1 /* Software floating-point emulation.
3 Copyright (C) 1997,1999,2006 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Richard Henderson (rth@cygnus.com) and
6 Jakub Jelinek (jj@ultra.linux.cz).
8 The GNU C Library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Lesser General Public
10 License as published by the Free Software Foundation; either
11 version 2.1 of the License, or (at your option) any later version.
13 The GNU C Library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public
19 License along with the GNU C Library; if not, see
20 <http://www.gnu.org/licenses/>. */
26 double _Qp_qtod(const long double *a
)
34 FP_UNPACK_SEMIRAW_QP(A
, a
);
35 #if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
36 FP_TRUNC(D
,Q
,2,4,R
,A
);
38 FP_TRUNC(D
,Q
,1,2,R
,A
);
40 FP_PACK_SEMIRAW_D(r
, R
);
41 QP_HANDLE_EXCEPTIONS(__asm (
43 " ldd [%1+8], %%f54\n"
45 " " : "=&e" (r
) : "r" (a
) : QP_CLOBBER
));