Date:	Mon, 10 May 1999 19:21:05 +0200
From:	Felix von Leitner <leitner AT vim DOT org>
To:	pgcc AT delorie DOT com
Subject:	Re: Optimization question
Message-ID:	<19990510192104.C27542@vim.org>
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Thus spake Eugene Leitl (eugene DOT leitl AT lrz DOT uni-muenchen DOT de):
>  > good compilers should optimize such expressions by itself, the method is
>  > called "common subexpression optimization".
> Historically, this has never worked very well.

Huh?
What makes you claim that?
It works quite good in commercial compilers for >10 years now, what is
your problem with it.  gcc uses it successfully, too.

Felix

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