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@@ -1,3 +1,948 @@
+2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
+           Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
+       (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
+       (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
+       * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
+       (M68K_STATIC_CHAIN_REG_NAME): Likewise.
+       * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
+
+2007-01-19  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.md (adddi_dilshr32): Rename to...
+       (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
+       non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
+       (*adddi_dilshr32_cf): New pattern.
+       (adddi3, subdi3): Remove first alternatives.
+
+2007-01-19  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
+       implemented using move.l, do not use its cc result for floating-point
+       comparisons.
+
+2007-01-19  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
+       from accepting 's' constraints if flag_pic.
+
+2007-01-19  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
+       (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
+       (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
+       condition from TARGET_68881 to TARGET_HARD_FLOAT.
+
+2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
+
+       * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
+       ColdFire alternatives.
+       * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
+       * config/m68k/m68k.md (clzsi2):  Define for ColdFire
+       architectures that support ff1 instruction.
+
+2007-01-19  Richard Sandiford  <richard@codesourcery.com>
+           Julian Brown  <julian@codesourcery.com>
+
+       * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
+       * config/m68k/m68k.md (*movsi_cfv4): Fold into...
+       (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
+       Add commentary.
+
+2007-01-19  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
+       and return a bool.
+       (output_move_const_into_data_reg, output_move_simode_const): Delete.
+       * config/m68k/m68k.c (const_method, const_int_cost): Take a
+       HOST_WIDE_INT instead of an rtx.
+       (m68k_rtx_costs): Update call accordingly.
+       (output_move_const_into_data_reg): Likewise.  Fix formatting.
+       (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
+       Return a bool.
+       (output_move_simode_const): Update calls after above changes.
+       Rework to use automatic variables and predicates like MEM_P.
+       * config/m68k/m68k.md (pushexthisi_const): Update call to
+       valid_mov3q_const.
+
+2007-01-19  Dirk Mueller  <dmueller@suse.de>
+
+       * tree-ssa-alias.c (perform_var_substitution): Fix typo
+       in dump_flags test.
+
+2007-01-19  Richard Guenther  <rguenther@suse.de>
+
+       * builtins.c (expand_builtin_cexpi): Fall back to expanding
+       via cexp in case sincos is not available.
+
+2007-01-19  Richard Guenther  <rguenther@suse.de>
+
+       * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
+       * defaults.h (TARGET_HAS_SINCOS): Default to off.
+       * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
+       * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
+       * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
+       * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
+       * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
+       * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
+
+2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
+       New insn patterns.
+       (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
+       (atan2xf3): Directly generate RTL pattern.
+       (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
+       patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
+       and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
+       disable patterns for SSE math.
+       (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
+       patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
+       and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
+       disable patterns for SSE math.
+
+2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
+
+       * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
+
+2007-01-18  Roger Sayle  <roger@eyesopen.com>
+
+       * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
+       VIEW_CONVERT_EXPR to the same type as it's operand.
+
+2007-01-18  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
+       configured for long double 128.
+
+2007-01-18  Mike Stump  <mrs@apple.com>
+
+       * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
+       error.
+
+2007-01-18  Michael Meissner  <michael.meissner@amd.com>
+
+       * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
+       type correct.
+
+2007-01-18  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssa-operands.c (vop_free_bucket_size): Never return value
+       greater than NUM_VOP_FREE_BUCKETS.
+
+2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-structalias.c: Update comments.
+       (ptabitmap_obstack): Removed.
+       (pta_obstack): New.
+       (oldpta_obstack): Ditto.
+       (stats): Add a few members.
+       (struct variable_info): Remove node, complex, address_taken, and
+       indirect_target members. Add oldsolution member.
+       (new_var_info): Do not initialize removed members.
+       (constraint_expr_type): Remove INCLUDES.
+       (constraint_graph): Add size, implicit_preds, rep,
+       indirect_cycles, eq_rep, label, direct_nodes, and complex members.
+       (FIRST_REF_NODE): New macro.
+       (LAST_REF_NODE): Ditto.
+       (FIRST_ADDR_NODE): Ditto.
