Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!samsung!uunet!fernwood!portal!cup.portal.com!mslater
From: mslater@cup.portal.com (Michael Z Slater)
Newsgroups: comp.arch
Subject: Re: 64 Bit addressing on R4000?
Message-ID: <43681@cup.portal.com>
Date: 26 Jun 91 04:02:46 GMT
References: <8083@uklirb.informatik.uni-kl.de>
Organization: The Portal System (TM)
Lines: 11

>Now today I got a data sheet of the R4000 from IDT, and it does not only
>say anything about this, it also shows a block diagram with a 32 * 32 bit
>register set. So: will the R4000 really have 64 bit addresses and how
>can they be generated with 32 bit registers ?

It seems that MIPS has been keeping a tight lid on the 64-bit details, and
the initial product details will describe only the 32-bit subset of the chip.
This is going to create lots of confusion, especially since MIPS has hyped
the value of the 64-bit architecture.

Michael Slater, Microprocessor Report  mslater@cup.portal.com