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Re: [PATCH] Fix PRE of TARGET_MEM_REF


Richard Guenther wrote:
> This patch fixes PRE/SCCVN handling of TARGET_MEM_REF.  This
> would allow scheduling PRE after loop optimizations (apart from
> some Fortran fallout that in principle looks unrelated).
> 
> Bootstrapped and tested on x86_64-unknown-linux-gnu, once with
> the current pass ordering and once with PRE moved after
> loop optimizations.

Thanks, indeed I had experienced some missed optimizations in the
vectorizer when PRE managed to mess up the pattern it recognizes, so
it's a good idea.

Paolo


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