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add $s1, $s2, $s3 add $s5, $s2, $s3 sub $s3, $s3, $s2 lw $s2, 100 ($s3)
在单周期数据路径中执行以上 mips 代码需要多少个周期..?
在单周期数据路径中,每条指令将在一个周期内运行;所以你的代码需要四个周期来执行。