OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [dfp.h] - Blame information for rev 684

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 684 jeremybenn
/* Decimal floating point support functions for GNU compiler.
2
   Copyright (C) 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
3
 
4
This file is part of GCC.
5
 
6
GCC is free software; you can redistribute it and/or modify it under
7
the terms of the GNU General Public License as published by the Free
8
Software Foundation; either version 3, or (at your option) any later
9
version.
10
 
11
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12
WARRANTY; without even the implied warranty of MERCHANTABILITY or
13
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14
for more details.
15
 
16
You should have received a copy of the GNU General Public License
17
along with GCC; see the file COPYING3.  If not see
18
<http://www.gnu.org/licenses/>.  */
19
 
20
#ifndef GCC_DFP_H
21
#define GCC_DFP_H
22
 
23
/* Encode REAL_VALUE_TYPEs into 32/64/128-bit IEEE 754 encoded values.  */
24
void encode_decimal32  (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
25
void encode_decimal64  (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
26
void decode_decimal128 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
27
 
28
/* Decode 32/64/128-bit IEEE 754 encoded values into REAL_VALUE_TYPEs.  */
29
void decode_decimal32  (const struct real_format *, REAL_VALUE_TYPE *, const long *);
30
void decode_decimal64  (const struct real_format *, REAL_VALUE_TYPE *, const long *);
31
void encode_decimal128 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
32
 
33
/* Arithmetic and conversion functions.  */
34
int  decimal_do_compare (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *, int);
35
void decimal_real_from_string (REAL_VALUE_TYPE *, const char *);
36
void decimal_round_for_format (const struct real_format *, REAL_VALUE_TYPE *);
37
void decimal_real_convert (REAL_VALUE_TYPE *, enum machine_mode, const REAL_VALUE_TYPE *);
38
void decimal_real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t, size_t, int);
39
void decimal_do_fix_trunc (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *);
40
void decimal_real_maxval (REAL_VALUE_TYPE *, int, enum machine_mode);
41
void decimal_real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *, const REAL_VALUE_TYPE *);
42
HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *);
43
 
44
#ifdef TREE_CODE
45
bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *,
46
                              const REAL_VALUE_TYPE *);
47
#endif
48
 
49
#endif /* GCC_DFP_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.