diff options
Diffstat (limited to 'libm/riscv64/get-rounding-mode.h')
| -rw-r--r-- | libm/riscv64/get-rounding-mode.h | 32 | 
1 files changed, 32 insertions, 0 deletions
| diff --git a/libm/riscv64/get-rounding-mode.h b/libm/riscv64/get-rounding-mode.h new file mode 100644 index 000000000..7ab691ac8 --- /dev/null +++ b/libm/riscv64/get-rounding-mode.h @@ -0,0 +1,32 @@ +/* Determine floating-point rounding mode within libc.  RISC-V version. +   Copyright (C) 2015-2025 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/>.  */ + +#ifndef _RISCV_GET_ROUNDING_MODE_H +#define _RISCV_GET_ROUNDING_MODE_H + +/* Return the floating-point rounding mode.  */ + +static inline int +get_rounding_mode (void) +{ +  int rm; +  __asm__ volatile ("frrm %0" : "=r" (rm)); +  return rm; +} + +#endif /* get-rounding-mode.h */ | 
