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Re: Simple optimizations missing
- To: Frank Klemm <pfk at fuchs dot offl dot uni-jena dot de>
- Subject: Re: Simple optimizations missing
- From: Graham Stott <grahams at redhat dot com>
- Date: Sun, 09 Sep 2001 20:38:47 +0100
- Cc: Jan Hubicka <jh at suse dot cz>, gcc at gcc dot gnu dot org
- References: <20010901202854.A7713@fuchs.offl.uni-jena.de> <20010902000000.C27182@atrey.karlin.mff.cuni.cz> <20010902024104.F7713@fuchs.offl.uni-jena.de> <20010903154513.C13574@atrey.karlin.mff.cuni.cz> <20010904003127.C335@fuchs.offl.uni-jena.de> <20010905133458.D15564@atrey.karlin.mff.cuni.cz> <20010905185526.A559@fuchs.offl.uni-jena.de> <20010906174007.B1486@atrey.karlin.mff.cuni.cz> <20010906222524.A2578@fuchs.offl.uni-jena.de> <20010907111641.G9651@atrey.karlin.mff.cuni.cz> <20010909153648.A2375@fuchs.offl.uni-jena.de>
Frank Klemm wrote:
>
> Expression optimizations:
>
> x / x = 1
> x % x = 0
>
> Trivial.
Only if you can deduce that x != 0
> --
> Frank Klemm
Graham