gcc/ChangeLog

   1 2012-01-17  Richard Guenther  <rguenther@suse.de>
   2
   3         PR middle-end/51782
   4         * expr.c (expand_assignment): Take address-space information
   5         from the address operand of MEM_REF and TARGET_MEM_REF.
   6         (expand_expr_real_1): Likewise.
   7
   8 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   9
  10         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
  11         reload dump is requested.
  12
  13 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
  14
  15         PR other/51165
  16         * trans-mem.c (requires_barrier): Call may_be_aliased.
  17
  18 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
  19
  20         PR tree-optimization/51877
  21         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
  22         call arguments and fndecls compare equal, instead return false if they
  23         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
  24         both SSA_NAMEs that are valueized the same, or they satisfy
  25         operand_equal_p.
  26
  27 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  28
  29         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
  30         Solaris 11+.
  31         * configure: Regenerate.
  32
  33 2012-01-16  Jan Hubicka  <jh@suse.cz>
  34
  35         PR c/12245
  36         PR c++/14179
  37         * convert.c (convert_to_integer): Use fold_convert for
  38         converting an INTEGER_CST to integer type.
  39
  40 2012-01-16  Jason Merrill  <jason@redhat.com>
  41
  42         PR c++/14179
  43         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
  44
  45 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
  46
  47         PR bootstrap/51860
  48         * config/s390/s390.c (s390_chunkify_start): Don't skip
  49         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
  50         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
  51         If insn is followed by NOTE_INSN_VAR_LOCATION or
  52         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
  53         Don't use location of note insns.
  54
  55         PR tree-optimization/51865
  56         * tree-inline.c (tree_function_versioning): Call remap_decl
  57         on DECL_RESULT whenever it has VOID_TYPE_P type.
  58
  59 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
  60
  61         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
  62         for calls to locally-binding MIPS16 functions if only the return
  63         type uses float regs.
  64
  65 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
  66             Richard Sandiford  <rdsandiford@googlemail.com>
  67
  68         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
  69         (SYMBOL_32_HIGH): Likewise.
  70         (mips_output_tls_reloc_directive): Declare.
  71         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
  72         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
  73         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
  74         (mips_lo_relocs, mips_hi_relocs): Make extern.
  75         (mips16_stub_function): Move up file.
  76         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
  77         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
  78         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
  79         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead
  80         of SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1
  81         if it's false.
  82         (mips_get_tp): Add MIPS16 support.
  83         (mips_legitimize_tls_address): Remove MIPS16 sorry().
  84         Generalize DTPREL and TPREL handling.
  85         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
  86         Add MIPS16 TLS support.
  87         (mips_output_tls_reloc_directive): New function.
  88         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
  89         * config/mips/predicates.md (symbolic_operand_with_high)
  90         (tls_reloc_operand): New predicates.
  91         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
  92         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
  93         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
  94         (*unshifted_high): New instruction.  Use it for MIPS16
  95         high splitter.
  96         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
  97         (*tls_get_tp_mips16_call_<mode>): Likewise.
  98
  99 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 100
 101         PR rtl-optimization/51821
 102         * recog.c (peep2_find_free_register): Determine clobbered registers
 103         from insn pattern.
 104
 105 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 106
 107         PR target/50925
 108         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 109         * config/avr/avr.c: Likewise.
 110         * config/avr/avr.h: Likewise.
 111
 112 2012-01-13  Ian Lance Taylor  <iant@google.com>
 113
 114         PR c++/50012
 115         * tree.h (TYPE_QUALS): Add cast to int.
 116         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 117
 118 2012-01-13  Ian Lance Taylor  <iant@google.com>
 119
 120         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 121         comparing param_index to VEC_length result.
 122
 123 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 124
 125         * c-decl.c: Do not include tree-mudflap.h
 126         * tree-optimize.c: Likewise.
 127         * Makefile.in: Update dependencies.
 128
 129 2012-01-13  Richard Guenther  <rguenther@suse.de>
 130
 131         PR middle-end/8081
 132         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 133         variable-sized result always use RSO.
 134
 135 2012-01-12  DJ Delorie  <dj@redhat.com>
 136
 137         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 138         pointer type, not just the default pointer type.
