cool-tree.java

public void code(PrintStream s) {        
        e1.code(s);
        CgenSupport.emitFetchInt(CgenSupport.ACC, CgenSupport.ACC, s);
        CgenSupport.emitPush(CgenSupport.ACC, s);
        e2.code(s);
        CgenSupport.emitFetchInt(CgenSupport.ACC, CgenSupport.ACC, s);
        CgenSupport.emitLoad(CgenSupport.T1, 1, CgenSupport.SP, s);
        CgenSupport.emitAdd(CgenSupport.ACC, CgenSupport.T1, CgenSupport.ACC, s);
        CgenSupport.emitAddiu(CgenSupport.SP, CgenSupport.SP, 4, s);
        // Now that result of e1 + e2 is in the accumulator we
        // continue to create a new int_const object
}