gcc/ChangeLog

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