 139
 140 2012-01-09  Richard Henderson  <rth@redhat.com>
 141             Denis Chertykov  <chertykov@gmail.com>
 142
 143         PR target/50925
 144         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 145         * config/avr/avr.c (avr_can_eliminate): Simplify.
 146         (avr_initial_elimination_offset): Likewise.
 147         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 148         (expand_epilogue): Likewise.
 149         (avr_legitimize_address): Gut.
 150         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 151         (avr_hard_regno_nregs): New.
 152         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 153         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 154         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 155         add soft frame pointer.
 156         (CALL_USED_REGISTERS): Likewise.
 157         (REG_CLASS_CONTENTS): Likewise.
 158         (REGISTER_NAMES): Likewise.
 159         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 160         (HARD_FRAME_POINTER_REGNUM): New.
 161         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 162         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 163         remove the HARD_FRAME_POINTER self-elimination.
 164
 165 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 166
 167         PR target/51756
 168         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 169         DECL_EXTERNAL when checking for initializers of progmem variables.
 170
 171 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 172
 173         PR tree-optimization/51799
 174         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 175         that the last operation is a type demotion.
 176
 177 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 178
 179         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 180         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 181
 182 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 183
 184         PR bootstrap/51796
 185         * combine.c (distribute_notes): If i3 is a noreturn call,
 186         allow old_size to be equal to args_size and make sure the
 187         noreturn call gets REG_ARGS_SIZE note.
 188         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 189         on noreturn calls even when the delta is 0.
 190
 191 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 192
 193         * gcov.c (STRING_SIZE): Remove.
 194         (generate_results): Erase annotations for source files with no
 195         coverage information.
 196         (read_line): New.
 197         (output_lines): Use it.
 198
 199 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 200
 201         * gimple.h (gimplify_body): Remove first argument.
 202         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 203         pointer set here, instead just pass DATA to walk_tree.
 204         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 205         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 206         (unvisit_body): Likewise, but with unmark_visited.
 207         (gimplify_body): Remove BODY_P argument and adjust.
 208         (gimplify_function_tree): Adjust call to gimplify_body.
 209         * omp-low.c (finalize_task_copyfn): Likewise.
 210
 211 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 212
 213         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 214         (build_function_type_skip_args): Delete.
 215         * tree.c (build_function_type_skip_args): Make static and add
 216         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 217         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 218         pass it to build_function_type_skip_args.
 219         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 220         (tree_function_versioning): Likewise.
 221         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 222         build_function_decl_skip_args.
 223         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 224         and pass it to build_function_decl_skip_args/tree_function_versioning.
 225         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 226         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 227         * trans-mem.c (ipa_tm_create_version): Likewise.
 228         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 229         * tree-inline.c (declare_return_variable): Remove always-true test.
 230         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 231         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 232         * ipa-split.c (split_function): Skip the return value for the split
 233         part if it doesn't return.
 234
 235 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 236
 237         PR tree-optimization/49642
 238         * ipa-split.c (forbidden_dominators): New variable.
 239         (check_forbidden_calls): New function.
 240         (dominated_by_forbidden): Likewise.
 241         (consider_split): Check for forbidden dominators.
 242         (execute_split_functions): Initialize and free forbidden
 243         dominators info; call check_forbidden_calls.
 244
 245 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 246
 247         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 248
 249 2012-01-11  Nick Clifton  <nickc@redhat.com>
 250
 251         * config/rx/rx.md (return): Define pattern.
 252
 253 2012-01-11  Richard Guenther  <rguenther@suse.de>
 254
 255         * doc/extend.texi (malloc attribute): Adjust according to
 256         implementation.
 257
 258 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 259             Patrick Marlier  <patrick.marlier@gmail.com>
 260
 261         PR middle-end/51516
 262         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 263         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 264         (ipa_tm_note_irrevocable): Same.
 265         (ipa_tm_scan_irr_block): Same.
 266         (ipa_tm_decrement_clone_counts): Same.
 267         (ipa_tm_scan_irr_function): Same.
 268         (ipa_tm_create_version_alias): Same.
 269         (ipa_tm_create_version): Same.
 270         (ipa_tm_transform_calls_redirect): Same.
