   0  int_and %i0, $255L -> %i1
   4  int_and %i0, $65280L -> %i2
   8  int_and %i0, $16711680L -> %i3
  12  int_and %i0, $4278190080L -> %i0
  16  int_lshift %i1, $24 -> %i1
  20  int_lshift %i2, $8 -> %i2
  24  int_or %i1, %i2 -> %i1
  28  uint_rshift %i3, $8 -> %i2
  32  int_or %i1, %i2 -> %i1
  36  uint_rshift %i0, $24 -> %i0
  40  int_or %i1, %i0 -> %i0
  44  int_signext %i0, $4 -> %i0
  48  int_return %i0
