Function splat

cranelift/interpreter/src/step.rs:1618–1624

(ty: Type, val: DataValue)

}

fn splat(ty: Type, val: DataValue) -> ValueResult<DataValue> {
    let mut new_vector = SimdVec::new();
    for _ in 0..ty.lane_count() {
        new_vector.push(val.clone());
    }
    vectorizelanes(&new_vector, ty)
}

// Prepares the shift amount for a shift/rotate operation.
// The shift amount must be the same type and have the same number of lanes as the vector.