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11. 发明授权

US5195052A Circuit and method for performing integer power operations 失效
标题翻译：用于执行整数电源操作的电路和方法
公开(公告)号：US5195052A
公开(公告)日：1993-03-16
申请号：US807305
申请日：1991-12-13
申请人： Faraydon O. Karim
发明人： Faraydon O. Karim
IPC分类号： G06F7/552 , G06F7/556
CPC分类号： G06F7/556 , G06F2207/5561
摘要： An arithmetic circuit for performing an integer power operation having a first register that is initially stored with integer power data, a second register stored with base data and a multiplier for multiplying the second register contents with a third register. A control circuit is provided for iteratively shifting the first register and for each iteration (1) selectively multiplying, according to data shifted from said first register, the second register data by the third register data and storing the results in the third register, and (2) multiplying the second register data by itself and storing the results back into the second register. These iterative steps are continued until the remaining data in the first register indicates that the arithmetic operation is complete, whereupon a completion signal is provided.
摘要翻译：一种算术电路，用于执行具有最初存储有整数功率数据的第一寄存器的整数功率操作，存储有基本数据的第二寄存器和用于将第二寄存器内容与第三寄存器相乘的乘法器。提供控制电路用于迭代地移位第一寄存器，并且对于每次迭代（1），根据从所述第一寄存器移位的数据，选择性地将第二寄存器数据乘以第三寄存器数据并将结果存储在第三寄存器中，并且（ 2）将第二寄存器数据本身相乘并将结果存储回第二寄存器。继续这些迭代步骤，直到第一个寄存器中的剩余数据指示算术运算完成，从而提供完成信号。

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