gcc/ChangeLog

   1 2012-01-27  Michael Eager  <eager@eagercon.com>
   2
   3         * config/microblaze.c (microblaze_emit_compare): Correct
   4         test after pcmp instruction.
   5
   6 2012-01-27  Richard Guenther  <rguenther@suse.de>
   7
   8         PR tree-optimization/52020
   9         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
  10
  11 2012-01-27  Richard Guenther  <rguenther@suse.de>
  12
  13         * ipa-pure-const.c (check_stmt): Clobbers do not make a
  14         function non-const/pure.
  15
  16 2012-01-27  Richard Guenther  <rguenther@suse.de>
  17
  18         PR tree-optimization/50444
  19         * tree-sra.c (build_ref_for_offset): Properly adjust the
  20         MEM_REF type for unaligned accesses.
  21
  22 2012-01-27  Richard Guenther  <rguenther@suse.de>
  23
  24         PR tree-optimization/50444
  25         * expr.c (mem_ref_refers_to_non_mem_p): New function.
  26         (expand_assignment): Use it.  Properly handle misaligned
  27         bases when expanding stores to component references.
  28         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
  29         refactor that case.
  30
  31 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
  32
  33         PR middle-end/51389
  34         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
  35         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
  36         * tree-data-ref.c (find_data_references_in_loop): Make static.
  37         (compute_all_dependences): Change return type to bool.  Bail out
  38         for too many datarefs in a loop.  Move the hunk resetting the data
  39         dependences vector from ...
  40         (compute_data_dependences_for_loop): ... here.  Account for
  41         compute_all_dependences returning false.
  42         (compute_data_dependences_for_bb): Likewise.
  43         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
  44         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
  45
  46 2012-01-27  Richard Guenther  <rguenther@suse.de>
  47
  48         PR middle-end/51959
  49         * expr.c (store_field): Use the alias-set of the scratch memory
  50         for storing to it.
  51
  52 2012-01-27  Tom de Vries  <tom@codesourcery.com>
  53
  54         PR tree-optimization/51990
  55         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR.
  56         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
  57
  58 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
  59
  60         PR debug/52001
  61         * var-tracking.c (reverse_op): Don't add any reverse operation
  62         if V already has any constant locations.
  63
  64 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  65
  66         * doc/invoke.texi: Correct usage of "command line" (noun)
  67         vs "command-line" (adjective) throughout.
  68
  69 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  70
  71         * doc/invoke.texi (Language Independent Options): Move
  72         -Wcoverage-mismatch blurb from here....
  73         (Warning Options): ...to here.
  74
  75 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
  76
  77         * config/rs6000/rs6000.c (rs6000_option_override_internal):
  78         Set rs6000_always_hint to false for 476.
  79
  80 2012-01-27  Matthias Klose  <doko@ubuntu.com>
  81
  82         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
  83           system root.
  84         * incpath.c (add_standard_paths): Likewise.
  85
  86 2012-01-27  Richard Henderson  <rth@redhat.com>
  87
  88         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  89         * config/m68k/sync.md (atomic_test_and_set): Rename from
  90         sync_test_and_setqi and adjust the operands.
  91         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
  92         and unconditionally enable.
  93
  94 2012-01-27  Richard Henderson  <rth@redhat.com>
  95
  96         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
  97         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
  98         (ldstub): Rename from ldstubqi.
  99         (ldstub<I24MODE>): Remove.
 100
 101 2012-01-27  Richard Henderson  <rth@redhat.com>
 102
 103         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 104         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 105         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 106         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 107         * doc/tm.texi: Rebuild.
 108
 109 2012-01-27  Richard Henderson  <rth@redhat.com>
 110
 111         * optabs.c (gen_atomic_test_and_set): Remove default.
 112         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 113
 114 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 115
 116         PR rtl-optimization/51978
 117         * ree.c (make_defs_and_copies_lists): Change set_pat type
 118         to const_rtx.
 119         (combine_reaching_defs): Likewise.
 120         (struct re_info): Remove.
 121         (add_removable_extension): Remove x and data arguments,
 122         add insn, insn_list and def_map.  Use the arguments directly
 123         instead of using struct re_info.
 124         (find_removable_extensions): Don't call add_removable_extension
 125         through note_stores, instead just call it with single_set
 126         result if non-NULL.
 127         (find_and_remove_re): Pass curr_cand->expr instead of
 128         PATTERN (curr_cand->insn) as set_pat argument to
 129         combine_reaching_defs.
 130
 131 2012-01-26  Michael Matz  <matz@suse.de>
 132
 133         PR tree-optimization/46590
 134         * cfgexpand.c: Revert last change (r183305).
 135         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 136         regs.
 137         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 138         checking for emptiness.
 139
 140 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 141
 142         PR middle-end/51895
 143         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 144         non-addressable non-BLKmode base correctly.
 145
 146 2012-01-26  Michael Matz  <matz@suse.de>
 147
 148         PR tree-optimization/48794
 149         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 150         regions referenced from RESX/EH_DISPATCH.
 151
 152 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 153
 154         * config/s390/s390.h: Make BRANCH_COST an option.
 155         * config/s390/s390.opt: New option -mbranch-cost.
 156
 157 2012-01-26  Richard Henderson  <rth@redhat.com>
 158
 159         Revert 2012-01-24 change:
 160         * trans-mem.c (requires_barrier): Do not instrument thread local
 161         variables and emit save/restore for them.
 162
 163 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 164
 165         PR middle-end/51986
 166         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 167         for pat == 0.
 168
 169 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 170
 171         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 172         ASM_OPERANDS.
 173
 174 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 175
 176         PR target/49868
 177         Rename __pgm to __flash.
 178         Rename __pgm1 to __flash1.
 179         Rename __pgm2 to __flash2.
 180         Rename __pgm3 to __flash3.
 181         Rename __pgm4 to __flash4.
 182         Rename __pgm5 to __flash5.
 183         Rename __pgmx to __memx.
 184         * doc/extend.texi (AVR Named Address Spaces)
 185         Rename address space names as indicated above.
 186         * config/avr/avr.c (avr_addrspace): Ditto.
 187
 188         * config/avr/avr-protos.h
 189         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 190         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 191         * config/avr/predicates.md: Ditto.
 192         * config/avr/avr.c Ditto, and
 193         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 194         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 195
 196         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 197         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 198         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 199         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 200         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 201         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 202         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 203         * config/avr/avr.c: Ditto.
 204         * config/avr/avr.md: Ditto.