+       (find): New function.
+       (unite): Ditto.
+       (dump_constraint): Do not handle INCLUDES.
+       (insert_into_complex): Do not insert duplicate constraints.
+       (condense_varmap_nodes): Renamed and rewritten into ...
+       (merge_node_constraints): This. Also fix bug in handling of
+       offseted copy constraints.
+       (clear_edges_for_node): No longer need to deal with preds at all,
+       or removing associated preds/succs. 
+       (merge_graph_nodes): Deal with indirect_cycles.
+       Don't deal with predecessors.
+       (add_implicit_graph_edge): New function.
+       (add_pred_graph_edge): Ditto.
+       (add_graph_edge): Don't deal with predecessors.
+       (build_constraint_graph): Removed.
+       (build_pred_graph): New function.
+       (build_succ_graph): Ditto.
+       (struct scc_info): Removed in_component. Added roots, dfs, and
+       node_mapping. Remove visited_index, unification_queue.
+       (scc_visit): Deal with union-find we do now.
+       Deal with cycles with REF nodes.
+       (collapse_nodes): Renamed and rewritten to ...
+       (unify_nodes): This.
+       (process_unification_queue): Removed.
+       (topo_visit): Cleanup
+       (do_da_constraint): Use find.
+       (do_sd_constraint): Ditto.
+       (do_ds_constraint): Ditto.
+       (do_complex_constraint): Ditto.
+       (init_scc_info): Update for removed and added members.
+       (find_and_collapse_graph_cycles): Renamed and rewritten into ...
+       (find_indirect_cycles): This.
+       (equivalence_class): New variable.
+       (label_visit): New function.
+       (perform_variable_substitution): Rewritten.
+       (free_var_substitution_info): New function.
+       (find_equivalent_node): Ditto.
+       (move_complex_constraints): Ditto.
+       (eliminate_indirect_cycles): Ditto.
+       (solve_graph): Only propagate changed bits.
+       Use indirect cycle elimination.
+       Use find.
+       (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
+       (tree_id_eq): Renamed to ...
+       (tree_vi_eq): This. Update for member change
+       (insert_id_for_tree): Renamed and rewritten to ...
+       (insert_vi_for_tree): This.
+       (lookup_id_for_tree): Renamed and rewritten to ...
+       (lookup_vi_for_tree): This.
+       (get_id_for_tree): Renamed and rewritten to ...
+       (get_vi_for_tree): Ditto.
+       (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
+       (process_constraint): Don't handle INCLUDES.
+       Remove special ADDRESSOF case.
+       (find_func_aliases): Rewrite to use vi functions instead of id
+       ones.
+       (create_function_info_for): Ditto.
+       (create_variable_info_for): Ditto.
+       (intra_create_variable_infos): Ditto.
+       (merge_smts_into): Ditto.
+       (find_what_p_points_to): Ditto.
+       (init_base_vars): Ditto.
+       (init_alias_vars): Ditto.
+       (remove_preds_and_fake_succs): New function.
+       (dump_sa_points_to_info): Dump new stats.
+       (dump_solution_for_var): Use find.
+       (set_used_smts): Fix formatting.
+       (compute_points_to_sets): Updated for new functions.
+       (ipa_pta_execute): Ditto.
+
+2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
+           Richard Sandiford  <richard@codesourcery.com>
+
+       * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
+       parallels.
+       * calls.c (expand_call): If the return value is a PARALLEL,
+       extract its first member.
+       * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
+       * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
+       use FUNCTION_EXTRA_EPILOGUE.
+       (m68k_function_value): Return a PARALLEL if the return value
+       is of a pointer type.
+       * config/m68k/netbsd-elf.h (current_function_returns_pointer)
+       (FUNCTION_EXTRA_EPILOGUE): Remove.
+       * config/m68k/m68k.md (D0_REG): New constant.
+
+2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
+
+       * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
+       output a NOP for empty epilogues.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.c (m68k_use_return_insn): Update comments
+       before function.  Extend register save check to include all
+       registers, not just integer ones.
