@Override
	public final RegisterValue getNonFlowValue(RegisterValue value) {
		if (value == null || !hasNonFlowingContext || !value.getRegister().isProcessorContext()) {
			return null;
		}
		return value.clearBitValues(flowingContextRegisterMask);
	}
Modify register value to only include non-flowing bits
@param value context register value to be modified
@return new value or null if value does not correspond to a context register or
non-flowing context fields have not been defined
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/AbstractProgramContext.java