[Bug tree-optimization/101434] vector-by-vector left shift expansion for char/short is not optimal

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101434

--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Richard Biener from comment #1)
> Probably low priority if not doable nicely w/o XOP.

-mxop can be substituted with -mavx512bw -mavx512vl for the same effect.