protected void generateTernary(Ternary node,DumpOne dump) {
// 6th ... The Count aquiesses to Holmes deduction, however he claims to have only been
// pursuing tail recursion.
Location op1 = node.getOp1();
Location op2 = node.getOp2();
Location op3 = node.getOp3();
Use umap1 = node.getUse(0);
Use umap2 = node.getUse(1);
if(node.getOp2().isSymbolic()){
Symbolic symOp1 = op1.getSymbolic();
Symbolic symOp2 = op2.getSymbolic();
Register L = (Register) _cEnv.getRegister(symOp1, symOp2, umap1, umap2, false);
Name yName = _cEnv.getNameOf(symOp2);
Register yReg = yName.inRegister();
if(yReg!=null){
if(L.holds(yName)){
yReg.remContent(yName);
} else {
_cEnv._code.mov(L, yReg, "genTern: y' not in L");
L.addContent(yName);
}
} else {
_cEnv._code.mov(L, yName.pickLocation(), "genTern: y' not in L");
L.addContent(yName);
}
/*
* <li>If the third operand is symbolic, get its name, find its location, and generate the code for the binary operation.
* Be aware that it does not matter whether the operand is in register or memory. If the third
* operand is in register, check to see whether its name can be safely removed from the
* register (i.e., not used in the following code of the block).
* <li>If the third oeprand is immediate, create an MImmediate object and generate the code for the operation
* <li>Make the name of the result exclusively in the target register
* </ul>
* @param node The node for which we are about to generate code
* @param DumpOne the interface of a class that will dump the actual opcode.
*/
if(op3.isSymbolic()){
Symbolic symOp3 = op3.getSymbolic();
Name op3Name = _cEnv.getNameOf(symOp3);
dump.doIt(symOp1.getLocation(), symOp2.getLocation());
Register op3loc = op3Name.inRegister();
if(op3loc!=null){
// saftely remove
} else {
}
} else if(op3.isImmediate()) {
IRImmediate irop3 = (IRImmediate) op3;
dump.doIt(symOp1.getLocation(), new MImmediate(irop3.intValue()));
}
} else {
Register target = _cEnv.forceRegister();
IRImmediate tpOp = (IRImmediate) op2;
_cEnv._code.mov(target, new MImmediate(tpOp.intValue()), "genTern: op2 is immediate");
}
}