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指令缓冲部件按现行进程的要求为直接操作数部件(PROP)提供指令操作。特别着重于减少指令流中控制转移的影响,为此增设了地址转移的预报机构“转移踪迹”(它包含一个八单元的联想存储器)。 IBU包括三个主要部分: 1)指令的预取和缓冲 2)存储器的请求系统 3)转移踪迹
Instruction buffering components provide instructions for direct operands (PROPs) as required by current processes. With a special focus on reducing the impact of control transfers in the instruction stream, an address transfer predicate “transfer trace” (which contains an eight-cell associative memory) has been added for this purpose. The IBU consists of three main parts: 1) instruction prefetching and buffering 2) memory request system 3) transfer trace