http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54803
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Manual constant unfolding |Rotates are not vectorized
|breaks vectorization |
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-10-04
00:14:52 UTC ---
D.1826_10 = D.1825_9 r<< 32;
So the rotate by 32 is not being vectorizered into two shift followed by an or.
