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Re: [tree-ssa] -fgcse and friends useless
- From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- To: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
- Cc: gcc at gcc dot gnu dot org, dberlin at dberlin dot org
- Date: Fri, 6 Feb 2004 19:28:45 +0100
- Subject: Re: [tree-ssa] -fgcse and friends useless
- References: <Pine.LNX.4.53.0402061315420.9162@bellatrix.tat.physik.uni-tuebingen.de>
Hello,
> It seems that the tree-optimizers do all the work that rtl level gcse and
> friends (gcse-lm, gcse-sm, gcse-las) do.
I was not aware we do load & store motion on tree-ssa (or does PRE
handle this?)
Zdenek