https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89502
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to H.J. Lu from comment #5) > I think we should avoid %fs:(%edx) address. Is that possible to generate It is what middle-end expands to, so nothing much that we can do here.