gcc/ChangeLog

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