[Bug tree-optimization/81196] Number of iterations found for p!=q but not for p<q

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81196

--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to amker from comment #4)
> Hmm, the function can only be vectorized with "-march=skylake"?

Er, it also vectorizes without any -march on x86_64 (with shorter vectors).