gcc/ChangeLog

   1 2012-01-27  Tom de Vries  <tom@codesourcery.com>
   2
   3         PR tree-optimization/51990
   4         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR.
   5         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
   6
   7 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR debug/52001
  10         * var-tracking.c (reverse_op): Don't add any reverse operation
  11         if V already has any constant locations.
  12
  13 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  14
  15         * doc/invoke.texi: Correct usage of "command line" (noun)
  16         vs "command-line" (adjective) throughout.
  17
  18 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  19
  20         * doc/invoke.texi (Language Independent Options): Move
  21         -Wcoverage-mismatch blurb from here....
  22         (Warning Options): ...to here.
  23
  24 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
  25
  26         * config/rs6000/rs6000.c (rs6000_option_override_internal):
  27         Set rs6000_always_hint to false for 476.
  28
  29 2012-01-27  Matthias Klose  <doko@ubuntu.com>
  30
  31         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
  32           system root.
  33         * incpath.c (add_standard_paths): Likewise.
  34
  35 2012-01-27  Richard Henderson  <rth@redhat.com>
  36
  37         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  38         * config/m68k/sync.md (atomic_test_and_set): Rename from
  39         sync_test_and_setqi and adjust the operands.
  40         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
  41         and unconditionally enable.
  42
  43 2012-01-27  Richard Henderson  <rth@redhat.com>
  44
  45         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  46         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
  47         (ldstub): Rename from ldstubqi.
  48         (ldstub<I24MODE>): Remove.
  49
  50 2012-01-27  Richard Henderson  <rth@redhat.com>
  51
  52         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  53         * c-cppbuiltin.c (cpp_atomic_builtins): Define
  54         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
  55         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
  56         * doc/tm.texi: Rebuild.
  57
  58 2012-01-27  Richard Henderson  <rth@redhat.com>
  59
  60         * optabs.c (gen_atomic_test_and_set): Remove default.
  61         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
  62
  63 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
  64
  65         PR rtl-optimization/51978
  66         * ree.c (make_defs_and_copies_lists): Change set_pat type
  67         to const_rtx.
  68         (combine_reaching_defs): Likewise.
  69         (struct re_info): Remove.
  70         (add_removable_extension): Remove x and data arguments,
  71         add insn, insn_list and def_map.  Use the arguments directly
  72         instead of using struct re_info.
  73         (find_removable_extensions): Don't call add_removable_extension
  74         through note_stores, instead just call it with single_set
  75         result if non-NULL.
  76         (find_and_remove_re): Pass curr_cand->expr instead of
  77         PATTERN (curr_cand->insn) as set_pat argument to
  78         combine_reaching_defs.
  79
  80 2012-01-26  Michael Matz  <matz@suse.de>
  81
  82         PR tree-optimization/46590
  83         * cfgexpand.c: Revert last change (r183305).
  84         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
  85         regs.
  86         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
  87         checking for emptiness.
  88
  89 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
  90
  91         PR middle-end/51895
  92         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
  93         non-addressable non-BLKmode base correctly.
  94
  95 2012-01-26  Michael Matz  <matz@suse.de>
  96
  97         PR tree-optimization/48794
  98         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
  99         regions referenced from RESX/EH_DISPATCH.
 100
 101 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 102
 103         * config/s390/s390.h: Make BRANCH_COST an option.
 104         * config/s390/s390.opt: New option -mbranch-cost.
 105
 106 2012-01-26  Richard Henderson  <rth@redhat.com>
 107
 108         Revert 2012-01-24 change:
 109         * trans-mem.c (requires_barrier): Do not instrument thread local
 110         variables and emit save/restore for them.
 111
 112 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 113
 114         PR middle-end/51986
 115         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 116         for pat == 0.
 117
 118 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 119
 120         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 121         ASM_OPERANDS.
 122
 123 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 124
 125         PR target/49868
 126         Rename __pgm to __flash.
 127         Rename __pgm1 to __flash1.
 128         Rename __pgm2 to __flash2.
 129         Rename __pgm3 to __flash3.
 130         Rename __pgm4 to __flash4.
 131         Rename __pgm5 to __flash5.
 132         Rename __pgmx to __memx.
 133         * doc/extend.texi (AVR Named Address Spaces)
 134         Rename address space names as indicated above.
 135         * config/avr/avr.c (avr_addrspace): Ditto.
 136
 137         * config/avr/avr-protos.h
 138         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 139         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 140         * config/avr/predicates.md: Ditto.
 141         * config/avr/avr.c Ditto, and
 142         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 143         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 144
 145         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 146         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 147         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 148         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 149         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 150         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 151         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 152         * config/avr/avr.c: Ditto.
 153         * config/avr/avr.md: Ditto.
 154
 155 2012-01-25  Jason Merrill  <jason@redhat.com>
 156
 157         PR c++/51992
 158         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 159
 160 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 161
 162         PR tree-optimization/51987
 163         * tree-data-ref.c (get_references_in_stmt): Handle references in
 164         non-volatile GIMPLE_ASM.
 165
 166 2012-01-25  Richard Guenther  <rguenther@suse.de>
 167
 168         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 169         bases are dereferenced.
 170
 171 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 172
 173         PR rtl-optimization/48374
 174         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 175
 176 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 177
 178         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 179         compute_data_dependences_for_loop returns false.
 180         * tree-parloops.c (loop_parallel_p): Likewise.
 181
 182 2012-01-25  Richard Guenther  <rguenther@suse.de>
 183
 184         * tree.h (get_pointer_alignment_1): Declare.
 185         * builtins.c (get_pointer_alignment_1): New function.
 186         (get_pointer_alignment): Use it.
 187
 188 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 189
 190         PR rtl-optimization/48308
 191         * combine.c (enum undo_kind): Add UNDO_LINKS.
 192         (struct undo): Add member l to other_contents and where.
 193         (do_SUBST_LINK): New.
 194         (SUBST_LINK): New.
 195         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 196         (undo_all): Handle UNDO_LINKS.
 197
 198 2012-01-25  Richard Henderson  <rth@redhat.com>
 199
 200         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 201         mem inputs.
 202
 203 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 204
 205         * optabs.c (gen_atomic_test_and_set): Use each argument.