+
+2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
+
+       * config/m68k/m68k-protos.h (use_return_insn): Rename to...
+       (m68k_use_return_insn): ...this.
+       * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
+       * config/m68k/m68k.c (use_return_insn): Rename to...
+       (m68k_use_return_insn): ...this.
+       * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
+       of USE_RETURN_INSN.
+
+2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
+       nearest even, fix denormal rounding overflow.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
+       f%$smove and f%$move.
+       (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
+       (extendsfdf2_cf): Use fdmove instead of f%&move.
+       (truncdfsf2_cf): Use fsmove instead of f%$smove.
+       (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
+       GPR<-GPR moves.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * real.h (real_format): Add a canonical_nan_lsbs_set field.
+       (coldfire_single_format): Declare.
+       (coldfire_double_format): Likewise.
+       * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
+       of qnan_msb_set to determine the lower bits of a canonical
+       NaN significand.
+       (encode_ieee_double): Likewise.
+       (encode_ieee_quad): Likewise.
+       (ieee_single_format): Initialize canonical_nan_lsbs_set.
+       (mips_single_format): Likewise.
+       (ieee_double_format): Likewise.
+       (mips_double_format): Likewise.
+       (ieee_extended_motorola_format): Likewise.
+       (ieee_extended_intel_96_format): Likewise.
+       (ieee_extended_intel_128_format): Likewise.
+       (ieee_extended_intel_96_round_53_format): Likewise.
+       (ibm_extended_format): Likewise.
+       (mips_extended_format): Likewise.
+       (ieee_quad_format): Likewise.
+       (mips_quad_format): Likewise.
+       (vax_f_format): Likewise.
+       (vax_d_format): Likewise.
+       (vax_g_format): Likewise.
+       (i370_single_format): Likewise.
+       (i370_double_format): Likewise.
+       (decimal_single_format): Likewise.
+       (decimal_double_format): Likewise.
+       (decimal_quad_format): Likewise.
+       (c4x_single_format): Likewise.
+       (c4x_extended_format): Likewise.
+       (real_internal_format): Likewise.
+       (coldfire_single_format): New real_format.
+       (coldfire_double_format): Likewise.
+       * config/pdp11/pdp11.c (pdp11_f_format): Initialize
+       canonical_nan_lsbs_set.
+       (pdp11_d_format): Likewise.
+       * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
+       if TARGET_COLDFIRE_CPU.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
+       (output_call, m68k_legitimize_call_address): Declare.
+       * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
+       parenthesees.  Add support for a 'W' constraint.
+       (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
+       (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
+       (m68k_symbolic_call, m68k_symbolic_jump): Declare.
+       * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
+       variables.
+       (override_options): Initialize them.  Do not set flag_no_function_cse
+       for TARGET_ID_SHARED_LIBRARY.
+       (m68k_output_pic_call): Delete.
+       (m68k_legitimize_call_address): New function.
+       (print_operand): Remove the %o prefix.  Handle the %p prefix.
+       (output_call): New function.
+       (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
+       target address from the GOT if symbolic jumps are not allowed.
+       * config/m68k/m68k.md (call, general_operand): Do not set
+       SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
+       Merge separate flag_pic and !flag_pic define_insns into...
+       (*call, *call_value): ...these new patterns.  Match the address
+       rather than the containing MEM and require it to be a call_operand.
+       Use output_call to generate the asm template.
+       * config/m68k/predicates.md (const_call_operand): New predicate.
+       (call_operand): Likewise.
+
+2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
+       (STACK_GROWS_DOWNWARD): Define to 1.
+       (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
+       comments, emphasizing that these values are only defaults.
+       * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
+       * config/m68k/m68k.c (const_method): Remove trailing whitespace.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
+
+2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
+           Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
+       (FP_REGNO_P): New macros.
+       (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
+       (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
+       (EH_RETURN_STACKADJ_RTX): Use A0_REG.
+       * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
+
+2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+       (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
+       to $tmake_file.
+       * config/m68k/t-floatlib: New file, extracting common code from...
+       * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
+       * config/m68k/t-uclinux: Here.
