question: protected static Pair < String , String > rrxRegister ( final long offset , final ITranslationEnvironment environment , final List < ReilInstruction > instructions , final String registerNodeValue ) { final String shifterOperand = environment . getNextVariableString ( ) ; final String shifterCarryOut = environment . getNextVariableString ( ) ; final String tmpVar1 = environment . getNextVariableString ( ) ; final String tmpVar2 = environment . getNextVariableString ( ) ; final String tmpVar3 = environment . getNextVariableString ( ) ; long baseOffset = offset ; instructions . add ( ReilHelpers . createBsh ( baseOffset ++ , byteSize , "C" , wordSize , thirtyOneSet , dWordSize , tmpVar1 ) ) ; instructions . add ( ReilHelpers . createBsh ( baseOffset ++ , dWordSize , registerNodeValue , byteSize , "-" + oneSet , dWordSize , tmpVar2 ) ) ; instructions . add ( ReilHelpers . createOr ( baseOffset ++ , dWordSize , tmpVar1 , dWordSize , tmpVar2 , dWordSize , tmpVar3 ) ) ; instructions . add ( ReilHelpers . createAnd ( baseOffset ++ , dWordSize , tmpVar3 , dWordSize , bitMaskAllBitsSet , dWordSize , shifterOperand ) ) ; instructions . add ( ReilHelpers . createAnd ( baseOffset ++ , dWordSize , registerNodeValue , byteSize , String . valueOf ( 1 ) , byteSize , shifterCarryOut ) ) ; return new Pair < String , String > ( shifterOperand , shifterCarryOut ) ; }
target:  <Rm>, RRX Operation: shifter_operand = (C Flag Logical_Shift_Left 31) OR (Rm Logical_Shift_Right 1) shifter_carry_out = Rm[0]