 206
 207 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 208
 209         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 210         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 211         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 212         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 213         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 214         TARGET_PAIRED_SINGLE_FLOAT.
 215
 216 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 217
 218         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 219         (in_struct, return_val): Remove MEM documentation.
 220         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 221         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 222         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 223         and MEM_SCALAR.
 224         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 225         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 226         * expr.c (store_field): Likewise.
 227         * function.c (assign_stack_temp_for_type): Likewise.
 228         * ifcvt.c (noce_try_cmove_arith): Likewise.
 229         * reload1.c (reload): Likewise.
 230         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 231         (alpha_set_memflags): Likewise.
 232         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 233
 234 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 235
 236         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 237         parameter.
 238         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 239         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 240         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 241         varies parameter.
 242         * cselib.c (cselib_rtx_varies_p): Delete.
 243         (cselib_invalidate_mem): Update call to canon_true_dependence.
 244         * dse.c (record_store, check_mem_read_rtx): Likewise.
 245         (scan_reads_nospill): Likewise.
 246         * cse.c (check_dependence): Likewise.
 247         (cse_rtx_varies_p): Delete.
 248         * expr.c (safe_from_p): Update call to true_dependence.
 249         * ira.c (validate_equiv_mem_from_store): Likewise.
 250         (memref_referenced_p): Likewise.
 251         * postreload-gcse.c (find_mem_conflicts): Likewise.
 252         * sched-deps.c (sched_analyze_2): Likewise.
 253         * store-motion.c (load_kills_store): Likewise.
 254         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 255         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 256         (compute_transp): Update call to canon_true_dependence.
 257
 258 2012-01-25  Richard Henderson  <rth@redhat.com>
 259
 260         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 261         (maybe_emit_atomic_test_and_set): New.
 262         (expand_sync_lock_test_and_set): Use it.
 263         (expand_atomic_test_and_set): Likewise.
 264         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 265         the implementation; clarify implementation defined details.
 266         * doc/md.texi (atomic_test_and_set): Document.
 267
 268 2012-01-25  Richard Henderson  <rth@redhat.com>
 269
 270         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 271
 272 2012-01-25  Richard Henderson  <rth@redhat.com>
 273
 274         PR target/51968
 275         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 276         to effect no-op split.
 277
 278 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 279
 280         PR lto/51698
 281         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 282         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 283         (BT_FN_VOID_PTR_INT_SIZE): New.
 284         (BT_FN_UINT_UINT_VAR): Remove.
 285         (BT_FN_UINT32_UINT32_VAR): New.
 286         (BT_FN_DOUBLE_VPTR): Remove.
 287         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 288
 289         * gtm-builtins.def (_ITM_abortTransaction): Set return type to
 290         void.
 291         (_ITM_changeTransactionMode): Same.
 292         (_ITM_memmoveRtWt): Change return type to void.
 293         (_ITM_memcpyRtWt): Same.
 294         (_ITM_memsetW): Same.
 295         (_ITM_RaRD): Change types to double.
 296         (_ITM_RD): Same.
 297         (_ITM_RaWD): Same.
 298         (_ITM_RfWD): Same.
 299
 300         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 301
 302 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 303             Patrick Marlier  <patrick.marlier@gmail.com>
 304
 305         * trans-mem.c (requires_barrier): Do not instrument thread local
 306         variables and emit save/restore for them.
 307
 308 2012-01-24  Jason Merrill  <jason@redhat.com>
 309
 310         PR c++/51812
 311         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 312         output static aliases.
 313
 314 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 315
 316         PR driver/47249
 317         * common.opt (-pie, -shared, pie, shared): Change from Common to
 318         Driver.
 319         * gcc.c (display_help): Display help for -pie and -shared.
 320
 321 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 322
 323         PR target/49868
 324         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 325         Remove note on size/offset limitation.
 326         (AVR Variable Attributes): Add example how to read data located
 327         with progmem.  Refer to named address spaces.
 328         * doc/invoke.texi (AVR Options): Fix typo.
 329
 330 2012-01-24  Richard Guenther  <rguenther@suse.de>
 331
 332         Forward-port to trunk
 333         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 334
 335         PR middle-end/45678
 336         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 337         op0 isn't sufficiently aligned and there is movmisalignM
 338         insn for mode, use it to load op0 into a temporary register.
 339
 340 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 341
 342         PR target/51957
 343         * target.def (const_not_ok_for_debug_p): New hook.
 344         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 345         documentation.
 346         * doc/tm.texi: Regenerated.
 347         * dwarf2out.c (const_ok_for_output_1): If
 348         targetm.const_not_ok_for_debug_p returns true, fail.
 349         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 350         function.
 351         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 352
 353 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 354
 355         PR target/51900
 356         * config/i386/predicates.md (symbolic_operand): Allow
 357         UNSPEC_PCREL as PIC expression for lea.
 358         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 359         * config/i386/i386.c (ix86_delegitimize_address): Handle
 360         UNSPEC_PCREL for none-MEM, too.
 361
 362 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 363
 364         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 365         (ipa_tm_create_version_alias): Same.
 366
 367 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
 368
 369         PR libitm/51830
 370         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 371         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 372
 373 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 374             Patrick Marlier  <patrick.marlier@gmail.com>
 375             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 376
 377         PR lto/51916
 378         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 379         simple_object_start_read.
 380
 381 2012-01-23  Richard Guenther  <rguenther@suse.de>
 382
 383
 384         PR tree-optimization/51895
 385         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 386         parameter decomposition into BLKmode components.
 387
 388 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 389
 390         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 391         fake variables for restrict-qualified pointers whose pointed-to type
 392         contains a placeholder.
 393
 394 2012-01-23  Richard Guenther  <rguenther@suse.de>
 395
 396         PR tree-optimization/51949
 397         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 398
 399 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 400
 401         PR rtl-optimization/51933
 402         * ree.c (transform_ifelse): Return true right away if dstreg is
 403         already wider or equal to cand->mode.
 404         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 405         (make_defs_and_copies_lists): Remove defs_list and copies_list
 406         arguments, add state argument, just truncate state->work_list
 407         instead of always allocating and freeing the vector.  Assert that
 408         get_defs succeeds instead of returning 2.  Changed return type to bool.
