def maddu(rn, rm):
"""MADDU - Unsigned 32-bit multiplication, adding results to HI & LO registers"""
# HI||LO <- HI||LO + Rn*Rm (Unsigned)
result = (HI << i32(32)).zeroExtend(64) + LO.zeroExtend(64) + rn.zeroExtend(64) * rm.zeroExtend(64) # expand registers size
HI = result[32:64]
LO = result[:32]
def maddr(rn, rm):
"""MADDR - Signed 32-bit multiplication, adding results to HI & LO registers & storing LO in Rn"""
# HI||LO <- HI||LO + Rn*Rm; Rn <- LO (Signed)
result = (HI << i32(32)).signExtend(64) + LO.signExtend(64) + rn.signExtend(64) * rm.signExtend(64) # expand registers size
HI = result[32:64]
LO = result[:32]
rn = result[:32]