare canonical_cselib_val of
6139         addr_list chain elt with v.
6140
6141         PR pch/51722
6142         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6143         dwarf2out_undef): Allocate e.info using ggc_strdup instead
6144         of xstrdup.
6145         (output_macinfo_op): Don't ggc_strdup fd->filename.
6146         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6147         then ggc_strdup it.  Don't free inc->info or cur->info.
6148         (output_macinfo): Don't free ref->info or file->info.
6149
6150 2012-01-03  Ira Rosen  <irar@il.ibm.com>
6151
6152         PR tree-optimization/51269
6153         * tree-vect-loop-manip.c (set_prologue_iterations): Make
6154         first_niters a pointer.
6155         (slpeel_tree_peel_loop_to_edge): Likewise.
6156         (vect_do_peeling_for_loop_bound): Update call to
6157         slpeel_tree_peel_loop_to_edge.
6158         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6159         here.  Remove it from the parameters list.
6160         (vect_do_peeling_for_alignment): Update calls and compute
6161         wide_prolog_niters.
6162
6163 2012-01-03  Richard Guenther  <rguenther@suse.de>
6164
6165         PR tree-optimization/51070
6166         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6167         Properly handle calls.
6168
6169 2012-01-03  Richard Guenther  <rguenther@suse.de>
6170
6171         PR tree-optimization/51692
6172         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6173         the LHS of allocation stmts.
6174
6175 2012-01-03  Olivier Hainque  <hainque@adacore.com>
6176
6177         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6178
6179 2012-01-03  Olivier Hainque  <hainque@adacore.com>
6180
6181         * collect2.c (main): In AIX specific computations for vector
6182         insertions, use CONST_CAST2 to cast from char ** to const char **.
6183
6184 2012-01-03  Richard Guenther  <rguenther@suse.de>
6185
6186         PR debug/51650
6187         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6188         the context of a limbo DIE when it does not already exist.
6189
6190 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
6191
6192         PR tree-optimization/51719
6193         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6194         but direct call is, clear direct call's lhs and don't add fallthrough
6195         edge from dcall_bb to join_bb and PHIs.
6196
6197 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6198
6199         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6200         the instructions emitted by the pattern.
6201         ("*TDC_insn_<mode>"): Add comment.
6202
6203 2012-01-03  Richard Guenther  <rguenther@suse.de>
6204
6205         PR middle-end/51730
6206         * fold-const.c (fold_comparison): Properly canonicalize
6207         tree offset and HOST_WIDE_INT bit position.
6208
6209 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
6210
6211         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6212         operands for extzv pattern.
6213
6214 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6215
6216         PR bootstrap/51725
6217         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6218         on mem_elt first.
6219
6220 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
6221
6222         * doc/invoke.texi (-flto and related options): Copy-edit.
6223
6224 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6225
6226         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6227
6228 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6229
6230         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6231         New patterns.
6232
6233 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6234
6235         * expr.h (move_by_pieces_ninsns): Declare.
6236         * expr.c (move_by_pieces_ninsns): Make external.
6237         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6238         (mips_store_by_pieces_p): Likewise.
6239         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6240         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6241         * config/mips/mips.c (mips_move_by_pieces_p): New function.
6242         (mips_store_by_pieces_p): Likewise.
6243
6244 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6245
6246         * passes.c (register_one_dump_file): Free full_name.
6247
6248         * reload1.c (reload): Don't allocate reg_max_ref_width here.
6249         (calculate_elim_costs_all_insns): Free offsets_at and
6250         offsets_known_at at the end and clear the pointers.
6251
6252 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6253
6254         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6255         this option introduced in r180739.
6256
6257 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6258
6259         PR target/51345
6260         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6261         (tmake_file target=avr): Add avr/t-multilib.
6262
6263         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6264         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6265         * config/avr/genmultilib.awk: New file.
6266         * config/avr/t-multilib: New auto-generated file.
6267         * config/avr/multilib.h: New auto-generated file.
6268         * config/avr/t-avr (AVR_MCUS): New variable.
6269         (genopt.sh): Use it.
6270         (s-mlib): Depend on t-multilib.
6271         (t-multilib, multilib.h): New dependencies.
6272         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6273         (MULTILIB_OPTIONS): Remove.
6274         (MULTILIB_MATCHES): Remove.
6275         (MULTILIB_DIRNAMES): Remove.
6276         (MULTILIB_EXCEPTIONS): Remove:
6277         * config/avr/genopt.sh: Don't use hard coded file name;
6278         pass AVR_MCUS from t-avr instead.
6279
6280 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6281
6282         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6283
6284 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6285
6286         Implement light-weight DImode support.
6287         * config/avr/avr-dimode.md: New file.
6288         * config/avr/avr.md: Include it.
6289         (adjust_len): Add plus64, compare64.
6290         (HIDI): Remove code iterator.
6291         (code_stdname): New code attribute.
6292         (rotx, rotsmode): Remove DI.
6293         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6294         as code iterator.
6295         * config/avr/avr-protos.h (avr_have_dimode): New.
6296         (avr_out_plus64, avr_out_compare64): New.
6297         * config/avr/avr.c (avr_out_compare): Handle DImode.
6298         (avr_have_dimode): New variable definition and initialization.
6299         (avr_out_compare64, avr_out_plus64): New functions.
6300         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6301         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6302         (avr_compare_pattern): Skip DImode comparisons.
6303
6304 2012-01-02  Revital Eres  <revital.eres@linaro.org>
6305
6306         * ddg.c (def_has_ccmode_p): New function.
6307         (add_cross_iteration_register_deps,
6308         create_ddg_dep_from_intra_loop_link): Call it.
6309
6310 2012-01-02  Richard Guenther  <rguenther@suse.de>
6311
6312         PR other/51679
6313         * invoke.texi (fassociative-math): Remove spurious paranthesis.
6314
6315 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6316
6317         * gcc.c (process_command): Update copyright notice dates.
6318         * gcov.c (print_version): Likewise.
6319         * gcov-dump.c (print_version): Likewise.
6320         * mips-tfile.c (main): Likewise.
6321         * mips-tdump.c (main): Likewise.
6322
6323 2012-01-01  Ira Rosen  <irar@il.ibm.com>
6324
6325         PR tree-optimization/51704
6326         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6327         a use is inside the basic block or loop before accessing its vect info.
6328
6329 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
6330
6331         PR rtl-optimization/51069
6332         * cfgloopmanip.c (remove_path): Removing path making irreducible
6333         region unconditional makes BB part of the region.
6334
6335 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6336
6337         PR tree-optimization/51683
6338         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6339         calls with side-effects.
6340         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6341 \f
6342 Copyright (C) 2012 Free Software Foundation, Inc.
6343
6344 Copying and distribution of this file, with or without modification,
6345 are permitted in any medium without royalty provided the copyright
6346 notice and this notice are preserved.