 409         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 410         have ext_src_mode, see if it has been modified already with the
 411         right kind of extension and has been extended before from the
 412         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 413         just return true.  Remember the original mode in state->modified array.
 414         (combine_reaching_defs): Add state argument.  Don't allocate and
 415         free here def_list, copied_list and vec vectors, instead just
 416         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 417         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 418         Add state variable, clear vectors in it, initialize state.modified
 419         if needed.  Free all the vectors at the end and state.modified too.
 420         Don't skip a candidate if the extension expression has been modified.
 421
 422 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 423
 424         PR target/47096
 425         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 426          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 427         (extra_options) interix.opt -> i386/interix.opt"
 428         (extra_objs):Add winnt-stubs.o
 429         * configure.ac: Add interix to target_os .comm on PE check.
 430         * configure: Regenerate.
 431         * config/interix3.h: Delete and move bits to..
 432         * config/interix.h: Delete and move bits to..
 433         * config/i386/i386-interix3.h: Delete and move bits to..
 434         * config/i386/i386-interix.h: ..here.
 435         (TARGET_CPU_DEFAULT): Remove redefinition.
 436         (TARGET_ASM_CONSTRUCTOR): Undefine.
 437         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 438         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 439         (PTRDIFF_TYPE): Define.
 440         (LONG_DOUBLE_TYPE_SIZE): Define.
 441         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 442         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 443         (TARGET_SECTION_TYPE_FLAGS): Define.
 444         (ASM_DECLARE_FUNCTION_NAME): Define.
 445         (ASM_OUTPUT_EXTERNAL): Define.
 446         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 447         (ASM_OUTPUT_ALIGNED_BSS): Define.
 448         (PCC_BITFIELD_TYPE_MATTERS): Define.
 449         (USE_CONST_SECTION): Define.
 450         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 451         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 452         (SUPPORTS_ONE_ONLY): Remove.
 453         (I386_PE_STRIP_ENCODING): Define.
 454         * config/interix.opt: Delete and move bits to..
 455         * config/i386/interix.opt: ..here. New.
 456         (mpe-aligned-commons): Add.
 457         * config/i386/t-interix: Add copyright header.
 458         (winnt-stubs.o): Add rule.
 459
 460 2012-01-22  Jason Merrill  <jason@redhat.com>
 461
 462         PR c++/51832
 463         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 464         for extra name aliases.
 465
 466 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 467
 468         PR rtl-optimization/51924
 469         * ree.c (combine_set_extension): Improve debugging message.
 470         (combine_reaching_defs): Likewise.
 471         (get_defs): Rename confusingly named variable.
 472         (find_and_remove_re): Skip a candidate if the extension expression has
 473         been modified.
 474
 475 2012-01-21  Robert Millan  <rmh@gnu.org>
 476             Gerald Pfeifer  <gerald@pfeifer.com>
 477
 478         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 479         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 480
 481 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 482
 483         PR tree-optimization/51914
 484         * tree-vect-stmts.c (vectorizable_conversion): For
 485         cvt_type && modifier == WIDEN, put temporary with cvt_type
 486         at the beginning of vec_dsts and set vec_dest to temporary
 487         with vectype_out.
 488
 489 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 490
 491         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 492
 493 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 494
 495         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 496         * config/rs6000/rs6000.c: Likewise.
 497
 498 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 499
 500         PR target/51915
 501         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 502         output_move_double on a copy of operands array.
 503
 504 2012-01-20  Cary Coutant  <ccoutant@google.com>
 505             Dodji Seketeli  <dodji@redhat.com>
 506
 507         PR debug/45682
 508         * dwarf2out.c (copy_declaration_context): Return ref to parent
 509         of declaration DIE, if necessary.
 510         (remove_child_or_replace_with_skeleton): Add new parameter; update
 511         caller.  Place skeleton DIE under parent DIE of original declaration.
 512         Move call to copy_declaration_context to here ...
 513         (break_out_comdat_types): ... from here.
 514
 515 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 516
 517         PR rtl-optimization/51856
 518         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 519         flag to reloaded.
 520
 521 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 522
 523         PR target/51819
 524         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 525         hints for neon loads and stores.
 526
 527 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 528
 529         PR target/49868
 530         PR target/50887
 531         * doc/extend.texi (Named Address Spaces): Split into subsections.
 532         (AVR Named Address Spaces): New subsection.
 533         (M32C Named Address Spaces): New subsection.
 534         (RL78 Named Address Spaces): New subsection.
 535         (SPU Named Address Spaces): New subsection.
 536         (Variable Attributes): New anchor "AVR Variable Attributes".
 537         (AVR Variable Attributes): Rewrite and avoid wording
 538         "address space" in this context.
 539         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 540         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 541         (AVR Built-in Macros): New subsubsection therein.
 542         * doc/md.texi (AVR constraints): Remove "C04", "R".
 543
 544 2012-01-20  Richard Guenther  <rguenther@suse.de>
 545
 546         PR tree-optimization/51903
 547         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 548         when removing stmts.
 549
 550 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 551
 552         PR target/50313
 553         * config/arm/arm.c (arm_load_pic_register): Use
 554         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 555         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 556         (arm_pic_static_addr): Likewise.
 557         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 558         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 559         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 560         (pic_load_addr_unified): New.
 561
 562 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 563
 564         PR target/51106
 565         * function.c (instantiate_virtual_regs_in_insn): Use
 566         delete_insn_and_edges when removing a wrong asm insn.
 567
 568 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 569
 570         PR rtl-optimization/40761
 571         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 572         Add new member loop_num.
 573         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 574         (ira_build): Remove the parameter.
 575
 576         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 577         (ira.c): Do not build CFG loops for one region allocation.  Remove
 578         argument from ira_build call.
 579
 580         * ira-build.c (init_loop_tree_node): New function.
 581         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 582         loops are not built.
 583         (more_one_region_p): Check current_loops.
 584         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 585         built.
 586         (add_loop_to_tree): Process loop equal to NULL too.
 587         (form_loop_tree): Separate the case when CFG loops are not built.
 588         Use explicitly number for the root.
 589         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 590         an assertion.
 591         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 592         instead of loop->num.
 593         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 594         (mark_all_loops_for_removal): Ditto.
 595         (remove_unnecessary_regions): Separate the case when CFG loops
 596         are not built.
