1before op1 = 0x10000000 2before op2 = 0x10000000 3before op3 = 0x12345678 4after op1 = 0x10000000 5after op2 = 0x12345678 6after op3 = 0x12345678 7cc = 0 8before op1 = 0x10000000 9before op2 = 0x20000000 10before op3 = 0x12345678 11after op1 = 0x20000000 12after op2 = 0x20000000 13after op3 = 0x12345678 14cc = 1 15