From: Eugene Leitl <eugene DOT leitl AT lrz DOT uni-muenchen DOT de>
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Date: Mon, 10 May 1999 10:14:14 -0700 (PDT)
To: pgcc AT delorie DOT com
Subject: Re: Optimization question
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Bernd Melchers writes:

 > good compilers should optimize such expressions by itself, the method is
 > called "common subexpression optimization".

Historically, this has never worked very well. Also, I'm wary of
software which attempts to act intelligently but isn't.

Eugene