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Re: [PATCH 8/9] ifcvt: Handle swap-style idioms differently.


> Looks like a nice optimisation, but could we just test whether the
> destination of a set isn't live on exit from the then block?  I think
> we could do that on the fly during the main noce_convert_multiple_sets
> loop.

I included this locally along with the rest of the remarks. Any comments
on the rest/bulk of the patch (the part trying to compare costs of both
cmovs "types")?

Regards
 Robin


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