gcc/ChangeLog

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