gcc/ChangeLog

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