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Article #8008

Re: What's RIGHT with stack machines

#8008
From: Nick Janow
Date: Fri, 13 Nov 1992 08:08
17 lines
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chased@rbbb.Eng.Sun.COM (David Chase) writes:

> It's also not clear to me that the stack machine will come with a simpler
> pipeline.  Branches will probably be just as bad there, ...

There's some research being done into stack processors with no conditional
branch instructions.  Instead, there will be conditional calls (and maybe
conditional returns?).  These operations can be fast (one or zero clock
cycles?) on a stack machine.

I'm not sure if replacing branches with calls would reduce the problem of
conditional anything, as far as pipelining is concerned, but I suppose it has
possibilities.

--

Nick_Janow@mindlink.bc.ca
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Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!agate!rsoft!mindlink!a684
From: Nick_Janow@mindlink.bc.ca (Nick Janow)
Subject: Re: What's RIGHT with stack machines
Organization: MIND LINK! - British Columbia, Canada
Date: Fri, 13 Nov 1992 08:08:09 GMT
Message-ID: <17433@mindlink.bc.ca>
Sender: news@deep.rsoft.bc.ca (Usenet)
Lines: 17