1  /* Determine floating-point rounding mode within libc.  RISC-V version.
       2     Copyright (C) 2015-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _RISCV_GET_ROUNDING_MODE_H
      20  #define _RISCV_GET_ROUNDING_MODE_H
      21  
      22  /* Return the floating-point rounding mode.  */
      23  
      24  static inline int
      25  get_rounding_mode (void)
      26  {
      27    int rm;
      28    asm volatile ("frrm %0" : "=r" (rm));
      29    return rm;
      30  }
      31  
      32  #endif /* get-rounding-mode.h */