[Bug target/123607] incorrect masked store vmovsh instruction emitted

[mkretz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123607

--- Comment #4 from Matthias Kretz (Vir) <mkretz at gcc dot gnu.org> ---
same test case: https://compiler-explorer.com/z/G1Es3hKTa