[Bug tree-optimization/117031] increasing VF during SLP vectorization permutes unnecessarily

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117031

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So on the V4HI to V4DF missed vectorization, I filed PR 117032 since GCC does
understand if there is an indirection via V4SI.