]>
git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/ia64/fpu/fedisblxcpt.c
1 /* Disable floating-point exceptions.
2 Copyright (C) 2000-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
23 fedisableexcept (int excepts
)
28 /* Get the current fpsr. */
29 __asm__
__volatile__ ("mov.m %0=ar.fpsr" : "=r" (old_fpsr
));
31 new_fpsr
= old_fpsr
| ((fenv_t
) excepts
& FE_ALL_EXCEPT
);
33 __asm__
__volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr
) : "memory");
35 return (old_fpsr
^ FE_ALL_EXCEPT
) & FE_ALL_EXCEPT
;