| /* Enable floating-point exceptions. |
| Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000. |
| |
| 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 |
| feenableexcept (int excepts) |
| { |
| fenv_t old_fpsr; |
| fenv_t new_fpsr; |
| |
| /* Get the current fpsr. */ |
| __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (old_fpsr)); |
| |
| new_fpsr = old_fpsr & ~((fenv_t) excepts & FE_ALL_EXCEPT); |
| |
| __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr) : "memory"); |
| |
| return (old_fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT; |
| } |
