__ashrdi3 (DItype u, word_type b)
__ashrdi3 (s64 u, int b)
__ashrdi3 (DItype u, word_type b){  DIunion w;  word_type bm;  DIunion uu;  if (b == 0)    return u;  uu.ll = u;  bm = (sizeof (SItype) * BITS_PER_UNIT) - b;  if (bm <= 0)    {      /* w.s.high = 1..1 or 0..0 */      w.s.high = uu.s.high >> (sizeof (SItype) * BITS_PER_UNIT - 1);      w.s.low = uu.s.high >> -bm;    }  else    {      USItype carries = (USItype)uu.s.high << bm;      w.s.high = uu.s.high >> b;      w.s.low = ((USItype)uu.s.low >> b) | carries;    }  return w.ll;}