gcc/ChangeLog

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