1  /* { dg-do compile } */
       2  /* { dg-require-effective-target int128 } */
       3  /* { dg-options "-O" } */
       4  
       5  typedef int int32_t;
       6  
       7  int32_t round32hi (const __int128_t arg)
       8  {
       9    const int SHIFT = 96;
      10    const int mshift = 96;
      11    const __int128_t M = (~(__int128_t) 0) << mshift;
      12    const __int128_t L = (~M) + 1;
      13    const __int128_t L1 = ((__int128_t) L) >> 1;
      14    const __int128_t Mlo = ((__int128_t) (~M)) >> 1;
      15    __int128_t vv = arg & M;
      16  
      17    if ((arg & (L1)) && ((arg & Mlo) || (arg & L)))
      18      vv += L;
      19  
      20    return (int32_t) (vv >> SHIFT);
      21  }