gcc/ChangeLog

   1 2012-01-27  Ian Lance Taylor  <iant@google.com>
   2
   3         PR go/47656
   4         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
   5         * builtins.c (expand_builtin_init_trampoline): Add onstack
   6         parameter.  Change caller.
   7         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
   8         * tree.c (build_common_builtin_nodes): Declare
   9         __builtin_init_heap_trampoline.
  10
  11 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
  12
  13         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
  14         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
  15         * config/avr/avr.c: Ditto.
  16         (avr_regnames): Remove because unused.
  17         * config/avr/avr.md (*cpse.ne): New peephole.
  18         (*cpse.eq): New peephole from former cpse peepholes.
  19
  20 2012-01-27  Michael Eager  <eager@eagercon.com>
  21
  22         * config/microblaze.c (microblaze_emit_compare): Correct
  23         test after pcmp instruction.
  24
  25 2012-01-27  Richard Guenther  <rguenther@suse.de>
  26
  27         PR tree-optimization/52020
  28         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
  29
  30 2012-01-27  Richard Guenther  <rguenther@suse.de>
  31
  32         * ipa-pure-const.c (check_stmt): Clobbers do not make a
  33         function non-const/pure.
  34
  35 2012-01-27  Richard Guenther  <rguenther@suse.de>
  36
  37         PR tree-optimization/50444
  38         * tree-sra.c (build_ref_for_offset): Properly adjust the
  39         MEM_REF type for unaligned accesses.
  40
  41 2012-01-27  Richard Guenther  <rguenther@suse.de>
  42
  43         PR tree-optimization/50444
  44         * expr.c (mem_ref_refers_to_non_mem_p): New function.
  45         (expand_assignment): Use it.  Properly handle misaligned
  46         bases when expanding stores to component references.
  47         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
  48         refactor that case.
  49
  50 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
  51
  52         PR middle-end/51389
  53         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
  54         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
  55         * tree-data-ref.c (find_data_references_in_loop): Make static.
  56         (compute_all_dependences): Change return type to bool.  Bail out
  57         for too many datarefs in a loop.  Move the hunk resetting the data
  58         dependences vector from ...
  59         (compute_data_dependences_for_loop): ... here.  Account for
  60         compute_all_dependences returning false.
  61         (compute_data_dependences_for_bb): Likewise.
  62         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
  63         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
  64
  65 2012-01-27  Richard Guenther  <rguenther@suse.de>
  66
  67         PR middle-end/51959
  68         * expr.c (store_field): Use the alias-set of the scratch memory
  69         for storing to it.
  70
  71 2012-01-27  Tom de Vries  <tom@codesourcery.com>
  72
  73         PR tree-optimization/51990
  74         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR.
  75         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
  76
  77 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
  78
  79         PR debug/52001
  80         * var-tracking.c (reverse_op): Don't add any reverse operation
  81         if V already has any constant locations.
  82
  83 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  84
  85         * doc/invoke.texi: Correct usage of "command line" (noun)
  86         vs "command-line" (adjective) throughout.
  87
  88 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
  89
  90         * doc/invoke.texi (Language Independent Options): Move
  91         -Wcoverage-mismatch blurb from here....
  92         (Warning Options): ...to here.
  93
  94 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
  95
  96         * config/rs6000/rs6000.c (rs6000_option_override_internal):
  97         Set rs6000_always_hint to false for 476.
  98
  99 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 100
 101         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 102           system root.
 103         * incpath.c (add_standard_paths): Likewise.
 104
 105 2012-01-27  Richard Henderson  <rth@redhat.com>
 106
 107         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 108         * config/m68k/sync.md (atomic_test_and_set): Rename from
 109         sync_test_and_setqi and adjust the operands.
 110         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 111         and unconditionally enable.
 112
 113 2012-01-27  Richard Henderson  <rth@redhat.com>
 114
 115         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 116         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 117         (ldstub): Rename from ldstubqi.
 118         (ldstub<I24MODE>): Remove.
 119
 120 2012-01-27  Richard Henderson  <rth@redhat.com>
 121
 122         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 123         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 124         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 125         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 126         * doc/tm.texi: Rebuild.
 127
 128 2012-01-27  Richard Henderson  <rth@redhat.com>
 129
 130         * optabs.c (gen_atomic_test_and_set): Remove default.
 131         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 132
 133 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 134
 135         PR rtl-optimization/51978
 136         * ree.c (make_defs_and_copies_lists): Change set_pat type
 137         to const_rtx.
 138         (combine_reaching_defs): Likewise.
 139         (struct re_info): Remove.
 140         (add_removable_extension): Remove x and data arguments,
 141         add insn, insn_list and def_map.  Use the arguments directly
 142         instead of using struct re_info.
 143         (find_removable_extensions): Don't call add_removable_extension
 144         through note_stores, instead just call it with single_set
 145         result if non-NULL.
 146         (find_and_remove_re): Pass curr_cand->expr instead of
 147         PATTERN (curr_cand->insn) as set_pat argument to
 148         combine_reaching_defs.
 149
 150 2012-01-26  Michael Matz  <matz@suse.de>
 151
 152         PR tree-optimization/46590
 153         * cfgexpand.c: Revert last change (r183305).
 154         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 155         regs.
 156         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 157         checking for emptiness.
 158
 159 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 160
 161         PR middle-end/51895
 162         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 163         non-addressable non-BLKmode base correctly.
 164
 165 2012-01-26  Michael Matz  <matz@suse.de>
 166
 167         PR tree-optimization/48794
 168         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 169         regions referenced from RESX/EH_DISPATCH.
 170
 171 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 172
 173         * config/s390/s390.h: Make BRANCH_COST an option.
 174         * config/s390/s390.opt: New option -mbranch-cost.
 175
 176 2012-01-26  Richard Henderson  <rth@redhat.com>
 177
 178         Revert 2012-01-24 change:
 179         * trans-mem.c (requires_barrier): Do not instrument thread local
 180         variables and emit save/restore for them.
 181
 182 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 183
 184         PR middle-end/51986
 185         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 186         for pat == 0.
 187
 188 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 189
 190         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 191         ASM_OPERANDS.
 192
 193 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 194
 195         PR target/49868
 196         Rename __pgm to __flash.
 197         Rename __pgm1 to __flash1.
 198         Rename __pgm2 to __flash2.
 199         Rename __pgm3 to __flash3.
 200         Rename __pgm4 to __flash4.
 201         Rename __pgm5 to __flash5.
 202         Rename __pgmx to __memx.
 203         * doc/extend.texi (AVR Named Address Spaces)
 204         Rename address space names as indicated above.
 205         * config/avr/avr.c (avr_addrspace): Ditto.
