sysdeps/powerpc/nofpu/fesetenv.c

   1 /* Set floating point environment (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 "soft-fp.h"
  22 #include "soft-supp.h"
  23 #include <bp-sym.h>
  24
  25 extern int __sim_exceptions attribute_hidden;
  26 extern int __sim_disabled_exceptions attribute_hidden;
  27 extern int __sim_round_mode attribute_hidden;
  28
  29 int
  30 __fesetenv (const fenv_t *envp)
  31 {
  32   fenv_union_t u;
  33
  34   u.fenv = *envp;
  35   __sim_exceptions = u.l[0] & FE_ALL_EXCEPT;
  36   __sim_round_mode = u.l[0] & 0x3;
  37   __sim_disabled_exceptions = u.l[1];
  38   return 0;
  39 }
  40
  41 #include <shlib-compat.h>
  42 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  43 strong_alias (__fesetenv, __old_fesetenv)
  44 compat_symbol (libm, BP_SYM (__old_fesetenv), BP_SYM (fesetenv), GLIBC_2_1);
  45 #endif
  46
  47 libm_hidden_ver (__fesetenv, fesetenv)
  48 versioned_symbol (libm, BP_SYM (__fesetenv), BP_SYM (fesetenv), GLIBC_2_2);