Article View: comp.arch
Article #12581Re: 64-bit chips, 32-bit compatibility?
From: Opher Kahn
Date: Wed, 27 Sep 1995 14:59
Date: Wed, 27 Sep 1995 14:59
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1586 bytes
In article <jgkDFG9HJ.49x@netcom.com> Joe Keane <jgk@netcom.com> writes:
>This is an architecture and a language issue.
>
>The Alpha people often point out that Alpha is a `pure' 64-bit architecture,
>instead of a 32-bit architecture extended to 64-bit, like say SPARC and MIPS.
>This sounds to me like a good story; certainly if i got to design a brand new
>architecture for the next 30 years, i'd make it clear that it's really 64-bit,
^^^^^^^^^^^^^^^^^^^^^^
Well, I would be careful about such statements. It was MUCH LESS than 30
years ago that people thought that 16 bits was a lot and 32 bits was more than
we would need this century.
>although it would also have good support for smaller and larger data types.
--
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| Opher D. Kahn kahn@dg-rtp.dg.com |
| Unix Software Development 919-248-6133 |
| Data General Corp., RTP NC |
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Path: arc1-ca.pugleaf.net!dg-rtp.dg.com!romulus!kahn From: kahn@romulus.rtp.dg.com (Opher Kahn) Newsgroups: comp.arch,comp.lang.c Subject: Re: 64-bit chips, 32-bit compatibility? Date: 27 Sep 1995 14:59:36 GMT Organization: Data General Corporation, Research Triangle Park, NC Message-ID: <44boso$ies@dg-rtp.dg.com> References: <43srit$94b@hermes.synopsys.com> <43tada$8i6@rbdc.rbdc.com> <jgkDFG9HJ.49x@netcom.com> NNTP-Posting-Host: romulus-alt.rtp.dg.com Keywords: word