Big testing update

tests/sprint4/expected/sp4_cg_sub.expected

@@ -0,0 +1,11 @@
+	movl	$1, -4(%rbp)	#constant assign
+	movl	-4(%rbp), %eax	#assign start
+	movl	%eax, -8(%rbp)	#assign end
+	movl	$3, -12(%rbp)	#constant assign
+	movl	-12(%rbp), %eax	#assign start
+	movl	%eax, -16(%rbp)	#assign end
+	movl	-16(%rbp), %eax	#subtraction start
+	subl	-8(%rbp), %eax
+	movl	%eax, -20(%rbp)	#subtraction end
+	movl	-20(%rbp), %eax	#assign start
+	movl	%eax, -8(%rbp)	#assign end