 206
 207         * config/avr/avr-protos.h
 208         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 209         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 210         * config/avr/predicates.md: Ditto.
 211         * config/avr/avr.c Ditto, and
 212         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 213         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 214
 215         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 216         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 217         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 218         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 219         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 220         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 221         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 222         * config/avr/avr.c: Ditto.
 223         * config/avr/avr.md: Ditto.
 224
 225 2012-01-25  Jason Merrill  <jason@redhat.com>
 226
 227         PR c++/51992
 228         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 229
 230 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 231
 232         PR tree-optimization/51987
 233         * tree-data-ref.c (get_references_in_stmt): Handle references in
 234         non-volatile GIMPLE_ASM.
 235
 236 2012-01-25  Richard Guenther  <rguenther@suse.de>
 237
 238         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 239         bases are dereferenced.
 240
 241 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 242
 243         PR rtl-optimization/48374
 244         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 245
 246 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 247
 248         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 249         compute_data_dependences_for_loop returns false.
 250         * tree-parloops.c (loop_parallel_p): Likewise.
 251
 252 2012-01-25  Richard Guenther  <rguenther@suse.de>
 253
 254         * tree.h (get_pointer_alignment_1): Declare.
 255         * builtins.c (get_pointer_alignment_1): New function.
 256         (get_pointer_alignment): Use it.
 257
 258 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 259
 260         PR rtl-optimization/48308
 261         * combine.c (enum undo_kind): Add UNDO_LINKS.
 262         (struct undo): Add member l to other_contents and where.
 263         (do_SUBST_LINK): New.
 264         (SUBST_LINK): New.
 265         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 266         (undo_all): Handle UNDO_LINKS.
 267
 268 2012-01-25  Richard Henderson  <rth@redhat.com>
 269
 270         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 271         mem inputs.
 272
 273 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 274
 275         * optabs.c (gen_atomic_test_and_set): Use each argument.
 276
 277 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 278
 279         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 280         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 281         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 282         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 283         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 284         TARGET_PAIRED_SINGLE_FLOAT.
 285
 286 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 287
 288         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 289         (in_struct, return_val): Remove MEM documentation.
 290         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 291         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 292         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 293         and MEM_SCALAR.
 294         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 295         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 296         * expr.c (store_field): Likewise.
 297         * function.c (assign_stack_temp_for_type): Likewise.
 298         * ifcvt.c (noce_try_cmove_arith): Likewise.
 299         * reload1.c (reload): Likewise.
 300         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 301         (alpha_set_memflags): Likewise.
 302         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 303
 304 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 305
 306         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 307         parameter.
 308         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 309         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 310         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 311         varies parameter.
 312         * cselib.c (cselib_rtx_varies_p): Delete.
 313         (cselib_invalidate_mem): Update call to canon_true_dependence.
 314         * dse.c (record_store, check_mem_read_rtx): Likewise.
 315         (scan_reads_nospill): Likewise.
 316         * cse.c (check_dependence): Likewise.
 317         (cse_rtx_varies_p): Delete.
 318         * expr.c (safe_from_p): Update call to true_dependence.
 319         * ira.c (validate_equiv_mem_from_store): Likewise.
 320         (memref_referenced_p): Likewise.
 321         * postreload-gcse.c (find_mem_conflicts): Likewise.
 322         * sched-deps.c (sched_analyze_2): Likewise.
 323         * store-motion.c (load_kills_store): Likewise.
 324         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 325         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 326         (compute_transp): Update call to canon_true_dependence.
 327
 328 2012-01-25  Richard Henderson  <rth@redhat.com>
 329
 330         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 331         (maybe_emit_atomic_test_and_set): New.
 332         (expand_sync_lock_test_and_set): Use it.
 333         (expand_atomic_test_and_set): Likewise.
 334         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 335         the implementation; clarify implementation defined details.
 336         * doc/md.texi (atomic_test_and_set): Document.
 337
 338 2012-01-25  Richard Henderson  <rth@redhat.com>
 339
 340         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 341
 342 2012-01-25  Richard Henderson  <rth@redhat.com>
 343
 344         PR target/51968
 345         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 346         to effect no-op split.
 347
 348 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 349
 350         PR lto/51698
 351         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 352         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 353         (BT_FN_VOID_PTR_INT_SIZE): New.
 354         (BT_FN_UINT_UINT_VAR): Remove.
 355         (BT_FN_UINT32_UINT32_VAR): New.
 356         (BT_FN_DOUBLE_VPTR): Remove.
 357         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 358
 359         * gtm-builtins.def (_ITM_abortTransaction): Set return type to
 360         void.
 361         (_ITM_changeTransactionMode): Same.
 362         (_ITM_memmoveRtWt): Change return type to void.
 363         (_ITM_memcpyRtWt): Same.
 364         (_ITM_memsetW): Same.
 365         (_ITM_RaRD): Change types to double.
 366         (_ITM_RD): Same.
 367         (_ITM_RaWD): Same.
 368         (_ITM_RfWD): Same.
 369
 370         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 371
 372 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 373             Patrick Marlier  <patrick.marlier@gmail.com>
 374
 375         * trans-mem.c (requires_barrier): Do not instrument thread local
 376         variables and emit save/restore for them.
 377
 378 2012-01-24  Jason Merrill  <jason@redhat.com>
 379
 380         PR c++/51812
 381         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 382         output static aliases.
 383
 384 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 385
 386         PR driver/47249
 387         * common.opt (-pie, -shared, pie, shared): Change from Common to
 388         Driver.
 389         * gcc.c (display_help): Display help for -pie and -shared.
 390
 391 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 392
 393         PR target/49868
 394         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 395         Remove note on size/offset limitation.
 396         (AVR Variable Attributes): Add example how to read data located
 397         with progmem.  Refer to named address spaces.
 398         * doc/invoke.texi (AVR Options): Fix typo.
 399
 400 2012-01-24  Richard Guenther  <rguenther@suse.de>
 401
 402         Forward-port to trunk
 403         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 404
 405         PR middle-end/45678
 406         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 407         op0 isn't sufficiently aligned and there is movmisalignM
 408         insn for mode, use it to load op0 into a temporary register.
 409
 410 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 411
 412         PR target/51957
 413         * target.def (const_not_ok_for_debug_p): New hook.
 414         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 415         documentation.
 416         * doc/tm.texi: Regenerated.
