• 2022-06-16
    使用LL/SC机制构造原子交换时,下面正确语句顺序是()① try:OR R3, R5, R0;②MOV R5, R2 ;③BEQZ R3, try;④LL R2, 0(R1);⑤ SC R3, 0(R1)
    A: ④①⑤②③
    B: ①④⑤③②
    C: ①④②⑤③
    D: ④①⑤③②