Q: Efficient portable pseudo-codes

timc@cs.su.oz.au (Tim Brabin Cooper)
Fri, 21 Apr 1995 16:05:50 GMT

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Q: Efficient portable pseudo-codes timc@cs.su.oz.au (1995-04-21)
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Newsgroups: comp.compilers
From: timc@cs.su.oz.au (Tim Brabin Cooper)
Keywords: interpreter, question, comment
Organization: Compilers Central
Date: Fri, 21 Apr 1995 16:05:50 GMT

If you compile some high-level code down to pseudo-code, which
you then interpret, it'll be considerably slower than compiling
to straight native code. However, by choosing a good pseudo-code
instruction set, you can try to minimise this slow-down factor.
For example, you could create a single instruction for a common
idiom of instructions.


Has anyone done this, i.e. construct a pseudo-code instruction
set that can be interpreted very efficiently?
[Sure. Look at Smalltalk80, and at microcodable machines like the Burroughs
B1700. -John]
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