Re: variable length instructions, Chicken or the Egg?

"Joachim Durchholz" <joachim_d@gmx.de>
12 Oct 2000 22:01:55 -0400

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Related articles
Re: Chicken or the Egg? michael@moria.de (2000-10-10)
Re: variable length instructions, Chicken or the Egg? joachim_d@gmx.de (Joachim Durchholz) (2000-10-12)
Re: variable length instructions, Chicken or the Egg? rhyde@cs.ucr.edu (Randall Hyde) (2000-10-15)
Re: variable length instructions, Chicken or the Egg? anton@mips.complang.tuwien.ac.at (2000-10-18)
Re: variable length instructions, Chicken or the Egg? walter@bytecraft.com (Walter Banks) (2000-10-19)
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From: "Joachim Durchholz" <joachim_d@gmx.de>
Newsgroups: comp.compilers
Date: 12 Oct 2000 22:01:55 -0400
Organization: Compilers Central
References: 00-10-073
Keywords: linker

John wrote:
> [... I always preferred
> the other approach, start with everything long, then shorten until
> there's nothing left to shorten, which has the advantage of being
> fail-safe, all of the intermediate stages being valid code. -John]


Why?


I'd think that the only validity constraint on the intermediate forms is
that they are suitable for the next round of lengthening.


Regards,
Joachim
[I suppse, but I like a scheme that produces valid code even if it
doesn't get quite to optimal. -John]





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