[Bug target/116675] No blend constant permute for V8HImode with just SSE2

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116675

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Same for V16QImode.  It works for V4SImode using

        shufps  $216, %xmm1, %xmm0
        pshufd  $216, %xmm0, %xmm0