gcc/ChangeLog

   1 2012-01-27  Richard Guenther  <rguenther@suse.de>
   2
   3         PR middle-end/51959
   4         * expr.c (store_field): Use the alias-set of the scratch memory
   5         for storing to it.
   6
   7 2012-01-27  Tom de Vries  <tom@codesourcery.com>
   8
   9         PR tree-optimization/51990
  10         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR.
  11         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
  12
  13 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
  14
  15         PR debug/52001
  16         * var-tracking.c (reverse_op): Don't add any reverse operation
  17         if V already has any constant locations.
  18
  19 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  20
  21         * doc/invoke.texi: Correct usage of "command line" (noun)
  22         vs "command-line" (adjective) throughout.
  23
  24 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  25
  26         * doc/invoke.texi (Language Independent Options): Move
  27         -Wcoverage-mismatch blurb from here....
  28         (Warning Options): ...to here.
  29
  30 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
  31
  32         * config/rs6000/rs6000.c (rs6000_option_override_internal):
  33         Set rs6000_always_hint to false for 476.
  34
  35 2012-01-27  Matthias Klose  <doko@ubuntu.com>
  36
  37         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
  38           system root.
  39         * incpath.c (add_standard_paths): Likewise.
  40
  41 2012-01-27  Richard Henderson  <rth@redhat.com>
  42
  43         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  44         * config/m68k/sync.md (atomic_test_and_set): Rename from
  45         sync_test_and_setqi and adjust the operands.
  46         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
  47         and unconditionally enable.
  48
  49 2012-01-27  Richard Henderson  <rth@redhat.com>
  50
  51         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  52         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
  53         (ldstub): Rename from ldstubqi.
  54         (ldstub<I24MODE>): Remove.
  55
  56 2012-01-27  Richard Henderson  <rth@redhat.com>
  57
  58         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  59         * c-cppbuiltin.c (cpp_atomic_builtins): Define
  60         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
  61         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
  62         * doc/tm.texi: Rebuild.
  63
  64 2012-01-27  Richard Henderson  <rth@redhat.com>
  65
  66         * optabs.c (gen_atomic_test_and_set): Remove default.
  67         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
  68
  69 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
  70
  71         PR rtl-optimization/51978
  72         * ree.c (make_defs_and_copies_lists): Change set_pat type
  73         to const_rtx.
  74         (combine_reaching_defs): Likewise.
  75         (struct re_info): Remove.
  76         (add_removable_extension): Remove x and data arguments,
  77         add insn, insn_list and def_map.  Use the arguments directly
  78         instead of using struct re_info.
  79         (find_removable_extensions): Don't call add_removable_extension
  80         through note_stores, instead just call it with single_set
  81         result if non-NULL.
  82         (find_and_remove_re): Pass curr_cand->expr instead of
  83         PATTERN (curr_cand->insn) as set_pat argument to
  84         combine_reaching_defs.
  85
  86 2012-01-26  Michael Matz  <matz@suse.de>
  87
  88         PR tree-optimization/46590
  89         * cfgexpand.c: Revert last change (r183305).
  90         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
  91         regs.
  92         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
  93         checking for emptiness.
  94
  95 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
  96
  97         PR middle-end/51895
  98         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
  99         non-addressable non-BLKmode base correctly.
 100
 101 2012-01-26  Michael Matz  <matz@suse.de>
 102
 103         PR tree-optimization/48794
 104         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 105         regions referenced from RESX/EH_DISPATCH.
 106
 107 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 108
 109         * config/s390/s390.h: Make BRANCH_COST an option.
 110         * config/s390/s390.opt: New option -mbranch-cost.
 111
 112 2012-01-26  Richard Henderson  <rth@redhat.com>
 113
 114         Revert 2012-01-24 change:
 115         * trans-mem.c (requires_barrier): Do not instrument thread local
 116         variables and emit save/restore for them.
 117
 118 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 119
 120         PR middle-end/51986
 121         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 122         for pat == 0.
 123
 124 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 125
 126         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 127         ASM_OPERANDS.
 128
 129 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 130
 131         PR target/49868
 132         Rename __pgm to __flash.
 133         Rename __pgm1 to __flash1.
 134         Rename __pgm2 to __flash2.
 135         Rename __pgm3 to __flash3.
 136         Rename __pgm4 to __flash4.
 137         Rename __pgm5 to __flash5.
 138         Rename __pgmx to __memx.
 139         * doc/extend.texi (AVR Named Address Spaces)
 140         Rename address space names as indicated above.
 141         * config/avr/avr.c (avr_addrspace): Ditto.
 142
 143         * config/avr/avr-protos.h
 144         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 145         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 146         * config/avr/predicates.md: Ditto.
 147         * config/avr/avr.c Ditto, and
 148         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 149         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 150
 151         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 152         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 153         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 154         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 155         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 156         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 157         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 158         * config/avr/avr.c: Ditto.
 159         * config/avr/avr.md: Ditto.
 160
 161 2012-01-25  Jason Merrill  <jason@redhat.com>
 162
 163         PR c++/51992
 164         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 165
 166 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 167
 168         PR tree-optimization/51987
 169         * tree-data-ref.c (get_references_in_stmt): Handle references in
 170         non-volatile GIMPLE_ASM.
 171
 172 2012-01-25  Richard Guenther  <rguenther@suse.de>
 173
 174         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 175         bases are dereferenced.
 176
 177 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 178
 179         PR rtl-optimization/48374
 180         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 181
 182 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 183
 184         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 185         compute_data_dependences_for_loop returns false.
 186         * tree-parloops.c (loop_parallel_p): Likewise.
 187
 188 2012-01-25  Richard Guenther  <rguenther@suse.de>
 189
 190         * tree.h (get_pointer_alignment_1): Declare.
 191         * builtins.c (get_pointer_alignment_1): New function.
 192         (get_pointer_alignment): Use it.
 193
 194 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 195
 196         PR rtl-optimization/48308
 197         * combine.c (enum undo_kind): Add UNDO_LINKS.
 198         (struct undo): Add member l to other_contents and where.
 199         (do_SUBST_LINK): New.
 200         (SUBST_LINK): New.
 201         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 202         (undo_all): Handle UNDO_LINKS.
 203
 204 2012-01-25  Richard Henderson  <rth@redhat.com>
 205
 206         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 207         mem inputs.
