https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118544
--- Comment #7 from Tibor Győri <tiborgyri at gmail dot com> --- (In reply to Richard Biener from comment #5) > I suppose cunroll should report the loop was fully peeled. > > Note the unroll amount might be confusig when for example loop header copying > causes the number of latch executions to decrease by one before we get to > unroll. Yes, I think adding reports to some currently silent passes would help a lot.