diff options
Diffstat (limited to 'libm/arc/feholdexcpt.c')
-rw-r--r-- | libm/arc/feholdexcpt.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libm/arc/feholdexcpt.c b/libm/arc/feholdexcpt.c new file mode 100644 index 000000000..8febc7508 --- /dev/null +++ b/libm/arc/feholdexcpt.c @@ -0,0 +1,39 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 2020-2025 Free Software Foundation, Inc. + + 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 + <https://www.gnu.org/licenses/>. */ + +#include <fenv.h> +#include "fenv_private.h" + +int +feholdexcept (fenv_t *envp) +{ + unsigned int fpcr; + unsigned int fpsr; + + _FPU_GETCW (fpcr); + _FPU_GETS (fpsr); + + envp->__fpcr = fpcr; + envp->__fpsr = fpsr; + + fpsr &= ~FE_ALL_EXCEPT; + + _FPU_SETCW (fpcr); + _FPU_SETS (fpsr); + + return 0; +} |