 208
 209 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 210
 211         * optabs.c (gen_atomic_test_and_set): Use each argument.
 212
 213 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 214
 215         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 216         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 217         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 218         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 219         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 220         TARGET_PAIRED_SINGLE_FLOAT.
 221
 222 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 223
 224         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 225         (in_struct, return_val): Remove MEM documentation.
 226         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 227         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 228         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 229         and MEM_SCALAR.
 230         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 231         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 232         * expr.c (store_field): Likewise.
 233         * function.c (assign_stack_temp_for_type): Likewise.
 234         * ifcvt.c (noce_try_cmove_arith): Likewise.
 235         * reload1.c (reload): Likewise.
 236         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 237         (alpha_set_memflags): Likewise.
 238         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 239
 240 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 241
 242         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 243         parameter.
 244         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 245         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 246         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 247         varies parameter.
 248         * cselib.c (cselib_rtx_varies_p): Delete.
 249         (cselib_invalidate_mem): Update call to canon_true_dependence.
 250         * dse.c (record_store, check_mem_read_rtx): Likewise.
 251         (scan_reads_nospill): Likewise.
 252         * cse.c (check_dependence): Likewise.
 253         (cse_rtx_varies_p): Delete.
 254         * expr.c (safe_from_p): Update call to true_dependence.
 255         * ira.c (validate_equiv_mem_from_store): Likewise.
 256         (memref_referenced_p): Likewise.
 257         * postreload-gcse.c (find_mem_conflicts): Likewise.
 258         * sched-deps.c (sched_analyze_2): Likewise.
 259         * store-motion.c (load_kills_store): Likewise.
 260         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 261         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 262         (compute_transp): Update call to canon_true_dependence.
 263
 264 2012-01-25  Richard Henderson  <rth@redhat.com>
 265
 266         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 267         (maybe_emit_atomic_test_and_set): New.
 268         (expand_sync_lock_test_and_set): Use it.
 269         (expand_atomic_test_and_set): Likewise.
 270         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 271         the implementation; clarify implementation defined details.
 272         * doc/md.texi (atomic_test_and_set): Document.
 273
 274 2012-01-25  Richard Henderson  <rth@redhat.com>
 275
 276         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 277
 278 2012-01-25  Richard Henderson  <rth@redhat.com>
 279
 280         PR target/51968
 281         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 282         to effect no-op split.
 283
 284 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 285
 286         PR lto/51698
 287         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 288         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 289         (BT_FN_VOID_PTR_INT_SIZE): New.
 290         (BT_FN_UINT_UINT_VAR): Remove.
 291         (BT_FN_UINT32_UINT32_VAR): New.
 292         (BT_FN_DOUBLE_VPTR): Remove.
 293         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 294
 295         * gtm-builtins.def (_ITM_abortTransaction): Set return type to
 296         void.
 297         (_ITM_changeTransactionMode): Same.
 298         (_ITM_memmoveRtWt): Change return type to void.
 299         (_ITM_memcpyRtWt): Same.
 300         (_ITM_memsetW): Same.
 301         (_ITM_RaRD): Change types to double.
 302         (_ITM_RD): Same.
 303         (_ITM_RaWD): Same.
 304         (_ITM_RfWD): Same.
 305
 306         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 307
 308 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 309             Patrick Marlier  <patrick.marlier@gmail.com>
 310
 311         * trans-mem.c (requires_barrier): Do not instrument thread local
 312         variables and emit save/restore for them.
 313
 314 2012-01-24  Jason Merrill  <jason@redhat.com>
 315
 316         PR c++/51812
 317         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 318         output static aliases.
 319
 320 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 321
 322         PR driver/47249
 323         * common.opt (-pie, -shared, pie, shared): Change from Common to
 324         Driver.
 325         * gcc.c (display_help): Display help for -pie and -shared.
 326
 327 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 328
 329         PR target/49868
 330         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 331         Remove note on size/offset limitation.
 332         (AVR Variable Attributes): Add example how to read data located
 333         with progmem.  Refer to named address spaces.
 334         * doc/invoke.texi (AVR Options): Fix typo.
 335
 336 2012-01-24  Richard Guenther  <rguenther@suse.de>
 337
 338         Forward-port to trunk
 339         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 340
 341         PR middle-end/45678
 342         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 343         op0 isn't sufficiently aligned and there is movmisalignM
 344         insn for mode, use it to load op0 into a temporary register.
 345
 346 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 347
 348         PR target/51957
 349         * target.def (const_not_ok_for_debug_p): New hook.
 350         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 351         documentation.
 352         * doc/tm.texi: Regenerated.
 353         * dwarf2out.c (const_ok_for_output_1): If
 354         targetm.const_not_ok_for_debug_p returns true, fail.
 355         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 356         function.
 357         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 358
 359 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 360
 361         PR target/51900
 362         * config/i386/predicates.md (symbolic_operand): Allow
 363         UNSPEC_PCREL as PIC expression for lea.
 364         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 365         * config/i386/i386.c (ix86_delegitimize_address): Handle
 366         UNSPEC_PCREL for none-MEM, too.
 367
 368 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 369
 370         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 371         (ipa_tm_create_version_alias): Same.
 372
 373 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
 374
 375         PR libitm/51830
 376         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 377         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 378
 379 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 380             Patrick Marlier  <patrick.marlier@gmail.com>
 381             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 382
 383         PR lto/51916
 384         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 385         simple_object_start_read.
 386
 387 2012-01-23  Richard Guenther  <rguenther@suse.de>
 388
 389
 390         PR tree-optimization/51895
 391         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 392         parameter decomposition into BLKmode components.
 393
 394 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 395
 396         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 397         fake variables for restrict-qualified pointers whose pointed-to type
 398         contains a placeholder.
 399
 400 2012-01-23  Richard Guenther  <rguenther@suse.de>
 401
 402         PR tree-optimization/51949
 403         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 404
 405 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 406
 407         PR rtl-optimization/51933
 408         * ree.c (transform_ifelse): Return true right away if dstreg is
 409         already wider or equal to cand->mode.
 410         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 411         (make_defs_and_copies_lists): Remove defs_list and copies_list
 412         arguments, add state argument, just truncate state->work_list
 413         instead of always allocating and freeing the vector.  Assert that
 414         get_defs succeeds instead of returning 2.  Changed return type to bool.
