i#1551 Port DynamoRIO to ARM: fixed minor encoding/decoding bugs - add disp alignment check for encoding operand TYPE_M_POS_I5x4 - replace != with == for TYPE_M_SP_POS_I8x4 encoding check - add missing disp postive check for TYPE_M_*_POS_I* encoding
i#1551 Port DynamoRIO to ARM: fixed minor encoding/decoding bugs
- add disp alignment check for encoding operand TYPE_M_POS_I5x4
- replace != with == for TYPE_M_SP_POS_I8x4 encoding check
- add missing disp postive check for TYPE_M_*_POS_I* encoding

Review-URL: https://codereview.appspot.com/208350043

daksunt/dynamorio,AmesianX/dynamorio,code4bones/dynamorio,sigma-random/dynamorio,code4bones/dynamorio,sigma-random/dynamorio,code4bones/dynamorio,bl4ckic3/dynamorio,bl4ckic3/dynamorio,daksunt/dynamorio,code4bones/dynamorio,sigma-random/dynamorio,daksunt/dynamorio,bl4ckic3/dynamorio,sigma-random/dynamorio,sigma-random/dynamorio,bl4ckic3/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,daksunt/dynamorio,code4bones/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio