text: /* Enable floating-point exceptions.
     Copyright (C) 2000-2020 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
     <https://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;
  }
  