 271         (ipa_tm_transform_calls): Same.
 272         (ipa_tm_transform_transaction): Same.
 273         (ipa_tm_execute): Same.
 274
 275 2012-01-10  Richard Guenther  <rguenther@suse.de>
 276
 277         PR middle-end/51806
 278         * opts.c (common_handle_option): Handle -Werror.
 279
 280 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 281
 282         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 283         operand number.
 284
 285 2012-01-10  Jason Merrill  <jason@redhat.com>
 286
 287         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 288         information.
 289
 290 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 291
 292         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 293         supports R_386_TLS_GD_PLT reloc.
 294         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 295         supports R_386_TLS_LDM_PLT reloc.
 296         * configure: Regenerate.
 297         * config.in: Regenerate.
 298
 299 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 300
 301         PR target/49868
 302         Extend __pgmx semantics to linearize memory.
 303         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 304         determine if code comes inline or from libgcc.
 305         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 306         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 307         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 308         (movmemx_qi, movmemx_hi): New insns.
 309         (xload_<mode>_libgcc): Rewrite to new insn condition.
 310         (xload_<mode>): Remove insns.
 311         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 312         cases that don't satisfy avr_xload_libgcc_p().
 313         (avr_addr_space_convert): Allow converting in any direction.
 314         (avr_addr_space_subset_p): Return always true.
 315         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 316         (avr_emit_movmemhi): Ditto.
 317         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 318         (avr_out_movmem): Ditto.
 319         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 320         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 321         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 322         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 323         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 324
 325 2012-01-10  Richard Guenther  <rguenther@suse.de>
 326
 327         PR tree-optimization/50913
 328         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 329         Require data-refs to be representable by Graphite with respect
 330         to any loop nest.
 331
 332 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 333
 334         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 335         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 336
 337 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 338
 339         PR rtl-optimization/51271
 340         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 341         handling annulled branch.
 342
 343 2012-01-10  Richard Henderson  <rth@redhat.com>
 344
 345         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 346         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 347         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 348         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 349         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 350         arm_expand_vec_perm_const): New.
 351         * config/arm/arm-protos.h: Update.
 352         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 353         (*neon_vswp<VDQX>): New.
 354         (neon_vcombine<VDX>): Use neon_split_vcombine.
 355         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 356         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 357         (vec_perm<VE>): New.
 358
 359 2012-01-10  Richard Henderson  <rth@redhat.com>
 360
 361         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 362         use it if reload_completed.
 363         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 364         arm_output_asm_insn, arm_process_output_memory_barrier,
 365         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 366         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 367         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 368         arm_process_output_sync_insn, arm_output_sync_insn,
 369         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 370         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 371         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 372         (emit_unlikely_jump): New.
 373         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 374         (arm_split_atomic_op): New.
 375         * config/arm/arm-protos.h: Update.
 376         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 377         (struct arm_sync_generator): Remove.
 378         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 379         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 380         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 381         (VUNSPEC_LL, VUNSPEC_SC): New.
 382         (sync_result, sync_memory, sync_required_value, sync_new_value,
 383         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 384         (attr length): Don't use arm_sync_loop_insns.
 385         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 386         (movsfcc, movdfcc): Likewise.
 387         * config/arm/constraints.md (Ua): New.
 388         * config/arm/prediates.md (mem_noofs_operand): New.
 389         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 390         (sync_clobber, sync_t2_reqd): Remove.
 391         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 392         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 393         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 394         (arm_sync_compare_and_swap<SIDI>): Remove.
 395         (arm_sync_compare_and_swap<NARROW>): Remove.
 396         (arm_sync_lock_test_and_set<SIDI>): Remove.
 397         (arm_sync_lock_test_and_set<NARROW>): Remove.
 398         (arm_sync_new_<syncop><SIDI>): Remove.
 399         (arm_sync_new_<syncop><NARROW>): Remove.
 400         (arm_sync_new_nand<SIDI>): Remove.
 401         (arm_sync_new_nand<NARROW>): Remove.
 402         (arm_sync_old_<syncop><SIDI>): Remove.
 403         (arm_sync_old_<syncop><NARROW>): Remove.
 404         (arm_sync_old_nand<SIDI>): Remove.