 205
 206 2012-01-25  Jason Merrill  <jason@redhat.com>
 207
 208         PR c++/51992
 209         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 210
 211 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 212
 213         PR tree-optimization/51987
 214         * tree-data-ref.c (get_references_in_stmt): Handle references in
 215         non-volatile GIMPLE_ASM.
 216
 217 2012-01-25  Richard Guenther  <rguenther@suse.de>
 218
 219         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 220         bases are dereferenced.
 221
 222 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 223
 224         PR rtl-optimization/48374
 225         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 226
 227 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 228
 229         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 230         compute_data_dependences_for_loop returns false.
 231         * tree-parloops.c (loop_parallel_p): Likewise.
 232
 233 2012-01-25  Richard Guenther  <rguenther@suse.de>
 234
 235         * tree.h (get_pointer_alignment_1): Declare.
 236         * builtins.c (get_pointer_alignment_1): New function.
 237         (get_pointer_alignment): Use it.
 238
 239 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 240
 241         PR rtl-optimization/48308
 242         * combine.c (enum undo_kind): Add UNDO_LINKS.
 243         (struct undo): Add member l to other_contents and where.
 244         (do_SUBST_LINK): New.
 245         (SUBST_LINK): New.
 246         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 247         (undo_all): Handle UNDO_LINKS.
 248
 249 2012-01-25  Richard Henderson  <rth@redhat.com>
 250
 251         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 252         mem inputs.
 253
 254 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 255
 256         * optabs.c (gen_atomic_test_and_set): Use each argument.
 257
 258 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 259
 260         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 261         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 262         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 263         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 264         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 265         TARGET_PAIRED_SINGLE_FLOAT.
 266
 267 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 268
 269         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 270         (in_struct, return_val): Remove MEM documentation.
 271         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 272         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 273         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 274         and MEM_SCALAR.
 275         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 276         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 277         * expr.c (store_field): Likewise.
 278         * function.c (assign_stack_temp_for_type): Likewise.
 279         * ifcvt.c (noce_try_cmove_arith): Likewise.
 280         * reload1.c (reload): Likewise.
 281         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 282         (alpha_set_memflags): Likewise.
 283         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 284
 285 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 286
 287         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 288         parameter.
 289         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 290         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 291         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 292         varies parameter.
 293         * cselib.c (cselib_rtx_varies_p): Delete.
 294         (cselib_invalidate_mem): Update call to canon_true_dependence.
 295         * dse.c (record_store, check_mem_read_rtx): Likewise.
 296         (scan_reads_nospill): Likewise.
 297         * cse.c (check_dependence): Likewise.
 298         (cse_rtx_varies_p): Delete.
 299         * expr.c (safe_from_p): Update call to true_dependence.
 300         * ira.c (validate_equiv_mem_from_store): Likewise.
 301         (memref_referenced_p): Likewise.
 302         * postreload-gcse.c (find_mem_conflicts): Likewise.
 303         * sched-deps.c (sched_analyze_2): Likewise.
 304         * store-motion.c (load_kills_store): Likewise.
 305         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 306         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 307         (compute_transp): Update call to canon_true_dependence.
 308
 309 2012-01-25  Richard Henderson  <rth@redhat.com>
 310
 311         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 312         (maybe_emit_atomic_test_and_set): New.
 313         (expand_sync_lock_test_and_set): Use it.
 314         (expand_atomic_test_and_set): Likewise.
 315         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 316         the implementation; clarify implementation defined details.
 317         * doc/md.texi (atomic_test_and_set): Document.
 318
 319 2012-01-25  Richard Henderson  <rth@redhat.com>
 320
 321         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 322
 323 2012-01-25  Richard Henderson  <rth@redhat.com>
 324
 325         PR target/51968
 326         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 327         to effect no-op split.
 328
 329 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 330
 331         PR lto/51698
 332         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 333         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 334         (BT_FN_VOID_PTR_INT_SIZE): New.
 335         (BT_FN_UINT_UINT_VAR): Remove.
 336         (BT_FN_UINT32_UINT32_VAR): New.
 337         (BT_FN_DOUBLE_VPTR): Remove.
 338         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 339
 340         * gtm-builtins.def (_ITM_abortTransaction): Set return type to
 341         void.
 342         (_ITM_changeTransactionMode): Same.
 343         (_ITM_memmoveRtWt): Change return type to void.
 344         (_ITM_memcpyRtWt): Same.
 345         (_ITM_memsetW): Same.
 346         (_ITM_RaRD): Change types to double.
 347         (_ITM_RD): Same.
 348         (_ITM_RaWD): Same.
 349         (_ITM_RfWD): Same.
 350
 351         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 352
 353 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 354             Patrick Marlier  <patrick.marlier@gmail.com>
 355
 356         * trans-mem.c (requires_barrier): Do not instrument thread local
 357         variables and emit save/restore for them.
 358
 359 2012-01-24  Jason Merrill  <jason@redhat.com>
 360
 361         PR c++/51812
 362         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 363         output static aliases.
 364
 365 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 366
 367         PR driver/47249
 368         * common.opt (-pie, -shared, pie, shared): Change from Common to
 369         Driver.
 370         * gcc.c (display_help): Display help for -pie and -shared.
 371
 372 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 373
 374         PR target/49868
 375         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 376         Remove note on size/offset limitation.
 377         (AVR Variable Attributes): Add example how to read data located
 378         with progmem.  Refer to named address spaces.
 379         * doc/invoke.texi (AVR Options): Fix typo.
 380
 381 2012-01-24  Richard Guenther  <rguenther@suse.de>
 382
 383         Forward-port to trunk
 384         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 385
 386         PR middle-end/45678
 387         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 388         op0 isn't sufficiently aligned and there is movmisalignM
 389         insn for mode, use it to load op0 into a temporary register.
 390
 391 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 392
 393         PR target/51957
 394         * target.def (const_not_ok_for_debug_p): New hook.
 395         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 396         documentation.
 397         * doc/tm.texi: Regenerated.
 398         * dwarf2out.c (const_ok_for_output_1): If
 399         targetm.const_not_ok_for_debug_p returns true, fail.
 400         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 401         function.
 402         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 403
 404 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 405
 406         PR target/51900
 407         * config/i386/predicates.md (symbolic_operand): Allow
 408         UNSPEC_PCREL as PIC expression for lea.
 409         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 410         * config/i386/i386.c (ix86_delegitimize_address): Handle
 411         UNSPEC_PCREL for none-MEM, too.
 412
 413 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 414
 415         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 416         (ipa_tm_create_version_alias): Same.