 597         (ira_build): Remove the parameter.  Use explicit number of regions
 598         when CFG loops are not built.
 599
 600         * ira-color.c (print_loop_title): Separate the case for the root node.
 601         Use loop_num instead of loop->num.
 602         (move_spill_restore): Use loop_num instead of loop->num.
 603
 604         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 605         (change_loop): Ditto.
 606         (change_loop): Use loop_num instead of loop->num.
 607
 608         * ira-lives.c (process_bb_node_lives): Ditto.
 609
 610         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 611
 612         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 613
 614 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 615
 616         PR libmudflap/40778
 617         * tree-mudflap.c (mf_artificial): New function.
 618         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 619         mx_register_decls, mudflap_enqueue_decl): Use it.
 620
 621         PR target/51876
 622         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 623         numbers in the insn pattern.
 624
 625 2012-01-19  Michael Matz  <matz@suse.de>
 626
 627         PR tree-optimization/46590
 628         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 629         use it in remembering which conflicts we already created.
 630         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 631         bitmap.
 632
 633 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 634
 635         PR lto/51280
 636         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 637         (merge_and_complain): Same.
 638
 639 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 640
 641         PR bootstrap/50237
 642         * config/initfini-array.h: Guard content of the header
 643         with #ifdef HAVE_INITFINI_ARRAY.
 644         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 645         Add initfini-array.h to tm_file here.
 646         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 647         * config.gcc: Don't add initfini-array.h to tm_file here.
 648         * configure: Regenerated.
 649
 650 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 651
 652         PR rtl-optimization/51505
 653         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 654         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 655         (df_note_bb_compute): Update the call to df_kill_notes.
 656
 657 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 658
 659         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 660
 661 2012-01-18  Richard Guenther  <rguenther@suse.de>
 662
 663         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 664         of conversions to void *.
 665
 666 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 667             Richard Sandiford  <rdsandiford@googlemail.com>
 668
 669         PR middle-end/50325
 670         PR middle-end/51192
 671         * optabs.h (simplify_expand_binop): Declare.
 672         * optabs.c (simplify_expand_binop): Make global.
 673         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 674         endian targets if the source cannot be exactly covered by word
 675         mode chunks.
 676
 677 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 678
 679         PR bootstrap/51872
 680         * hard-reg-set.h (struct hard_reg_set_container): New type.
 681         * target.h (struct hard_reg_set_container): Forward declare.
 682         * target.def (set_up_by_prologue): New target hook.
 683         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 684         * doc/tm.texi: Regenerated.
 685         * function.c (thread_prologue_and_epilogue_insns): Change
 686         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 687         Call targetm.set_up_by_prologue on it.
 688         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 689         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 690
 691 2012-01-17  Nick Clifton  <nickc@redhat.com>
 692
 693         * config/rx/rx.c (rx_can_use_simple_return): New function.
 694         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 695         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 696
 697 2012-01-17  Richard Guenther  <rguenther@suse.de>
 698
 699         PR middle-end/51782
 700         * expr.c (expand_assignment): Take address-space information
 701         from the address operand of MEM_REF and TARGET_MEM_REF.
 702         (expand_expr_real_1): Likewise.
 703
 704 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 705
 706         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 707         reload dump is requested.
 708
 709 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 710
 711         PR other/51165
 712         * trans-mem.c (requires_barrier): Call may_be_aliased.
 713
 714 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 715
 716         PR tree-optimization/51877
 717         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 718         call arguments and fndecls compare equal, instead return false if they
 719         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 720         both SSA_NAMEs that are valueized the same, or they satisfy
 721         operand_equal_p.
 722
 723 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 724
 725         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 726         Solaris 11+.
 727         * configure: Regenerate.
 728
 729 2012-01-16  Jan Hubicka  <jh@suse.cz>
 730
 731         PR c/12245
 732         PR c++/14179
 733         * convert.c (convert_to_integer): Use fold_convert for
 734         converting an INTEGER_CST to integer type.
 735
 736 2012-01-16  Jason Merrill  <jason@redhat.com>
 737
 738         PR c++/14179
 739         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 740
 741 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 742
 743         PR bootstrap/51860
 744         * config/s390/s390.c (s390_chunkify_start): Don't skip
 745         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 746         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 747         If insn is followed by NOTE_INSN_VAR_LOCATION or
 748         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 749         Don't use location of note insns.
 750
 751         PR tree-optimization/51865
 752         * tree-inline.c (tree_function_versioning): Call remap_decl
 753         on DECL_RESULT whenever it has VOID_TYPE_P type.
 754
 755 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 756
 757         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 758         for calls to locally-binding MIPS16 functions if only the return
 759         type uses float regs.
 760
 761 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 762             Richard Sandiford  <rdsandiford@googlemail.com>
 763
 764         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 765         (SYMBOL_32_HIGH): Likewise.
 766         (mips_output_tls_reloc_directive): Declare.
 767         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 768         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 769         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 770         (mips_lo_relocs, mips_hi_relocs): Make extern.
 771         (mips16_stub_function): Move up file.
 772         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 773         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 774         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 775         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 776         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 777         (mips_get_tp): Add MIPS16 support.
 778         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 779         Generalize DTPREL and TPREL handling.
 780         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 781         Add MIPS16 TLS support.
 782         (mips_output_tls_reloc_directive): New function.
 783         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 784         * config/mips/predicates.md (symbolic_operand_with_high)
 785         (tls_reloc_operand): New predicates.
 786         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 787         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 788         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 789         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
 790         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 791         (*tls_get_tp_mips16_call_<mode>): Likewise.
 792
 793 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 794
 795         PR rtl-optimization/51821
 796         * recog.c (peep2_find_free_register): Determine clobbered registers
 797         from insn pattern.
 798
 799 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 800
 801         PR target/50925
 802         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 803         * config/avr/avr.c: Likewise.
 804         * config/avr/avr.h: Likewise.
 805
 806 2012-01-13  Ian Lance Taylor  <iant@google.com>
 807
 808         PR c++/50012
 809         * tree.h (TYPE_QUALS): Add cast to int.
 810         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 811
 812 2012-01-13  Ian Lance Taylor  <iant@google.com>
 813
 814         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 815         comparing param_index to VEC_length result.
