diff options
Diffstat (limited to 'libm/or1k/fclrexcpt.c')
| -rw-r--r-- | libm/or1k/fclrexcpt.c | 42 | 
1 files changed, 42 insertions, 0 deletions
| diff --git a/libm/or1k/fclrexcpt.c b/libm/or1k/fclrexcpt.c new file mode 100644 index 000000000..ecb327d72 --- /dev/null +++ b/libm/or1k/fclrexcpt.c @@ -0,0 +1,42 @@ +/* Clear given exceptions in current floating-point environment. +   OpenRISC version. +   Copyright (C) 2024-2025 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 <fpu_control.h> + +int +feclearexcept (int excepts) +{ +  fpu_control_t cw; +  fpu_control_t cw_new; + +  /* Mask out unsupported bits/exceptions.  */ +  excepts &= FE_ALL_EXCEPT; + +  /* Read the complete control word.  */ +  _FPU_GETCW (cw); + +  cw_new = cw & ~excepts; + +  /* Put the new data in effect.  */ +  if (cw != cw_new) +    _FPU_SETCW (cw_new); + +  /* Success.  */ +  return 0; +} | 
