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f5bc1778 DJ |
1 | /* This is a software decimal floating point library. |
2 | Copyright (C) 2007 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 2, or (at your option) any later | |
9 | version. | |
10 | ||
11 | In addition to the permissions in the GNU General Public License, the | |
12 | Free Software Foundation gives you unlimited permission to link the | |
13 | compiled version of this file into combinations with other programs, | |
14 | and to distribute those combinations without any restriction coming | |
15 | from the use of this file. (The General Public License restrictions | |
16 | do apply in other respects; for example, they cover modification of | |
17 | the file, and distribution when not linked into a combine | |
18 | executable.) | |
19 | ||
20 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
21 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
22 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
23 | for more details. | |
24 | ||
25 | You should have received a copy of the GNU General Public License | |
26 | along with GCC; see the file COPYING. If not, write to the Free | |
27 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA | |
28 | 02110-1301, USA. */ | |
29 | ||
30 | /* This implements IEEE 754R decimal floating point arithmetic, but | |
31 | does not provide a mechanism for setting the rounding mode, or for | |
32 | generating or handling exceptions. Conversions between decimal | |
33 | floating point types and other types depend on C library functions. | |
34 | ||
35 | Contributed by Ben Elliston <bje@au.ibm.com>. */ | |
36 | ||
37 | /* The intended way to use this file is to make two copies, add `#define ' | |
38 | to one copy, then compile both copies and add them to libgcc.a. */ | |
39 | ||
40 | #include <string.h> | |
41 | #include "bid-dpd.h" | |
42 | #include "decimal64.h" | |
43 | ||
44 | void __host_to_ieee_64 (_Decimal64 in, decimal64 *out); | |
45 | void __ieee_to_host_64 (decimal64 in, _Decimal64 *out); | |
46 | ||
47 | void | |
48 | __host_to_ieee_64 (_Decimal64 in, decimal64 *out) | |
49 | { | |
50 | memcpy ((char *) out, (char *) &in, 8); | |
51 | } | |
52 | ||
53 | void | |
54 | __ieee_to_host_64 (decimal64 in, _Decimal64 *out) | |
55 | { | |
56 | memcpy ((char *) out, (char *) &in, 8); | |
57 | } |