=> 0x7f09ad248b8b:	rep movsq %ds:(%rsi),%es:(%rdi)
   0x7f09ad248b8e:	xchg   %ax,%ax
   0x7f09ad248b90:	sub    %r11,%rdx
   0x7f09ad248b93:	test   $0xfffffffffffffff8,%rdx
   0x7f09ad248b9a:	jne    0x7f09ad248bb0
   0x7f09ad248b9c:	and    $0x7,%edx
   0x7f09ad248b9f:	mov    -0x8(%rsp),%rax
   0x7f09ad248ba4:	jne    0x7f09ad248a39
   0x7f09ad248baa:	repz retq 
   0x7f09ad248bac:	nopl   0x0(%rax)
   0x7f09ad248bb0:	mov    0x3135d9(%rip),%r8        # 0x7f09ad55c190
   0x7f09ad248bb7:	cmp    %rdx,%r8
   0x7f09ad248bba:	cmova  %rdx,%r8
   0x7f09ad248bbe:	mov    %r8,%rcx
   0x7f09ad248bc1:	and    $0xffffffffffffffc0,%r8
   0x7f09ad248bc5:	shr    $0x6,%rcx