 417         * dwarf2out.c (const_ok_for_output_1): If
 418         targetm.const_not_ok_for_debug_p returns true, fail.
 419         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 420         function.
 421         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 422
 423 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 424
 425         PR target/51900
 426         * config/i386/predicates.md (symbolic_operand): Allow
 427         UNSPEC_PCREL as PIC expression for lea.
 428         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 429         * config/i386/i386.c (ix86_delegitimize_address): Handle
 430         UNSPEC_PCREL for none-MEM, too.
 431
 432 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 433
 434         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 435         (ipa_tm_create_version_alias): Same.
 436
 437 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
 438
 439         PR libitm/51830
 440         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 441         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 442
 443 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 444             Patrick Marlier  <patrick.marlier@gmail.com>
 445             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 446
 447         PR lto/51916
 448         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 449         simple_object_start_read.
 450
 451 2012-01-23  Richard Guenther  <rguenther@suse.de>
 452
 453
 454         PR tree-optimization/51895
 455         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 456         parameter decomposition into BLKmode components.
 457
 458 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 459
 460         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 461         fake variables for restrict-qualified pointers whose pointed-to type
 462         contains a placeholder.
 463
 464 2012-01-23  Richard Guenther  <rguenther@suse.de>
 465
 466         PR tree-optimization/51949
 467         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 468
 469 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 470
 471         PR rtl-optimization/51933
 472         * ree.c (transform_ifelse): Return true right away if dstreg is
 473         already wider or equal to cand->mode.
 474         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 475         (make_defs_and_copies_lists): Remove defs_list and copies_list
 476         arguments, add state argument, just truncate state->work_list
 477         instead of always allocating and freeing the vector.  Assert that
 478         get_defs succeeds instead of returning 2.  Changed return type to bool.
 479         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 480         have ext_src_mode, see if it has been modified already with the
 481         right kind of extension and has been extended before from the
 482         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 483         just return true.  Remember the original mode in state->modified array.
 484         (combine_reaching_defs): Add state argument.  Don't allocate and
 485         free here def_list, copied_list and vec vectors, instead just
 486         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 487         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 488         Add state variable, clear vectors in it, initialize state.modified
 489         if needed.  Free all the vectors at the end and state.modified too.
 490         Don't skip a candidate if the extension expression has been modified.
 491
 492 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 493
 494         PR target/47096
 495         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 496          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 497         (extra_options) interix.opt -> i386/interix.opt"
 498         (extra_objs):Add winnt-stubs.o
 499         * configure.ac: Add interix to target_os .comm on PE check.
 500         * configure: Regenerate.
 501         * config/interix3.h: Delete and move bits to..
 502         * config/interix.h: Delete and move bits to..
 503         * config/i386/i386-interix3.h: Delete and move bits to..
 504         * config/i386/i386-interix.h: ..here.
 505         (TARGET_CPU_DEFAULT): Remove redefinition.
 506         (TARGET_ASM_CONSTRUCTOR): Undefine.
 507         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 508         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 509         (PTRDIFF_TYPE): Define.
 510         (LONG_DOUBLE_TYPE_SIZE): Define.
 511         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 512         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 513         (TARGET_SECTION_TYPE_FLAGS): Define.
 514         (ASM_DECLARE_FUNCTION_NAME): Define.
 515         (ASM_OUTPUT_EXTERNAL): Define.
 516         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 517         (ASM_OUTPUT_ALIGNED_BSS): Define.
 518         (PCC_BITFIELD_TYPE_MATTERS): Define.
 519         (USE_CONST_SECTION): Define.
 520         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 521         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 522         (SUPPORTS_ONE_ONLY): Remove.
 523         (I386_PE_STRIP_ENCODING): Define.
 524         * config/interix.opt: Delete and move bits to..
 525         * config/i386/interix.opt: ..here. New.
 526         (mpe-aligned-commons): Add.
 527         * config/i386/t-interix: Add copyright header.
 528         (winnt-stubs.o): Add rule.
 529
 530 2012-01-22  Jason Merrill  <jason@redhat.com>
 531
 532         PR c++/51832
 533         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 534         for extra name aliases.
 535
 536 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 537
 538         PR rtl-optimization/51924
 539         * ree.c (combine_set_extension): Improve debugging message.
 540         (combine_reaching_defs): Likewise.
 541         (get_defs): Rename confusingly named variable.
 542         (find_and_remove_re): Skip a candidate if the extension expression has
 543         been modified.
 544
 545 2012-01-21  Robert Millan  <rmh@gnu.org>
 546             Gerald Pfeifer  <gerald@pfeifer.com>
 547
 548         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 549         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 550
 551 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 552
 553         PR tree-optimization/51914
 554         * tree-vect-stmts.c (vectorizable_conversion): For
 555         cvt_type && modifier == WIDEN, put temporary with cvt_type
 556         at the beginning of vec_dsts and set vec_dest to temporary
 557         with vectype_out.
 558
 559 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 560
 561         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 562
 563 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 564
 565         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 566         * config/rs6000/rs6000.c: Likewise.
 567
 568 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 569
 570         PR target/51915
 571         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 572         output_move_double on a copy of operands array.
 573
 574 2012-01-20  Cary Coutant  <ccoutant@google.com>
 575             Dodji Seketeli  <dodji@redhat.com>
 576
 577         PR debug/45682
 578         * dwarf2out.c (copy_declaration_context): Return ref to parent
 579         of declaration DIE, if necessary.
 580         (remove_child_or_replace_with_skeleton): Add new parameter; update
 581         caller.  Place skeleton DIE under parent DIE of original declaration.
 582         Move call to copy_declaration_context to here ...
 583         (break_out_comdat_types): ... from here.
 584
 585 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 586
 587         PR rtl-optimization/51856
 588         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 589         flag to reloaded.
 590
 591 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 592
 593         PR target/51819
 594         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 595         hints for neon loads and stores.
 596
 597 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 598
 599         PR target/49868
 600         PR target/50887
 601         * doc/extend.texi (Named Address Spaces): Split into subsections.
 602         (AVR Named Address Spaces): New subsection.
 603         (M32C Named Address Spaces): New subsection.
 604         (RL78 Named Address Spaces): New subsection.
 605         (SPU Named Address Spaces): New subsection.
 606         (Variable Attributes): New anchor "AVR Variable Attributes".
 607         (AVR Variable Attributes): Rewrite and avoid wording
 608         "address space" in this context.
 609         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 610         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 611         (AVR Built-in Macros): New subsubsection therein.
 612         * doc/md.texi (AVR constraints): Remove "C04", "R".
