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Article #10386Re: Bitfield instructions--a good idea?
From: peter da silva
Date: Mon, 22 Apr 1991 13:50
Date: Mon, 22 Apr 1991 13:50
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In article <SPOT.91Apr18123711@WOOZLE.GRAPHICS.CS.CMU.EDU>, spot@CS.CMU.EDU (Scott Draves) writes: > when it does happen, you can use look up tables. to do your 1 -> 2 > bits per pixel example, i would use a table of 256 entries, 16 bits > each. Wouldn't this tend to be a cache-basher? Particularly a problem when you're already bashing the cache with the bitmap anyway? -- Peter da Silva. `-_-' peter@ferranti.com +1 713 274 5180. 'U` "Have you hugged your wolf today?"
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Newsgroups: comp.arch Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!uupsi!ficc!peter From: peter@ficc.ferranti.com (peter da silva) Subject: Re: Bitfield instructions--a good idea? Message-ID: <PUWA8R4@xds13.ferranti.com> Organization: Ferranti International Controls Corporation References: <1991Apr15.193425.3436@waikato.ac.nz> <SPOT.91Apr18123711@WOOZLE.GRAPHICS.CS.CMU.EDU> Date: Mon, 22 Apr 91 13:50:29 GMT