 417
 418 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
 419
 420         PR libitm/51830
 421         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 422         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 423
 424 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 425             Patrick Marlier  <patrick.marlier@gmail.com>
 426             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 427
 428         PR lto/51916
 429         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 430         simple_object_start_read.
 431
 432 2012-01-23  Richard Guenther  <rguenther@suse.de>
 433
 434
 435         PR tree-optimization/51895
 436         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 437         parameter decomposition into BLKmode components.
 438
 439 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 440
 441         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 442         fake variables for restrict-qualified pointers whose pointed-to type
 443         contains a placeholder.
 444
 445 2012-01-23  Richard Guenther  <rguenther@suse.de>
 446
 447         PR tree-optimization/51949
 448         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 449
 450 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 451
 452         PR rtl-optimization/51933
 453         * ree.c (transform_ifelse): Return true right away if dstreg is
 454         already wider or equal to cand->mode.
 455         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 456         (make_defs_and_copies_lists): Remove defs_list and copies_list
 457         arguments, add state argument, just truncate state->work_list
 458         instead of always allocating and freeing the vector.  Assert that
 459         get_defs succeeds instead of returning 2.  Changed return type to bool.
 460         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 461         have ext_src_mode, see if it has been modified already with the
 462         right kind of extension and has been extended before from the
 463         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 464         just return true.  Remember the original mode in state->modified array.
 465         (combine_reaching_defs): Add state argument.  Don't allocate and
 466         free here def_list, copied_list and vec vectors, instead just
 467         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 468         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 469         Add state variable, clear vectors in it, initialize state.modified
 470         if needed.  Free all the vectors at the end and state.modified too.
 471         Don't skip a candidate if the extension expression has been modified.
 472
 473 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 474
 475         PR target/47096
 476         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 477          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 478         (extra_options) interix.opt -> i386/interix.opt"
 479         (extra_objs):Add winnt-stubs.o
 480         * configure.ac: Add interix to target_os .comm on PE check.
 481         * configure: Regenerate.
 482         * config/interix3.h: Delete and move bits to..
 483         * config/interix.h: Delete and move bits to..
 484         * config/i386/i386-interix3.h: Delete and move bits to..
 485         * config/i386/i386-interix.h: ..here.
 486         (TARGET_CPU_DEFAULT): Remove redefinition.
 487         (TARGET_ASM_CONSTRUCTOR): Undefine.
 488         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 489         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 490         (PTRDIFF_TYPE): Define.
 491         (LONG_DOUBLE_TYPE_SIZE): Define.
 492         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 493         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 494         (TARGET_SECTION_TYPE_FLAGS): Define.
 495         (ASM_DECLARE_FUNCTION_NAME): Define.
 496         (ASM_OUTPUT_EXTERNAL): Define.
 497         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 498         (ASM_OUTPUT_ALIGNED_BSS): Define.
 499         (PCC_BITFIELD_TYPE_MATTERS): Define.
 500         (USE_CONST_SECTION): Define.
 501         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 502         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 503         (SUPPORTS_ONE_ONLY): Remove.
 504         (I386_PE_STRIP_ENCODING): Define.
 505         * config/interix.opt: Delete and move bits to..
 506         * config/i386/interix.opt: ..here. New.
 507         (mpe-aligned-commons): Add.
 508         * config/i386/t-interix: Add copyright header.
 509         (winnt-stubs.o): Add rule.
 510
 511 2012-01-22  Jason Merrill  <jason@redhat.com>
 512
 513         PR c++/51832
 514         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 515         for extra name aliases.
 516
 517 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 518
 519         PR rtl-optimization/51924
 520         * ree.c (combine_set_extension): Improve debugging message.
 521         (combine_reaching_defs): Likewise.
 522         (get_defs): Rename confusingly named variable.
 523         (find_and_remove_re): Skip a candidate if the extension expression has
 524         been modified.
 525
 526 2012-01-21  Robert Millan  <rmh@gnu.org>
 527             Gerald Pfeifer  <gerald@pfeifer.com>
 528
 529         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 530         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 531
 532 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 533
 534         PR tree-optimization/51914
 535         * tree-vect-stmts.c (vectorizable_conversion): For
 536         cvt_type && modifier == WIDEN, put temporary with cvt_type
 537         at the beginning of vec_dsts and set vec_dest to temporary
 538         with vectype_out.
 539
 540 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 541
 542         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 543
 544 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 545
 546         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 547         * config/rs6000/rs6000.c: Likewise.
 548
 549 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 550
 551         PR target/51915
 552         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 553         output_move_double on a copy of operands array.
 554
 555 2012-01-20  Cary Coutant  <ccoutant@google.com>
 556             Dodji Seketeli  <dodji@redhat.com>
 557
 558         PR debug/45682
 559         * dwarf2out.c (copy_declaration_context): Return ref to parent
 560         of declaration DIE, if necessary.
 561         (remove_child_or_replace_with_skeleton): Add new parameter; update
 562         caller.  Place skeleton DIE under parent DIE of original declaration.
 563         Move call to copy_declaration_context to here ...
 564         (break_out_comdat_types): ... from here.
 565
 566 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 567
 568         PR rtl-optimization/51856
 569         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 570         flag to reloaded.
 571
 572 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 573
 574         PR target/51819
 575         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 576         hints for neon loads and stores.
 577
 578 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 579
 580         PR target/49868
 581         PR target/50887
 582         * doc/extend.texi (Named Address Spaces): Split into subsections.
 583         (AVR Named Address Spaces): New subsection.
 584         (M32C Named Address Spaces): New subsection.
 585         (RL78 Named Address Spaces): New subsection.
 586         (SPU Named Address Spaces): New subsection.
 587         (Variable Attributes): New anchor "AVR Variable Attributes".
 588         (AVR Variable Attributes): Rewrite and avoid wording
 589         "address space" in this context.
 590         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 591         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 592         (AVR Built-in Macros): New subsubsection therein.
 593         * doc/md.texi (AVR constraints): Remove "C04", "R".
 594
 595 2012-01-20  Richard Guenther  <rguenther@suse.de>
 596
 597         PR tree-optimization/51903
 598         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 599         when removing stmts.
 600
 601 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 602
 603         PR target/50313
 604         * config/arm/arm.c (arm_load_pic_register): Use
 605         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 606         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 607         (arm_pic_static_addr): Likewise.