+       * config/m68k/fpgnulib.c: Do not compile extendeed precision
+       routines on ColdFire targets.
+
+2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+       (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
+       (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
+       (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
+       explicitly set MOTOROLA to 1.
+       * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+           Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
+       (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
+       * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
+       * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
+       * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
+       * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
+       (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
+       (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
+       (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
+       * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+       * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
+       (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
+       (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
+       (DBX_REGISTER_NUMBER): Delete.
+       * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
+       (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+       * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
+       * config/flat.h: New file.
+       * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
+       OBJECT_FORMAT_FLAT.
+       * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
+       indirect references for -msep-data or -mid-shared-library.
+       Do not use PC-relative code addresses either.
+       * config/m68k/m68k.c (override_options): Restrict -fPIC error
+       to -mpcrel.
+       * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
+       for shared libraries and crt1.o for executables.  Use crti.o and
+       crtbegin.o.
+       (ENDFILE_SPEC): Use crtend.o and crtn.o.
+       (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
+       Do not add -elf2flt or -shared-lib-id options here.
+       (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
+       Pass -shared-lib-id if -mid-shared-library, taking the library
+       identifier from -mshared-library-id if given, otherwise
+       defaulting to 0.
+       (EH_FRAME_IN_DATA_SECTION): Do not undefine.
+       (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
+       (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
+       and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
+       (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
+       * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
+       and crtend.o.
+       * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
+       jump sequence for ISA A and ISA A+.
+       (PICJUMP): Likewise.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * config.gcc (m68k-*-uclinux*): Base the port on the common
+       and m68k GNU/Linux files rather than on the generic ELF ones.
+       * config/m68k/uclinux.h (TARGET_VERSION): Override.
+       (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
+
+2007-01-18  Julian Brown  <julian@codesourcery.com>
+           Richard Sandiford  <richard@codesourcery.com>
+
+       * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
+       (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
+       * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
+       before redefining.
+       * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
+       80 unconditionally.
+       (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
+
+2007-01-18  Richard Sandiford  <richard@codesourcery.com>
+
+       * doc/install.texi: Document m68k-uclinuxoldabi.
+       * config.gcc (m68k-*-uclinuxoldabi): New configuration.
+       * config/m68k/uclinux-oldabi.h: New file, copied from
+       config/m68k/uclinux.h.
+
+2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
+
+       * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
+       * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
+       (m32r_compute_frame_size): Use unsigned for regno.
+       (m32r_reload_lr): Use gen_frame_mem.
+       (pop): New.
+       (m32r_output_function_epilogue): Don't output the function epilogue
+       textually here.
+       (m32r_expand_epilogue): New.
+       (direct_return): Return false if the function has the interrupt
+       attribute.
+       (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
+       * config/m32r/m32r.md (epilogue): New expander.
+       (return_lr, return_rte): New insns.
+       (return): Make it expander.
+       (return_normal): New expander.
+
+2007-01-18  Josh Conner  <jconner@apple.com>
+
+       PR target/30485
+       * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
+       support for UNLE, UNLT, UNGE, and UNGT.
+
+2007-01-18  Jan Hubicka  <jh@suse.cz>
+
+       * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
+       * tree-tailcall (add_virtual_phis): Likewise.
+       (optimize_tail_call): Return TODOs.
+       (execute_tail_calls): Return TODOs.
+       * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
+       * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
+       changed.
+       * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
+       Cleanup cfg using TODO.
+       * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
+       * passes.c (execute_function_todo): When cleanup did something, remove
+       unused locals.
+       * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
+       (make_edges): Don't cleanup_cfg.
+
+2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
+
+       * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
+       UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
+       operate on the top of stack.
+       [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
+       register handling of instructions that output to the second
+       stack slot.
+       [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
+       (move_for_stack_reg): Special-case check for dead destination
+       stack slot for constant load of 1.0 inside UNSPEC_TAN.
+
+       * config/i386/i386.md (UNSPEC_TAN): New constant.
+       (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
+       (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
+       to correctly model move of constant 1.0 to top stack slot.
