------- Comment #12 from rguenth at gcc dot gnu dot org 2009-07-16 09:06 ------- Actually the middle-end presents the vectorizer with a call to a complex function and REAL/IMAGPART exprs. I don't remember exactly which part confuses it, but certainly the mixed complex / real types do.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40766
