1169689Skan/* Public domain.  */
2169689Skantypedef int SItype __attribute__ ((mode (SI)));
3169689Skantypedef unsigned int USItype __attribute__ ((mode (SI)));
4169689Skantypedef float SFtype __attribute__ ((mode (SF)));
5169689Skan
6169689SkanSFtype
7169689Skan__floatunsisf (USItype u)
8169689Skan{
9169689Skan  SItype s = (SItype) u;
10169689Skan  if (s < 0)
11169689Skan    {
12169689Skan      /* As in expand_float, compute (u & 1) | (u >> 1) to ensure
13169689Skan	 correct rounding if a nonzero bit is shifted out.  */
14169689Skan      return (SFtype) 2.0 * (SFtype) (SItype) ((u & 1) | (u >> 1));
15169689Skan    }
16169689Skan  else
17169689Skan    return (SFtype) s;
18169689Skan}
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