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Re: Questions about i386 redundant test and comparison removal
- To: law at cygnus dot com
- Subject: Re: Questions about i386 redundant test and comparison removal
- From: john at feith dot com (John Wehle)
- Date: Fri, 5 Jun 1998 19:49:55 -0400
- cc: egcs at cygnus dot com
> What does SET_DEST (exp) have to do with setting cc0?
Okay, I think I've figured out part of the answer. Recording
SET_DEST (exp) probably allows us to later notice that:
set cc0 = SET_DEST (exp)
is a redundant test.
-- John
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