gcc/ChangeLog

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