发明授权
US08880852B2 Detecting logically non-significant operation based on opcode and operand and setting flag to decode address specified in subsequent instruction as different address
有权
基于操作码和操作数检测逻辑上的非有效操作，并设置标志将后续指令中指定的地址解码为不同的地址
- 专利标题： Detecting logically non-significant operation based on opcode and operand and setting flag to decode address specified in subsequent instruction as different address
- 专利标题（中）： 基于操作码和操作数检测逻辑上的非有效操作，并设置标志将后续指令中指定的地址解码为不同的地址
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申请号： US13281958申请日： 2011-10-26
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公开(公告)号： US08880852B2公开(公告)日： 2014-11-04
- 发明人: Mark J. Hickey , Adam J. Muff , Matthew R. Tubbs , Charles D. Wait
- 申请人： Mark J. Hickey , Adam J. Muff , Matthew R. Tubbs , Charles D. Wait
- 申请人地址： US NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： US NY Armonk
- 代理机构： Wood, Herron & Evans, LLP
- 主分类号： G06F9/318
- IPC分类号： G06F9/318 ; G06F9/00 ; G06F9/30 ; G06F9/34
摘要：
A method, apparatus, and program product execute instructions of an instruction stream and detect logically non-significant operations in the instruction stream. Then, based on that detection, a target or source address of a subsequent instruction is adjusted. In some instances, doing so enables a greater number of addresses, e.g., registers, to be accessed in a given number of bit positions within an instruction format.
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