 613
 614 2012-01-20  Richard Guenther  <rguenther@suse.de>
 615
 616         PR tree-optimization/51903
 617         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 618         when removing stmts.
 619
 620 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 621
 622         PR target/50313
 623         * config/arm/arm.c (arm_load_pic_register): Use
 624         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 625         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 626         (arm_pic_static_addr): Likewise.
 627         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 628         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 629         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 630         (pic_load_addr_unified): New.
 631
 632 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 633
 634         PR target/51106
 635         * function.c (instantiate_virtual_regs_in_insn): Use
 636         delete_insn_and_edges when removing a wrong asm insn.
 637
 638 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 639
 640         PR rtl-optimization/40761
 641         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 642         Add new member loop_num.
 643         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 644         (ira_build): Remove the parameter.
 645
 646         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 647         (ira.c): Do not build CFG loops for one region allocation.  Remove
 648         argument from ira_build call.
 649
 650         * ira-build.c (init_loop_tree_node): New function.
 651         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 652         loops are not built.
 653         (more_one_region_p): Check current_loops.
 654         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 655         built.
 656         (add_loop_to_tree): Process loop equal to NULL too.
 657         (form_loop_tree): Separate the case when CFG loops are not built.
 658         Use explicitly number for the root.
 659         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 660         an assertion.
 661         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 662         instead of loop->num.
 663         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 664         (mark_all_loops_for_removal): Ditto.
 665         (remove_unnecessary_regions): Separate the case when CFG loops
 666         are not built.
 667         (ira_build): Remove the parameter.  Use explicit number of regions
 668         when CFG loops are not built.
 669
 670         * ira-color.c (print_loop_title): Separate the case for the root node.
 671         Use loop_num instead of loop->num.
 672         (move_spill_restore): Use loop_num instead of loop->num.
 673
 674         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 675         (change_loop): Ditto.
 676         (change_loop): Use loop_num instead of loop->num.
 677
 678         * ira-lives.c (process_bb_node_lives): Ditto.
 679
 680         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 681
 682         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 683
 684 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 685
 686         PR libmudflap/40778
 687         * tree-mudflap.c (mf_artificial): New function.
 688         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 689         mx_register_decls, mudflap_enqueue_decl): Use it.
 690
 691         PR target/51876
 692         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 693         numbers in the insn pattern.
 694
 695 2012-01-19  Michael Matz  <matz@suse.de>
 696
 697         PR tree-optimization/46590
 698         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 699         use it in remembering which conflicts we already created.
 700         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 701         bitmap.
 702
 703 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 704
 705         PR lto/51280
 706         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 707         (merge_and_complain): Same.
 708
 709 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 710
 711         PR bootstrap/50237
 712         * config/initfini-array.h: Guard content of the header
 713         with #ifdef HAVE_INITFINI_ARRAY.
 714         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 715         Add initfini-array.h to tm_file here.
 716         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 717         * config.gcc: Don't add initfini-array.h to tm_file here.
 718         * configure: Regenerated.
 719
 720 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 721
 722         PR rtl-optimization/51505
 723         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 724         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 725         (df_note_bb_compute): Update the call to df_kill_notes.
 726
 727 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 728
 729         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 730
 731 2012-01-18  Richard Guenther  <rguenther@suse.de>
 732
 733         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 734         of conversions to void *.
 735
 736 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 737             Richard Sandiford  <rdsandiford@googlemail.com>
 738
 739         PR middle-end/50325
 740         PR middle-end/51192
 741         * optabs.h (simplify_expand_binop): Declare.
 742         * optabs.c (simplify_expand_binop): Make global.
 743         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 744         endian targets if the source cannot be exactly covered by word
 745         mode chunks.
 746
 747 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 748
 749         PR bootstrap/51872
 750         * hard-reg-set.h (struct hard_reg_set_container): New type.
 751         * target.h (struct hard_reg_set_container): Forward declare.
 752         * target.def (set_up_by_prologue): New target hook.
 753         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 754         * doc/tm.texi: Regenerated.
 755         * function.c (thread_prologue_and_epilogue_insns): Change
 756         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 757         Call targetm.set_up_by_prologue on it.
 758         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 759         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 760
 761 2012-01-17  Nick Clifton  <nickc@redhat.com>
 762
 763         * config/rx/rx.c (rx_can_use_simple_return): New function.
 764         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 765         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 766
 767 2012-01-17  Richard Guenther  <rguenther@suse.de>
 768
 769         PR middle-end/51782
 770         * expr.c (expand_assignment): Take address-space information
 771         from the address operand of MEM_REF and TARGET_MEM_REF.
 772         (expand_expr_real_1): Likewise.
 773
 774 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 775
 776         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 777         reload dump is requested.
 778
 779 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 780
 781         PR other/51165
 782         * trans-mem.c (requires_barrier): Call may_be_aliased.
 783
 784 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 785
 786         PR tree-optimization/51877
 787         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 788         call arguments and fndecls compare equal, instead return false if they
 789         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 790         both SSA_NAMEs that are valueized the same, or they satisfy
 791         operand_equal_p.
 792
 793 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 794
 795         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 796         Solaris 11+.
 797         * configure: Regenerate.
 798
 799 2012-01-16  Jan Hubicka  <jh@suse.cz>
 800
 801         PR c/12245
 802         PR c++/14179
 803         * convert.c (convert_to_integer): Use fold_convert for
 804         converting an INTEGER_CST to integer type.
 805
 806 2012-01-16  Jason Merrill  <jason@redhat.com>
 807
 808         PR c++/14179
 809         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 810
 811 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 812
 813         PR bootstrap/51860
 814         * config/s390/s390.c (s390_chunkify_start): Don't skip
 815         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 816         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 817         If insn is followed by NOTE_INSN_VAR_LOCATION or
 818         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 819         Don't use location of note insns.
 820
 821         PR tree-optimization/51865
 822         * tree-inline.c (tree_function_versioning): Call remap_decl
 823         on DECL_RESULT whenever it has VOID_TYPE_P type.
 824
 825 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 826
 827         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 828         for calls to locally-binding MIPS16 functions if only the return
 829         type uses float regs.
 830
 831 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 832             Richard Sandiford  <rdsandiford@googlemail.com>
 833
 834         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 835         (SYMBOL_32_HIGH): Likewise.
 836         (mips_output_tls_reloc_directive): Declare.
 837         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 838         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 839         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 840         (mips_lo_relocs, mips_hi_relocs): Make extern.
 841         (mips16_stub_function): Move up file.
