1 /* This is a software decimal floating point library.
2 Copyright (C) 2007-2013 Free Software Foundation, Inc.
4 This file is part of GCC.
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
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
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.
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/>. */
29 #include "decimal128.h"
31 void __host_to_ieee_128 (_Decimal128 in
, decimal128
*out
);
32 void __ieee_to_host_128 (decimal128 in
, _Decimal128
*out
);
34 /* The code for converting 128-bit values between DPD and BID presumes
35 that the 64-bit halves of the 128-bit value are in little-endian
36 order, so they need swapping on big-endian hosts. */
39 __host_to_ieee_128 (_Decimal128 in
, decimal128
*out
)
42 memcpy ((char *) out
, (char *) &in
+ 8, 8);
43 memcpy ((char *) out
+ 8, (char *) &in
, 8);
45 memcpy ((char *) out
, (char *) &in
, 16);
50 __ieee_to_host_128 (decimal128 in
, _Decimal128
*out
)
53 memcpy ((char *) out
, (char *) &in
+ 8, 8);
54 memcpy ((char *) out
+ 8, (char *) &in
, 8);
56 memcpy ((char *) out
, (char *) &in
, 16);
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