gcc/ChangeLog

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