=> 0x7fbdb60fd956:	movdqu (%rdi),%xmm1
   0x7fbdb60fd95a:	movdqu (%rsi),%xmm2
   0x7fbdb60fd95e:	pxor   %xmm0,%xmm0
   0x7fbdb60fd962:	pcmpeqb %xmm1,%xmm0
   0x7fbdb60fd966:	pcmpeqb %xmm2,%xmm1
   0x7fbdb60fd96a:	psubb  %xmm0,%xmm1
   0x7fbdb60fd96e:	pmovmskb %xmm1,%edx
   0x7fbdb60fd972:	sub    $0xffff,%edx
   0x7fbdb60fd978:	jne    0x7fbdb60fe7b0
   0x7fbdb60fd97e:	add    $0x10,%rsi
   0x7fbdb60fd982:	add    $0x10,%rdi
   0x7fbdb60fd986:	nopw   %cs:0x0(%rax,%rax,1)
   0x7fbdb60fd990:	and    $0xfffffffffffffff0,%rsi
   0x7fbdb60fd994:	and    $0xfffffffffffffff0,%rdi
   0x7fbdb60fd998:	mov    $0xffff,%edx
   0x7fbdb60fd99d:	xor    %r8d,%r8d