andil #0x80000000,%d0 | ...SIGN BIT OF X
oril #0x3F800000,%d0 | ...+-1 IN SGL FORMAT
movel %d0,-(%sp) | ...push SIGN(X) IN SGL-FMT
andil #0x80000000,%d0 | ...SIGN BIT OF X
oril #0x3F800000,%d0 | ...+-1 IN SGL FORMAT
movel %d0,-(%sp) | ...push SIGN(X) IN SGL-FMT