 842         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 843         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 844         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 845         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 846         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 847         (mips_get_tp): Add MIPS16 support.
 848         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 849         Generalize DTPREL and TPREL handling.
 850         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 851         Add MIPS16 TLS support.
 852         (mips_output_tls_reloc_directive): New function.
 853         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 854         * config/mips/predicates.md (symbolic_operand_with_high)
 855         (tls_reloc_operand): New predicates.
 856         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 857         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 858         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 859         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
 860         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 861         (*tls_get_tp_mips16_call_<mode>): Likewise.
 862
 863 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 864
 865         PR rtl-optimization/51821
 866         * recog.c (peep2_find_free_register): Determine clobbered registers
 867         from insn pattern.
 868
 869 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 870
 871         PR target/50925
 872         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 873         * config/avr/avr.c: Likewise.
 874         * config/avr/avr.h: Likewise.
 875
 876 2012-01-13  Ian Lance Taylor  <iant@google.com>
 877
 878         PR c++/50012
 879         * tree.h (TYPE_QUALS): Add cast to int.
 880         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 881
 882 2012-01-13  Ian Lance Taylor  <iant@google.com>
 883
 884         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 885         comparing param_index to VEC_length result.
 886
 887 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 888
 889         * c-decl.c: Do not include tree-mudflap.h
 890         * tree-optimize.c: Likewise.
 891         * Makefile.in: Update dependencies.
 892
 893 2012-01-13  Richard Guenther  <rguenther@suse.de>
 894
 895         PR middle-end/8081
 896         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 897         variable-sized result always use RSO.
 898
 899 2012-01-12  DJ Delorie  <dj@redhat.com>
 900
 901         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 902         pointer type, not just the default pointer type.
 903
 904 2012-01-09  Richard Henderson  <rth@redhat.com>
 905             Denis Chertykov  <chertykov@gmail.com>
 906
 907         PR target/50925
 908         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 909         * config/avr/avr.c (avr_can_eliminate): Simplify.
 910         (avr_initial_elimination_offset): Likewise.
 911         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 912         (expand_epilogue): Likewise.
 913         (avr_legitimize_address): Gut.
 914         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 915         (avr_hard_regno_nregs): New.
 916         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 917         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 918         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 919         add soft frame pointer.
 920         (CALL_USED_REGISTERS): Likewise.
 921         (REG_CLASS_CONTENTS): Likewise.
 922         (REGISTER_NAMES): Likewise.
 923         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 924         (HARD_FRAME_POINTER_REGNUM): New.
 925         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 926         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 927         remove the HARD_FRAME_POINTER self-elimination.
 928
 929 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 930
 931         PR target/51756
 932         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 933         DECL_EXTERNAL when checking for initializers of progmem variables.
 934
 935 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 936
 937         PR tree-optimization/51799
 938         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 939         that the last operation is a type demotion.
 940
 941 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 942
 943         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 944         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 945
 946 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 947
 948         PR bootstrap/51796
 949         * combine.c (distribute_notes): If i3 is a noreturn call,
 950         allow old_size to be equal to args_size and make sure the
 951         noreturn call gets REG_ARGS_SIZE note.
 952         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 953         on noreturn calls even when the delta is 0.
 954
 955 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 956
 957         * gcov.c (STRING_SIZE): Remove.
 958         (generate_results): Erase annotations for source files with no
 959         coverage information.
 960         (read_line): New.
 961         (output_lines): Use it.
 962
 963 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 964
 965         * gimple.h (gimplify_body): Remove first argument.
 966         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 967         pointer set here, instead just pass DATA to walk_tree.
 968         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 969         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 970         (unvisit_body): Likewise, but with unmark_visited.
 971         (gimplify_body): Remove BODY_P argument and adjust.
 972         (gimplify_function_tree): Adjust call to gimplify_body.
 973         * omp-low.c (finalize_task_copyfn): Likewise.
 974
 975 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 976
 977         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 978         (build_function_type_skip_args): Delete.
 979         * tree.c (build_function_type_skip_args): Make static and add
 980         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 981         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 982         pass it to build_function_type_skip_args.
 983         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 984         (tree_function_versioning): Likewise.
 985         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 986         build_function_decl_skip_args.
 987         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 988         and pass it to build_function_decl_skip_args/tree_function_versioning.
 989         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 990         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 991         * trans-mem.c (ipa_tm_create_version): Likewise.
 992         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 993         * tree-inline.c (declare_return_variable): Remove always-true test.
 994         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 995         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 996         * ipa-split.c (split_function): Skip the return value for the split
 997         part if it doesn't return.
 998
 999 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1000
1001         PR tree-optimization/49642
1002         * ipa-split.c (forbidden_dominators): New variable.
1003         (check_forbidden_calls): New function.
1004         (dominated_by_forbidden): Likewise.
1005         (consider_split): Check for forbidden dominators.
1006         (execute_split_functions): Initialize and free forbidden
1007         dominators info; call check_forbidden_calls.
1008
1009 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1010
1011         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1012
1013 2012-01-11  Nick Clifton  <nickc@redhat.com>
1014
1015         * config/rx/rx.md (return): Define pattern.
1016
1017 2012-01-11  Richard Guenther  <rguenther@suse.de>
1018
1019         * doc/extend.texi (malloc attribute): Adjust according to
1020         implementation.
1021
1022 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1023             Patrick Marlier  <patrick.marlier@gmail.com>
1024
1025         PR middle-end/51516
1026         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1027         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1028         (ipa_tm_note_irrevocable): Same.
1029         (ipa_tm_scan_irr_block): Same.
1030         (ipa_tm_decrement_clone_counts): Same.
1031         (ipa_tm_scan_irr_function): Same.
1032         (ipa_tm_create_version_alias): Same.
1033         (ipa_tm_create_version): Same.
1034         (ipa_tm_transform_calls_redirect): Same.
1035         (ipa_tm_transform_calls): Same.
1036         (ipa_tm_transform_transaction): Same.
1037         (ipa_tm_execute): Same.
1038
1039 2012-01-10  Richard Guenther  <rguenther@suse.de>
1040
1041         PR middle-end/51806
1042         * opts.c (common_handle_option): Handle -Werror.
1043
1044 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1045
1046         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1047         operand number.
1048
1049 2012-01-10  Jason Merrill  <jason@redhat.com>
1050
1051         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1052         information.
1053
1054 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1055
1056         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1057         supports R_386_TLS_GD_PLT reloc.
1058         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1059         supports R_386_TLS_LDM_PLT reloc.
1060         * configure: Regenerate.
1061         * config.in: Regenerate.