 608         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 609         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 610         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 611         (pic_load_addr_unified): New.
 612
 613 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 614
 615         PR target/51106
 616         * function.c (instantiate_virtual_regs_in_insn): Use
 617         delete_insn_and_edges when removing a wrong asm insn.
 618
 619 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 620
 621         PR rtl-optimization/40761
 622         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 623         Add new member loop_num.
 624         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 625         (ira_build): Remove the parameter.
 626
 627         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 628         (ira.c): Do not build CFG loops for one region allocation.  Remove
 629         argument from ira_build call.
 630
 631         * ira-build.c (init_loop_tree_node): New function.
 632         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 633         loops are not built.
 634         (more_one_region_p): Check current_loops.
 635         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 636         built.
 637         (add_loop_to_tree): Process loop equal to NULL too.
 638         (form_loop_tree): Separate the case when CFG loops are not built.
 639         Use explicitly number for the root.
 640         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 641         an assertion.
 642         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 643         instead of loop->num.
 644         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 645         (mark_all_loops_for_removal): Ditto.
 646         (remove_unnecessary_regions): Separate the case when CFG loops
 647         are not built.
 648         (ira_build): Remove the parameter.  Use explicit number of regions
 649         when CFG loops are not built.
 650
 651         * ira-color.c (print_loop_title): Separate the case for the root node.
 652         Use loop_num instead of loop->num.
 653         (move_spill_restore): Use loop_num instead of loop->num.
 654
 655         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 656         (change_loop): Ditto.
 657         (change_loop): Use loop_num instead of loop->num.
 658
 659         * ira-lives.c (process_bb_node_lives): Ditto.
 660
 661         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 662
 663         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 664
 665 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 666
 667         PR libmudflap/40778
 668         * tree-mudflap.c (mf_artificial): New function.
 669         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 670         mx_register_decls, mudflap_enqueue_decl): Use it.
 671
 672         PR target/51876
 673         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 674         numbers in the insn pattern.
 675
 676 2012-01-19  Michael Matz  <matz@suse.de>
 677
 678         PR tree-optimization/46590
 679         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 680         use it in remembering which conflicts we already created.
 681         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 682         bitmap.
 683
 684 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 685
 686         PR lto/51280
 687         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 688         (merge_and_complain): Same.
 689
 690 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 691
 692         PR bootstrap/50237
 693         * config/initfini-array.h: Guard content of the header
 694         with #ifdef HAVE_INITFINI_ARRAY.
 695         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 696         Add initfini-array.h to tm_file here.
 697         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 698         * config.gcc: Don't add initfini-array.h to tm_file here.
 699         * configure: Regenerated.
 700
 701 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 702
 703         PR rtl-optimization/51505
 704         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 705         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 706         (df_note_bb_compute): Update the call to df_kill_notes.
 707
 708 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 709
 710         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 711
 712 2012-01-18  Richard Guenther  <rguenther@suse.de>
 713
 714         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 715         of conversions to void *.
 716
 717 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 718             Richard Sandiford  <rdsandiford@googlemail.com>
 719
 720         PR middle-end/50325
 721         PR middle-end/51192
 722         * optabs.h (simplify_expand_binop): Declare.
 723         * optabs.c (simplify_expand_binop): Make global.
 724         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 725         endian targets if the source cannot be exactly covered by word
 726         mode chunks.
 727
 728 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 729
 730         PR bootstrap/51872
 731         * hard-reg-set.h (struct hard_reg_set_container): New type.
 732         * target.h (struct hard_reg_set_container): Forward declare.
 733         * target.def (set_up_by_prologue): New target hook.
 734         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 735         * doc/tm.texi: Regenerated.
 736         * function.c (thread_prologue_and_epilogue_insns): Change
 737         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 738         Call targetm.set_up_by_prologue on it.
 739         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 740         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 741
 742 2012-01-17  Nick Clifton  <nickc@redhat.com>
 743
 744         * config/rx/rx.c (rx_can_use_simple_return): New function.
 745         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 746         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 747
 748 2012-01-17  Richard Guenther  <rguenther@suse.de>
 749
 750         PR middle-end/51782
 751         * expr.c (expand_assignment): Take address-space information
 752         from the address operand of MEM_REF and TARGET_MEM_REF.
 753         (expand_expr_real_1): Likewise.
 754
 755 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 756
 757         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 758         reload dump is requested.
 759
 760 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 761
 762         PR other/51165
 763         * trans-mem.c (requires_barrier): Call may_be_aliased.
 764
 765 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 766
 767         PR tree-optimization/51877
 768         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 769         call arguments and fndecls compare equal, instead return false if they
 770         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 771         both SSA_NAMEs that are valueized the same, or they satisfy
 772         operand_equal_p.
 773
 774 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 775
 776         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 777         Solaris 11+.
 778         * configure: Regenerate.
 779
 780 2012-01-16  Jan Hubicka  <jh@suse.cz>
 781
 782         PR c/12245
 783         PR c++/14179
 784         * convert.c (convert_to_integer): Use fold_convert for
 785         converting an INTEGER_CST to integer type.
 786
 787 2012-01-16  Jason Merrill  <jason@redhat.com>
 788
 789         PR c++/14179
 790         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 791
 792 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 793
 794         PR bootstrap/51860
 795         * config/s390/s390.c (s390_chunkify_start): Don't skip
 796         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 797         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 798         If insn is followed by NOTE_INSN_VAR_LOCATION or
 799         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 800         Don't use location of note insns.
 801
 802         PR tree-optimization/51865
 803         * tree-inline.c (tree_function_versioning): Call remap_decl
 804         on DECL_RESULT whenever it has VOID_TYPE_P type.
 805
 806 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 807
 808         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 809         for calls to locally-binding MIPS16 functions if only the return
 810         type uses float regs.
 811
 812 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 813             Richard Sandiford  <rdsandiford@googlemail.com>
 814
 815         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 816         (SYMBOL_32_HIGH): Likewise.
 817         (mips_output_tls_reloc_directive): Declare.
 818         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 819         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 820         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 821         (mips_lo_relocs, mips_hi_relocs): Make extern.
 822         (mips16_stub_function): Move up file.
 823         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 824         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 825         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 826         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 827         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 828         (mips_get_tp): Add MIPS16 support.
 829         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 830         Generalize DTPREL and TPREL handling.
 831         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 832         Add MIPS16 TLS support.
 833         (mips_output_tls_reloc_directive): New function.
