https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102494
--- Comment #4 from Hongtao.liu <crazylht at gmail dot com> --- > > But for the case in PR, it's v8qi -> 2 v4hi, and no vector reduction for > v4hi. We need add (define_expand "reduc_plus_scal_v4hi" just like (define_expand "reduc_plus_scal_v8qi" in mmx.md.
