On 10/13/2011 11:36 AM, David Edelsohn wrote: > Are there testcases in the GCC testsuite that exercise these patterns? I thought the vectorizer would use them. E.g. gcc.dg/vect/vect-shift-3.c. I see that I should have added ppc to check_effective_target_vect_shift_scalar, though, to enable even more testing. r~