.globl _fib
_fib:
	pushl	%ebp
	movl	%esp, %ebp
	subl	$24, %esp
	cmpl	$0, 8(%ebp)
	jg	recurse
	movl	$1, %eax
	jmp	done
recurse:
	movl	8(%ebp), %eax
	movl	%eax, (%esp)
	subl	$1, (%esp)
	call	_fib
	movl	%eax, -4(%ebp)
	movl	8(%ebp), %eax
	movl	%eax, (%esp)
	subl	$2, (%esp)
	call	_fib
	addl 	-4(%ebp), %eax
	movl	%eax, -12(%ebp)
done:	
	leave
	ret