 415         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 416         have ext_src_mode, see if it has been modified already with the
 417         right kind of extension and has been extended before from the
 418         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 419         just return true.  Remember the original mode in state->modified array.
 420         (combine_reaching_defs): Add state argument.  Don't allocate and
 421         free here def_list, copied_list and vec vectors, instead just
 422         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 423         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 424         Add state variable, clear vectors in it, initialize state.modified
 425         if needed.  Free all the vectors at the end and state.modified too.
 426         Don't skip a candidate if the extension expression has been modified.
 427
 428 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 429
 430         PR target/47096
 431         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 432          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 433         (extra_options) interix.opt -> i386/interix.opt"
 434         (extra_objs):Add winnt-stubs.o
 435         * configure.ac: Add interix to target_os .comm on PE check.
 436         * configure: Regenerate.
 437         * config/interix3.h: Delete and move bits to..
 438         * config/interix.h: Delete and move bits to..
 439         * config/i386/i386-interix3.h: Delete and move bits to..
 440         * config/i386/i386-interix.h: ..here.
 441         (TARGET_CPU_DEFAULT): Remove redefinition.
 442         (TARGET_ASM_CONSTRUCTOR): Undefine.
 443         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 444         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 445         (PTRDIFF_TYPE): Define.
 446         (LONG_DOUBLE_TYPE_SIZE): Define.
 447         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 448         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 449         (TARGET_SECTION_TYPE_FLAGS): Define.
 450         (ASM_DECLARE_FUNCTION_NAME): Define.
 451         (ASM_OUTPUT_EXTERNAL): Define.
 452         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 453         (ASM_OUTPUT_ALIGNED_BSS): Define.
 454         (PCC_BITFIELD_TYPE_MATTERS): Define.
 455         (USE_CONST_SECTION): Define.
 456         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 457         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 458         (SUPPORTS_ONE_ONLY): Remove.
 459         (I386_PE_STRIP_ENCODING): Define.
 460         * config/interix.opt: Delete and move bits to..
 461         * config/i386/interix.opt: ..here. New.
 462         (mpe-aligned-commons): Add.
 463         * config/i386/t-interix: Add copyright header.
 464         (winnt-stubs.o): Add rule.
 465
 466 2012-01-22  Jason Merrill  <jason@redhat.com>
 467
 468         PR c++/51832
 469         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 470         for extra name aliases.
 471
 472 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 473
 474         PR rtl-optimization/51924
 475         * ree.c (combine_set_extension): Improve debugging message.
 476         (combine_reaching_defs): Likewise.
 477         (get_defs): Rename confusingly named variable.
 478         (find_and_remove_re): Skip a candidate if the extension expression has
 479         been modified.
 480
 481 2012-01-21  Robert Millan  <rmh@gnu.org>
 482             Gerald Pfeifer  <gerald@pfeifer.com>
 483
 484         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 485         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 486
 487 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 488
 489         PR tree-optimization/51914
 490         * tree-vect-stmts.c (vectorizable_conversion): For
 491         cvt_type && modifier == WIDEN, put temporary with cvt_type
 492         at the beginning of vec_dsts and set vec_dest to temporary
 493         with vectype_out.
 494
 495 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 496
 497         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 498
 499 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 500
 501         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 502         * config/rs6000/rs6000.c: Likewise.
 503
 504 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 505
 506         PR target/51915
 507         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 508         output_move_double on a copy of operands array.
 509
 510 2012-01-20  Cary Coutant  <ccoutant@google.com>
 511             Dodji Seketeli  <dodji@redhat.com>
 512
 513         PR debug/45682
 514         * dwarf2out.c (copy_declaration_context): Return ref to parent
 515         of declaration DIE, if necessary.
 516         (remove_child_or_replace_with_skeleton): Add new parameter; update
 517         caller.  Place skeleton DIE under parent DIE of original declaration.
 518         Move call to copy_declaration_context to here ...
 519         (break_out_comdat_types): ... from here.
 520
 521 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 522
 523         PR rtl-optimization/51856
 524         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 525         flag to reloaded.
 526
 527 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 528
 529         PR target/51819
 530         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 531         hints for neon loads and stores.
 532
 533 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 534
 535         PR target/49868
 536         PR target/50887
 537         * doc/extend.texi (Named Address Spaces): Split into subsections.
 538         (AVR Named Address Spaces): New subsection.
 539         (M32C Named Address Spaces): New subsection.
 540         (RL78 Named Address Spaces): New subsection.
 541         (SPU Named Address Spaces): New subsection.
 542         (Variable Attributes): New anchor "AVR Variable Attributes".
 543         (AVR Variable Attributes): Rewrite and avoid wording
 544         "address space" in this context.
 545         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 546         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 547         (AVR Built-in Macros): New subsubsection therein.
 548         * doc/md.texi (AVR constraints): Remove "C04", "R".
 549
 550 2012-01-20  Richard Guenther  <rguenther@suse.de>
 551
 552         PR tree-optimization/51903
 553         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 554         when removing stmts.
 555
 556 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 557
 558         PR target/50313
 559         * config/arm/arm.c (arm_load_pic_register): Use
 560         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 561         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 562         (arm_pic_static_addr): Likewise.
 563         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 564         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 565         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 566         (pic_load_addr_unified): New.
 567
 568 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 569
 570         PR target/51106
 571         * function.c (instantiate_virtual_regs_in_insn): Use
 572         delete_insn_and_edges when removing a wrong asm insn.
 573
 574 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 575
 576         PR rtl-optimization/40761
 577         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 578         Add new member loop_num.
 579         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 580         (ira_build): Remove the parameter.
 581
 582         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 583         (ira.c): Do not build CFG loops for one region allocation.  Remove
 584         argument from ira_build call.
 585
 586         * ira-build.c (init_loop_tree_node): New function.
 587         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 588         loops are not built.
 589         (more_one_region_p): Check current_loops.
 590         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 591         built.
 592         (add_loop_to_tree): Process loop equal to NULL too.
 593         (form_loop_tree): Separate the case when CFG loops are not built.
 594         Use explicitly number for the root.
 595         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 596         an assertion.
 597         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 598         instead of loop->num.
