In Mips/Codegen.java, line 85
Notice how a number of possible MOVE tiles are
tested for
Two tiles starting at line 175 don’t emit any
code yet
Fill these in
What instruction do you need?  Look in SPIM manual?
How will you marshal the necessary operands?
Remember options of OPER, MOVE, LABEL – consult
book if you’re unsure of the difference
Be sure to write a program that will make use
of these two tiles – to test if you’ve got it right