=> 0x846bb3 <strrchr+163>:	mov    (%esi),%edx
   0x846bb5 <strrchr+165>:	mov    $0xfefefeff,%edi
   0x846bba <strrchr+170>:	add    %edx,%edi
   0x846bbc <strrchr+172>:	jae    0x846c9c <strrchr+396>
   0x846bc2 <strrchr+178>:	xor    %edx,%edi
   0x846bc4 <strrchr+180>:	or     $0xfefefeff,%edi
   0x846bca <strrchr+186>:	inc    %edi
   0x846bcb <strrchr+187>:	jne    0x846c9c <strrchr+396>
   0x846bd1 <strrchr+193>:	xor    %ecx,%edx
   0x846bd3 <strrchr+195>:	mov    $0xfefefeff,%edi
   0x846bd8 <strrchr+200>:	add    %edx,%edi
   0x846bda <strrchr+202>:	jae    0x846b7a <strrchr+106>
   0x846bdc <strrchr+204>:	xor    %edx,%edi
   0x846bde <strrchr+206>:	or     $0xfefefeff,%edi
   0x846be4 <strrchr+212>:	inc    %edi
   0x846be5 <strrchr+213>:	jne    0x846b90 <strrchr+128>