section .text
	global ft_strcmp

ft_strcmp:
	xor rax, rax

	test rdi, rdi ; test if args are false
	je err
	test rsi, rsi
	je err
loop_start:
	mov al, [rdi]
	cmp al, [rsi]
	jne compare 

	test al, al ; test if rdi is \0
	je compare

	mov al, [rsi] ; test if rsi is \0
	test al, al
	je compare 

	lea rsi, [rsi + 1]
	lea rdi, [rdi + 1]
	jmp loop_start


compare:
	mov al, [rdi]
	cmp al, [rsi]
	jl lower
	jg greater
	mov eax, 0
	jmp end

lower:
	mov eax, -1
	jmp end

greater:
	mov eax, 1
	jmp end

err:
	mov eax, 0

end:
	ret