diff options
Diffstat (limited to 'ports/sysdeps/mips/fpu/fesetenv.c')
| -rw-r--r-- | ports/sysdeps/mips/fpu/fesetenv.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/ports/sysdeps/mips/fpu/fesetenv.c b/ports/sysdeps/mips/fpu/fesetenv.c new file mode 100644 index 0000000000..66c7f2d0fa --- /dev/null +++ b/ports/sysdeps/mips/fpu/fesetenv.c @@ -0,0 +1,42 @@ +/* Install given floating-point environment. + Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@suse.de>, 1998. + + 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 +fesetenv (const fenv_t *envp) +{ + fpu_control_t cw; + + /* Read first current state to flush fpu pipeline. */ + _FPU_GETCW (cw); + + if (envp == FE_DFL_ENV) + _FPU_SETCW (_FPU_DEFAULT); + else if (envp == FE_NOMASK_ENV) + _FPU_SETCW (_FPU_IEEE); + else + _FPU_SETCW (envp->__fp_control_register); + + /* Success. */ + return 0; +} + +libm_hidden_def (fesetenv) |