Newsgroups: comp.arch
Path: 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

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?"