 816
 817 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 818
 819         * c-decl.c: Do not include tree-mudflap.h
 820         * tree-optimize.c: Likewise.
 821         * Makefile.in: Update dependencies.
 822
 823 2012-01-13  Richard Guenther  <rguenther@suse.de>
 824
 825         PR middle-end/8081
 826         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 827         variable-sized result always use RSO.
 828
 829 2012-01-12  DJ Delorie  <dj@redhat.com>
 830
 831         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 832         pointer type, not just the default pointer type.
 833
 834 2012-01-09  Richard Henderson  <rth@redhat.com>
 835             Denis Chertykov  <chertykov@gmail.com>
 836
 837         PR target/50925
 838         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 839         * config/avr/avr.c (avr_can_eliminate): Simplify.
 840         (avr_initial_elimination_offset): Likewise.
 841         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 842         (expand_epilogue): Likewise.
 843         (avr_legitimize_address): Gut.
 844         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 845         (avr_hard_regno_nregs): New.
 846         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 847         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 848         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 849         add soft frame pointer.
 850         (CALL_USED_REGISTERS): Likewise.
 851         (REG_CLASS_CONTENTS): Likewise.
 852         (REGISTER_NAMES): Likewise.
 853         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 854         (HARD_FRAME_POINTER_REGNUM): New.
 855         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 856         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 857         remove the HARD_FRAME_POINTER self-elimination.
 858
 859 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 860
 861         PR target/51756
 862         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 863         DECL_EXTERNAL when checking for initializers of progmem variables.
 864
 865 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 866
 867         PR tree-optimization/51799
 868         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 869         that the last operation is a type demotion.
 870
 871 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 872
 873         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 874         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 875
 876 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 877
 878         PR bootstrap/51796
 879         * combine.c (distribute_notes): If i3 is a noreturn call,
 880         allow old_size to be equal to args_size and make sure the
 881         noreturn call gets REG_ARGS_SIZE note.
 882         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 883         on noreturn calls even when the delta is 0.
 884
 885 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 886
 887         * gcov.c (STRING_SIZE): Remove.
 888         (generate_results): Erase annotations for source files with no
 889         coverage information.
 890         (read_line): New.
 891         (output_lines): Use it.
 892
 893 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 894
 895         * gimple.h (gimplify_body): Remove first argument.
 896         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 897         pointer set here, instead just pass DATA to walk_tree.
 898         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 899         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 900         (unvisit_body): Likewise, but with unmark_visited.
 901         (gimplify_body): Remove BODY_P argument and adjust.
 902         (gimplify_function_tree): Adjust call to gimplify_body.
 903         * omp-low.c (finalize_task_copyfn): Likewise.
 904
 905 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 906
 907         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 908         (build_function_type_skip_args): Delete.
 909         * tree.c (build_function_type_skip_args): Make static and add
 910         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 911         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 912         pass it to build_function_type_skip_args.
 913         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 914         (tree_function_versioning): Likewise.
 915         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 916         build_function_decl_skip_args.
 917         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 918         and pass it to build_function_decl_skip_args/tree_function_versioning.
 919         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 920         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 921         * trans-mem.c (ipa_tm_create_version): Likewise.
 922         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 923         * tree-inline.c (declare_return_variable): Remove always-true test.
 924         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 925         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 926         * ipa-split.c (split_function): Skip the return value for the split
 927         part if it doesn't return.
 928
 929 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 930
 931         PR tree-optimization/49642
 932         * ipa-split.c (forbidden_dominators): New variable.
 933         (check_forbidden_calls): New function.
 934         (dominated_by_forbidden): Likewise.
 935         (consider_split): Check for forbidden dominators.
 936         (execute_split_functions): Initialize and free forbidden
 937         dominators info; call check_forbidden_calls.
 938
 939 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 940
 941         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 942
 943 2012-01-11  Nick Clifton  <nickc@redhat.com>
 944
 945         * config/rx/rx.md (return): Define pattern.
 946
 947 2012-01-11  Richard Guenther  <rguenther@suse.de>
 948
 949         * doc/extend.texi (malloc attribute): Adjust according to
 950         implementation.
 951
 952 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 953             Patrick Marlier  <patrick.marlier@gmail.com>
 954
 955         PR middle-end/51516
 956         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 957         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 958         (ipa_tm_note_irrevocable): Same.
 959         (ipa_tm_scan_irr_block): Same.
 960         (ipa_tm_decrement_clone_counts): Same.
 961         (ipa_tm_scan_irr_function): Same.
 962         (ipa_tm_create_version_alias): Same.
 963         (ipa_tm_create_version): Same.
 964         (ipa_tm_transform_calls_redirect): Same.
 965         (ipa_tm_transform_calls): Same.
 966         (ipa_tm_transform_transaction): Same.
 967         (ipa_tm_execute): Same.
 968
 969 2012-01-10  Richard Guenther  <rguenther@suse.de>
 970
 971         PR middle-end/51806
 972         * opts.c (common_handle_option): Handle -Werror.
 973
 974 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 975
 976         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 977         operand number.
 978
 979 2012-01-10  Jason Merrill  <jason@redhat.com>
 980
 981         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 982         information.
 983
 984 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 985
 986         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 987         supports R_386_TLS_GD_PLT reloc.
 988         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 989         supports R_386_TLS_LDM_PLT reloc.
 990         * configure: Regenerate.
 991         * config.in: Regenerate.
 992
 993 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 994
 995         PR target/49868
 996         Extend __pgmx semantics to linearize memory.
 997         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 998         determine if code comes inline or from libgcc.
 999         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1000         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1001         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1002         (movmemx_qi, movmemx_hi): New insns.
1003         (xload_<mode>_libgcc): Rewrite to new insn condition.
1004         (xload_<mode>): Remove insns.
1005         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1006         cases that don't satisfy avr_xload_libgcc_p().
1007         (avr_addr_space_convert): Allow converting in any direction.
1008         (avr_addr_space_subset_p): Return always true.
1009         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1010         (avr_emit_movmemhi): Ditto.
1011         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1012         (avr_out_movmem): Ditto.
1013         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1014         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1015         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1016         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1017         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1018
1019 2012-01-10  Richard Guenther  <rguenther@suse.de>
1020
1021         PR tree-optimization/50913
1022         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1023         Require data-refs to be representable by Graphite with respect
1024         to any loop nest.
