1111nnnnmmm01011
Available only when PR=0 and SZ=1
sr ← ZeroExtend32(SR);
fps ← ZeroExtend32(FPSCR);
op1 ← FloatValuePair32(FP2m);
op2 ← SignExtend32(Rn);
IF (FpuIsDisabled(sr) AND IsDelaySlot())
THROW SLOTFPUDIS;
IF (FpuIsDisabled(sr))
THROW FPUDIS;
address ← ZeroExtend32(op2 - 8);
WriteMemoryPair32(address, op1);
op2 ← address;
Rn ← Register(op2);