 599         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 600         (mark_all_loops_for_removal): Ditto.
 601         (remove_unnecessary_regions): Separate the case when CFG loops
 602         are not built.
 603         (ira_build): Remove the parameter.  Use explicit number of regions
 604         when CFG loops are not built.
 605
 606         * ira-color.c (print_loop_title): Separate the case for the root node.
 607         Use loop_num instead of loop->num.
 608         (move_spill_restore): Use loop_num instead of loop->num.
 609
 610         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 611         (change_loop): Ditto.
 612         (change_loop): Use loop_num instead of loop->num.
 613
 614         * ira-lives.c (process_bb_node_lives): Ditto.
 615
 616         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 617
 618         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 619
 620 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 621
 622         PR libmudflap/40778
 623         * tree-mudflap.c (mf_artificial): New function.
 624         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 625         mx_register_decls, mudflap_enqueue_decl): Use it.
 626
 627         PR target/51876
 628         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 629         numbers in the insn pattern.
 630
 631 2012-01-19  Michael Matz  <matz@suse.de>
 632
 633         PR tree-optimization/46590
 634         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 635         use it in remembering which conflicts we already created.
 636         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 637         bitmap.
 638
 639 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 640
 641         PR lto/51280
 642         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 643         (merge_and_complain): Same.
 644
 645 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 646
 647         PR bootstrap/50237
 648         * config/initfini-array.h: Guard content of the header
 649         with #ifdef HAVE_INITFINI_ARRAY.
 650         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 651         Add initfini-array.h to tm_file here.
 652         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 653         * config.gcc: Don't add initfini-array.h to tm_file here.
 654         * configure: Regenerated.
 655
 656 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 657
 658         PR rtl-optimization/51505
 659         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 660         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 661         (df_note_bb_compute): Update the call to df_kill_notes.
 662
 663 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 664
 665         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 666
 667 2012-01-18  Richard Guenther  <rguenther@suse.de>
 668
 669         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 670         of conversions to void *.
 671
 672 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 673             Richard Sandiford  <rdsandiford@googlemail.com>
 674
 675         PR middle-end/50325
 676         PR middle-end/51192
 677         * optabs.h (simplify_expand_binop): Declare.
 678         * optabs.c (simplify_expand_binop): Make global.
 679         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 680         endian targets if the source cannot be exactly covered by word
 681         mode chunks.
 682
 683 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 684
 685         PR bootstrap/51872
 686         * hard-reg-set.h (struct hard_reg_set_container): New type.
 687         * target.h (struct hard_reg_set_container): Forward declare.
 688         * target.def (set_up_by_prologue): New target hook.
 689         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 690         * doc/tm.texi: Regenerated.
 691         * function.c (thread_prologue_and_epilogue_insns): Change
 692         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 693         Call targetm.set_up_by_prologue on it.
 694         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 695         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 696
 697 2012-01-17  Nick Clifton  <nickc@redhat.com>
 698
 699         * config/rx/rx.c (rx_can_use_simple_return): New function.
 700         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 701         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 702
 703 2012-01-17  Richard Guenther  <rguenther@suse.de>
 704
 705         PR middle-end/51782
 706         * expr.c (expand_assignment): Take address-space information
 707         from the address operand of MEM_REF and TARGET_MEM_REF.
 708         (expand_expr_real_1): Likewise.
 709
 710 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 711
 712         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 713         reload dump is requested.
 714
 715 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 716
 717         PR other/51165
 718         * trans-mem.c (requires_barrier): Call may_be_aliased.
 719
 720 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 721
 722         PR tree-optimization/51877
 723         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 724         call arguments and fndecls compare equal, instead return false if they
 725         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 726         both SSA_NAMEs that are valueized the same, or they satisfy
 727         operand_equal_p.
 728
 729 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 730
 731         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 732         Solaris 11+.
 733         * configure: Regenerate.
 734
 735 2012-01-16  Jan Hubicka  <jh@suse.cz>
 736
 737         PR c/12245
 738         PR c++/14179
 739         * convert.c (convert_to_integer): Use fold_convert for
 740         converting an INTEGER_CST to integer type.
 741
 742 2012-01-16  Jason Merrill  <jason@redhat.com>
 743
 744         PR c++/14179
 745         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 746
 747 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 748
 749         PR bootstrap/51860
 750         * config/s390/s390.c (s390_chunkify_start): Don't skip
 751         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 752         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 753         If insn is followed by NOTE_INSN_VAR_LOCATION or
 754         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 755         Don't use location of note insns.
 756
 757         PR tree-optimization/51865
 758         * tree-inline.c (tree_function_versioning): Call remap_decl
 759         on DECL_RESULT whenever it has VOID_TYPE_P type.
 760
 761 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 762
 763         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 764         for calls to locally-binding MIPS16 functions if only the return
 765         type uses float regs.
 766
 767 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 768             Richard Sandiford  <rdsandiford@googlemail.com>
 769
 770         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 771         (SYMBOL_32_HIGH): Likewise.
 772         (mips_output_tls_reloc_directive): Declare.
 773         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 774         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 775         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 776         (mips_lo_relocs, mips_hi_relocs): Make extern.
 777         (mips16_stub_function): Move up file.
 778         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 779         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 780         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 781         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 782         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 783         (mips_get_tp): Add MIPS16 support.
 784         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 785         Generalize DTPREL and TPREL handling.
 786         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 787         Add MIPS16 TLS support.
 788         (mips_output_tls_reloc_directive): New function.
 789         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 790         * config/mips/predicates.md (symbolic_operand_with_high)
 791         (tls_reloc_operand): New predicates.
 792         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 793         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 794         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 795         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
 796         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 797         (*tls_get_tp_mips16_call_<mode>): Likewise.
 798
 799 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 800
 801         PR rtl-optimization/51821
 802         * recog.c (peep2_find_free_register): Determine clobbered registers
 803         from insn pattern.
 804
 805 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 806
 807         PR target/50925
 808         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 809         * config/avr/avr.c: Likewise.
 810         * config/avr/avr.h: Likewise.
 811
 812 2012-01-13  Ian Lance Taylor  <iant@google.com>
 813
 814         PR c++/50012
 815         * tree.h (TYPE_QUALS): Add cast to int.