1062
1063 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1064
1065         PR target/49868
1066         Extend __pgmx semantics to linearize memory.
1067         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1068         determine if code comes inline or from libgcc.
1069         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1070         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1071         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1072         (movmemx_qi, movmemx_hi): New insns.
1073         (xload_<mode>_libgcc): Rewrite to new insn condition.
1074         (xload_<mode>): Remove insns.
1075         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1076         cases that don't satisfy avr_xload_libgcc_p().
1077         (avr_addr_space_convert): Allow converting in any direction.
1078         (avr_addr_space_subset_p): Return always true.
1079         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1080         (avr_emit_movmemhi): Ditto.
1081         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1082         (avr_out_movmem): Ditto.
1083         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1084         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1085         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1086         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1087         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1088
1089 2012-01-10  Richard Guenther  <rguenther@suse.de>
1090
1091         PR tree-optimization/50913
1092         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1093         Require data-refs to be representable by Graphite with respect
1094         to any loop nest.
1095
1096 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1097
1098         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1099         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1100
1101 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1102
1103         PR rtl-optimization/51271
1104         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1105         handling annulled branch.
1106
1107 2012-01-10  Richard Henderson  <rth@redhat.com>
1108
1109         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1110         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1111         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1112         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1113         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1114         arm_expand_vec_perm_const): New.
1115         * config/arm/arm-protos.h: Update.
1116         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1117         (*neon_vswp<VDQX>): New.
1118         (neon_vcombine<VDX>): Use neon_split_vcombine.
1119         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1120         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1121         (vec_perm<VE>): New.
1122
1123 2012-01-10  Richard Henderson  <rth@redhat.com>
1124
1125         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1126         use it if reload_completed.
1127         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1128         arm_output_asm_insn, arm_process_output_memory_barrier,
1129         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1130         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1131         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1132         arm_process_output_sync_insn, arm_output_sync_insn,
1133         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1134         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1135         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1136         (emit_unlikely_jump): New.
1137         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1138         (arm_split_atomic_op): New.
1139         * config/arm/arm-protos.h: Update.
1140         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1141         (struct arm_sync_generator): Remove.
1142         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1143         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1144         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1145         (VUNSPEC_LL, VUNSPEC_SC): New.
1146         (sync_result, sync_memory, sync_required_value, sync_new_value,
1147         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1148         (attr length): Don't use arm_sync_loop_insns.
1149         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1150         (movsfcc, movdfcc): Likewise.
1151         * config/arm/constraints.md (Ua): New.
1152         * config/arm/prediates.md (mem_noofs_operand): New.
1153         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1154         (sync_clobber, sync_t2_reqd): Remove.
1155         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1156         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1157         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1158         (arm_sync_compare_and_swap<SIDI>): Remove.
1159         (arm_sync_compare_and_swap<NARROW>): Remove.
1160         (arm_sync_lock_test_and_set<SIDI>): Remove.
1161         (arm_sync_lock_test_and_set<NARROW>): Remove.
1162         (arm_sync_new_<syncop><SIDI>): Remove.
1163         (arm_sync_new_<syncop><NARROW>): Remove.
1164         (arm_sync_new_nand<SIDI>): Remove.
1165         (arm_sync_new_nand<NARROW>): Remove.
1166         (arm_sync_old_<syncop><SIDI>): Remove.
1167         (arm_sync_old_<syncop><NARROW>): Remove.
1168         (arm_sync_old_nand<SIDI>): Remove.
1169         (arm_sync_old_nand<NARROW>): Remove.
1170         (*memory_barrier): Merge arm_output_memory_barrier.
1171         (atomic_compare_and_swap<QHSD>): New.
1172         (atomic_compare_and_swap<NARROW>_1): New.
1173         (atomic_compare_and_swap<SIDI>_1): New.
1174         (atomic_exchange<QHSD>): New.
1175         (cas_cmp_operand, cas_cmp_str): New.
1176         (atomic_op_operand, atomic_op_str): New.
1177         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1178         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1179         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1180         (arm_load_exclusive<NARROW>): New.
1181         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1182         (arm_store_exclusive<QHSD>): New.
1183
1184 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1185
1186         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1187         reload patterns if -mvsx-scalar-memory.
1188
1189         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1190         generated, even -mno-vsx-scalar-double was used.
1191         (vsx_xscvdpsp_scalar): Likewise.
1192         (vsx_xscvspdp_scalar2): Likewise.
1193
1194 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1195             Andrew Pinski  <apinski@cavium.com>
1196
1197         PR debug/51471
1198         * reorg.c (fill_slots_from_thread): Don't speculate
1199         frame-related insns.
1200
1201 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1202
1203         * sched-int.h (bb_note): Move to...
1204         * basic-block.h: ...here.
1205         * haifa-sched.c (bb_note): Move to...
1206         * cfgrtl.c: ...here.
1207         * function.c (next_block_for_reg): New function.
1208         (move_insn_for_shrink_wrap): Likewise.
1209         (prepare_shrink_wrap): Rewrite to use the above.
1210
1211 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1212
1213         * gimple.c (is_gimple_non_addressable): Remove.
1214         * gimple.h: Remove is_gimple_non_addressable.
1215         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1216         is_gimple_non_addressable.
1217         * trans-mem.c (expand_assign_tm): Same.
1218
1219 2012-01-09  Richard Guenther  <rguenther@suse.de>
1220
1221         PR tree-optimization/51775
1222         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1223         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1224
1225 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1226
1227         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1228         tuning parameters.
1229         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1230
1231 2012-01-09  Richard Guenther  <rguenther@suse.de>
1232
1233         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1234
1235 2012-01-08  Jan Hubicka  <jh@suse.cz>
1236
1237         PR tree-optimize/51680
1238         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1239         on when known_vals needs to be computed; cleanup.
1240
1241 2012-01-08  Jan Hubicka  <jh@suse.cz>
1242
1243         PR tree-optimize/51694
1244         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1245
1246 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1247
1248         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1249         for -std=c++98 and -std=c++11 too.
1250
1251 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1252
1253         * cfgloop.c (cancel_loop): Add free() of bbs array.
1254
1255 2012-01-07  Jan Hubicka  <jh@suse.cz>
1256
1257         PR tree-optimization/51600
1258         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1259         that benefits small functions.
1260
1261 2012-01-07  Jan Hubicka  <jh@suse.cz>
1262
1263         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1264
1265 2012-01-07  Jan Hubicka  <jh@suse.cz>
1266
1267         PR tree-optimization/51680
1268         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1269         whose inlining reduce unit size.
