public static void gatherOpsAtAddress(ArrayList<PcodeOp> oplist, PcodeSyntaxTree fd,
			Address addr) {
		Iterator<PcodeOpAST> iter = fd.getPcodeOps(addr);
		while (iter.hasNext()) {
			oplist.add(iter.next());
		}
	}
Encode a particular PcodeOp and slot
@param op is the PcodeOp to preserve
@param slot is the slot to preserve (-1 for output, >=0 for input)
@param method is the method to use for encoding (4, 5, or 6)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/DynamicHash.java