 405         (arm_sync_old_nand<NARROW>): Remove.
 406         (*memory_barrier): Merge arm_output_memory_barrier.
 407         (atomic_compare_and_swap<QHSD>): New.
 408         (atomic_compare_and_swap<NARROW>_1): New.
 409         (atomic_compare_and_swap<SIDI>_1): New.
 410         (atomic_exchange<QHSD>): New.
 411         (cas_cmp_operand, cas_cmp_str): New.
 412         (atomic_op_operand, atomic_op_str): New.
 413         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 414         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 415         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 416         (arm_load_exclusive<NARROW>): New.
 417         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 418         (arm_store_exclusive<QHSD>): New.
 419
 420 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 421
 422         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 423         reload patterns if -mvsx-scalar-memory.
 424
 425         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 426         generated, even -mno-vsx-scalar-double was used.
 427         (vsx_xscvdpsp_scalar): Likewise.
 428         (vsx_xscvspdp_scalar2): Likewise.
 429
 430 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 431             Andrew Pinski  <apinski@cavium.com>
 432
 433         PR debug/51471
 434         * reorg.c (fill_slots_from_thread): Don't speculate
 435         frame-related insns.
 436
 437 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 438
 439         * sched-int.h (bb_note): Move to...
 440         * basic-block.h: ...here.
 441         * haifa-sched.c (bb_note): Move to...
 442         * cfgrtl.c: ...here.
 443         * function.c (next_block_for_reg): New function.
 444         (move_insn_for_shrink_wrap): Likewise.
 445         (prepare_shrink_wrap): Rewrite to use the above.
 446
 447 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 448
 449         * gimple.c (is_gimple_non_addressable): Remove.
 450         * gimple.h: Remove is_gimple_non_addressable.
 451         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 452         is_gimple_non_addressable.
 453         * trans-mem.c (expand_assign_tm): Same.
 454
 455 2012-01-09  Richard Guenther  <rguenther@suse.de>
 456
 457         PR tree-optimization/51775
 458         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 459         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 460
 461 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 462
 463         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 464         tuning parameters.
 465         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 466
 467 2012-01-09  Richard Guenther  <rguenther@suse.de>
 468
 469         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 470
 471 2012-01-08  Jan Hubicka  <jh@suse.cz>
 472
 473         PR tree-optimize/51680
 474         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 475         on when known_vals needs to be computed; cleanup.
 476
 477 2012-01-08  Jan Hubicka  <jh@suse.cz>
 478
 479         PR tree-optimize/51694
 480         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 481
 482 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 483
 484         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 485         for -std=c++98 and -std=c++11 too.
 486
 487 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 488
 489         * cfgloop.c (cancel_loop): Add free() of bbs array.
 490
 491 2012-01-07  Jan Hubicka  <jh@suse.cz>
 492
 493         PR tree-optimization/51600
 494         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 495         that benefits small functions.
 496
 497 2012-01-07  Jan Hubicka  <jh@suse.cz>
 498
 499         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 500
 501 2012-01-07  Jan Hubicka  <jh@suse.cz>
 502
 503         PR tree-optimization/51680
 504         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 505         whose inlining reduce unit size.
 506
 507 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 508
 509         PR bootstrap/51725
 510         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 511         Add canonical node to containing_mem chain after the non-canonical
 512         one, even if there weren't any locs to propagate.
 513         (remove_useless_values): Keep only canonical values.
 514         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 515         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 516         canonicalize mem_chain elements that are not discarded.
 517
 518 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 519
 520         PR target/47333
 521         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 522         before emitting functions.
 523
 524         PR gcov-profile/50127
 525         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 526         clear_aux_for_blocks.
 527
 528 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 529
 530         PR debug/51746
 531         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 532
 533 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 534
 535         * c-decl.c (ext_block): Moved up.
 536         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 537
 538 2012-01-06  Han Shen  <shenhan@google.com>
 539
 540         Translate built-in include paths for sysroot.
 541         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 542         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 543
 544         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
 545         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
 546
 547         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
 548         control whether sysroot should be prepended to gxx include dir.
 549
 550         * configure: Regenerate.
