sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c

   1 /* Install given floating-point environment and raise exceptions.
   2    e500 version.
   3    Copyright (C) 2004-2015 Free Software Foundation, Inc.
   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 <fenv_libc.h>
  21
  22 int
  23 __feupdateenv (const fenv_t *envp)
  24 {
  25   int exc;
  26
  27   /* Save the currently set exceptions.  */
  28   exc = fegetenv_register () & SPEFSCR_ALL_EXCEPT;
  29
  30   /* Install new environment.  */
  31   __fesetenv (envp);
  32
  33   /* Raise (if appropriate) saved exceptions. */
  34   __feraiseexcept_spe (exc);
  35
  36   /* Success.  */
  37   return 0;
  38 }
  39
  40 #include <shlib-compat.h>
  41 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  42 strong_alias (__feupdateenv, __old_feupdateenv)
  43 compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1);
  44 #endif
  45
  46 libm_hidden_def (__feupdateenv)
  47 libm_hidden_ver (__feupdateenv, feupdateenv)
  48 versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);