On Mon, 6 Sep 2021, liuhongt via Gcc-patches wrote: > Hi: > As discussed in [1], most of (currently unopposed) targets want > auto-vectorization at O2, and IMHO now would be a good time to enable O2 > vectorization for GCC trunk, so it would leave enough time to expose > related issues and fix them. > > Bootstrapped and regtested on x86_64-linux-gnu{-m32,} > Ok for trunk?
This needs updates to the documentation of -O2 and -ftree-vectorize in invoke.texi. -- Joseph S. Myers jos...@codesourcery.com