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Re: order of evaluation

From: Ludovic Courtès
Subject: Re: order of evaluation
Date: Sun, 23 Jun 2013 15:46:02 +0200
User-agent: Gnus/5.130007 (Ma Gnus v0.7) Emacs/24.3 (gnu/linux)

Andy Wingo <address@hidden> skribis:

> Not sure what to do.  The part of me that wants to do aggressive CSE
> wants to transform to a form that fixes order of evaluation, but the
> part of me that wants to be able to shuffle values using the Dybvig
> algorithm wants to do the direct form.  Dunno!

I don’t know either ;-), but I think the guideline should be to give as
much freedom as possible to the compiler.

Leaving the evaluation order unspecified is one way to do it; fixing it
internally it not contradictory with that, as long as it remains
Officially Unspecified.

My €2e-3.


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