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Re: [PATCH] Fix PR18754: add early loop pass, 2nd try
Richard Guenther <firstname.lastname@example.org> wrote:
>> For instance, if it is a little too expensive we could activate it
>> only at -O3, but I can't see numbers (again) supporting this patch.
> The main reason for not enabling this by default is that it may
> interact badly with vectorization according to Dorit.
This is actually not a concern since -ftree-vectorize is disabled by default.
Anyhow, I guess this is a bug in the vectorizer. If this really really comes
into Dorit's way badly, you can always make -ftree-vectorize disable it, but it
really should not be needed.
> I'll get you numbers for
> PR8361 and POOMA once a disable-checking bootstrap completed