https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70155
--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to H.J. Lu from comment #3) > We can extend STV pass to 64-bit mode to convert load and store of > 128-bit ntegers to 128-bit SSE load and store, which is implemented > on hjl/pr70155/master branch. > > As a follow-on optimization, we can add TImode bitwise patterns to > use SSE for TImode bitwise operation. IMO, this is a good idea, and the infrastructure is already in place.