gcc/ChangeLog

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