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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/dfp.h | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/dfp.h')
| -rw-r--r-- | gcc-4.9/gcc/dfp.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/dfp.h b/gcc-4.9/gcc/dfp.h new file mode 100644 index 000000000..268ceaae3 --- /dev/null +++ b/gcc-4.9/gcc/dfp.h @@ -0,0 +1,49 @@ +/* Decimal floating point support functions for GNU compiler. + Copyright (C) 2005-2014 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 *, enum machine_mode, 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, enum machine_mode); +void decimal_real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *, const REAL_VALUE_TYPE *); +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 */ |