[Bug tree-optimization/98544] [11 regression] Wrong code generated by tree vectorizer since r11-3917-g28290cb50c7dbf87
marxin at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Jan 7 14:26:37 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98544
--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> (In reply to Martin Liška from comment #3)
> > For g++ bug2.cc -std=c++17 -O1 -mavx -ftree-loop-vectorize, it started with
> > r11-3917-g28290cb50c7dbf87.
>
> Are you sure about this bisection?
Yes, it's correct. I've just verified that.
> Reverting this doesn't fix the issue
> (reversion isn't quite easy since split_constant_offset has undergone quite
> some refactoring meanwhile).
I'm gonna bisect until when the reversion worked on the trunk.
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