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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f2481a5b7b5..661e5337a53 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,81 @@ +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. |