gcc/ChangeLog

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