 834         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 835         * config/mips/predicates.md (symbolic_operand_with_high)
 836         (tls_reloc_operand): New predicates.
 837         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 838         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 839         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 840         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
 841         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 842         (*tls_get_tp_mips16_call_<mode>): Likewise.
 843
 844 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 845
 846         PR rtl-optimization/51821
 847         * recog.c (peep2_find_free_register): Determine clobbered registers
 848         from insn pattern.
 849
 850 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 851
 852         PR target/50925
 853         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 854         * config/avr/avr.c: Likewise.
 855         * config/avr/avr.h: Likewise.
 856
 857 2012-01-13  Ian Lance Taylor  <iant@google.com>
 858
 859         PR c++/50012
 860         * tree.h (TYPE_QUALS): Add cast to int.
 861         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 862
 863 2012-01-13  Ian Lance Taylor  <iant@google.com>
 864
 865         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 866         comparing param_index to VEC_length result.
 867
 868 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 869
 870         * c-decl.c: Do not include tree-mudflap.h
 871         * tree-optimize.c: Likewise.
 872         * Makefile.in: Update dependencies.
 873
 874 2012-01-13  Richard Guenther  <rguenther@suse.de>
 875
 876         PR middle-end/8081
 877         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 878         variable-sized result always use RSO.
 879
 880 2012-01-12  DJ Delorie  <dj@redhat.com>
 881
 882         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 883         pointer type, not just the default pointer type.
 884
 885 2012-01-09  Richard Henderson  <rth@redhat.com>
 886             Denis Chertykov  <chertykov@gmail.com>
 887
 888         PR target/50925
 889         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 890         * config/avr/avr.c (avr_can_eliminate): Simplify.
 891         (avr_initial_elimination_offset): Likewise.
 892         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 893         (expand_epilogue): Likewise.
 894         (avr_legitimize_address): Gut.
 895         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 896         (avr_hard_regno_nregs): New.
 897         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 898         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 899         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 900         add soft frame pointer.
 901         (CALL_USED_REGISTERS): Likewise.
 902         (REG_CLASS_CONTENTS): Likewise.
 903         (REGISTER_NAMES): Likewise.
 904         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 905         (HARD_FRAME_POINTER_REGNUM): New.
 906         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 907         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 908         remove the HARD_FRAME_POINTER self-elimination.
 909
 910 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 911
 912         PR target/51756
 913         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 914         DECL_EXTERNAL when checking for initializers of progmem variables.
 915
 916 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 917
 918         PR tree-optimization/51799
 919         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 920         that the last operation is a type demotion.
 921
 922 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 923
 924         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 925         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 926
 927 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 928
 929         PR bootstrap/51796
 930         * combine.c (distribute_notes): If i3 is a noreturn call,
 931         allow old_size to be equal to args_size and make sure the
 932         noreturn call gets REG_ARGS_SIZE note.
 933         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 934         on noreturn calls even when the delta is 0.
 935
 936 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 937
 938         * gcov.c (STRING_SIZE): Remove.
 939         (generate_results): Erase annotations for source files with no
 940         coverage information.
 941         (read_line): New.
 942         (output_lines): Use it.
 943
 944 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 945
 946         * gimple.h (gimplify_body): Remove first argument.
 947         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 948         pointer set here, instead just pass DATA to walk_tree.
 949         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 950         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 951         (unvisit_body): Likewise, but with unmark_visited.
 952         (gimplify_body): Remove BODY_P argument and adjust.
 953         (gimplify_function_tree): Adjust call to gimplify_body.
 954         * omp-low.c (finalize_task_copyfn): Likewise.
 955
 956 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 957
 958         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 959         (build_function_type_skip_args): Delete.
 960         * tree.c (build_function_type_skip_args): Make static and add
 961         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 962         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 963         pass it to build_function_type_skip_args.
 964         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 965         (tree_function_versioning): Likewise.
 966         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 967         build_function_decl_skip_args.
 968         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 969         and pass it to build_function_decl_skip_args/tree_function_versioning.
 970         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 971         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 972         * trans-mem.c (ipa_tm_create_version): Likewise.
 973         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 974         * tree-inline.c (declare_return_variable): Remove always-true test.
 975         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 976         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 977         * ipa-split.c (split_function): Skip the return value for the split
 978         part if it doesn't return.
 979
 980 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 981
 982         PR tree-optimization/49642
 983         * ipa-split.c (forbidden_dominators): New variable.
 984         (check_forbidden_calls): New function.
 985         (dominated_by_forbidden): Likewise.
 986         (consider_split): Check for forbidden dominators.
 987         (execute_split_functions): Initialize and free forbidden
 988         dominators info; call check_forbidden_calls.
 989
 990 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 991
 992         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 993
 994 2012-01-11  Nick Clifton  <nickc@redhat.com>
 995
 996         * config/rx/rx.md (return): Define pattern.
 997
 998 2012-01-11  Richard Guenther  <rguenther@suse.de>
 999
1000         * doc/extend.texi (malloc attribute): Adjust according to
1001         implementation.
1002
1003 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1004             Patrick Marlier  <patrick.marlier@gmail.com>
1005
1006         PR middle-end/51516
1007         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1008         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1009         (ipa_tm_note_irrevocable): Same.
1010         (ipa_tm_scan_irr_block): Same.
1011         (ipa_tm_decrement_clone_counts): Same.
1012         (ipa_tm_scan_irr_function): Same.
1013         (ipa_tm_create_version_alias): Same.
1014         (ipa_tm_create_version): Same.
1015         (ipa_tm_transform_calls_redirect): Same.
1016         (ipa_tm_transform_calls): Same.
1017         (ipa_tm_transform_transaction): Same.
1018         (ipa_tm_execute): Same.
1019
1020 2012-01-10  Richard Guenther  <rguenther@suse.de>
1021
1022         PR middle-end/51806
1023         * opts.c (common_handle_option): Handle -Werror.
1024
1025 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1026
1027         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1028         operand number.
1029
1030 2012-01-10  Jason Merrill  <jason@redhat.com>
1031
1032         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1033         information.
1034
1035 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1036
1037         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1038         supports R_386_TLS_GD_PLT reloc.
1039         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1040         supports R_386_TLS_LDM_PLT reloc.
1041         * configure: Regenerate.
1042         * config.in: Regenerate.
1043
1044 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1045
1046         PR target/49868
1047         Extend __pgmx semantics to linearize memory.
1048         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1049         determine if code comes inline or from libgcc.
