https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90364
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Martin Liška from comment #3) > 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. optimize_loop_nest_for_speed_p returning false? Does the train profile match the ref profile or is there a clear mismatch so we guess a ref hot loop as cold?
