[Bug tree-optimization/92645] Hand written vector code is 450 times slower when compiled with GCC compared to Clang

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92645

--- Comment #19 from Richard Biener <rguenth at gcc dot gnu.org> ---
So after the PR92706 fix there's still a lot left on the table.