http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52941
--- Comment #3 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2012-04-13 03:29:25 UTC --- (In reply to comment #2) > One more thing regarding movco/movli ... do you think it's OK to use them also > to do atomics on types < SImode? As far as I can see it should be safe to do > e.g. read SImode, modify QImode subreg, write-back SImode. Yes, it'll make false-positive cases but would be safe.
