| /* Decimal floating point support functions for GNU compiler. |
| Copyright (C) 2005-2020 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef GCC_DFP_H |
| #define GCC_DFP_H |
| |
| /* Encode REAL_VALUE_TYPEs into 32/64/128-bit IEEE 754 encoded values. */ |
| void encode_decimal32 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *); |
| void encode_decimal64 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *); |
| void decode_decimal128 (const struct real_format *, REAL_VALUE_TYPE *, const long *); |
| |
| /* Decode 32/64/128-bit IEEE 754 encoded values into REAL_VALUE_TYPEs. */ |
| void decode_decimal32 (const struct real_format *, REAL_VALUE_TYPE *, const long *); |
| void decode_decimal64 (const struct real_format *, REAL_VALUE_TYPE *, const long *); |
| void encode_decimal128 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *); |
| |
| /* Arithmetic and conversion functions. */ |
| int decimal_do_compare (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *, int); |
| void decimal_real_from_string (REAL_VALUE_TYPE *, const char *); |
| void decimal_round_for_format (const struct real_format *, REAL_VALUE_TYPE *); |
| void decimal_real_convert (REAL_VALUE_TYPE *, const real_format *, |
| const REAL_VALUE_TYPE *); |
| void decimal_real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t, size_t, int); |
| void decimal_do_fix_trunc (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *); |
| void decimal_real_maxval (REAL_VALUE_TYPE *, int, machine_mode); |
| wide_int decimal_real_to_integer (const REAL_VALUE_TYPE *, bool *, int); |
| HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *); |
| |
| #ifdef TREE_CODE |
| bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *, |
| const REAL_VALUE_TYPE *); |
| #endif |
| |
| #endif /* GCC_DFP_H */ |