+       (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
+       (unnamed peephole2 pattern): Remove corresponding peephole2
+       pattern that optimizes tan insn and loading of constant 1.0.
+       (tanxf2): Use fptanxf4_i387.
+       (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
+       patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
+       and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
+       disable patterns for SSE math.
+       (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
+       (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
+
+2007-01-18  Dirk Mueller  <dmueller@suse.de>
+           Richard Guenther <rguenther@suse.de>
+
+       PR diagnostic/8268
+       * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
+       * common.opt (Warray-bounds): Add new warning option.
+       * c-opts.c (c_common_handle_option): Define -Warray-bounds
+       if -Wall is given.
+       * Makefile.in: make tree-vrp.o depend on toplev.h
+       * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
+       is enabled.
+       (check_array_refs, check_array_bounds, check_array_ref): New.
+
+2007-01-18  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
+       (execute_ssa_ccp): Return flags conditionally.
+       * tree-ssa-propagate.c (substitue_and_fold): Return if something was
+       changed.
+       * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
+
+2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
+
+       * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
+       the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
+
+       * Makefile.c (GTFILES): Add cfglayout.h.
+       * gengtype.c (open_base_files): Likewise.
+       * cfglayout.c (cfg_layout_function_footer,
+       cfg_layout_function_header) Reindent to make gengtype happy.
+       * cfglayout.h (cfg_layout_function_footer,
+       cfg_layout_function_header): Add GTY(()) marker.
+
+       * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
+
+2007-01-18  Ben Elliston  <bje@au.ibm.com>
+
+       * genautomata.c (write_automata): Include xstrerror output in the
+       error message if writing the DFA description file fails.
+
+2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/mips/mips-protos.h (mips_output_external): Make it
+       return void.
+       * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
+       * config/mips/mips.c (irix_output_external_libcall): Likewise.
+       (extern_list): Likewise.
+       (extern_head): Likewise.
+       (TARGET_ASM_FILE_END): Likewise.
+       (mips_file_end): Likewise.
+       (mips_output_external): Rewritten.
+
+2007-01-18  Ben Elliston  <bje@au.ibm.com>
+
+       * genpreds.c (write_insn_preds_c): Only write out the function
+       body for regclass_for_constraint if we have register constraints.
+
+2007-01-17  Tom Tromey  <tromey@redhat.com>
+
+       * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
+       * doc/install.texi (Testing): Use sourceware.org.
+       (Binaries): Likewise.
+       (Specific): Likewise.
+       * doc/contrib.texi (Contributors): Use sourceware.org.
+
+2007-01-17  Anatoly Sokolov <aesok@post.ru>
+
+       * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
+       (AVR_ENHANCED): Rename to ...
+       (AVR_HAVE_MUL): ... new.
+       (avr_enhanced_p): Rename to ...
+       (avr_have_mul_p): ... new.
+       (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
+       'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
+       * config/avr/avr.c (avr_enhanced_p): Rename to ...
+       (avr_have_mul_p): ... new.
+       (base_arch_s): Rename 'enhanced' to 'have_mul'.
+       (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
+       'avr_enhanced_p' and 'enhanced'.
+       (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
+       AVR_HAVE_MUL instead of AVR_ENHANCED.
+       * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
+       (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
+       *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
+       instead of AVR_ENHANCED.
+       (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
+       * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
+       (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
+
+2007-01-17  Ian Lance Taylor  <iant@google.com>
+
+       * vec.h (VEC_reserve_exact): Define.
+       (vec_gc_p_reserve_exact): Declare.
+       (vec_gc_o_reserve_exact): Declare.
+       (vec_heap_p_reserve_exact): Declare.
+       (vec_heap_o_reserve_exact): Declare.
+       (VEC_OP (T,A,reserve_exact)): New static inline function, three
+       versions.
+       (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
+       negative parameter.
+       (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
+       (VEC_OP (T,A,copy)) [all versions]: Likewise.
+       (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
+       * vec.c (calculate_allocation): Add exact parameter.  Change all
+       callers.
+       (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
+       (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
+       (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
+       (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
+       (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
+       (vec_heap_p_reserve_exact): New function.
