.text
	.globl	swap
swap:
	pushl	%ebp
        movl	%esp, %ebp
	pushl	%ebx

	movl	12(%ebp), %edx
	movl	16(%ebp), %eax
	movl	(%edx), %ecx
	movl	(%eax), %ebx
	movl	%ebx, (%edx)
	movl	%ecx, (%eax)

	popl	%ebx
        leave
	ret