http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52686
Ulrich Weigand <uweigand at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2012-03-23 Ever Confirmed|0 |1 --- Comment #1 from Ulrich Weigand <uweigand at gcc dot gnu.org> 2012-03-23 15:38:43 UTC --- It seems the root cause of all the memory problems is that vect_get_smallest_scalar_type neglects to handle WIDEN_LSHIFT_EXPR, which causes the SLP pass to mis-compute the number of statements needed to vectorize the expression.