术语 | shift instruction |
释义 | shift instruction 移位指令 An instruction that includes operations which will shift the number either to the left or to the right withinan arithmetic register. A shift operation is equivalent to multiplying or dividing, depending upon the direction of the shift, by the radix of the number base in use. 在运算寄存器中使数向左或向右移位的操作的一种指令,根据移位的方向不同,移位操作相当于乘以或除以所采用的基数。 |
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