Stage 3 complete, (+ - * / binary operators implemented)

test.s

@@ -1,8 +1,111 @@
     .globl main
 main:
-    movl    $1, %eax
-    push %eax
-    movl    $2, %eax
-    pop %ecx
-    imul %ecx, %eax
+    movl	$4, %eax
+    push	%eax
+    movl	$4, %eax
+    neg 	%eax
+    pop 	%ecx
+    addl	%ecx, %eax
+    cmpl	$0, %eax
+    movl	$0, %eax
+    sete	%al
+    push	%eax
+    movl	$6, %eax
+    push	%eax
+    movl	$2, %eax
+    push	%eax
+    movl	$2, %eax
+    pop 	%ecx
+    addl	%ecx, %eax
+    movl	%eax, %ecx
+    pop 	%eax
+    cdq
+    idivl	%ecx
+    push	%eax
+    movl	$4, %eax
+    neg 	%eax
+    pop 	%ecx
+    imul	%ecx, %eax
+    push	%eax
+    movl	$4, %eax
+    not 	%eax
+    pop 	%ecx
+    imul	%ecx, %eax
+    push	%eax
+    movl	$9, %eax
+    movl	%eax, %ecx
+    pop 	%eax
+    cdq
+    idivl	%ecx
+    pop 	%ecx
+    addl	%ecx, %eax
+    push	%eax
+    movl	$4, %eax
+    push	%eax
+    movl	$5, %eax
+    push	%eax
+    movl	$32, %eax
+    push	%eax
+    movl	$2, %eax
+    movl	%eax, %ecx
+    pop 	%eax
+    cdq
+    idivl	%ecx
+    pop 	%ecx
+    imul	%ecx, %eax
+    push	%eax
+    movl	$1, %eax
+    not 	%eax
+    pop 	%ecx
+    addl	%ecx, %eax
+    movl	%eax, %ecx
+    pop 	%eax
+    cdq
+    idivl	%ecx
+    push	%eax
+    movl	$400, %eax
+    push	%eax
+    movl	$90, %eax
+    movl	%eax, %ecx
+    pop 	%eax
+    cdq
+    idivl	%ecx
+    push	%eax
+    movl	$1, %eax
+    pop 	%ecx
+    addl	%ecx, %eax
+    pop 	%ecx
+    subl	%eax, %ecx
+    movl	%ecx, %eax
+    push	%eax
+    movl	$5, %eax
+    push	%eax
+    movl	$4, %eax
+    movl	%eax, %ecx
+    pop 	%eax
+    cdq
+    idivl	%ecx
+    push	%eax
+    movl	$2, %eax
+    push	%eax
+    movl	$3, %eax
+    pop 	%ecx
+    addl	%ecx, %eax
+    pop 	%ecx
+    imul	%ecx, %eax
+    push	%eax
+    movl	$9, %eax
+    neg 	%eax
+    movl	%eax, %ecx
+    pop 	%eax
+    cdq
+    idivl	%ecx
+    not 	%eax
+    neg 	%eax
+    pop 	%ecx
+    subl	%eax, %ecx
+    movl	%ecx, %eax
+    neg 	%eax
+    pop 	%ecx
+    addl	%ecx, %eax
     ret