1025
1026 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1029         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1030
1031 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1032
1033         PR rtl-optimization/51271
1034         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1035         handling annulled branch.
1036
1037 2012-01-10  Richard Henderson  <rth@redhat.com>
1038
1039         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1040         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1041         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1042         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1043         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1044         arm_expand_vec_perm_const): New.
1045         * config/arm/arm-protos.h: Update.
1046         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1047         (*neon_vswp<VDQX>): New.
1048         (neon_vcombine<VDX>): Use neon_split_vcombine.
1049         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1050         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1051         (vec_perm<VE>): New.
1052
1053 2012-01-10  Richard Henderson  <rth@redhat.com>
1054
1055         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1056         use it if reload_completed.
1057         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1058         arm_output_asm_insn, arm_process_output_memory_barrier,
1059         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1060         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1061         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1062         arm_process_output_sync_insn, arm_output_sync_insn,
1063         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1064         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1065         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1066         (emit_unlikely_jump): New.
1067         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1068         (arm_split_atomic_op): New.
1069         * config/arm/arm-protos.h: Update.
1070         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1071         (struct arm_sync_generator): Remove.
1072         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1073         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1074         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1075         (VUNSPEC_LL, VUNSPEC_SC): New.
1076         (sync_result, sync_memory, sync_required_value, sync_new_value,
1077         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1078         (attr length): Don't use arm_sync_loop_insns.
1079         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1080         (movsfcc, movdfcc): Likewise.
1081         * config/arm/constraints.md (Ua): New.
1082         * config/arm/prediates.md (mem_noofs_operand): New.
1083         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1084         (sync_clobber, sync_t2_reqd): Remove.
1085         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1086         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1087         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1088         (arm_sync_compare_and_swap<SIDI>): Remove.
1089         (arm_sync_compare_and_swap<NARROW>): Remove.
1090         (arm_sync_lock_test_and_set<SIDI>): Remove.
1091         (arm_sync_lock_test_and_set<NARROW>): Remove.
1092         (arm_sync_new_<syncop><SIDI>): Remove.
1093         (arm_sync_new_<syncop><NARROW>): Remove.
1094         (arm_sync_new_nand<SIDI>): Remove.
1095         (arm_sync_new_nand<NARROW>): Remove.
1096         (arm_sync_old_<syncop><SIDI>): Remove.
1097         (arm_sync_old_<syncop><NARROW>): Remove.
1098         (arm_sync_old_nand<SIDI>): Remove.
1099         (arm_sync_old_nand<NARROW>): Remove.
1100         (*memory_barrier): Merge arm_output_memory_barrier.
1101         (atomic_compare_and_swap<QHSD>): New.
1102         (atomic_compare_and_swap<NARROW>_1): New.
1103         (atomic_compare_and_swap<SIDI>_1): New.
1104         (atomic_exchange<QHSD>): New.
1105         (cas_cmp_operand, cas_cmp_str): New.
1106         (atomic_op_operand, atomic_op_str): New.
1107         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1108         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1109         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1110         (arm_load_exclusive<NARROW>): New.
1111         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1112         (arm_store_exclusive<QHSD>): New.
1113
1114 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1115
1116         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1117         reload patterns if -mvsx-scalar-memory.
1118
1119         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1120         generated, even -mno-vsx-scalar-double was used.
1121         (vsx_xscvdpsp_scalar): Likewise.
1122         (vsx_xscvspdp_scalar2): Likewise.
1123
1124 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1125             Andrew Pinski  <apinski@cavium.com>
1126
1127         PR debug/51471
1128         * reorg.c (fill_slots_from_thread): Don't speculate
1129         frame-related insns.
1130
1131 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1132
1133         * sched-int.h (bb_note): Move to...
1134         * basic-block.h: ...here.
1135         * haifa-sched.c (bb_note): Move to...
1136         * cfgrtl.c: ...here.
1137         * function.c (next_block_for_reg): New function.
1138         (move_insn_for_shrink_wrap): Likewise.
1139         (prepare_shrink_wrap): Rewrite to use the above.
1140
1141 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1142
1143         * gimple.c (is_gimple_non_addressable): Remove.
1144         * gimple.h: Remove is_gimple_non_addressable.
1145         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1146         is_gimple_non_addressable.
1147         * trans-mem.c (expand_assign_tm): Same.
1148
1149 2012-01-09  Richard Guenther  <rguenther@suse.de>
1150
1151         PR tree-optimization/51775
1152         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1153         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1154
1155 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1156
1157         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1158         tuning parameters.
1159         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1160
1161 2012-01-09  Richard Guenther  <rguenther@suse.de>
1162
1163         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1164
1165 2012-01-08  Jan Hubicka  <jh@suse.cz>
1166
1167         PR tree-optimize/51680
1168         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1169         on when known_vals needs to be computed; cleanup.
1170
1171 2012-01-08  Jan Hubicka  <jh@suse.cz>
1172
1173         PR tree-optimize/51694
1174         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1175
1176 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1177
1178         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1179         for -std=c++98 and -std=c++11 too.
1180
1181 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1182
1183         * cfgloop.c (cancel_loop): Add free() of bbs array.
1184
1185 2012-01-07  Jan Hubicka  <jh@suse.cz>
1186
1187         PR tree-optimization/51600
1188         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1189         that benefits small functions.
1190
1191 2012-01-07  Jan Hubicka  <jh@suse.cz>
1192
1193         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1194
1195 2012-01-07  Jan Hubicka  <jh@suse.cz>
1196
1197         PR tree-optimization/51680
1198         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1199         whose inlining reduce unit size.
1200
1201 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1202
1203         PR bootstrap/51725
1204         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1205         Add canonical node to containing_mem chain after the non-canonical
1206         one, even if there weren't any locs to propagate.
1207         (remove_useless_values): Keep only canonical values.
1208         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1209         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1210         canonicalize mem_chain elements that are not discarded.
1211
1212 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1213
1214         PR target/47333
1215         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1216         before emitting functions.
1217
1218         PR gcov-profile/50127
1219         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1220         clear_aux_for_blocks.
1221
1222 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1223
1224         PR debug/51746
1225         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1226
1227 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1228
1229         * c-decl.c (ext_block): Moved up.
