1 /* This is a software decimal floating point library.
2 Copyright (C) 2007 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 2, or (at your option) any later
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
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
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
34 #include "decimal128.h"
36 void __host_to_ieee_128 (_Decimal128 in
, decimal128
*out
);
37 void __ieee_to_host_128 (decimal128 in
, _Decimal128
*out
);
39 /* The code for converting 128-bit values between DPD and BID presumes
40 that the 64-bit halves of the 128-bit value are in little-endian
41 order, so they need swapping on big-endian hosts. */
44 __host_to_ieee_128 (_Decimal128 in
, decimal128
*out
)
47 memcpy ((char *) out
, (char *) &in
+ 8, 8);
48 memcpy ((char *) out
+ 8, (char *) &in
, 8);
50 memcpy ((char *) out
, (char *) &in
, 16);
55 __ieee_to_host_128 (decimal128 in
, _Decimal128
*out
)
58 memcpy ((char *) out
, (char *) &in
+ 8, 8);
59 memcpy ((char *) out
+ 8, (char *) &in
, 8);
61 memcpy ((char *) out
, (char *) &in
, 16);
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