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10de71e1 | 1 | /* This is a software decimal floating point library. |
f1717362 | 2 | Copyright (C) 2007-2016 Free Software Foundation, Inc. |
10de71e1 | 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 | |
6bc9506f | 8 | Software Foundation; either version 3, or (at your option) any later |
10de71e1 | 9 | version. |
10 | ||
10de71e1 | 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 | ||
6bc9506f | 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/>. */ | |
10de71e1 | 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 | ||
10de71e1 | 35 | #include <string.h> |
10de71e1 | 36 | #include "bid-dpd.h" |
37 | #include "decimal64.h" | |
38 | ||
10de71e1 | 39 | void __host_to_ieee_64 (_Decimal64 in, decimal64 *out); |
40 | void __ieee_to_host_64 (decimal64 in, _Decimal64 *out); | |
41 | ||
10de71e1 | 42 | void |
43 | __host_to_ieee_64 (_Decimal64 in, decimal64 *out) | |
44 | { | |
c8ac5d9a | 45 | memcpy ((char *) out, (char *) &in, 8); |
10de71e1 | 46 | } |
47 | ||
48 | void | |
49 | __ieee_to_host_64 (decimal64 in, _Decimal64 *out) | |
50 | { | |
c8ac5d9a | 51 | memcpy ((char *) out, (char *) &in, 8); |
10de71e1 | 52 | } |