1 /* Software floating-point emulation.
3 Copyright (C) 1997-2017 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/>. */
22 /* As QP_HANDLE_EXCEPTIONS reloads FPU control word anyway,
23 avoid doing it twice. */
24 #define _FP_MUL_MEAT_RESET_FE do {} while (0)
28 void _Qp_mul(long double *c
, const long double *a
, const long double *b
)
31 FP_DECL_Q(A
); FP_DECL_Q(B
); FP_DECL_Q(C
);
42 " ldd [%1+8], %%f54\n"
44 " ldd [%2+8], %%f58\n"
45 " fmulq %%f52, %%f56, %%f60\n"
47 " std %%f62, [%0+8]\n"
48 " " : : "r" (c
), "r" (a
), "r" (b
) : QP_CLOBBER
));