cfg_select! {
all(target_arch = "aarch64", target_feature = "neon") => {
mod aarch64;
pub(super) use aarch64::group_masks;
}
all(target_arch = "x86_64", target_feature = "sse2") => {
mod x86;
pub(super) use x86::group_masks;
}
_ => {
mod scalar;
pub(super) use scalar::group_masks;
}
}