 551
 552 2012-01-06  Torvald Riegel  <triegel@redhat.com>
 553
 554         PR rtl-optimization/51771
 555         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
 556         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
 557
 558 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 559
 560         PR tree-optimization/51315
 561         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
 562         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
 563
 564 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 565
 566         PR target/51681
 567         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 568         for shrp pattern.  Correctly handle and fixup shift variable.
 569         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 570
 571 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 572
 573         PR debug/51762
 574         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 575         note when !ACCUMULATE_OUTGOING_ARGS.
 576
 577 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 578
 579         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 580         condition.
 581         (extract_range_from_unary_expr_1): Avoid useless computations.
 582
 583 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 584
 585         PR rtl-optimization/51767
 586         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 587         of jump_block and add an extra edge for degenerated asm gotos.
 588
 589         PR middle-end/51768
 590         * stmt.c (check_unique_operand_names): Don't ICE during error
 591         reporting if i is from labels chain.
 592
 593         PR middle-end/44777
 594         * profile.c (branch_prob): Split bbs that have exit edge
 595         and need a fake entry edge too.
 596
 597 2012-01-05  Jan Hubicka  <jh@suse.cz>
 598
 599         PR middle-end/49710
 600         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 601         unlooping loops.
 602
 603 2012-01-05  Richard Guenther  <rguenther@suse.de>
 604
 605         PR lto/50490
 606         * tree-streamer-out.c (write_ts_optimization): New function.
 607         (streamer_write_tree_body): Call it.
 608         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 609         (streamer_read_tree_body): Call it.
 610         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 611
 612 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 613
 614         PR middle-end/51761
 615         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 616         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 617         in_cleanup_point_expr before gimplify_stmt call and restore it
 618         afterwards.
 619         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 620         in_cleanup_point_expr is false.
 621
 622 2012-01-05  Richard Guenther  <rguenther@suse.de>
 623
 624         PR middle-end/51764
 625         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 626         to c.opt.
 627         * toplev.c (process_options): Reject combining mudflap and LTO.
 628         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 629
 630 2012-01-05  Richard Guenther  <rguenther@suse.de>
 631
 632         PR tree-optimization/51760
 633         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 634         not VARYING.
 635         (bit_value_unop): Handle UNDEFINED operands.
 636         (bit_value_binop): Likewise.
 637
 638 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 639
 640         * config/avr/avr.c (avr_replace_prefix): Remove.
 641         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 642         (avr_asm_function_rodata_section): Ditto.
 643         (avr_asm_select_section): Ditto.
 644
 645 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 646
 647         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 648         insertion.
 649
 650 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 651
 652         PR bootstrap/51648
 653         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 654         calls that have any non-fake successor edges.
 655
 656         PR debug/51746
 657         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 658
 659 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 660
 661         PR tree-optimization/51624
 662         * tree-sra.c (build_ref_for_model): When replicating a chain of
 663         COMPONENT_REFs, stop as soon as the offset would become negative.
 664
 665 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 666
 667         PR debug/51695
 668         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 669         in .debug_loc on the floor.
 670
 671 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 672
 673         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 674
 675 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 676             Adam Nemet  <anemet@caviumnetworks.com>
 677
 678         * config/mips/mips.md (size): Add SI and DI.
 679         (SIZE): New mode attribute.
 680         (U): New code attribute.
 681         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 682         (mips_lbux_<mode>): Delete.
 683         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 684         (mips_lhx): Use gen_mips_lhx_extsi.
 685         (mips_lhx_<mode>): Delete.
 686         (mips_lwx): Delete.
 687         (mips_l<size>x): New expand.
 688         (mips_lwx_<mode>): Delete.
 689         (mips_l<GPR:size>x_<P:mode>): New pattern.
 690         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 691         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 692         * config/mips/mips.c (mips_lx_address_p): New function.
 693         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 694         (dsp64): New availability predicate.
 695         (mips_builtins): Add an entry for __builtin_mips_ldx.
 696         * config/mips/mips.h (ISA_HAS_LBX): New define.
 697         (ISA_HAS_LBUX): Likewise.
 698         (ISA_HAS_LHX): Likewise.
 699         (ISA_HAS_LHUX): Likewise.
 700         (ISA_HAS_LWX): Likewise.
 701         (ISA_HAS_LWUX): Likewise.