1230         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1231
1232 2012-01-06  Han Shen  <shenhan@google.com>
1233
1234         Translate built-in include paths for sysroot.
1235         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1236         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1237
1238         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1239         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1240
1241         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1242         control whether sysroot should be prepended to gxx include dir.
1243
1244         * configure: Regenerate.
1245
1246 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1247
1248         PR rtl-optimization/51771
1249         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1250         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1251
1252 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1253
1254         PR tree-optimization/51315
1255         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1256         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1257
1258 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1259
1260         PR target/51681
1261         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1262         for shrp pattern.  Correctly handle and fixup shift variable.
1263         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1264
1265 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1266
1267         PR debug/51762
1268         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1269         note when !ACCUMULATE_OUTGOING_ARGS.
1270
1271 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1272
1273         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1274         condition.
1275         (extract_range_from_unary_expr_1): Avoid useless computations.
1276
1277 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1278
1279         PR rtl-optimization/51767
1280         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1281         of jump_block and add an extra edge for degenerated asm gotos.
1282
1283         PR middle-end/51768
1284         * stmt.c (check_unique_operand_names): Don't ICE during error
1285         reporting if i is from labels chain.
1286
1287         PR middle-end/44777
1288         * profile.c (branch_prob): Split bbs that have exit edge
1289         and need a fake entry edge too.
1290
1291 2012-01-05  Jan Hubicka  <jh@suse.cz>
1292
1293         PR middle-end/49710
1294         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1295         unlooping loops.
1296
1297 2012-01-05  Richard Guenther  <rguenther@suse.de>
1298
1299         PR lto/50490
1300         * tree-streamer-out.c (write_ts_optimization): New function.
1301         (streamer_write_tree_body): Call it.
1302         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1303         (streamer_read_tree_body): Call it.
1304         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1305
1306 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1307
1308         PR middle-end/51761
1309         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1310         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1311         in_cleanup_point_expr before gimplify_stmt call and restore it
1312         afterwards.
1313         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1314         in_cleanup_point_expr is false.
1315
1316 2012-01-05  Richard Guenther  <rguenther@suse.de>
1317
1318         PR middle-end/51764
1319         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1320         to c.opt.
1321         * toplev.c (process_options): Reject combining mudflap and LTO.
1322         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1323
1324 2012-01-05  Richard Guenther  <rguenther@suse.de>
1325
1326         PR tree-optimization/51760
1327         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1328         not VARYING.
1329         (bit_value_unop): Handle UNDEFINED operands.
1330         (bit_value_binop): Likewise.
1331
1332 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1333
1334         * config/avr/avr.c (avr_replace_prefix): Remove.
1335         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1336         (avr_asm_function_rodata_section): Ditto.
1337         (avr_asm_select_section): Ditto.
1338
1339 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1340
1341         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1342         insertion.
1343
1344 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1345
1346         PR bootstrap/51648
1347         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1348         calls that have any non-fake successor edges.
1349
1350         PR debug/51746
1351         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1352
1353 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1354
1355         PR tree-optimization/51624
1356         * tree-sra.c (build_ref_for_model): When replicating a chain of
1357         COMPONENT_REFs, stop as soon as the offset would become negative.
1358
1359 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1360
1361         PR debug/51695
1362         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1363         in .debug_loc on the floor.
1364
1365 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1366
1367         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1368
1369 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1370             Adam Nemet  <anemet@caviumnetworks.com>
1371
1372         * config/mips/mips.md (size): Add SI and DI.
1373         (SIZE): New mode attribute.
1374         (U): New code attribute.
1375         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1376         (mips_lbux_<mode>): Delete.
1377         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1378         (mips_lhx): Use gen_mips_lhx_extsi.
1379         (mips_lhx_<mode>): Delete.
1380         (mips_lwx): Delete.
1381         (mips_l<size>x): New expand.
1382         (mips_lwx_<mode>): Delete.
1383         (mips_l<GPR:size>x_<P:mode>): New pattern.
1384         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1385         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1386         * config/mips/mips.c (mips_lx_address_p): New function.
1387         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1388         (dsp64): New availability predicate.
1389         (mips_builtins): Add an entry for __builtin_mips_ldx.
1390         * config/mips/mips.h (ISA_HAS_LBX): New define.
1391         (ISA_HAS_LBUX): Likewise.
1392         (ISA_HAS_LHX): Likewise.
1393         (ISA_HAS_LHUX): Likewise.
1394         (ISA_HAS_LWX): Likewise.
1395         (ISA_HAS_LWUX): Likewise.
1396         (ISA_HAS_LDX): Likewise.
1397         * doc/extend.texi (__builtin_mips_ldx): Document.
1398
1399 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1400
1401         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1402         when long pointers are used.
1403         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1404         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1405         (ia64-hp-*vms*): Remove.
1406         * config/vms/xm-vms64.h: Delete.
1407
1408 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1409
1410         PR middle-end/51472
1411         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1412
1413 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1414
1415         * opts.c (finish_options): Remove duplicate sorry.
1416
1417 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1418
1419         PR middle-end/51696
1420         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1421         correctly.
1422
1423 2012-01-04  Richard Guenther  <rguenther@suse.de>
1424
1425         PR middle-end/51750
1426         * tree.c (size_low_cst): New function.
1427         * tree.h (size_low_cst): Declare.
1428         * fold-const.c (fold_comparison): Use it to extract the low
1429         part of the POINTER_PLUS_EXPR offset.
1430
1431 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1432
1433         Fix clearing ZERO_REG
1434         * config/avr/avr.md (cc): Add alternative "ldi".
1435         (movqi_insn): Use it in cc attribute.
1436         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1437         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1438         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1439
1440 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1441
1442         * configure: Regenerate.
1443
1444 2012-01-04  Richard Guenther  <rguenther@suse.de>
1445
1446         PR tree-optimization/49651
1447         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1448         (var_can_have_subvars): Use it.
1449         (get_constraint_for_1): Only consider subfields if there can be any.
1450
1451 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1452
1453         PR bootstrap/51725
1454         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1455         to its new canonical_cselib_val and the cselib_val was in
1456         first_containing_mem chain, but the canonical_cselib_val was not,
1457         add the latter into the chain.