 816         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 817
 818 2012-01-13  Ian Lance Taylor  <iant@google.com>
 819
 820         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 821         comparing param_index to VEC_length result.
 822
 823 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 824
 825         * c-decl.c: Do not include tree-mudflap.h
 826         * tree-optimize.c: Likewise.
 827         * Makefile.in: Update dependencies.
 828
 829 2012-01-13  Richard Guenther  <rguenther@suse.de>
 830
 831         PR middle-end/8081
 832         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 833         variable-sized result always use RSO.
 834
 835 2012-01-12  DJ Delorie  <dj@redhat.com>
 836
 837         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 838         pointer type, not just the default pointer type.
 839
 840 2012-01-09  Richard Henderson  <rth@redhat.com>
 841             Denis Chertykov  <chertykov@gmail.com>
 842
 843         PR target/50925
 844         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 845         * config/avr/avr.c (avr_can_eliminate): Simplify.
 846         (avr_initial_elimination_offset): Likewise.
 847         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 848         (expand_epilogue): Likewise.
 849         (avr_legitimize_address): Gut.
 850         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 851         (avr_hard_regno_nregs): New.
 852         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 853         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 854         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 855         add soft frame pointer.
 856         (CALL_USED_REGISTERS): Likewise.
 857         (REG_CLASS_CONTENTS): Likewise.
 858         (REGISTER_NAMES): Likewise.
 859         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 860         (HARD_FRAME_POINTER_REGNUM): New.
 861         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 862         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 863         remove the HARD_FRAME_POINTER self-elimination.
 864
 865 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 866
 867         PR target/51756
 868         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 869         DECL_EXTERNAL when checking for initializers of progmem variables.
 870
 871 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 872
 873         PR tree-optimization/51799
 874         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 875         that the last operation is a type demotion.
 876
 877 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 878
 879         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 880         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 881
 882 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 883
 884         PR bootstrap/51796
 885         * combine.c (distribute_notes): If i3 is a noreturn call,
 886         allow old_size to be equal to args_size and make sure the
 887         noreturn call gets REG_ARGS_SIZE note.
 888         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 889         on noreturn calls even when the delta is 0.
 890
 891 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 892
 893         * gcov.c (STRING_SIZE): Remove.
 894         (generate_results): Erase annotations for source files with no
 895         coverage information.
 896         (read_line): New.
 897         (output_lines): Use it.
 898
 899 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 900
 901         * gimple.h (gimplify_body): Remove first argument.
 902         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 903         pointer set here, instead just pass DATA to walk_tree.
 904         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 905         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 906         (unvisit_body): Likewise, but with unmark_visited.
 907         (gimplify_body): Remove BODY_P argument and adjust.
 908         (gimplify_function_tree): Adjust call to gimplify_body.
 909         * omp-low.c (finalize_task_copyfn): Likewise.
 910
 911 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 912
 913         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 914         (build_function_type_skip_args): Delete.
 915         * tree.c (build_function_type_skip_args): Make static and add
 916         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 917         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 918         pass it to build_function_type_skip_args.
 919         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 920         (tree_function_versioning): Likewise.
 921         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 922         build_function_decl_skip_args.
 923         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 924         and pass it to build_function_decl_skip_args/tree_function_versioning.
 925         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 926         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 927         * trans-mem.c (ipa_tm_create_version): Likewise.
 928         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 929         * tree-inline.c (declare_return_variable): Remove always-true test.
 930         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 931         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 932         * ipa-split.c (split_function): Skip the return value for the split
 933         part if it doesn't return.
 934
 935 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 936
 937         PR tree-optimization/49642
 938         * ipa-split.c (forbidden_dominators): New variable.
 939         (check_forbidden_calls): New function.
 940         (dominated_by_forbidden): Likewise.
 941         (consider_split): Check for forbidden dominators.
 942         (execute_split_functions): Initialize and free forbidden
 943         dominators info; call check_forbidden_calls.
 944
 945 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 946
 947         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 948
 949 2012-01-11  Nick Clifton  <nickc@redhat.com>
 950
 951         * config/rx/rx.md (return): Define pattern.
 952
 953 2012-01-11  Richard Guenther  <rguenther@suse.de>
 954
 955         * doc/extend.texi (malloc attribute): Adjust according to
 956         implementation.
 957
 958 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 959             Patrick Marlier  <patrick.marlier@gmail.com>
 960
 961         PR middle-end/51516
 962         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 963         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 964         (ipa_tm_note_irrevocable): Same.
 965         (ipa_tm_scan_irr_block): Same.
 966         (ipa_tm_decrement_clone_counts): Same.
 967         (ipa_tm_scan_irr_function): Same.
 968         (ipa_tm_create_version_alias): Same.
 969         (ipa_tm_create_version): Same.
 970         (ipa_tm_transform_calls_redirect): Same.
 971         (ipa_tm_transform_calls): Same.
 972         (ipa_tm_transform_transaction): Same.
 973         (ipa_tm_execute): Same.
 974
 975 2012-01-10  Richard Guenther  <rguenther@suse.de>
 976
 977         PR middle-end/51806
 978         * opts.c (common_handle_option): Handle -Werror.
 979
 980 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 981
 982         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 983         operand number.
 984
 985 2012-01-10  Jason Merrill  <jason@redhat.com>
 986
 987         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 988         information.
 989
 990 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 991
 992         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 993         supports R_386_TLS_GD_PLT reloc.
 994         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 995         supports R_386_TLS_LDM_PLT reloc.
 996         * configure: Regenerate.
 997         * config.in: Regenerate.
 998
 999 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1000
1001         PR target/49868
1002         Extend __pgmx semantics to linearize memory.
1003         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1004         determine if code comes inline or from libgcc.
1005         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1006         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1007         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1008         (movmemx_qi, movmemx_hi): New insns.
1009         (xload_<mode>_libgcc): Rewrite to new insn condition.
1010         (xload_<mode>): Remove insns.
1011         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1012         cases that don't satisfy avr_xload_libgcc_p().
1013         (avr_addr_space_convert): Allow converting in any direction.
1014         (avr_addr_space_subset_p): Return always true.
1015         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1016         (avr_emit_movmemhi): Ditto.
1017         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1018         (avr_out_movmem): Ditto.