 702         (ISA_HAS_LDX): Likewise.
 703         * doc/extend.texi (__builtin_mips_ldx): Document.
 704
 705 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 706
 707         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 708         when long pointers are used.
 709         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 710         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 711         (ia64-hp-*vms*): Remove.
 712         * config/vms/xm-vms64.h: Delete.
 713
 714 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 715
 716         PR middle-end/51472
 717         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 718
 719 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 720
 721         * opts.c (finish_options): Remove duplicate sorry.
 722
 723 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 724
 725         PR middle-end/51696
 726         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 727         correctly.
 728
 729 2012-01-04  Richard Guenther  <rguenther@suse.de>
 730
 731         PR middle-end/51750
 732         * tree.c (size_low_cst): New function.
 733         * tree.h (size_low_cst): Declare.
 734         * fold-const.c (fold_comparison): Use it to extract the low
 735         part of the POINTER_PLUS_EXPR offset.
 736
 737 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 738
 739         Fix clearing ZERO_REG
 740         * config/avr/avr.md (cc): Add alternative "ldi".
 741         (movqi_insn): Use it in cc attribute.
 742         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 743         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 744         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 745
 746 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 747
 748         * configure: Regenerate.
 749
 750 2012-01-04  Richard Guenther  <rguenther@suse.de>
 751
 752         PR tree-optimization/49651
 753         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 754         (var_can_have_subvars): Use it.
 755         (get_constraint_for_1): Only consider subfields if there can be any.
 756
 757 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 758
 759         PR bootstrap/51725
 760         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 761         to its new canonical_cselib_val and the cselib_val was in
 762         first_containing_mem chain, but the canonical_cselib_val was not,
 763         add the latter into the chain.
 764         (cselib_invalidate_mem): Compare canonical_cselib_val of
 765         addr_list chain elt with v.
 766
 767         PR pch/51722
 768         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 769         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 770         of xstrdup.
 771         (output_macinfo_op): Don't ggc_strdup fd->filename.
 772         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 773         then ggc_strdup it.  Don't free inc->info or cur->info.
 774         (output_macinfo): Don't free ref->info or file->info.
 775
 776 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 777
 778         PR tree-optimization/51269
 779         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 780         first_niters a pointer.
 781         (slpeel_tree_peel_loop_to_edge): Likewise.
 782         (vect_do_peeling_for_loop_bound): Update call to
 783         slpeel_tree_peel_loop_to_edge.
 784         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 785         here.  Remove it from the parameters list.
 786         (vect_do_peeling_for_alignment): Update calls and compute
 787         wide_prolog_niters.
 788
 789 2012-01-03  Richard Guenther  <rguenther@suse.de>
 790
 791         PR tree-optimization/51070
 792         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
 793         Properly handle calls.
 794
 795 2012-01-03  Richard Guenther  <rguenther@suse.de>
 796
 797         PR tree-optimization/51692
 798         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
 799         the LHS of allocation stmts.
 800
 801 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 802
 803         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
 804
 805 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 806
 807         * collect2.c (main): In AIX specific computations for vector
 808         insertions, use CONST_CAST2 to cast from char ** to const char **.
 809
 810 2012-01-03  Richard Guenther  <rguenther@suse.de>
 811
 812         PR debug/51650
 813         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
 814         the context of a limbo DIE when it does not already exist.
 815
 816 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 817
 818         PR tree-optimization/51719
 819         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
 820         but direct call is, clear direct call's lhs and don't add fallthrough
 821         edge from dcall_bb to join_bb and PHIs.
 822
 823 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 824
 825         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
 826         the instructions emitted by the pattern.
 827         ("*TDC_insn_<mode>"): Add comment.
 828
 829 2012-01-03  Richard Guenther  <rguenther@suse.de>
 830
 831         PR middle-end/51730
 832         * fold-const.c (fold_comparison): Properly canonicalize
 833         tree offset and HOST_WIDE_INT bit position.
 834
 835 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
 836
 837         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
 838         operands for extzv pattern.
 839
 840 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 841
 842         PR bootstrap/51725
 843         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
 844         on mem_elt first.
 845
 846 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 847
 848         * doc/invoke.texi (-flto and related options): Copy-edit.
