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Article #11021

Re: Registerless processor

#11021
From: Othman Ahmad
Date: Tue, 17 Nov 1992 04:29
27 lines
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Darren R. Davis (drdavis@u.cc.utah.edu) wrote:
: I have been pondering an idea for a machine architecture.  A processor
: that has no registers.  I am familiar with some architectures that have
: done this.  My twist on this theme is to have a very large cache on chip
: for memory locations (effectivelly becoming registers).  This goes
: against the RISC idea of having very large register sets with load store
: instructions.  This machine would just reference memory, and the most
: common addresses becoming cached internally to the processor giving very
: fast access.  Does anyone know of such a machine, and what are your
: thoughts on this kind of architecture.  I envision the cache being

I have been thinking about this for some time now.
First, you have broken the law as stated by H&P book.
The major problem that you have to face is the large number of address bits,
required to access your data. 32-bit per operand is rather large.

To solve this you have 2 choices:

i) stacks,
ii) data compression,


--
Othman bin Ahmad, School of EEE,
Nanyang Technological University, Singapore 2263.
Internet Email: eoahmad@ntuix.ntu.ac.sg
Bitnet Email: eoahmad@ntuvax.bitnet
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From: eoahmad@ntuix.ntu.ac.sg (Othman Ahmad)
Subject: Re: Registerless processor
Message-ID: <1992Nov17.042935.1962@ntuix.ntu.ac.sg>
Organization: Nanyang Technological University - Singapore
X-Newsreader: TIN [version 1.1 PL6]
References: <1992Nov13.181654.11692@fcom.cc.utah.edu>
Date: Tue, 17 Nov 1992 04:29:35 GMT
Lines: 28