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From: gbyrd@mcnc.org (Gregory T. Byrd)
Newsgroups: comp.arch
Subject: Re: cache pre-load/no-load instructions
Message-ID: <7786@alvin.mcnc.org>
Date: 22 Mar 91 17:35:19 GMT
References: <JONATHAN.91Mar17034438@speedy.cs.pitt.edu> <765@ajpo.sei.cmu.edu>
Reply-To: gbyrd@mcnc.org.UUCP (Gregory T. Byrd)
Organization: MCNC; RTP, NC
Lines: 20

In article <765@ajpo.sei.cmu.edu> carter%csvax.decnet@mdcgwy.mdc.com writes:
>Both individual loads and pages can be marked as no-allocate (the data 
>comes from the cache if there is a hit, but avoids the cache lockup [and 
>replace] on a miss).  The cache is physically addressed, so we can have
>allocating and non-allocating aliases of important data structures.

Do you mean "virtually addressed," or am I missing something?
If you really mean physically addressed, could you elaborate?

...Greg






-- 
...Greg Byrd             MCNC/Digital Equipment Corp.
   gbyrd@mcnc.org        P.O. Box 12889
   (919)248-1439         Research Triangle Park, NC  27709