sysdeps/powerpc/nofpu/feenablxcpt.c

   1 /* Enable exceptions (soft-float edition).
   2    Copyright (C) 2002-2018 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, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include "soft-supp.h"
  21 #include <fenv.h>
  22
  23 int
  24 feenableexcept (int exceptions)
  25 {
  26   int old_exceptions = ~__sim_disabled_exceptions_thread & FE_ALL_EXCEPT;
  27
  28   __sim_disabled_exceptions_thread &= ~exceptions;
  29   SIM_SET_GLOBAL (__sim_disabled_exceptions_global,
  30                   __sim_disabled_exceptions_thread);
  31
  32   return old_exceptions;
  33 }