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 Post subject: push25中的更新$r8
PostPosted: Fri Jan 18, 2013 4:27 pm 
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Joined: Fri Mar 04, 2011 9:36 pm
Posts: 500
在V3指令的push25中,有1個步驟是將$pc記到$r8裡。
這個用途是將$r8當base,取出function的起點,
往前可以抓參數。

實作上會用到的指令是
LWI45.FE (Load Word Immediate with Implied Function Entry Point)
也可以在ISA裡面看到。


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