https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90364
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- So the problem is that without a profile tree-vectorizer does a vectorization in 1162 functions, while with PGO only 49 functions are vectorized. Can you please Richi take a look? I can provide vectorizer dump files.