sysdeps/powerpc/nofpu/feenablxcpt.c

   1 /* Enable exceptions (soft-float edition).
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3    Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
   4    This file is part of the GNU C Library.
   5
   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.
  10
  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.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <fenv.h>
  22
  23 extern int __sim_disabled_exceptions;
  24
  25 int
  26 feenableexcept (int exceptions)
  27 {
  28   int old_exceptions = ~__sim_disabled_exceptions & FE_ALL_EXCEPT;
  29
  30   __sim_disabled_exceptions &= ~exceptions;
  31
  32   return old_exceptions;
  33 }