diff options
Diffstat (limited to 'sysdeps/sh/sh4/fpu/feupdateenv.c')
-rw-r--r-- | sysdeps/sh/sh4/fpu/feupdateenv.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/sh/sh4/fpu/feupdateenv.c b/sysdeps/sh/sh4/fpu/feupdateenv.c new file mode 100644 index 0000000000..96a6979141 --- /dev/null +++ b/sysdeps/sh/sh4/fpu/feupdateenv.c @@ -0,0 +1,39 @@ +/* Install given floating-point environment and raise exceptions. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +feupdateenv (const fenv_t *envp) +{ + unsigned int temp; + + _FPU_GETCW (temp); + temp = (temp & FE_ALL_EXCEPT); + + /* Raise the saved exception. Incidently for us the implementation + defined format of the values in objects of type fexcept_t is the + same as the ones specified using the FE_* constants. */ + fesetenv (envp); + feraiseexcept ((int) temp); + + return 0; +} +libm_hidden_def (feupdateenv) |