1  /* Determine floating-point rounding mode within libc.  ARC version.
       2     Copyright (C) 2020-2023 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 _ARC_GET_ROUNDING_MODE_H
      20  #define _ARC_GET_ROUNDING_MODE_H	1
      21  
      22  #include <fenv.h>
      23  #include <fpu_control.h>
      24  
      25  static inline int
      26  get_rounding_mode (void)
      27  {
      28  #if defined(__ARC_FPU_SP__) ||  defined(__ARC_FPU_DP__)
      29    unsigned int fpcr;
      30    _FPU_GETCW (fpcr);
      31  
      32    return (fpcr >> __FPU_RND_SHIFT) & __FPU_RND_MASK;
      33  #else
      34    return FE_TONEAREST;
      35  #endif
      36  }
      37  
      38  #endif /* get-rounding-mode.h */