gcc/ChangeLog

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