Function vtst_u16 

pub fn vtst_u16(a: uint16x4_t, b: uint16x4_t) -> uint16x4_t

Available on target feature neon and (AArch64 or ARM or ARM64EC) and (AArch64 or ARM64EC) and (AArch64 or ARM64EC or target feature v7) only.

Unsigned compare bitwise Test bits nonzero Arm’s documentation