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    • 5. 发明申请
    • Microprocessor
    • 微处理器
    • US20070022272A1
    • 2007-01-25
    • US11274401
    • 2005-11-16
    • Isao Katayama
    • Isao Katayama
    • G06F9/30
    • G06F9/3836G06F9/3867
    • The present invention includes a pipeline having a plurality of stages, and a resource management unit configured to be connected to the pipeline and manage circuit resources for processing instructions. An instruction fetch unit is configured to issue processing commands to the pipeline, receive a busy signal BS from the resource management unit requesting the fetch unit to stop issuing commands to the pipeline, and then stops issuing commands to the pipeline. An instruction selector is configured to receive a processing command from the instruction fetch unit and a command from a final stage of the pipeline to re-enter the pipeline, via a re-entry path extending to a first stage of the pipeline, and select an instruction to enter the pipeline in conformity with a control signal SCS from the resource management unit.
    • 本发明包括具有多个级的流水线,以及资源管理单元,被配置为连接到流水线并管理用于处理指令的电路资源。 指令提取单元被配置为向流水线发出处理命令,从资源管理单元接收忙信号BS,请求提取单元停止向流水线发出命令,然后停止向流水线发出命令。 指令选择器被配置为经由延伸到流水线的第一级的重新进入路径从指令获取单元接收处理命令和来自流水线的最后级的命令以重新进入流水线,并且选择 根据来自资源管理单元的控制信号SCS进入管线的指令。