gcc/ChangeLog

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