gcc/ChangeLog

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