gcc/ChangeLog

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