1050         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1051         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1052         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1053         (movmemx_qi, movmemx_hi): New insns.
1054         (xload_<mode>_libgcc): Rewrite to new insn condition.
1055         (xload_<mode>): Remove insns.
1056         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1057         cases that don't satisfy avr_xload_libgcc_p().
1058         (avr_addr_space_convert): Allow converting in any direction.
1059         (avr_addr_space_subset_p): Return always true.
1060         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1061         (avr_emit_movmemhi): Ditto.
1062         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1063         (avr_out_movmem): Ditto.
1064         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1065         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1066         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1067         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1068         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1069
1070 2012-01-10  Richard Guenther  <rguenther@suse.de>
1071
1072         PR tree-optimization/50913
1073         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1074         Require data-refs to be representable by Graphite with respect
1075         to any loop nest.
1076
1077 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1078
1079         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1080         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1081
1082 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1083
1084         PR rtl-optimization/51271
1085         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1086         handling annulled branch.
1087
1088 2012-01-10  Richard Henderson  <rth@redhat.com>
1089
1090         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1091         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1092         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1093         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1094         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1095         arm_expand_vec_perm_const): New.
1096         * config/arm/arm-protos.h: Update.
1097         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1098         (*neon_vswp<VDQX>): New.
1099         (neon_vcombine<VDX>): Use neon_split_vcombine.
1100         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1101         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1102         (vec_perm<VE>): New.
1103
1104 2012-01-10  Richard Henderson  <rth@redhat.com>
1105
1106         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1107         use it if reload_completed.
1108         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1109         arm_output_asm_insn, arm_process_output_memory_barrier,
1110         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1111         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1112         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1113         arm_process_output_sync_insn, arm_output_sync_insn,
1114         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1115         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1116         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1117         (emit_unlikely_jump): New.
1118         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1119         (arm_split_atomic_op): New.
1120         * config/arm/arm-protos.h: Update.
1121         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1122         (struct arm_sync_generator): Remove.
1123         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1124         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1125         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1126         (VUNSPEC_LL, VUNSPEC_SC): New.
1127         (sync_result, sync_memory, sync_required_value, sync_new_value,
1128         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1129         (attr length): Don't use arm_sync_loop_insns.
1130         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1131         (movsfcc, movdfcc): Likewise.
1132         * config/arm/constraints.md (Ua): New.
1133         * config/arm/prediates.md (mem_noofs_operand): New.
1134         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1135         (sync_clobber, sync_t2_reqd): Remove.
1136         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1137         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1138         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1139         (arm_sync_compare_and_swap<SIDI>): Remove.
1140         (arm_sync_compare_and_swap<NARROW>): Remove.
1141         (arm_sync_lock_test_and_set<SIDI>): Remove.
1142         (arm_sync_lock_test_and_set<NARROW>): Remove.
1143         (arm_sync_new_<syncop><SIDI>): Remove.
1144         (arm_sync_new_<syncop><NARROW>): Remove.
1145         (arm_sync_new_nand<SIDI>): Remove.
1146         (arm_sync_new_nand<NARROW>): Remove.
1147         (arm_sync_old_<syncop><SIDI>): Remove.
1148         (arm_sync_old_<syncop><NARROW>): Remove.
1149         (arm_sync_old_nand<SIDI>): Remove.
1150         (arm_sync_old_nand<NARROW>): Remove.
1151         (*memory_barrier): Merge arm_output_memory_barrier.
1152         (atomic_compare_and_swap<QHSD>): New.
1153         (atomic_compare_and_swap<NARROW>_1): New.
1154         (atomic_compare_and_swap<SIDI>_1): New.
1155         (atomic_exchange<QHSD>): New.
1156         (cas_cmp_operand, cas_cmp_str): New.
1157         (atomic_op_operand, atomic_op_str): New.
1158         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1159         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1160         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1161         (arm_load_exclusive<NARROW>): New.
1162         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1163         (arm_store_exclusive<QHSD>): New.
1164
1165 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1166
1167         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1168         reload patterns if -mvsx-scalar-memory.
1169
1170         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1171         generated, even -mno-vsx-scalar-double was used.
1172         (vsx_xscvdpsp_scalar): Likewise.
1173         (vsx_xscvspdp_scalar2): Likewise.
1174
1175 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1176             Andrew Pinski  <apinski@cavium.com>
1177
1178         PR debug/51471
1179         * reorg.c (fill_slots_from_thread): Don't speculate
1180         frame-related insns.
1181
1182 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1183
1184         * sched-int.h (bb_note): Move to...
1185         * basic-block.h: ...here.
1186         * haifa-sched.c (bb_note): Move to...
1187         * cfgrtl.c: ...here.
1188         * function.c (next_block_for_reg): New function.
1189         (move_insn_for_shrink_wrap): Likewise.
1190         (prepare_shrink_wrap): Rewrite to use the above.
1191
1192 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1193
1194         * gimple.c (is_gimple_non_addressable): Remove.
1195         * gimple.h: Remove is_gimple_non_addressable.
1196         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1197         is_gimple_non_addressable.
1198         * trans-mem.c (expand_assign_tm): Same.
1199
1200 2012-01-09  Richard Guenther  <rguenther@suse.de>
1201
1202         PR tree-optimization/51775
1203         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1204         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1205
1206 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1207
1208         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1209         tuning parameters.
1210         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1211
1212 2012-01-09  Richard Guenther  <rguenther@suse.de>
1213
1214         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1215
1216 2012-01-08  Jan Hubicka  <jh@suse.cz>
1217
1218         PR tree-optimize/51680
1219         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1220         on when known_vals needs to be computed; cleanup.
1221
1222 2012-01-08  Jan Hubicka  <jh@suse.cz>
1223
1224         PR tree-optimize/51694
1225         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1226
1227 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1228
1229         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1230         for -std=c++98 and -std=c++11 too.
1231
1232 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1233
1234         * cfgloop.c (cancel_loop): Add free() of bbs array.
1235
1236 2012-01-07  Jan Hubicka  <jh@suse.cz>
1237
1238         PR tree-optimization/51600
1239         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1240         that benefits small functions.
1241
1242 2012-01-07  Jan Hubicka  <jh@suse.cz>
1243
1244         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1245
1246 2012-01-07  Jan Hubicka  <jh@suse.cz>
1247
1248         PR tree-optimization/51680
1249         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1250         whose inlining reduce unit size.
1251
1252 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1253
1254         PR bootstrap/51725
1255         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1256         Add canonical node to containing_mem chain after the non-canonical
1257         one, even if there weren't any locs to propagate.
