question: public static void generateSignFlagCode ( final ITranslationEnvironment environment , final long offset , final String value , final OperandSize valueSize , final List < ReilInstruction > instructions ) throws IllegalArgumentException { Preconditions . checkNotNull ( environment , "Error: Argument environment can't be null" ) ; Preconditions . checkNotNull ( value , "Error: Argument value can't be null" ) ; Preconditions . checkNotNull ( valueSize , "Error: Argument valueSize can't be null" ) ; Preconditions . checkNotNull ( instructions , "Error: Argument instructions can't be null" ) ; final String maskValue = environment . getNextVariableString ( ) ; final String mask = String . valueOf ( TranslationHelpers . getMsbMask ( valueSize ) ) ; final String shiftValue = String . valueOf ( TranslationHelpers . getShiftMsbLsbMask ( valueSize ) ) ; instructions . add ( ReilHelpers . createAnd ( offset , valueSize , value , valueSize , mask , valueSize , maskValue ) ) ; instructions . add ( ReilHelpers . createBsh ( offset + 1 , valueSize , maskValue , valueSize , shiftValue , OperandSize . BYTE , Helpers . SIGN_FLAG ) ) ; }
target:  Generates code to set the Sign Flag