gcc/ChangeLog

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