=> 0x7fdafca9c17a:	movlpd (%rsi),%xmm2
   0x7fdafca9c17e:	movhpd 0x8(%rdi),%xmm1
   0x7fdafca9c183:	movhpd 0x8(%rsi),%xmm2
   0x7fdafca9c188:	pxor   %xmm0,%xmm0
   0x7fdafca9c18c:	pcmpeqb %xmm1,%xmm0
   0x7fdafca9c190:	pcmpeqb %xmm2,%xmm1
   0x7fdafca9c194:	psubb  %xmm0,%xmm1
   0x7fdafca9c198:	pmovmskb %xmm1,%edx
   0x7fdafca9c19c:	sub    $0xffff,%edx
   0x7fdafca9c1a2:	jne    0x7fdafca9d390
   0x7fdafca9c1a8:	add    $0x10,%rsi
   0x7fdafca9c1ac:	add    $0x10,%rdi
   0x7fdafca9c1b0:	and    $0xfffffffffffffff0,%rsi
   0x7fdafca9c1b4:	and    $0xfffffffffffffff0,%rdi
   0x7fdafca9c1b8:	mov    $0xffff,%edx
   0x7fdafca9c1bd:	xor    %r8d,%r8d