[Bug target/111023] missing extendv4siv4hi (and friends)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111023

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Huh, that escaped me.  I'll have to go back and compare where it derails
compared to aarch64 with neon.