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Article #22468Re: 64-bit code addresses
From: Amos Shapir
Date: Wed, 14 Feb 1990 00:55
Date: Wed, 14 Feb 1990 00:55
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In article <1926@l.cc.purdue.edu> cik@l.cc.purdue.edu (Herman Rubin) writes: > >It is frequently the case that very long loops can be unrolled. One has to be careful not to unroll too much, since that can lead to unnecessary paging. >Thus, code written by a human can easily translate >into 2^20 or more instructions. This is exactly my point: We have barely scratched the surface of 32-bit instruction space; 64-bit (or even 48) would probably never be needed (certainly not within the same time frame of 64-bit data space, anyway). -- Amos Shapir National Semiconductor, 2900 semiconductor Dr. Santa Clara, CA 95052-8090 Mailstop E-280 amos@nsc.nsc.com or amos@taux01.nsc.com
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!snorkelwacker!apple!voder!nsc!amos From: amos@nsc.nsc.com (Amos Shapir) Newsgroups: comp.arch Subject: Re: 64-bit code addresses Message-ID: <13595@nsc.nsc.com> Date: 14 Feb 90 00:55:35 GMT References: <1926@l.cc.purdue.edu> Organization: National Semiconductor, Santa Clara Lines: 19 X-Hdate: 18 Shvat 5750