https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104686
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |crazylht at gmail dot com
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #7)
> (In reply to Richard Biener from comment #6)
> > Both revisions affect vectorizer cost modeling only. With
> > -fno-vect-cost-model it compiles faster for me but still a slow 30s and 91%
> > in RA.
>
> There are numbers with -fno-vect-cost-model:
>
> Bisecting latest revisions
> a9e2ebe839d56416(24 Feb 2022 22:16)(ol...@adacore.com): [took: 36.06 s]
> result: OK
> 250f234988b62316(20 Apr 2021 09:51)(stefa...@linux.ibm.com): [took: 18.35
> s] result: OK
>
> I'm going to find out where the change happensed.
Which started with r12-2463-ga6291d88d5b6c17d.
