PS: add supoprt for xor instruction
PS: add supoprt for xor instruction

make it unknown, there's nothing better we can do

Signed-off-by: Marek Chalupa <a05df156a69ad59faa9af9b666ef78009594c145@gmail.com>

mchalupa/dg,mchalupa/dg,mchalupa/dg,mchalupa/dg