.global sum
sum:
	// Can we return 2 and a half?
//	movsd two_and_a_half(%rip), %xmm0
//	mov $2, %rax
//	cvtsi2sd %rax, %xmm0
	
// Parameter in %rdi
	// Count will be in %xmm1
	mov $0, %rax
	cvtsi2sd %rax, %xmm0
	cvtsi2sd %rax, %xmm2
	
top:
	movsd (%rdi), %xmm1
	add $8, %rdi	
	add %xmm1, %xmm0
	comisd %xmm2, %xmm1
	jne top
	ret

two_and_a_half:
	.double 2.5