=> 0x7f5a92dc85b6:	movlpd (%rdi),%xmm1
   0x7f5a92dc85ba:	movlpd (%rsi),%xmm2
   0x7f5a92dc85be:	movhpd 0x8(%rdi),%xmm1
   0x7f5a92dc85c3:	movhpd 0x8(%rsi),%xmm2
   0x7f5a92dc85c8:	pxor   %xmm0,%xmm0
   0x7f5a92dc85cc:	pcmpeqb %xmm1,%xmm0
   0x7f5a92dc85d0:	pcmpeqb %xmm2,%xmm1
   0x7f5a92dc85d4:	psubb  %xmm0,%xmm1
   0x7f5a92dc85d8:	pmovmskb %xmm1,%edx
   0x7f5a92dc85dc:	sub    $0xffff,%edx
   0x7f5a92dc85e2:	jne    0x7f5a92dc97d0
   0x7f5a92dc85e8:	add    $0x10,%rsi
   0x7f5a92dc85ec:	add    $0x10,%rdi
   0x7f5a92dc85f0:	and    $0xfffffffffffffff0,%rsi
   0x7f5a92dc85f4:	and    $0xfffffffffffffff0,%rdi
   0x7f5a92dc85f8:	mov    $0xffff,%edx