diff options
Diffstat (limited to 'libm/arc/get-rounding-mode.h')
| -rw-r--r-- | libm/arc/get-rounding-mode.h | 37 | 
1 files changed, 37 insertions, 0 deletions
| diff --git a/libm/arc/get-rounding-mode.h b/libm/arc/get-rounding-mode.h new file mode 100644 index 000000000..d1bf3475d --- /dev/null +++ b/libm/arc/get-rounding-mode.h @@ -0,0 +1,37 @@ +/* Determine floating-point rounding mode within libc.  ARC version. +   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/>.  */ + +#ifndef _ARC_GET_ROUNDING_MODE_H +#define _ARC_GET_ROUNDING_MODE_H	1 + +#include <fenv.h> +#include <fpu_control.h> + +static inline int +get_rounding_mode (void) +{ +#if defined(__ARC_FPU_SP__) ||  defined(__ARC_FPU_DP__) +  unsigned int fpcr; +  _FPU_GETCW (fpcr); + +  return (fpcr >> __FPU_RND_SHIFT) & __FPU_RND_MASK; +#else +  return FE_TONEAREST; +#endif +} + +#endif /* get-rounding-mode.h */ | 
