diff options
Diffstat (limited to 'sysdeps/i386')
-rw-r--r-- | sysdeps/i386/fpu/fesetexcept.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/fesetexcept.c b/sysdeps/i386/fpu/fesetexcept.c new file mode 100644 index 0000000000..eeb0c7f90b --- /dev/null +++ b/sysdeps/i386/fpu/fesetexcept.c @@ -0,0 +1,31 @@ +/* Set given exception flags. i386 version. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv.h> + +int +fesetexcept (int excepts) +{ + fenv_t temp; + + __asm__ ("fnstenv %0" : "=m" (*&temp)); + temp.__status_word |= excepts & FE_ALL_EXCEPT; + __asm__ ("fldenv %0" : : "m" (*&temp)); + + return 0; +} |