发明授权
US5835394A Calculating selected sign 3 expression in a single instruction cycle
失效
在单个指令周期内计算所选符号3表达式
- 专利标题： Calculating selected sign 3 expression in a single instruction cycle
- 专利标题（中）： 在单个指令周期内计算所选符号3表达式
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申请号： US719190申请日： 1996-09-24
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公开(公告)号： US5835394A公开(公告)日： 1998-11-10
- 发明人: Roney S. Wong
- 申请人： Roney S. Wong
- 申请人地址： CA
- 专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人地址： CA
- 主分类号： G06F7/50
- IPC分类号： G06F7/50 ; G06F7/544
摘要：
A selected one of the expressions 2A+sign(A), 2A-sign(A), A+sign(A), and A-sign(A) is calculated, where A is a signed binary integer represented in 2's complement form, sign(A) is equal to one when A is greater than zero, sign(A) is equal to zero when A is zero, and sign(A) is equal to negative one when A is less than zero. Advantageously, the selected sign 3 expression can be calculated by a general purpose computer in a single instruction cycle.
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