1 /* Software floating-point emulation.
2    Return a converted to IEEE quad
3    Copyright (C) 2007-2016 Free Software Foundation, Inc.
4    This file is part of the GNU C Library.
5    Contributed by Uros Bizjak (ubizjak@gmail.com).
6 
7    The GNU C Library is free software; you can redistribute it and/or
8    modify it under the terms of the GNU Lesser General Public
9    License as published by the Free Software Foundation; either
10    version 2.1 of the License, or (at your option) any later version.
11 
12    In addition to the permissions in the GNU Lesser General Public
13    License, the Free Software Foundation gives you unlimited
14    permission to link the compiled version of this file into
15    combinations with other programs, and to distribute those
16    combinations without any restriction coming from the use of this
17    file.  (The Lesser General Public License restrictions do apply in
18    other respects; for example, they cover modification of the file,
19    and distribution when not linked into a combine executable.)
20 
21    The GNU C Library is distributed in the hope that it will be useful,
22    but WITHOUT ANY WARRANTY; without even the implied warranty of
23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
24    Lesser General Public License for more details.
25 
26    You should have received a copy of the GNU Lesser General Public
27    License along with the GNU C Library; if not, see
28    <http://www.gnu.org/licenses/>.  */
29 
30 #include "soft-fp.h"
31 #include "extended.h"
32 #include "quad.h"
33 
34 TFtype
35 __extendxftf2 (XFtype a)
36 {
37   FP_DECL_EX;
38   FP_DECL_E (A);
39   FP_DECL_Q (R);
40   TFtype r;
41 
42   FP_INIT_TRAPPING_EXCEPTIONS;
43   FP_UNPACK_RAW_E (A, a);
44 #if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
45   FP_EXTEND (Q, E, 4, 4, R, A);
46 #else
47   FP_EXTEND (Q, E, 2, 2, R, A);
48 #endif
49   FP_PACK_RAW_Q (r, R);
50   FP_HANDLE_EXCEPTIONS;
51 
52   return r;
53 }
54