 849
 850 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 851
 852         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
 853
 854 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 855
 856         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
 857         New patterns.
 858
 859 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 860
 861         * expr.h (move_by_pieces_ninsns): Declare.
 862         * expr.c (move_by_pieces_ninsns): Make external.
 863         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
 864         (mips_store_by_pieces_p): Likewise.
 865         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
 866         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
 867         * config/mips/mips.c (mips_move_by_pieces_p): New function.
 868         (mips_store_by_pieces_p): Likewise.
 869
 870 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 871
 872         * passes.c (register_one_dump_file): Free full_name.
 873
 874         * reload1.c (reload): Don't allocate reg_max_ref_width here.
 875         (calculate_elim_costs_all_insns): Free offsets_at and
 876         offsets_known_at at the end and clear the pointers.
 877
 878 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 879
 880         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
 881         this option introduced in r180739.
 882
 883 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 884
 885         PR target/51345
 886         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
 887         (tmake_file target=avr): Add avr/t-multilib.
 888
 889         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
 890         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
 891         * config/avr/genmultilib.awk: New file.
 892         * config/avr/t-multilib: New auto-generated file.
 893         * config/avr/multilib.h: New auto-generated file.
 894         * config/avr/t-avr (AVR_MCUS): New variable.
 895         (genopt.sh): Use it.
 896         (s-mlib): Depend on t-multilib.
 897         (t-multilib, multilib.h): New dependencies.
 898         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
 899         (MULTILIB_OPTIONS): Remove.
 900         (MULTILIB_MATCHES): Remove.
 901         (MULTILIB_DIRNAMES): Remove.
 902         (MULTILIB_EXCEPTIONS): Remove:
 903         * config/avr/genopt.sh: Don't use hard coded file name;
 904         pass AVR_MCUS from t-avr instead.
 905
 906 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 907
 908         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
 909
 910 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 911
 912         Implement light-weight DImode support.
 913         * config/avr/avr-dimode.md: New file.
 914         * config/avr/avr.md: Include it.
 915         (adjust_len): Add plus64, compare64.
 916         (HIDI): Remove code iterator.
 917         (code_stdname): New code attribute.
 918         (rotx, rotsmode): Remove DI.
 919         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
 920         as code iterator.
 921         * config/avr/avr-protos.h (avr_have_dimode): New.
 922         (avr_out_plus64, avr_out_compare64): New.
 923         * config/avr/avr.c (avr_out_compare): Handle DImode.
 924         (avr_have_dimode): New variable definition and initialization.
 925         (avr_out_compare64, avr_out_plus64): New functions.
 926         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
 927         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
 928         (avr_compare_pattern): Skip DImode comparisons.
 929
 930 2012-01-02  Revital Eres  <revital.eres@linaro.org>
 931
 932         * ddg.c (def_has_ccmode_p): New function.
 933         (add_cross_iteration_register_deps,
 934         create_ddg_dep_from_intra_loop_link): Call it.
 935
 936 2012-01-02  Richard Guenther  <rguenther@suse.de>
 937
 938         PR other/51679
 939         * invoke.texi (fassociative-math): Remove spurious paranthesis.
 940
 941 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 942
 943         * gcc.c (process_command): Update copyright notice dates.
 944         * gcov.c (print_version): Likewise.
 945         * gcov-dump.c (print_version): Likewise.
 946         * mips-tfile.c (main): Likewise.
 947         * mips-tdump.c (main): Likewise.
 948
 949 2012-01-01  Ira Rosen  <irar@il.ibm.com>
 950
 951         PR tree-optimization/51704
 952         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
 953         a use is inside the basic block or loop before accessing its vect info.
 954
 955 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
 956
 957         PR rtl-optimization/51069
 958         * cfgloopmanip.c (remove_path): Removing path making irreducible
 959         region unconditional makes BB part of the region.
 960
 961 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 962
 963         PR tree-optimization/51683
 964         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
 965         calls with side-effects.
 966         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
 967 \f
 968 Copyright (C) 2012 Free Software Foundation, Inc.
 969
 970 Copying and distribution of this file, with or without modification,
 971 are permitted in any medium without royalty provided the copyright
 972 notice and this notice are preserved.