Reduction and induction that involve multiplication, i.e., for i prod *= CST
or for i prod *= a[i] are currently not supported by the vectorizer. -- Summary: Reduction and induction with multiplication are not vectorized Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: irar at il dot ibm dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35226