[Bug testsuite/120846] vect_dotprod_hisi is used inconsistently with documentation and name in Test of autovectorization of different dot-prod modes

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120846

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
vect_unpack would be required to perform qi->hi promotion.