CALL p256MulInternal<>(SB) // s2 = y2 * z1藛3 STy(s2) LDx(y1in) CALL p256SubInternal<>(SB) // r = s2 - s1 STx(r) CALL p256SqrInternal<>(SB) // rsqr = r藛2 STy (rsqr) LDx(h) CALL p256SqrInternal<>(SB) // hsqr = h藛2 STy(hsqr) CALL p256MulInternal<>(SB) // hcub = h藛3 STy(hcub) LDx(y1in) CALL p256MulInternal<>(SB) // y1 * h藛3 STy(s2) LDP hsqr(0*8), (x0, x1) LDP hsqr(2*8), (x2, x3) LDP 0*16(a_ptr), (y0, y1) LDP 1*16(a_ptr), (y2, y3) CALL p256MulInternal<>(SB) // u1 * h藛2 STP (y0, y1), h(0*8) STP (y2, y3),...

expression:
</p>

<pre>
var a, b, c = f() + v(), g(), sqr(u()) + v()

func f() int        { return c }
func g() int        { return a }
func sqr(x int) int { return x*x }

// functions u and v are independent of all other variables and functions
</pre>

<p>
The function calls happen in the order
<code>u()</code>, <code>sqr()</code>, <code>v()</code>,