gcc/ChangeLog

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