[Bug target/84033] powerpc64le -moptimize-swaps bad code with vec_vbpermq

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84033

Bill Schmidt <wschmidt at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |wschmidt at gcc dot gnu.org

--- Comment #2 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Thanks for chasing this down, Alan!  The fix looks good to me.