1019         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1020         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1021         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1022         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1023         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1024
1025 2012-01-10  Richard Guenther  <rguenther@suse.de>
1026
1027         PR tree-optimization/50913
1028         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1029         Require data-refs to be representable by Graphite with respect
1030         to any loop nest.
1031
1032 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1033
1034         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1035         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1036
1037 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1038
1039         PR rtl-optimization/51271
1040         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1041         handling annulled branch.
1042
1043 2012-01-10  Richard Henderson  <rth@redhat.com>
1044
1045         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1046         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1047         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1048         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1049         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1050         arm_expand_vec_perm_const): New.
1051         * config/arm/arm-protos.h: Update.
1052         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1053         (*neon_vswp<VDQX>): New.
1054         (neon_vcombine<VDX>): Use neon_split_vcombine.
1055         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1056         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1057         (vec_perm<VE>): New.
1058
1059 2012-01-10  Richard Henderson  <rth@redhat.com>
1060
1061         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1062         use it if reload_completed.
1063         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1064         arm_output_asm_insn, arm_process_output_memory_barrier,
1065         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1066         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1067         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1068         arm_process_output_sync_insn, arm_output_sync_insn,
1069         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1070         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1071         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1072         (emit_unlikely_jump): New.
1073         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1074         (arm_split_atomic_op): New.
1075         * config/arm/arm-protos.h: Update.
1076         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1077         (struct arm_sync_generator): Remove.
1078         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1079         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1080         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1081         (VUNSPEC_LL, VUNSPEC_SC): New.
1082         (sync_result, sync_memory, sync_required_value, sync_new_value,
1083         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1084         (attr length): Don't use arm_sync_loop_insns.
1085         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1086         (movsfcc, movdfcc): Likewise.
1087         * config/arm/constraints.md (Ua): New.
1088         * config/arm/prediates.md (mem_noofs_operand): New.
1089         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1090         (sync_clobber, sync_t2_reqd): Remove.
1091         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1092         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1093         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1094         (arm_sync_compare_and_swap<SIDI>): Remove.
1095         (arm_sync_compare_and_swap<NARROW>): Remove.
1096         (arm_sync_lock_test_and_set<SIDI>): Remove.
1097         (arm_sync_lock_test_and_set<NARROW>): Remove.
1098         (arm_sync_new_<syncop><SIDI>): Remove.
1099         (arm_sync_new_<syncop><NARROW>): Remove.
1100         (arm_sync_new_nand<SIDI>): Remove.
1101         (arm_sync_new_nand<NARROW>): Remove.
1102         (arm_sync_old_<syncop><SIDI>): Remove.
1103         (arm_sync_old_<syncop><NARROW>): Remove.
1104         (arm_sync_old_nand<SIDI>): Remove.
1105         (arm_sync_old_nand<NARROW>): Remove.
1106         (*memory_barrier): Merge arm_output_memory_barrier.
1107         (atomic_compare_and_swap<QHSD>): New.
1108         (atomic_compare_and_swap<NARROW>_1): New.
1109         (atomic_compare_and_swap<SIDI>_1): New.
1110         (atomic_exchange<QHSD>): New.
1111         (cas_cmp_operand, cas_cmp_str): New.
1112         (atomic_op_operand, atomic_op_str): New.
1113         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1114         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1115         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1116         (arm_load_exclusive<NARROW>): New.
1117         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1118         (arm_store_exclusive<QHSD>): New.
1119
1120 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1121
1122         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1123         reload patterns if -mvsx-scalar-memory.
1124
1125         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1126         generated, even -mno-vsx-scalar-double was used.
1127         (vsx_xscvdpsp_scalar): Likewise.
1128         (vsx_xscvspdp_scalar2): Likewise.
1129
1130 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1131             Andrew Pinski  <apinski@cavium.com>
1132
1133         PR debug/51471
1134         * reorg.c (fill_slots_from_thread): Don't speculate
1135         frame-related insns.
1136
1137 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1138
1139         * sched-int.h (bb_note): Move to...
1140         * basic-block.h: ...here.
1141         * haifa-sched.c (bb_note): Move to...
1142         * cfgrtl.c: ...here.
1143         * function.c (next_block_for_reg): New function.
1144         (move_insn_for_shrink_wrap): Likewise.
1145         (prepare_shrink_wrap): Rewrite to use the above.
1146
1147 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1148
1149         * gimple.c (is_gimple_non_addressable): Remove.
1150         * gimple.h: Remove is_gimple_non_addressable.
1151         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1152         is_gimple_non_addressable.
1153         * trans-mem.c (expand_assign_tm): Same.
1154
1155 2012-01-09  Richard Guenther  <rguenther@suse.de>
1156
1157         PR tree-optimization/51775
1158         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1159         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1160
1161 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1162
1163         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1164         tuning parameters.
1165         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1166
1167 2012-01-09  Richard Guenther  <rguenther@suse.de>
1168
1169         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1170
1171 2012-01-08  Jan Hubicka  <jh@suse.cz>
1172
1173         PR tree-optimize/51680
1174         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1175         on when known_vals needs to be computed; cleanup.
1176
1177 2012-01-08  Jan Hubicka  <jh@suse.cz>
1178
1179         PR tree-optimize/51694
1180         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1181
1182 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1183
1184         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1185         for -std=c++98 and -std=c++11 too.
1186
1187 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1188
1189         * cfgloop.c (cancel_loop): Add free() of bbs array.
1190
1191 2012-01-07  Jan Hubicka  <jh@suse.cz>
1192
1193         PR tree-optimization/51600
1194         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1195         that benefits small functions.
1196
1197 2012-01-07  Jan Hubicka  <jh@suse.cz>
1198
1199         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1200
1201 2012-01-07  Jan Hubicka  <jh@suse.cz>
1202
1203         PR tree-optimization/51680
1204         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1205         whose inlining reduce unit size.
1206
1207 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1208
1209         PR bootstrap/51725
1210         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1211         Add canonical node to containing_mem chain after the non-canonical
1212         one, even if there weren't any locs to propagate.
1213         (remove_useless_values): Keep only canonical values.
1214         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1215         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1216         canonicalize mem_chain elements that are not discarded.
1217
1218 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1219
1220         PR target/47333
1221         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1222         before emitting functions.
1223
1224         PR gcov-profile/50127
1225         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1226         clear_aux_for_blocks.
