.text .globl maxofthree .globl add3 maxofthree: mov %ecx, %eax # result (rax) initially holds x cmp %edx, %eax # is x less than y? cmovl %edx, %eax # if so, set result to y cmp %r8d, %eax # is max(x,y) less than z? cmovl %r8d, %eax # if so, set result to z ret # the max will be in rax add3: mov %ecx, %eax add %edx, %eax add %r8d, %eax ret