1258         (remove_useless_values): Keep only canonical values.
1259         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1260         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1261         canonicalize mem_chain elements that are not discarded.
1262
1263 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1264
1265         PR target/47333
1266         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1267         before emitting functions.
1268
1269         PR gcov-profile/50127
1270         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1271         clear_aux_for_blocks.
1272
1273 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1274
1275         PR debug/51746
1276         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1277
1278 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1279
1280         * c-decl.c (ext_block): Moved up.
1281         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1282
1283 2012-01-06  Han Shen  <shenhan@google.com>
1284
1285         Translate built-in include paths for sysroot.
1286         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1287         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1288
1289         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1290         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1291
1292         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1293         control whether sysroot should be prepended to gxx include dir.
1294
1295         * configure: Regenerate.
1296
1297 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1298
1299         PR rtl-optimization/51771
1300         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1301         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1302
1303 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1304
1305         PR tree-optimization/51315
1306         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1307         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1308
1309 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1310
1311         PR target/51681
1312         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1313         for shrp pattern.  Correctly handle and fixup shift variable.
1314         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1315
1316 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1317
1318         PR debug/51762
1319         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1320         note when !ACCUMULATE_OUTGOING_ARGS.
1321
1322 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1323
1324         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1325         condition.
1326         (extract_range_from_unary_expr_1): Avoid useless computations.
1327
1328 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1329
1330         PR rtl-optimization/51767
1331         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1332         of jump_block and add an extra edge for degenerated asm gotos.
1333
1334         PR middle-end/51768
1335         * stmt.c (check_unique_operand_names): Don't ICE during error
1336         reporting if i is from labels chain.
1337
1338         PR middle-end/44777
1339         * profile.c (branch_prob): Split bbs that have exit edge
1340         and need a fake entry edge too.
1341
1342 2012-01-05  Jan Hubicka  <jh@suse.cz>
1343
1344         PR middle-end/49710
1345         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1346         unlooping loops.
1347
1348 2012-01-05  Richard Guenther  <rguenther@suse.de>
1349
1350         PR lto/50490
1351         * tree-streamer-out.c (write_ts_optimization): New function.
1352         (streamer_write_tree_body): Call it.
1353         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1354         (streamer_read_tree_body): Call it.
1355         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1356
1357 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1358
1359         PR middle-end/51761
1360         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1361         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1362         in_cleanup_point_expr before gimplify_stmt call and restore it
1363         afterwards.
1364         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1365         in_cleanup_point_expr is false.
1366
1367 2012-01-05  Richard Guenther  <rguenther@suse.de>
1368
1369         PR middle-end/51764
1370         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1371         to c.opt.
1372         * toplev.c (process_options): Reject combining mudflap and LTO.
1373         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1374
1375 2012-01-05  Richard Guenther  <rguenther@suse.de>
1376
1377         PR tree-optimization/51760
1378         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1379         not VARYING.
1380         (bit_value_unop): Handle UNDEFINED operands.
1381         (bit_value_binop): Likewise.
1382
1383 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1384
1385         * config/avr/avr.c (avr_replace_prefix): Remove.
1386         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1387         (avr_asm_function_rodata_section): Ditto.
1388         (avr_asm_select_section): Ditto.
1389
1390 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1391
1392         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1393         insertion.
1394
1395 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1396
1397         PR bootstrap/51648
1398         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1399         calls that have any non-fake successor edges.
1400
1401         PR debug/51746
1402         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1403
1404 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1405
1406         PR tree-optimization/51624
1407         * tree-sra.c (build_ref_for_model): When replicating a chain of
1408         COMPONENT_REFs, stop as soon as the offset would become negative.
1409
1410 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1411
1412         PR debug/51695
1413         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1414         in .debug_loc on the floor.
1415
1416 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1417
1418         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1419
1420 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1421             Adam Nemet  <anemet@caviumnetworks.com>
1422
1423         * config/mips/mips.md (size): Add SI and DI.
1424         (SIZE): New mode attribute.
1425         (U): New code attribute.
1426         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1427         (mips_lbux_<mode>): Delete.
1428         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1429         (mips_lhx): Use gen_mips_lhx_extsi.
1430         (mips_lhx_<mode>): Delete.
1431         (mips_lwx): Delete.
1432         (mips_l<size>x): New expand.
1433         (mips_lwx_<mode>): Delete.
1434         (mips_l<GPR:size>x_<P:mode>): New pattern.
1435         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1436         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1437         * config/mips/mips.c (mips_lx_address_p): New function.
1438         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1439         (dsp64): New availability predicate.
1440         (mips_builtins): Add an entry for __builtin_mips_ldx.
1441         * config/mips/mips.h (ISA_HAS_LBX): New define.
1442         (ISA_HAS_LBUX): Likewise.
1443         (ISA_HAS_LHX): Likewise.
1444         (ISA_HAS_LHUX): Likewise.
1445         (ISA_HAS_LWX): Likewise.
1446         (ISA_HAS_LWUX): Likewise.
1447         (ISA_HAS_LDX): Likewise.
1448         * doc/extend.texi (__builtin_mips_ldx): Document.
1449
1450 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1451
1452         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1453         when long pointers are used.
1454         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1455         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1456         (ia64-hp-*vms*): Remove.
1457         * config/vms/xm-vms64.h: Delete.
1458
1459 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1460
1461         PR middle-end/51472
1462         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1463
1464 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1465
1466         * opts.c (finish_options): Remove duplicate sorry.
1467
1468 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1469
1470         PR middle-end/51696
1471         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1472         correctly.
1473
1474 2012-01-04  Richard Guenther  <rguenther@suse.de>
1475
1476         PR middle-end/51750
1477         * tree.c (size_low_cst): New function.
1478         * tree.h (size_low_cst): Declare.
1479         * fold-const.c (fold_comparison): Use it to extract the low
1480         part of the POINTER_PLUS_EXPR offset.
1481
1482 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1483
1484         Fix clearing ZERO_REG
1485         * config/avr/avr.md (cc): Add alternative "ldi".
1486         (movqi_insn): Use it in cc attribute.
1487         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1488         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1489         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1490
1491 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1492
1493         * configure: Regenerate.
1494
1495 2012-01-04  Richard Guenther  <rguenther@suse.de>
1496
1497         PR tree-optimization/49651
1498         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1499         (var_can_have_subvars): Use it.
1500         (get_constraint_for_1): Only consider subfields if there can be any.
