@Override
	public int calcHash(int startHash, Instruction inst) throws MemoryAccessException {
		byte[] bytes = inst.getParsedBytes();
		for(int i=0;i<bytes.length;++i) {
			startHash = SimpleCRC32.hashOneByte(startHash, bytes[i]);
		}
		return startHash;
	}
Hash function hashing all the bytes of an individual Instruction
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/correlate/AllBytesHashCalculator.java