+       (vec_heap_o_reserve_exact): New function.
+
+2007-01-17  Jan Hubicka  <jh@suse.cz>
+
+       * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
+
+2007-01-17  Eric Christopher  <echristo@apple.com>
+
+       * config.gcc: Support core2 processor.
+
+2007-01-16  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
+       the names, just unlink the chain so we don't crash on dangling pointers
+       to dead SSA names.
+
+2007-01-16  Jan Hubicka  <jh@suse.cz>
+
+       * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
+       * tree-pass.h: Reorder to make IPA passes appear toegher.
+       (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
+       * cgraphunit.c (cgraph_finalize_function): Do not compute inling
+       parameters, do not call early inliner.
+       * ipa-inline.c: Update comments.  Include tree-flow.h
+       (cgraph_decide_inlining): Do not compute inlining parameters.
+       (cgraph_decide_inlining_incrementally): Return TODOs; assume to
+       be called with function context set up.
+       (pass_ipa_inline): Remove unreachable functions before pass.
+       (cgraph_early_inlining): Simplify assuming to be called from the
+       PM as local pass.
+       (pass_early_inline): New pass.
+       (cgraph_gate_ipa_early_inlining): New gate.
+       (pass_ipa_early_inline): Turn into simple wrapper.
+       (compute_inline_parameters): New function.
+       (gate_inline_passes): New gate.
+       (pass_inline_parameters): New pass.
+       (apply_inline): Move here from tree-optimize.c
+       (pass_apply_inline): New pass.
+       * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
+       transforming.
+       * tree-inline.c (optimize_inline_calls): Return TODOs rather than
+       doing them by hand.
+       (tree_function_versioning): Do not allocate dummy struct function.
+       * tree-inline.h (optimize_inline_calls): Update prototype.
+       * tree-optimize.c (execute_fixup_cfg): Export.
+       (pass_fixup_cfg): Remove
+       (tree_rest_of_compilation): Do not apply inlines.
+       * tree-flow.h (execute_fixup_cfg): Declare.
+       * Makefile.in (gt-passes.c): New.
+       * passes.c: Include gt-passes.h
+       (init_optimization_passes): New passes.
+       (nnodes, order): New static vars.
+       (do_per_function_toporder): New function.
+       (execute_one_pass): Dump current pass here.
+       (execute_ipa_pass_list): Don't dump current pass here.
+
+2007-01-16  Janis Johnson  <janis187@us.ibm.com>
+
+       * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
+       (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
+
+2007-01-16  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
+       (strong_alias): Define.
+       (__gcc_qmul): Provide non-FMA for soft-float.
+       (__gcc_qdiv): Same.
+       (__gcc_qneg): New.
+       (__gcc_qeq): New.
+       (__gcc_qle): New.
+       (__gcc_qge): New.
+       (__gcc_qunord): New.
+       (__gcc_stoq): New.
+       (__gcc_dtoq): New.
+       (__gcc_qtos): New.
+       (__gcc_qtod): New.
+       (__gcc_qtoi): New.
+       (__gcc_qtou): New.
+       (__gcc_itoq): New.
+       (__gcc_utoq): New.
+       (fmsub): New.
+       * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
+       soft-float functions.
+       * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
+       * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
+       about long double soft float.
+
+2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
+            Tehila Meyzels  <tehila@il.ibm.com>
+
+       * tree-vectorizer.h (is_pattern_stmt_p): New.
+       * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
+       formatting (tabs instead of spaces). Cleanup and clarify setting
+       of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
+       * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
+       (vectorizable_type_demotion): Check that types are integral.
+       (vectorizable_type_promotion): Likewise.
+       (vectorizable_store): Fix typo.  Eliminate new-line at end of
+       comments.
+
+2007-01-16  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
+       cgraph edges too.
+
+2007-01-15  Eric Christopher  <echristo@apple.com>
+
+       * ifcvt.c: Include vec.h, vecprim.h.
+       (check_cond_move_block): New argument regs.
+       Reorganize. Add registers used to regs.