1227
1228 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1229
1230         PR debug/51746
1231         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1232
1233 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1234
1235         * c-decl.c (ext_block): Moved up.
1236         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1237
1238 2012-01-06  Han Shen  <shenhan@google.com>
1239
1240         Translate built-in include paths for sysroot.
1241         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1242         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1243
1244         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1245         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1246
1247         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1248         control whether sysroot should be prepended to gxx include dir.
1249
1250         * configure: Regenerate.
1251
1252 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1253
1254         PR rtl-optimization/51771
1255         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1256         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1257
1258 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1259
1260         PR tree-optimization/51315
1261         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1262         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1263
1264 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1265
1266         PR target/51681
1267         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1268         for shrp pattern.  Correctly handle and fixup shift variable.
1269         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1270
1271 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1272
1273         PR debug/51762
1274         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1275         note when !ACCUMULATE_OUTGOING_ARGS.
1276
1277 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1278
1279         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1280         condition.
1281         (extract_range_from_unary_expr_1): Avoid useless computations.
1282
1283 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1284
1285         PR rtl-optimization/51767
1286         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1287         of jump_block and add an extra edge for degenerated asm gotos.
1288
1289         PR middle-end/51768
1290         * stmt.c (check_unique_operand_names): Don't ICE during error
1291         reporting if i is from labels chain.
1292
1293         PR middle-end/44777
1294         * profile.c (branch_prob): Split bbs that have exit edge
1295         and need a fake entry edge too.
1296
1297 2012-01-05  Jan Hubicka  <jh@suse.cz>
1298
1299         PR middle-end/49710
1300         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1301         unlooping loops.
1302
1303 2012-01-05  Richard Guenther  <rguenther@suse.de>
1304
1305         PR lto/50490
1306         * tree-streamer-out.c (write_ts_optimization): New function.
1307         (streamer_write_tree_body): Call it.
1308         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1309         (streamer_read_tree_body): Call it.
1310         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1311
1312 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1313
1314         PR middle-end/51761
1315         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1316         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1317         in_cleanup_point_expr before gimplify_stmt call and restore it
1318         afterwards.
1319         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1320         in_cleanup_point_expr is false.
1321
1322 2012-01-05  Richard Guenther  <rguenther@suse.de>
1323
1324         PR middle-end/51764
1325         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1326         to c.opt.
1327         * toplev.c (process_options): Reject combining mudflap and LTO.
1328         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1329
1330 2012-01-05  Richard Guenther  <rguenther@suse.de>
1331
1332         PR tree-optimization/51760
1333         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1334         not VARYING.
1335         (bit_value_unop): Handle UNDEFINED operands.
1336         (bit_value_binop): Likewise.
1337
1338 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1339
1340         * config/avr/avr.c (avr_replace_prefix): Remove.
1341         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1342         (avr_asm_function_rodata_section): Ditto.
1343         (avr_asm_select_section): Ditto.
1344
1345 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1346
1347         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1348         insertion.
1349
1350 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1351
1352         PR bootstrap/51648
1353         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1354         calls that have any non-fake successor edges.
1355
1356         PR debug/51746
1357         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1358
1359 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1360
1361         PR tree-optimization/51624
1362         * tree-sra.c (build_ref_for_model): When replicating a chain of
1363         COMPONENT_REFs, stop as soon as the offset would become negative.
1364
1365 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1366
1367         PR debug/51695
1368         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1369         in .debug_loc on the floor.
1370
1371 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1372
1373         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1374
1375 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1376             Adam Nemet  <anemet@caviumnetworks.com>
1377
1378         * config/mips/mips.md (size): Add SI and DI.
1379         (SIZE): New mode attribute.
1380         (U): New code attribute.
1381         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1382         (mips_lbux_<mode>): Delete.
1383         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1384         (mips_lhx): Use gen_mips_lhx_extsi.
1385         (mips_lhx_<mode>): Delete.
1386         (mips_lwx): Delete.
1387         (mips_l<size>x): New expand.
1388         (mips_lwx_<mode>): Delete.
1389         (mips_l<GPR:size>x_<P:mode>): New pattern.
1390         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1391         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1392         * config/mips/mips.c (mips_lx_address_p): New function.
1393         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1394         (dsp64): New availability predicate.
1395         (mips_builtins): Add an entry for __builtin_mips_ldx.
1396         * config/mips/mips.h (ISA_HAS_LBX): New define.
1397         (ISA_HAS_LBUX): Likewise.
1398         (ISA_HAS_LHX): Likewise.
1399         (ISA_HAS_LHUX): Likewise.
1400         (ISA_HAS_LWX): Likewise.
1401         (ISA_HAS_LWUX): Likewise.
1402         (ISA_HAS_LDX): Likewise.
1403         * doc/extend.texi (__builtin_mips_ldx): Document.
1404
1405 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1406
1407         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1408         when long pointers are used.
1409         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1410         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1411         (ia64-hp-*vms*): Remove.
1412         * config/vms/xm-vms64.h: Delete.
1413
1414 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1415
1416         PR middle-end/51472
1417         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1418
1419 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1420
1421         * opts.c (finish_options): Remove duplicate sorry.
1422
1423 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1424
1425         PR middle-end/51696
1426         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1427         correctly.
1428
1429 2012-01-04  Richard Guenther  <rguenther@suse.de>
1430
1431         PR middle-end/51750
1432         * tree.c (size_low_cst): New function.
1433         * tree.h (size_low_cst): Declare.
1434         * fold-const.c (fold_comparison): Use it to extract the low
1435         part of the POINTER_PLUS_EXPR offset.
1436
1437 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1438
1439         Fix clearing ZERO_REG
1440         * config/avr/avr.md (cc): Add alternative "ldi".
1441         (movqi_insn): Use it in cc attribute.
1442         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1443         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1444         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1445
1446 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1447
1448         * configure: Regenerate.
1449
1450 2012-01-04  Richard Guenther  <rguenther@suse.de>
1451
1452         PR tree-optimization/49651
1453         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1454         (var_can_have_subvars): Use it.
1455         (get_constraint_for_1): Only consider subfields if there can be any.
1456
1457 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1458
1459         PR bootstrap/51725
1460         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1461         to its new canonical_cselib_val and the cselib_val was in
1462         first_containing_mem chain, but the canonical_cselib_val was not,
1463         add the latter into the chain.
