ssa: complex binop

cl/_testrt/complex/in.go

@@ -3,8 +3,18 @@ package main
 type T complex64
 
 func main() {
-	c := 1 + 2i
-	d := T(c)
-	println(c, real(c), imag(c))
-	println(d, real(d), imag(d))
+	a := 1 + 2i
+	b := 3 + 4i
+	c := 0 + 0i
+	println(real(a), imag(a))
+	println(-a)
+	println(a + b)
+	println(a - b)
+	println(a * b)
+	println(a / b)
+	println(a / c)
+	println(c / c)
+	println(a == a, a != a)
+	println(a == b, a != b)
+	println(complex128(T(a)) == a)
 }