diff options
Diffstat (limited to 'sysdeps/loongarch/fpu/feholdexcpt.c')
| -rw-r--r-- | sysdeps/loongarch/fpu/feholdexcpt.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/loongarch/fpu/feholdexcpt.c b/sysdeps/loongarch/fpu/feholdexcpt.c new file mode 100644 index 0000000000..e4f9f6a23b --- /dev/null +++ b/sysdeps/loongarch/fpu/feholdexcpt.c @@ -0,0 +1,40 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 <fpu_control.h> + +int +__feholdexcept (fenv_t *envp) +{ + fpu_control_t cw; + + /* Save the current state. */ + _FPU_GETCW (cw); + envp->__fp_control_register = cw; + + /* Clear all exception enable bits and flags. */ + cw &= ~(_FPU_MASK_V | _FPU_MASK_Z | _FPU_MASK_O | _FPU_MASK_U | _FPU_MASK_I + | FE_ALL_EXCEPT); + _FPU_SETCW (cw); + + return 0; +} + +libm_hidden_def (__feholdexcept) weak_alias (__feholdexcept, feholdexcept) +libm_hidden_weak (feholdexcept) |