0100mmmm01011010
sr ← ZeroExtend32(SR);
op1 ← SignExtend32(Rm);
IF (FpuIsDisabled(sr) AND IsDelaySlot())
THROW SLOTFPUDIS;
IF (FpuIsDisabled(sr))
THROW FPUDIS;
fpul ← op1;
FPUL ← ZeroExtend32(fpul);