1464         (cselib_invalidate_mem): Compare canonical_cselib_val of
1465         addr_list chain elt with v.
1466
1467         PR pch/51722
1468         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1469         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1470         of xstrdup.
1471         (output_macinfo_op): Don't ggc_strdup fd->filename.
1472         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1473         then ggc_strdup it.  Don't free inc->info or cur->info.
1474         (output_macinfo): Don't free ref->info or file->info.
1475
1476 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1477
1478         PR tree-optimization/51269
1479         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1480         first_niters a pointer.
1481         (slpeel_tree_peel_loop_to_edge): Likewise.
1482         (vect_do_peeling_for_loop_bound): Update call to
1483         slpeel_tree_peel_loop_to_edge.
1484         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1485         here.  Remove it from the parameters list.
1486         (vect_do_peeling_for_alignment): Update calls and compute
1487         wide_prolog_niters.
1488
1489 2012-01-03  Richard Guenther  <rguenther@suse.de>
1490
1491         PR tree-optimization/51070
1492         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1493         Properly handle calls.
1494
1495 2012-01-03  Richard Guenther  <rguenther@suse.de>
1496
1497         PR tree-optimization/51692
1498         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1499         the LHS of allocation stmts.
1500
1501 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1502
1503         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1504
1505 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1506
1507         * collect2.c (main): In AIX specific computations for vector
1508         insertions, use CONST_CAST2 to cast from char ** to const char **.
1509
1510 2012-01-03  Richard Guenther  <rguenther@suse.de>
1511
1512         PR debug/51650
1513         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1514         the context of a limbo DIE when it does not already exist.
1515
1516 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1517
1518         PR tree-optimization/51719
1519         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1520         but direct call is, clear direct call's lhs and don't add fallthrough
1521         edge from dcall_bb to join_bb and PHIs.
1522
1523 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1524
1525         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1526         the instructions emitted by the pattern.
1527         ("*TDC_insn_<mode>"): Add comment.
1528
1529 2012-01-03  Richard Guenther  <rguenther@suse.de>
1530
1531         PR middle-end/51730
1532         * fold-const.c (fold_comparison): Properly canonicalize
1533         tree offset and HOST_WIDE_INT bit position.
1534
1535 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1536
1537         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1538         operands for extzv pattern.
1539
1540 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1541
1542         PR bootstrap/51725
1543         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1544         on mem_elt first.
1545
1546 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1547
1548         * doc/invoke.texi (-flto and related options): Copy-edit.
1549
1550 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1551
1552         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1553
1554 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1555
1556         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1557         New patterns.
1558
1559 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1560
1561         * expr.h (move_by_pieces_ninsns): Declare.
1562         * expr.c (move_by_pieces_ninsns): Make external.
1563         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1564         (mips_store_by_pieces_p): Likewise.
1565         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1566         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1567         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1568         (mips_store_by_pieces_p): Likewise.
1569
1570 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1571
1572         * passes.c (register_one_dump_file): Free full_name.
1573
1574         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1575         (calculate_elim_costs_all_insns): Free offsets_at and
1576         offsets_known_at at the end and clear the pointers.
1577
1578 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1579
1580         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1581         this option introduced in r180739.
1582
1583 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1584
1585         PR target/51345
1586         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1587         (tmake_file target=avr): Add avr/t-multilib.
1588
1589         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1590         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1591         * config/avr/genmultilib.awk: New file.
1592         * config/avr/t-multilib: New auto-generated file.
1593         * config/avr/multilib.h: New auto-generated file.
1594         * config/avr/t-avr (AVR_MCUS): New variable.
1595         (genopt.sh): Use it.
1596         (s-mlib): Depend on t-multilib.
1597         (t-multilib, multilib.h): New dependencies.
1598         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1599         (MULTILIB_OPTIONS): Remove.
1600         (MULTILIB_MATCHES): Remove.
1601         (MULTILIB_DIRNAMES): Remove.
1602         (MULTILIB_EXCEPTIONS): Remove:
1603         * config/avr/genopt.sh: Don't use hard coded file name;
1604         pass AVR_MCUS from t-avr instead.
1605
1606 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1607
1608         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1609
1610 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1611
1612         Implement light-weight DImode support.
1613         * config/avr/avr-dimode.md: New file.
1614         * config/avr/avr.md: Include it.
1615         (adjust_len): Add plus64, compare64.
1616         (HIDI): Remove code iterator.
1617         (code_stdname): New code attribute.
1618         (rotx, rotsmode): Remove DI.
1619         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1620         as code iterator.
1621         * config/avr/avr-protos.h (avr_have_dimode): New.
1622         (avr_out_plus64, avr_out_compare64): New.
1623         * config/avr/avr.c (avr_out_compare): Handle DImode.
1624         (avr_have_dimode): New variable definition and initialization.
1625         (avr_out_compare64, avr_out_plus64): New functions.
1626         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1627         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1628         (avr_compare_pattern): Skip DImode comparisons.
1629
1630 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1631
1632         * ddg.c (def_has_ccmode_p): New function.
1633         (add_cross_iteration_register_deps,
1634         create_ddg_dep_from_intra_loop_link): Call it.
1635
1636 2012-01-02  Richard Guenther  <rguenther@suse.de>
1637
1638         PR other/51679
1639         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1640
1641 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1642
1643         * gcc.c (process_command): Update copyright notice dates.
1644         * gcov.c (print_version): Likewise.
1645         * gcov-dump.c (print_version): Likewise.
1646         * mips-tfile.c (main): Likewise.
1647         * mips-tdump.c (main): Likewise.
1648
1649 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1650
1651         PR tree-optimization/51704
1652         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1653         a use is inside the basic block or loop before accessing its vect info.
1654
1655 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1656
1657         PR rtl-optimization/51069
1658         * cfgloopmanip.c (remove_path): Removing path making irreducible
1659         region unconditional makes BB part of the region.
1660
1661 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1662
1663         PR tree-optimization/51683
1664         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1665         calls with side-effects.
1666         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1667 \f
1668 Copyright (C) 2012 Free Software Foundation, Inc.
1669
1670 Copying and distribution of this file, with or without modification,
1671 are permitted in any medium without royalty provided the copyright
1672 notice and this notice are preserved.