=> 0x7fed9d3f9711:	movdqu (%rdi),%xmm1
   0x7fed9d3f9715:	pcmpeqb %xmm1,%xmm0
   0x7fed9d3f9719:	pmovmskb %xmm0,%edx
   0x7fed9d3f971d:	test   %edx,%edx
   0x7fed9d3f971f:	jne    0x7fed9d3f9973
   0x7fed9d3f9725:	mov    %rdi,%rax
   0x7fed9d3f9728:	and    $0xfffffffffffffff0,%rax
   0x7fed9d3f972c:	jmp    0x7fed9d3f9752
   0x7fed9d3f972e:	mov    %rdi,%rax
   0x7fed9d3f9731:	and    $0xfffffffffffffff0,%rax
   0x7fed9d3f9735:	pcmpeqb (%rax),%xmm0
   0x7fed9d3f9739:	mov    $0xffffffff,%r10d
   0x7fed9d3f973f:	sub    %rax,%rcx
   0x7fed9d3f9742:	shl    %cl,%r10d
   0x7fed9d3f9745:	pmovmskb %xmm0,%edx
   0x7fed9d3f9749:	and    %r10d,%edx