(func $fibonacci_nth (param $n i32) (result i32)

    ;;Declare some local registers
    (local $i i32)
    (local $a i32)
    (local $b i32)

    ;;Handle first 2 numbers as special cases
    (if (i32.eq (get_local $n) (i32.const 0))
        (return (i32.const 0))
    )
    (if (i32.eq (get_local $n) (i32.const 1))
        (return (i32.const 1))
    )

    ;;Initialize first two values
    (set_local $i (i32.const 1))
    (set_local $a (i32.const 0))
    (set_local $b (i32.const 1))

    (block
        (loop
            ;;Add two previous numbers and store the result
            local.get $a
            local.get $b
            i32.add
            (set_local $a (get_local $b))
            set_local $b

            ;;Increment counter i by one
            (set_local $i
                (i32.add
                    (get_local $i)
                    (i32.const 1)
                )
            )

            ;;Check if loop is done
            (br_if 1 (i32.ge_u (get_local $i) (get_local $n)))
            (br 0)
        )
    )

    ;;The result is stored in b, so push that to the stack
    get_local $b
)