https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98792
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
We do produce shrn2 but not shrn now:
.L2:
ldp q0, q1, [x0]
add x0, x0, 32
ushr v0.4s, v0.4s, 3
xtn v0.4h, v0.4s
shrn2 v0.8h, v1.4s, 3
str q0, [x1], 16
cmp x0, x2
bne .L2
