lk:
movl %edi , %r9d
jmp .L8
L8:
movzbl %sil , %eax
movzbl %dl , %ecx
leal -1(%rcx) , %r8d
cmpl %r8d, %eax
jl .L4 //if (%eax <%r8d) goto .L4
cltq // extend %eax int %rax
movl %esi, %eax
cmovle %edx, %eax // if (ecran(%rax)<=%dil) %eax=%edx
ret
main:
...
movzbl %bl,%eax
movsbl clavier(%rax), %ebp
movsbl le(%rip),%edx
movl $0, %esi
movl %ebl, %edi
call lk
movzbl %al, %esi
...
ret
什么%edi和%sil和%dl代表在功能lk和他们有什么类型？