Function vbslq_p16 

pub fn vbslq_p16(a: uint16x8_t, b: poly16x8_t, c: poly16x8_t) -> poly16x8_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.

Bitwise Select. Arm’s documentation