diff options
Diffstat (limited to 'ports/sysdeps/am33/fpu/feupdateenv.c')
-rw-r--r-- | ports/sysdeps/am33/fpu/feupdateenv.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/ports/sysdeps/am33/fpu/feupdateenv.c b/ports/sysdeps/am33/fpu/feupdateenv.c new file mode 100644 index 0000000000..70951a3675 --- /dev/null +++ b/ports/sysdeps/am33/fpu/feupdateenv.c @@ -0,0 +1,46 @@ +/* Install given floating-point environment and raise exceptions. + Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com> + based on corresponding file in the MIPS port. + + 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> +#include <shlib-compat.h> + +int +__feupdateenv (const fenv_t *envp) +{ + int temp; + + /* Save current exceptions. */ + _FPU_GETCW (temp); + temp &= FE_ALL_EXCEPT; + + /* Install new environment. */ + fesetenv (envp); + + /* Raise the safed 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. */ + feraiseexcept (temp); + + /* Success. */ + return 0; +} + +versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2); |