sysdeps/powerpc/nofpu/fesetenv.c

   1 /* Set floating point environment (soft-float edition).
   2    Copyright (C) 2002-2015 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-fp.h"
  21 #include "soft-supp.h"
  22
  23 int
  24 __fesetenv (const fenv_t *envp)
  25 {
  26   fenv_union_t u;
  27
  28   u.fenv = *envp;
  29   __sim_exceptions_thread = u.l[0] & FE_ALL_EXCEPT;
  30   SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread);
  31   __sim_round_mode_thread = u.l[0] & 0x3;
  32   SIM_SET_GLOBAL (__sim_round_mode_global, __sim_round_mode_thread);
  33   __sim_disabled_exceptions_thread = u.l[1];
  34   SIM_SET_GLOBAL (__sim_disabled_exceptions_global,
  35                   __sim_disabled_exceptions_thread);
  36   return 0;
  37 }
  38
  39 #include <shlib-compat.h>
  40 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  41 strong_alias (__fesetenv, __old_fesetenv)
  42 compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
  43 #endif
  44
  45 libm_hidden_def (__fesetenv)
  46 libm_hidden_ver (__fesetenv, fesetenv)
  47 versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);