1270
1271 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1272
1273         PR bootstrap/51725
1274         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1275         Add canonical node to containing_mem chain after the non-canonical
1276         one, even if there weren't any locs to propagate.
1277         (remove_useless_values): Keep only canonical values.
1278         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1279         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1280         canonicalize mem_chain elements that are not discarded.
1281
1282 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1283
1284         PR target/47333
1285         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1286         before emitting functions.
1287
1288         PR gcov-profile/50127
1289         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1290         clear_aux_for_blocks.
1291
1292 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1293
1294         PR debug/51746
1295         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1296
1297 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1298
1299         * c-decl.c (ext_block): Moved up.
1300         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1301
1302 2012-01-06  Han Shen  <shenhan@google.com>
1303
1304         Translate built-in include paths for sysroot.
1305         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1306         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1307
1308         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1309         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1310
1311         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1312         control whether sysroot should be prepended to gxx include dir.
1313
1314         * configure: Regenerate.
1315
1316 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1317
1318         PR rtl-optimization/51771
1319         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1320         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1321
1322 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1323
1324         PR tree-optimization/51315
1325         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1326         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1327
1328 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1329
1330         PR target/51681
1331         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1332         for shrp pattern.  Correctly handle and fixup shift variable.
1333         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1334
1335 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1336
1337         PR debug/51762
1338         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1339         note when !ACCUMULATE_OUTGOING_ARGS.
1340
1341 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1342
1343         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1344         condition.
1345         (extract_range_from_unary_expr_1): Avoid useless computations.
1346
1347 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1348
1349         PR rtl-optimization/51767
1350         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1351         of jump_block and add an extra edge for degenerated asm gotos.
1352
1353         PR middle-end/51768
1354         * stmt.c (check_unique_operand_names): Don't ICE during error
1355         reporting if i is from labels chain.
1356
1357         PR middle-end/44777
1358         * profile.c (branch_prob): Split bbs that have exit edge
1359         and need a fake entry edge too.
1360
1361 2012-01-05  Jan Hubicka  <jh@suse.cz>
1362
1363         PR middle-end/49710
1364         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1365         unlooping loops.
1366
1367 2012-01-05  Richard Guenther  <rguenther@suse.de>
1368
1369         PR lto/50490
1370         * tree-streamer-out.c (write_ts_optimization): New function.
1371         (streamer_write_tree_body): Call it.
1372         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1373         (streamer_read_tree_body): Call it.
1374         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1375
1376 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1377
1378         PR middle-end/51761
1379         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1380         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1381         in_cleanup_point_expr before gimplify_stmt call and restore it
1382         afterwards.
1383         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1384         in_cleanup_point_expr is false.
1385
1386 2012-01-05  Richard Guenther  <rguenther@suse.de>
1387
1388         PR middle-end/51764
1389         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1390         to c.opt.
1391         * toplev.c (process_options): Reject combining mudflap and LTO.
1392         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1393
1394 2012-01-05  Richard Guenther  <rguenther@suse.de>
1395
1396         PR tree-optimization/51760
1397         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1398         not VARYING.
1399         (bit_value_unop): Handle UNDEFINED operands.
1400         (bit_value_binop): Likewise.
1401
1402 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1403
1404         * config/avr/avr.c (avr_replace_prefix): Remove.
1405         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1406         (avr_asm_function_rodata_section): Ditto.
1407         (avr_asm_select_section): Ditto.
1408
1409 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1410
1411         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1412         insertion.
1413
1414 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1415
1416         PR bootstrap/51648
1417         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1418         calls that have any non-fake successor edges.
1419
1420         PR debug/51746
1421         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1422
1423 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1424
1425         PR tree-optimization/51624
1426         * tree-sra.c (build_ref_for_model): When replicating a chain of
1427         COMPONENT_REFs, stop as soon as the offset would become negative.
1428
1429 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1430
1431         PR debug/51695
1432         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1433         in .debug_loc on the floor.
1434
1435 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1436
1437         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1438
1439 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1440             Adam Nemet  <anemet@caviumnetworks.com>
1441
1442         * config/mips/mips.md (size): Add SI and DI.
1443         (SIZE): New mode attribute.
1444         (U): New code attribute.
1445         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1446         (mips_lbux_<mode>): Delete.
1447         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1448         (mips_lhx): Use gen_mips_lhx_extsi.
1449         (mips_lhx_<mode>): Delete.
1450         (mips_lwx): Delete.
1451         (mips_l<size>x): New expand.
1452         (mips_lwx_<mode>): Delete.
1453         (mips_l<GPR:size>x_<P:mode>): New pattern.
1454         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1455         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1456         * config/mips/mips.c (mips_lx_address_p): New function.
1457         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1458         (dsp64): New availability predicate.
1459         (mips_builtins): Add an entry for __builtin_mips_ldx.
1460         * config/mips/mips.h (ISA_HAS_LBX): New define.
1461         (ISA_HAS_LBUX): Likewise.
1462         (ISA_HAS_LHX): Likewise.
1463         (ISA_HAS_LHUX): Likewise.
1464         (ISA_HAS_LWX): Likewise.
1465         (ISA_HAS_LWUX): Likewise.
1466         (ISA_HAS_LDX): Likewise.
1467         * doc/extend.texi (__builtin_mips_ldx): Document.
1468
1469 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1470
1471         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1472         when long pointers are used.
1473         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1474         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1475         (ia64-hp-*vms*): Remove.
1476         * config/vms/xm-vms64.h: Delete.
1477
1478 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1479
1480         PR middle-end/51472
1481         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1482
1483 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1484
1485         * opts.c (finish_options): Remove duplicate sorry.
1486
1487 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1488
1489         PR middle-end/51696
1490         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1491         correctly.
1492
1493 2012-01-04  Richard Guenther  <rguenther@suse.de>
1494
1495         PR middle-end/51750
1496         * tree.c (size_low_cst): New function.
1497         * tree.h (size_low_cst): Declare.
1498         * fold-const.c (fold_comparison): Use it to extract the low
1499         part of the POINTER_PLUS_EXPR offset.
1500
1501 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1502
1503         Fix clearing ZERO_REG
1504         * config/avr/avr.md (cc): Add alternative "ldi".
1505         (movqi_insn): Use it in cc attribute.
1506         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1507         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1508         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1509
1510 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1511
1512         * configure: Regenerate.
1513
1514 2012-01-04  Richard Guenther  <rguenther@suse.de>
1515
1516         PR tree-optimization/49651
1517         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1518         (var_can_have_subvars): Use it.