1501
1502 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1503
1504         PR bootstrap/51725
1505         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1506         to its new canonical_cselib_val and the cselib_val was in
1507         first_containing_mem chain, but the canonical_cselib_val was not,
1508         add the latter into the chain.
1509         (cselib_invalidate_mem): Compare canonical_cselib_val of
1510         addr_list chain elt with v.
1511
1512         PR pch/51722
1513         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1514         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1515         of xstrdup.
1516         (output_macinfo_op): Don't ggc_strdup fd->filename.
1517         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1518         then ggc_strdup it.  Don't free inc->info or cur->info.
1519         (output_macinfo): Don't free ref->info or file->info.
1520
1521 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1522
1523         PR tree-optimization/51269
1524         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1525         first_niters a pointer.
1526         (slpeel_tree_peel_loop_to_edge): Likewise.
1527         (vect_do_peeling_for_loop_bound): Update call to
1528         slpeel_tree_peel_loop_to_edge.
1529         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1530         here.  Remove it from the parameters list.
1531         (vect_do_peeling_for_alignment): Update calls and compute
1532         wide_prolog_niters.
1533
1534 2012-01-03  Richard Guenther  <rguenther@suse.de>
1535
1536         PR tree-optimization/51070
1537         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1538         Properly handle calls.
1539
1540 2012-01-03  Richard Guenther  <rguenther@suse.de>
1541
1542         PR tree-optimization/51692
1543         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1544         the LHS of allocation stmts.
1545
1546 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1547
1548         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1549
1550 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1551
1552         * collect2.c (main): In AIX specific computations for vector
1553         insertions, use CONST_CAST2 to cast from char ** to const char **.
1554
1555 2012-01-03  Richard Guenther  <rguenther@suse.de>
1556
1557         PR debug/51650
1558         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1559         the context of a limbo DIE when it does not already exist.
1560
1561 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1562
1563         PR tree-optimization/51719
1564         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1565         but direct call is, clear direct call's lhs and don't add fallthrough
1566         edge from dcall_bb to join_bb and PHIs.
1567
1568 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1569
1570         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1571         the instructions emitted by the pattern.
1572         ("*TDC_insn_<mode>"): Add comment.
1573
1574 2012-01-03  Richard Guenther  <rguenther@suse.de>
1575
1576         PR middle-end/51730
1577         * fold-const.c (fold_comparison): Properly canonicalize
1578         tree offset and HOST_WIDE_INT bit position.
1579
1580 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1581
1582         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1583         operands for extzv pattern.
1584
1585 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1586
1587         PR bootstrap/51725
1588         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1589         on mem_elt first.
1590
1591 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1592
1593         * doc/invoke.texi (-flto and related options): Copy-edit.
1594
1595 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1596
1597         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1598
1599 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1600
1601         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1602         New patterns.
1603
1604 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1605
1606         * expr.h (move_by_pieces_ninsns): Declare.
1607         * expr.c (move_by_pieces_ninsns): Make external.
1608         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1609         (mips_store_by_pieces_p): Likewise.
1610         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1611         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1612         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1613         (mips_store_by_pieces_p): Likewise.
1614
1615 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1616
1617         * passes.c (register_one_dump_file): Free full_name.
1618
1619         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1620         (calculate_elim_costs_all_insns): Free offsets_at and
1621         offsets_known_at at the end and clear the pointers.
1622
1623 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1624
1625         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1626         this option introduced in r180739.
1627
1628 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1629
1630         PR target/51345
1631         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1632         (tmake_file target=avr): Add avr/t-multilib.
1633
1634         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1635         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1636         * config/avr/genmultilib.awk: New file.
1637         * config/avr/t-multilib: New auto-generated file.
1638         * config/avr/multilib.h: New auto-generated file.
1639         * config/avr/t-avr (AVR_MCUS): New variable.
1640         (genopt.sh): Use it.
1641         (s-mlib): Depend on t-multilib.
1642         (t-multilib, multilib.h): New dependencies.
1643         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1644         (MULTILIB_OPTIONS): Remove.
1645         (MULTILIB_MATCHES): Remove.
1646         (MULTILIB_DIRNAMES): Remove.
1647         (MULTILIB_EXCEPTIONS): Remove:
1648         * config/avr/genopt.sh: Don't use hard coded file name;
1649         pass AVR_MCUS from t-avr instead.
1650
1651 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1652
1653         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1654
1655 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1656
1657         Implement light-weight DImode support.
1658         * config/avr/avr-dimode.md: New file.
1659         * config/avr/avr.md: Include it.
1660         (adjust_len): Add plus64, compare64.
1661         (HIDI): Remove code iterator.
1662         (code_stdname): New code attribute.
1663         (rotx, rotsmode): Remove DI.
1664         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1665         as code iterator.
1666         * config/avr/avr-protos.h (avr_have_dimode): New.
1667         (avr_out_plus64, avr_out_compare64): New.
1668         * config/avr/avr.c (avr_out_compare): Handle DImode.
1669         (avr_have_dimode): New variable definition and initialization.
1670         (avr_out_compare64, avr_out_plus64): New functions.
1671         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1672         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1673         (avr_compare_pattern): Skip DImode comparisons.
1674
1675 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1676
1677         * ddg.c (def_has_ccmode_p): New function.
1678         (add_cross_iteration_register_deps,
1679         create_ddg_dep_from_intra_loop_link): Call it.
1680
1681 2012-01-02  Richard Guenther  <rguenther@suse.de>
1682
1683         PR other/51679
1684         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1685
1686 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1687
1688         * gcc.c (process_command): Update copyright notice dates.
1689         * gcov.c (print_version): Likewise.
1690         * gcov-dump.c (print_version): Likewise.
1691         * mips-tfile.c (main): Likewise.
1692         * mips-tdump.c (main): Likewise.
1693
1694 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1695
1696         PR tree-optimization/51704
1697         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1698         a use is inside the basic block or loop before accessing its vect info.
1699
1700 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1701
1702         PR rtl-optimization/51069
1703         * cfgloopmanip.c (remove_path): Removing path making irreducible
1704         region unconditional makes BB part of the region.
1705
1706 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1707
1708         PR tree-optimization/51683
1709         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1710         calls with side-effects.
1711         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1712 \f
1713 Copyright (C) 2012 Free Software Foundation, Inc.
1714
1715 Copying and distribution of this file, with or without modification,
1716 are permitted in any medium without royalty provided the copyright
1717 notice and this notice are preserved.