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A SYSTEM AND METHOD FOR USING A LOCAL CONDITION CODE REGISTER FOR ACCELERATING CONDITIONAL INSTRUCTION EXECUTION IN A PIPELINE PROCESSOR
A SYSTEM AND METHOD FOR USING A LOCAL CONDITION CODE REGISTER FOR ACCELERATING CONDITIONAL INSTRUCTION EXECUTION IN A PIPELINE PROCESSOR
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机译:一种使用本地条件代码寄存器来加速管道处理器中的条件指令执行的系统和方法
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摘要
A method of executing a conditional instruction within a pipeline processor having a plurality of pipelines, the processor having a first condition code register associated with a first pipeline and a second condition code register associated with a second pipeline is disclosed. The method saves a most recent condition code value to either the first condition code register or the second condition code register. The method further sets an indicator indicating whether the second condition code register has the most recent condition code value and retrieves the most recent condition code value from either the first or second condition code register based on the indicator. The method uses the most recent condition code value to determine if the conditional instruction should be executed.
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