+       (cond_move_process_if_block): Use regs set above as
+       loop bounds.
+
+2007-01-15  Eric Christopher  <echristo@apple.com>
+
+       * config/darwin.h: Update copyright.
+       (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
+       (LINK_COMMAND_SPEC): Add -u.
+       (LINK_SPEC): Fix umbrella for above.
+
+2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
+
+       * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
+       glibc CVS.
+
+2007-01-15  Tom Tromey  <tromey@redhat.com>
+
+       * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
+       * doc/install.texi (Testing): Don't mention jacks.
+       (Configuration): Document --enable-java-maintainer-mode.  Move
+       --with-java-home to libgcj-specific section.  Document
+       --with-ecj-jar.
+       (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
+
+2007-01-15  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssa-dce.c (DCE_TODOs): New.
+       (propagate_necessity): Return if something changed.
+       (eliminate_unnecessary_stmts): Likewise.
+       (perform_tree_ssa_dce): Return TODO flags when needed.
+       (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
+
+2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
+       (fyl2x_extend<mode>xf3_i387): New insn pattern.
+       (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
+       patterns using X87MODEF12 mode macro.  Extend operand 1
+       to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
+       (log10<mode>2): Ditto.
+       (log2<mode>2): Ditto.
+       (log1p<mode>2): Ditto.
+       (logb<mode>2): Ditto.
+       (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
+       (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
+       (*fxtractxf3_i387): Rename from *fxtractxf3.
+       (fxtract_extend<mode>xf3_i387): New insn pattern.
+       (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
+       * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
+       and gen_fyl2xxf3_i387().
+
+2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
+       * cfgloopmanip.c (fix_loop_placement): Made static.  Use
+       get_loop_exit_edges.  Changed return type to bool.
+       * cfgloop.h (fix_loop_placement): Declaration removed.
+
+2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
+
+       * param.h (MIN_VECT_LOOP_BOUND): New.
+       * params.def (MIN_VECT_LOOP_BOUND): New.
+       * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
+       argument - minimum threshold for number of iterations.
+       * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
+       argument to declaration.
+       * tree-vect-analyze.c (vect_analyze_operations): Check value of
+       MIN_VECT_LOOP_BOUND.
+       * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
+       slpeel_tree_peel_loop_to_edge with additional argument.
+       (vect_do_peeling_for_alignment): Likewise.
+       * doc/invoke.texi (min-vect-loop-bound): Document new param option.
+
+2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/30413
+       * config/i386/i386.c (print_operand) ['z']: Output 'b' for
+       operands of size 1.
+
+2007-01-14  Jan Hubicka  <jh@suse.cz>
+
+       * tree-dfa.c (remove_referenced_var): New function.
+       * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
+       prune referenced vars list too.
+       * tree-flow.h (remove_referenced_var): Declare.
+
+2007-01-14  Jan Hubicka  <jh@suse.cz>
+
+       * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
+       separately.
+       (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
+       (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
+       * except.h (verify_eh_throw_table_statements): Kill prototype.
+       * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
+       into call exrepssions.
+       * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
+       eh trhow verifier.
+       * tree-cfg.c: Include pointer-set.h.
+       (verify_node_sharing): Work on pointer set.
+       (verify_eh_throw_stmt_node): New.
+       (verify_stmts): Use pointers sets, verify throw_stmt.
+
+2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * ipa-reference.c (analyze_function): Consider also addresses taken
+       in phi nodes.
+
+2007-01-12  Roger Sayle  <roger@eyesopen.com>
+
+       * c-typeck.c (null_pointer_constant_p): Replace use of
+       TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+       (build_c_cast): Likewise.
+
+2007-01-12  Roger Sayle  <roger@eyesopen.com>
+
+       * tree.h (force_fit_type_double): Remove unused final argument.
+       * c-common.c (constant_expression_warning): Replace use of
+       TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+       (convert_and_check): Likewise.
+       (shorten_compare): Update call to force_fit_type_double.
+       (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
+       * convert.c (convert_to_pointer): Update call to
+       force_fit_type_double.
+       * fold-const.c (force_fit_type_double): Remove overflowed_const
+       argument.
