[Bug rtl-optimization/84753] GCC does not fold xxswapd followed by vperm

[noloader at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84753

--- Comment #2 from Jeffrey Walton <noloader at gmail dot com> ---
(In reply to Bill Schmidt from comment #1)
> GCC 4.8.5 is out of service.  This is fixed in all in-service versions of
> GCC (6.4 and later).

Interesting. I'm seeing it in GCC 7.2.0. Are you certain of this?