[Bug target/102543] -march=cascadelake performs odd alignment peeling

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102543

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
In the end only benchmarking will tell what is best to do (adjust the aligned
cost or revert the unaligned cost).