gcc/ChangeLog

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