[Bug tree-optimization/84037] [8 Regression] Speed regression of polyhedron benchmark since r256644

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84037

--- Comment #20 from Richard Biener <rguenth at gcc dot gnu.org> ---
Note that targets already have the opportunity to limit vectorization by
adjusting their finish_cost hook - here they even have more useful information
available
(kind of).