diff options
Diffstat (limited to 'libm/or1k/fsetexcptflg.c')
| -rw-r--r-- | libm/or1k/fsetexcptflg.c | 42 | 
1 files changed, 42 insertions, 0 deletions
| diff --git a/libm/or1k/fsetexcptflg.c b/libm/or1k/fsetexcptflg.c new file mode 100644 index 000000000..01c6e8635 --- /dev/null +++ b/libm/or1k/fsetexcptflg.c @@ -0,0 +1,42 @@ +/* Set floating-point environment exception handling. +   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 +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ +  fpu_control_t cw; +  fpu_control_t cw_new; + +  /* Get the current exceptions.  */ +  _FPU_GETCW (cw); + +  /* Make sure the flags we want restored are legal.  */ +  excepts &= FE_ALL_EXCEPT; + +  /* Now set selected bits from flagp. Note that we ignore all non-flag +     bits from *flagp, so they don't matter.  */ +  cw_new = (cw & ~excepts) | (*flagp & excepts); + +  if (cw != cw_new) +    _FPU_SETCW (cw_new); + +  /* Success.  */ +  return 0; +} | 
