1 /* Store current floating-point control modes. Alpha version.
2 Copyright (C) 2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <fenv_libc.h>
22 fegetmode (femode_t
*modep
)
24 unsigned long int fpcr
;
25 unsigned long int swcr
;
28 swcr
= __ieee_get_fp_control ();
29 __asm__
__volatile__ ("mf_fpcr %0" : "=f" (fpcr
));
30 *modep
= ((fpcr
& FPCR_ROUND_MASK
) | (swcr
& SWCR_ALL_MASK
));