+       (int_const_binop, fold_convert_const_int_from_int,
+       fold_convert_const_int_from_real, fold_div_compare,
+       fold_sign_changed_comparison, fold_unary, fold_negate_const,
+       fold_abs_const, fold_not_const): Remove the final argument from
+       calls to force_fit_type_double.
+
+2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       * configure.ac: Set insn to "nop" for spu-*-* also.
+       * configure: Regenerate.
+
+2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
+
+       * builtins.def : Add BUILT_IN_FREE.
+
+2007-01-12  Jan Hubicka  <jh@suse.cz>
+
+       PR tree-optimization/30443
+       * tree-inline.c (tree_function_versioning): Do not optimize when
+       cloning for inlining.
+
+2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * doc/loop.texi: Document recording of loop exits.
+       * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
+       (update_single_exits_after_duplication,
+       update_single_exit_for_duplicated_loop,
+       update_single_exit_for_duplicated_loops): Removed.
+       (duplicate_loop_to_header_edge): Do not call
+       update_single_exits_after_duplication and
+       update_single_exit_for_duplicated_loops.
+       (loop_version): Do not update single_exit information.
+       (fix_loop_structure): Use record_loop_exits instead of
+       mark_single_exit_loops.
+       * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
+       the lists of loop exits.
+       * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
+       split_edge, merge_blocks): Update the lists of loop exits.
+       * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
+       loop_optimizer_init.
+       * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
+       of mark_single_exit_loops.
+       (loop_optimizer_finalize): Call release_recorded_exits.
+       * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
+       LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
+       * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
+       update single exit information.
+       * lambda-code.c (perfect_nestify): Ditto.
+       * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
+       (mark_single_exit_loops): Removed.
+       (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
+       get_exit_descriptions, rescan_loop_exit, record_loop_exits,
+       dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
+       functions.
+       (get_loop_exit_edges, single_exit): Use recorded exit lists.
+       (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
+       (verify_loop_structure): Verify consistency of the exit lists.
+       (flow_loops_find): Use alloc_loop.  Initialize exits hash.
+       (set_single_exit): Removed.
+       * cfgloop.h (struct loop_exit): New function.
+       (struct loop): single_exit_ field replaced by exits field.
+       (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
+       (struct loops): Added exits hash.
+       (mark_single_exit_loops, set_single_exit): Declaration removed.
+       (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
+
 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 
        * doc/invoke.texi: Avoid use of @headitem.
 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
 
        * function.c (get_last_funcdef_no): New function.
-       * function.h (get_last_funcdef_no): Declare. 
+       * function.h (get_last_funcdef_no): Declare.
        * tree-inline.c (initialize_cfun): Add initialization.
        (tree_function_versioning): Cleanup.
-       
+
 2007-01-10  Jan Hubicka  <jh@suse.cz>
 
        * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
 
        * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
        (*cosxf2): Rename to cosxf2_i387.
-
        (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
        using X87MODEF12 mode macro. Rename patterns to
        *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
        (*cosdf2, *cossf2): Ditto.
        (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
        to match extended input operands.
-
        (sincos<mode>3): New expander.
-
        (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
        insn patterns and corresponding splitters.
 
        (fold_sign_changed_comparison): Likewise.
        (fold_unary): Likewise.
        (fold_negate_const): Likewise.
-       (fold_abs_const): Likewise. 
+       (fold_abs_const): Likewise.
        (fold_not_const): Likewise.
        * c-common.c (shorten_compare): Use force_fit_type_double.
        * convert.c (convert_to_pointer): Likewise.
        * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
        * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
        const_simm15, const_pow2, const_npow2): Added.
-       * config/score/misc.md (insv, extv, extzv, movmemsi, 
+       * config/score/misc.md (insv, extv, extzv, movmemsi,
        move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
-       * config/score/score.c (score_address_cost, score_select_cc_mode): 
+       * config/score/score.c (score_address_cost, score_select_cc_mode):
        Added.
        Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
        Update score_rtx_costs for MACRO TARGET_RTX_COSTS.