Function vcntq_s8 

pub fn vcntq_s8(a: int8x16_t) -> int8x16_t

🔬This is a nightly-only experimental API. (stdarch_arm_neon_intrinsics #111800)

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

Population count per byte. Arm’s documentation