re PR target/14063 (conditional around vec_dss() call disappears at -O2)

2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>

        PR target/14063
        * config/rs6000/altivec.md (altivec_dssall):
        Change to unspec_volatile.
        (altivec_dss): Likewise.

From-SVN: r81694