架构改进 #17
CodeWenjiu
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架构改进
#17
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订正，ID依旧需要取出rs值，不然IS阶段要取出rs然后得到逻辑值的话路径太长了，不过如果加了乱序单元，那么ID就不再取出，由乱序单元负责取出 |
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目前的架构不得不额外将imm传给AL阶段，但是等到之后加入IS(指令分配)阶段后，不仅可以将AG的任务在IS阶段完成，还可以提前将比较类型的任务提前完成，将逻辑结果(只占用1位)发送给AL，这样就可以只传递两个源操作数了。
同时等到架构改进后，不再在ID阶段取出rs值，保留rs的地址，这样方便乱序，也方便进行RAW的转发。完美。
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