=> 0x7f83c03146a1:	movdqu (%rdi),%xmm1
   0x7f83c03146a5:	pcmpeqb %xmm1,%xmm0
   0x7f83c03146a9:	pmovmskb %xmm0,%edx
   0x7f83c03146ad:	test   %edx,%edx
   0x7f83c03146af:	jne    0x7f83c031472b
   0x7f83c03146b1:	mov    %rdi,%rax
   0x7f83c03146b4:	and    $0xfffffffffffffff0,%rax
   0x7f83c03146b8:	jmp    0x7f83c03146d7
   0x7f83c03146ba:	mov    %rdi,%rax
   0x7f83c03146bd:	and    $0xfffffffffffffff0,%rax
   0x7f83c03146c1:	pcmpeqb (%rax),%xmm0
   0x7f83c03146c5:	mov    $0xffffffff,%esi
   0x7f83c03146ca:	sub    %rax,%rcx
   0x7f83c03146cd:	shl    %cl,%esi
   0x7f83c03146cf:	pmovmskb %xmm0,%edx
   0x7f83c03146d3:	and    %esi,%edx