gcc/ChangeLog

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