+2005-12-16 Steven Bosscher <stevenb@suse.de>
+
+ * reorg.c (mostly_true_jump): Clean up code depending on
+ LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
+ poor man's branch prediction, instead rely on REG_BR_PROB
+ notes to be available.
+
+2005-12-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/24899
+ * loop.c (strength_reduce): Don't reduce giv that is not always
+ computable and where add_val or mult_val can trap.
+
+ * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
+
+2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
+ names of ms1-16-002 files.
+
+2005-12-16 Alan Modra <amodra@bigpond.net.au>
+
+ PR driver/20425
+ * gcc.c (for_each_path): New function.
+ (add_to_obstack, file_at_path): New functions.
+ (struct file_at_path_info, struct add_to_obstack_info): New.
+ (build_search_list): Rewrite using for_each_path. Constify struct
+ path_prefix pointer. Add do_multi param. Adjust all callers.
+ (find_a_file): Similarly, but just change existing param to bool.
+ (putenv_from_prefixes): Add do_multi param, make "paths" const.
+ (do_spec_path): Delete.
+ (struct spec_path_info): New.
+ (spec_path): New function.
+ (do_spec_1): Use for_each_path for %D and %I.
+ (find_file): Adjust for find_a_file changes.
+ (main): Search multilibs for specs. Print multilib lib path for
+ -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
+ (read_specs): Search multilibs for %include and %include_noerr.
+ (is_directory): Remove second string param. Change last param
+ to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
+ check path is a dir. Update all callers.
+ * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
+ * system.h (SMALL_ARG_MAX): Poison.
+ * config.gcc: Don't define SMALL_ARG_MAX.
+ * config.host: Likewise.
+ * config.build: Likewise.
+
+2005-12-16 Paolo Bonzini <bonzini@gnu.org>
+
+ * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
+ FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
+ ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
+ simplify_logical): Move simplifications that do not require
+ additional infrastructure...
+ * simplify-rtx.c (simplify_unary_operation_1,
+ simplify_binary_operation_1): ... here.
+
+2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR 24823
+ * flow.c (mark_used_dest_regs): New function.
+ (mark_used_regs): Call mark_used_dest_regs.
+
+2005-12-16 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
+ represent a use and definition of the same SSA_NAME.
+
+2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
+ Janis Johnson <janis187@us.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
+ (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
+ * target.h (struct gcc_target): Add decimal_float_supported_p.
+ * targhooks.c (default_scalar_mode_supported_p): Handle
+ MODE_DECIMAL_FLOAT.
+ * builtins.def: Add new builtins for 32, 64 and 128 bit variants
+ of inf, nan, finite, isinf and isnan.
+ * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
+ BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
+ BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
+ BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
+ BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
+ BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
+ BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
+ * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
+ Pedwarn if decimal floating point types are used. Error if
+ decimal floating point is not supported by the target.
+ (finish_declspecs): Return type from DFP typespec_word.
+ * c-typeck.c (c_common_type): Choose the decimal floating point
+ type with the greater precision when determining a common type.
+ (convert_arguments): Warn if there is a mismatch between argument
+ and prototype for decimal float types. Warn of conversions with
+ binary float types and of precision narrowing due to prototype.
+ * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
+ (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
+ (c_token_starts_declspecs): Likewise.
+ (c_parser_attributes): Likewise.
+ * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
+ RID_DFLOAT64, RID_DFLOAT128.
+ (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
+ * c-common.c (c_common_type_for_mode): Handle decimal float modes.
+ (shorten_compare): Convert DFP/BFP operands to a common type.
+ (c_common_modes_and_builtins): Register built-in decimal float
+ types if the target supports them.
+ (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
+ * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
+ inf, nan, finite, isinf and isnan builtins.
+ * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
+ (builtin_define_float_constants): Assert non-decimal radix.
+ (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
+ Call builtin_define_decimal_float_constants for each type.
+ * c-lex.c (interpret_float): Decode decimal float types from CPP_N
+ flags. Use real_from_string3, which can handle binary or decimal
+ floats.
+ * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
+ cts_dfloat64, cts_dfloat128.
+ * tree.c (build_common_tree_nodes_2): Add decimal float types.
+ * tree.h (enum tree_index): Add new enumeration values
+ TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
+ TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
+ (dfloat32_type_node): New macro.
+ (dfloat64_type_node, dfloat128_type_node): Likewise.
+ (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
+ (dfloat128_ptr_type_node): Likewise.
+ * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
+ bit decimal floating point types with "df", "dd" and "dl".
+ * c-format.h (enum format_lengths): Add new enumeration values
+ FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
+ * c-format.c (printf_length_specs, scanf_length_specs): Add
+ entries for H, D, DD.
+ (print_char_table, scan_char_table): Use new entries.
+ (asm_fprintf_char_table, gcc_diag_char_table,
+ gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
+ length arrays.
+ * defaults.h (DECIMAL32_TYPE_SIZE): Define.
+ (DECIMAL64_TYPE_SIZE): Likewise.
+ (DECIMAL128_TYPE_SIZE): Likewise.
+ (TARGET_DEC_EVAL_METHOD): Likewise.
+ * doc/extend.texi (Decimal Float): New node.
+ (Constructing Calls): Document decimal float built-ins.
+ * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
+ * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
+ * ginclude/decfloat.h: New file.
+
+2005-12-16 Alan Modra <amodra@bigpond.net.au>
+
+ * reload.c (find_reloads): Fix comment typo.
+ * recog.h (recog_memoized): Correct comment.
+
2005-12-16 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h, config/i386/winnt.c, config/pa/pa.c,
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