[Bug tree-optimization/64745] Generic vectorization missed opportunities

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64745

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 34545
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34545&action=edit
patch for the alingment issue