MLA如何保存一个周期?
因此,我试图了解ARM7处理器的工作方式;我无法将头缠绕在MLA指令上。
ARM7注册库只有PC_READ以外的2个输出。如何同时读取RM和RS和RN来执行多功能指令? (rd:= rm*rs+rn)
您能否引导我完成如何逐步工作的过程,从获取到写回到rs?
So I'm trying to understand how ARM7 processors work; I can't wrap my head around the MLA instruction.
ARM7 register bank has only 2 outputs other than pc_read. How can it read Rm and Rs and Rn at the same time to perform a multiply-accumulate instruction?! (Rd:=Rm*Rs+Rn)
Could you walk me through the process of how it works step by step from fetch to writing back to Rs?
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