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From: ludo@gnu.org (Ludovic Courtès)
To: guile-devel@gnu.org
Subject: Re: order of evaluation
Date: Sun, 23 Jun 2013 15:46:02 +0200	[thread overview]
Message-ID: <87k3llaqjp.fsf@gnu.org> (raw)
In-Reply-To: 87li6959oz.fsf@pobox.com

Andy Wingo <wingo@pobox.com> 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.

Ludo’.




  parent reply	other threads:[~2013-06-23 13:46 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-17 10:10 order of evaluation Andy Wingo
2013-06-17 13:49 ` Noah Lavine
2013-06-17 20:14   ` Andy Wingo
2013-06-18  0:39     ` Noah Lavine
2013-06-18  1:06     ` William ML Leslie
2013-06-23 13:46 ` Ludovic Courtès [this message]
2013-07-03 18:57 ` order of evaluation, letrec-values, and define-values Mark H Weaver

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