1 | /* This is a software decimal floating point library. |
2 | Copyright (C) 2007-2024 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 | Under Section 7 of GPL version 3, you are granted additional |
17 | permissions described in the GCC Runtime Library Exception, version |
18 | 3.1, as published by the Free Software Foundation. |
19 | |
20 | You should have received a copy of the GNU General Public License and |
21 | a copy of the GCC Runtime Library Exception along with this program; |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | <http://www.gnu.org/licenses/>. */ |
24 | |
25 | /* This implements IEEE 754R decimal floating point arithmetic, but |
26 | does not provide a mechanism for setting the rounding mode, or for |
27 | generating or handling exceptions. Conversions between decimal |
28 | floating point types and other types depend on C library functions. |
29 | |
30 | Contributed by Ben Elliston <bje@au.ibm.com>. */ |
31 | |
32 | /* The intended way to use this file is to make two copies, add `#define ' |
33 | to one copy, then compile both copies and add them to libgcc.a. */ |
34 | |
35 | #include <string.h> |
36 | #include "bid-dpd.h" |
37 | #include "decimal64.h" |
38 | |
39 | void __host_to_ieee_64 (_Decimal64 in, decimal64 *out); |
40 | void __ieee_to_host_64 (decimal64 in, _Decimal64 *out); |
41 | |
42 | void |
43 | __host_to_ieee_64 (_Decimal64 in, decimal64 *out) |
44 | { |
45 | memcpy (dest: (char *) out, src: (char *) &in, n: 8); |
46 | } |
47 | |
48 | void |
49 | __ieee_to_host_64 (decimal64 in, _Decimal64 *out) |
50 | { |
51 | memcpy (dest: (char *) out, src: (char *) &in, n: 8); |
52 | } |
53 | |