1519         (get_constraint_for_1): Only consider subfields if there can be any.
1520
1521 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1522
1523         PR bootstrap/51725
1524         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1525         to its new canonical_cselib_val and the cselib_val was in
1526         first_containing_mem chain, but the canonical_cselib_val was not,
1527         add the latter into the chain.
1528         (cselib_invalidate_mem): Compare canonical_cselib_val of
1529         addr_list chain elt with v.
1530
1531         PR pch/51722
1532         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1533         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1534         of xstrdup.
1535         (output_macinfo_op): Don't ggc_strdup fd->filename.
1536         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1537         then ggc_strdup it.  Don't free inc->info or cur->info.
1538         (output_macinfo): Don't free ref->info or file->info.
1539
1540 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1541
1542         PR tree-optimization/51269
1543         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1544         first_niters a pointer.
1545         (slpeel_tree_peel_loop_to_edge): Likewise.
1546         (vect_do_peeling_for_loop_bound): Update call to
1547         slpeel_tree_peel_loop_to_edge.
1548         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1549         here.  Remove it from the parameters list.
1550         (vect_do_peeling_for_alignment): Update calls and compute
1551         wide_prolog_niters.
1552
1553 2012-01-03  Richard Guenther  <rguenther@suse.de>
1554
1555         PR tree-optimization/51070
1556         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1557         Properly handle calls.
1558
1559 2012-01-03  Richard Guenther  <rguenther@suse.de>
1560
1561         PR tree-optimization/51692
1562         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1563         the LHS of allocation stmts.
1564
1565 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1566
1567         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1568
1569 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1570
1571         * collect2.c (main): In AIX specific computations for vector
1572         insertions, use CONST_CAST2 to cast from char ** to const char **.
1573
1574 2012-01-03  Richard Guenther  <rguenther@suse.de>
1575
1576         PR debug/51650
1577         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1578         the context of a limbo DIE when it does not already exist.
1579
1580 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1581
1582         PR tree-optimization/51719
1583         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1584         but direct call is, clear direct call's lhs and don't add fallthrough
1585         edge from dcall_bb to join_bb and PHIs.
1586
1587 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1588
1589         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1590         the instructions emitted by the pattern.
1591         ("*TDC_insn_<mode>"): Add comment.
1592
1593 2012-01-03  Richard Guenther  <rguenther@suse.de>
1594
1595         PR middle-end/51730
1596         * fold-const.c (fold_comparison): Properly canonicalize
1597         tree offset and HOST_WIDE_INT bit position.
1598
1599 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1600
1601         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1602         operands for extzv pattern.
1603
1604 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1605
1606         PR bootstrap/51725
1607         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1608         on mem_elt first.
1609
1610 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1611
1612         * doc/invoke.texi (-flto and related options): Copy-edit.
1613
1614 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1615
1616         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1617
1618 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1619
1620         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1621         New patterns.
1622
1623 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1624
1625         * expr.h (move_by_pieces_ninsns): Declare.
1626         * expr.c (move_by_pieces_ninsns): Make external.
1627         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1628         (mips_store_by_pieces_p): Likewise.
1629         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1630         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1631         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1632         (mips_store_by_pieces_p): Likewise.
1633
1634 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1635
1636         * passes.c (register_one_dump_file): Free full_name.
1637
1638         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1639         (calculate_elim_costs_all_insns): Free offsets_at and
1640         offsets_known_at at the end and clear the pointers.
1641
1642 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1643
1644         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1645         this option introduced in r180739.
1646
1647 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1648
1649         PR target/51345
1650         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1651         (tmake_file target=avr): Add avr/t-multilib.
1652
1653         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1654         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1655         * config/avr/genmultilib.awk: New file.
1656         * config/avr/t-multilib: New auto-generated file.
1657         * config/avr/multilib.h: New auto-generated file.
1658         * config/avr/t-avr (AVR_MCUS): New variable.
1659         (genopt.sh): Use it.
1660         (s-mlib): Depend on t-multilib.
1661         (t-multilib, multilib.h): New dependencies.
1662         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1663         (MULTILIB_OPTIONS): Remove.
1664         (MULTILIB_MATCHES): Remove.
1665         (MULTILIB_DIRNAMES): Remove.
1666         (MULTILIB_EXCEPTIONS): Remove:
1667         * config/avr/genopt.sh: Don't use hard coded file name;
1668         pass AVR_MCUS from t-avr instead.
1669
1670 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1671
1672         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1673
1674 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1675
1676         Implement light-weight DImode support.
1677         * config/avr/avr-dimode.md: New file.
1678         * config/avr/avr.md: Include it.
1679         (adjust_len): Add plus64, compare64.
1680         (HIDI): Remove code iterator.
1681         (code_stdname): New code attribute.
1682         (rotx, rotsmode): Remove DI.
1683         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1684         as code iterator.
1685         * config/avr/avr-protos.h (avr_have_dimode): New.
1686         (avr_out_plus64, avr_out_compare64): New.
1687         * config/avr/avr.c (avr_out_compare): Handle DImode.
1688         (avr_have_dimode): New variable definition and initialization.
1689         (avr_out_compare64, avr_out_plus64): New functions.
1690         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1691         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1692         (avr_compare_pattern): Skip DImode comparisons.
1693
1694 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1695
1696         * ddg.c (def_has_ccmode_p): New function.
1697         (add_cross_iteration_register_deps,
1698         create_ddg_dep_from_intra_loop_link): Call it.
1699
1700 2012-01-02  Richard Guenther  <rguenther@suse.de>
1701
1702         PR other/51679
1703         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1704
1705 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1706
1707         * gcc.c (process_command): Update copyright notice dates.
1708         * gcov.c (print_version): Likewise.
1709         * gcov-dump.c (print_version): Likewise.
1710         * mips-tfile.c (main): Likewise.
1711         * mips-tdump.c (main): Likewise.
1712
1713 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1714
1715         PR tree-optimization/51704
1716         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1717         a use is inside the basic block or loop before accessing its vect info.
1718
1719 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1720
1721         PR rtl-optimization/51069
1722         * cfgloopmanip.c (remove_path): Removing path making irreducible
1723         region unconditional makes BB part of the region.
1724
1725 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1726
1727         PR tree-optimization/51683
1728         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1729         calls with side-effects.
1730         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1731 \f
1732 Copyright (C) 2012 Free Software Foundation, Inc.
1733
1734 Copying and distribution of this file, with or without modification,
1735 are permitted in any medium without royalty provided the copyright
1736 notice and this notice are preserved.