Path: utzoo!attcan!uunet!mcvax!enea!tut!pl
From: pl@tut.fi (Pertti Lehtinen)
Newsgroups: comp.arch
Subject: Re: Superoptimiser.
Message-ID: <4014@korppi.tut.fi>
Date: 4 Jul 88 14:46:06 GMT
References: <834@garth.UUCP>
Organization: Tampere University of Technology, Finland
Lines: 18

From article <834@garth.UUCP>, by smryan@garth.UUCP (Steven Ryan):
> 
> Branches tend to be deadly to fast machines. Delay slots or no, it can still
> give the cache/instruction stack indigestion.
> 
> By the way, as we continue forward into the past, the Cyber 170 macros are
> filled with handcoded sequences to avoid branches.
>
	When avoiding branches, interesting technique is adopted in
	ARM-processor (Acorn Risc Machine).  All instructions are
	conditional, which makes it possible to avoid short branches
	very easily.


-- 
pl@tut.fi			! All opinions expressed above
Pertti Lehtinen			! are preliminary and in subject
N 61 26' E 23 50'		! to change without any further notice.