Function vaddl_high_s32 

pub fn vaddl_high_s32(a: int32x4_t, b: int32x4_t) -> int64x2_t

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

Signed Add Long (vector, high half). Arm’s documentation