1458         (cselib_invalidate_mem): Compare canonical_cselib_val of
1459         addr_list chain elt with v.
1460
1461         PR pch/51722
1462         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1463         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1464         of xstrdup.
1465         (output_macinfo_op): Don't ggc_strdup fd->filename.
1466         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1467         then ggc_strdup it.  Don't free inc->info or cur->info.
1468         (output_macinfo): Don't free ref->info or file->info.
1469
1470 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1471
1472         PR tree-optimization/51269
1473         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1474         first_niters a pointer.
1475         (slpeel_tree_peel_loop_to_edge): Likewise.
1476         (vect_do_peeling_for_loop_bound): Update call to
1477         slpeel_tree_peel_loop_to_edge.
1478         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1479         here.  Remove it from the parameters list.
1480         (vect_do_peeling_for_alignment): Update calls and compute
1481         wide_prolog_niters.
1482
1483 2012-01-03  Richard Guenther  <rguenther@suse.de>
1484
1485         PR tree-optimization/51070
1486         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1487         Properly handle calls.
1488
1489 2012-01-03  Richard Guenther  <rguenther@suse.de>
1490
1491         PR tree-optimization/51692
1492         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1493         the LHS of allocation stmts.
1494
1495 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1496
1497         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1498
1499 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1500
1501         * collect2.c (main): In AIX specific computations for vector
1502         insertions, use CONST_CAST2 to cast from char ** to const char **.
1503
1504 2012-01-03  Richard Guenther  <rguenther@suse.de>
1505
1506         PR debug/51650
1507         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1508         the context of a limbo DIE when it does not already exist.
1509
1510 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1511
1512         PR tree-optimization/51719
1513         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1514         but direct call is, clear direct call's lhs and don't add fallthrough
1515         edge from dcall_bb to join_bb and PHIs.
1516
1517 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1518
1519         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1520         the instructions emitted by the pattern.
1521         ("*TDC_insn_<mode>"): Add comment.
1522
1523 2012-01-03  Richard Guenther  <rguenther@suse.de>
1524
1525         PR middle-end/51730
1526         * fold-const.c (fold_comparison): Properly canonicalize
1527         tree offset and HOST_WIDE_INT bit position.
1528
1529 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1530
1531         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1532         operands for extzv pattern.
1533
1534 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1535
1536         PR bootstrap/51725
1537         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1538         on mem_elt first.
1539
1540 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1541
1542         * doc/invoke.texi (-flto and related options): Copy-edit.
1543
1544 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1545
1546         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1547
1548 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1549
1550         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1551         New patterns.
1552
1553 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1554
1555         * expr.h (move_by_pieces_ninsns): Declare.
1556         * expr.c (move_by_pieces_ninsns): Make external.
1557         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1558         (mips_store_by_pieces_p): Likewise.
1559         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1560         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1561         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1562         (mips_store_by_pieces_p): Likewise.
1563
1564 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1565
1566         * passes.c (register_one_dump_file): Free full_name.
1567
1568         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1569         (calculate_elim_costs_all_insns): Free offsets_at and
1570         offsets_known_at at the end and clear the pointers.
1571
1572 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1573
1574         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1575         this option introduced in r180739.
1576
1577 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1578
1579         PR target/51345
1580         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1581         (tmake_file target=avr): Add avr/t-multilib.
1582
1583         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1584         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1585         * config/avr/genmultilib.awk: New file.
1586         * config/avr/t-multilib: New auto-generated file.
1587         * config/avr/multilib.h: New auto-generated file.
1588         * config/avr/t-avr (AVR_MCUS): New variable.
1589         (genopt.sh): Use it.
1590         (s-mlib): Depend on t-multilib.
1591         (t-multilib, multilib.h): New dependencies.
1592         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1593         (MULTILIB_OPTIONS): Remove.
1594         (MULTILIB_MATCHES): Remove.
1595         (MULTILIB_DIRNAMES): Remove.
1596         (MULTILIB_EXCEPTIONS): Remove:
1597         * config/avr/genopt.sh: Don't use hard coded file name;
1598         pass AVR_MCUS from t-avr instead.
1599
1600 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1601
1602         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1603
1604 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1605
1606         Implement light-weight DImode support.
1607         * config/avr/avr-dimode.md: New file.
1608         * config/avr/avr.md: Include it.
1609         (adjust_len): Add plus64, compare64.
1610         (HIDI): Remove code iterator.
1611         (code_stdname): New code attribute.
1612         (rotx, rotsmode): Remove DI.
1613         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1614         as code iterator.
1615         * config/avr/avr-protos.h (avr_have_dimode): New.
1616         (avr_out_plus64, avr_out_compare64): New.
1617         * config/avr/avr.c (avr_out_compare): Handle DImode.
1618         (avr_have_dimode): New variable definition and initialization.
1619         (avr_out_compare64, avr_out_plus64): New functions.
1620         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1621         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1622         (avr_compare_pattern): Skip DImode comparisons.
1623
1624 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1625
1626         * ddg.c (def_has_ccmode_p): New function.
1627         (add_cross_iteration_register_deps,
1628         create_ddg_dep_from_intra_loop_link): Call it.
1629
1630 2012-01-02  Richard Guenther  <rguenther@suse.de>
1631
1632         PR other/51679
1633         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1634
1635 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1636
1637         * gcc.c (process_command): Update copyright notice dates.
1638         * gcov.c (print_version): Likewise.
1639         * gcov-dump.c (print_version): Likewise.
1640         * mips-tfile.c (main): Likewise.
1641         * mips-tdump.c (main): Likewise.
1642
1643 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1644
1645         PR tree-optimization/51704
1646         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1647         a use is inside the basic block or loop before accessing its vect info.
1648
1649 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1650
1651         PR rtl-optimization/51069
1652         * cfgloopmanip.c (remove_path): Removing path making irreducible
1653         region unconditional makes BB part of the region.
1654
1655 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1656
1657         PR tree-optimization/51683
1658         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1659         calls with side-effects.
1660         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1661 \f
1662 Copyright (C) 2012 Free Software Foundation, Inc.
1663
1664 Copying and distribution of this file, with or without modification,
1665 are permitted in any medium without royalty provided the copyright
1666 notice and this notice are preserved.