private static void RenameTupleSourcesHelper(IRTuple tuple, Ident replaceIdent, int numbering)
{
Console.WriteLine();
Console.Write("Before: ");
tuple.Print();
Console.WriteLine();
if (tuple.GetType() == typeof(IRTupleTwoOp))
{
IRTupleTwoOp twoTuple = (IRTupleTwoOp)tuple;
if (twoTuple.getSrc2() == replaceIdent)
{
twoTuple.setSrc2(RenameVar(replaceIdent, numbering));
}
if (twoTuple.getSrc1() == replaceIdent)
{
twoTuple.setSrc1(RenameVar(replaceIdent, numbering));
}
}
else if (tuple.GetType() == typeof(IRTupleOneOpIdent))
{
IRTupleOneOpIdent oneTuple = (IRTupleOneOpIdent)tuple;
if (oneTuple.getSrc1() == replaceIdent)
{
oneTuple.setSrc1(RenameVar(replaceIdent, numbering));
}
}
else
{
throw new Exception("You need to deal with more types: " + tuple.GetType());
}
Console.Write("After: ");
tuple.Print();
Console.WriteLine();
}
public static string IRToARM(IRTuple IR)
{
IRTupleOneOpIdent IROOI = IR as IRTupleOneOpIdent;
IRTupleOneOpImm <string> IROOImm = IR as IRTupleOneOpImm <string>;
IRTupleTwoOp IRTO = IR as IRTupleTwoOp;
if (IR.getOp() == IrOp.NEG)
{
return("Neg " + IROOI.getDest());
}
if (IR.getOp() == IrOp.ADD)
{
return("ADD " + IR.getDest() + ", " + IRTO.getSrc1() + ", " + IRTO.getSrc2());
}
if (IR.getOp() == IrOp.SUB)
{
return("SUB " + IR.getDest() + ", " + IRTO.getSrc1() + ", " + IRTO.getSrc2());
}
if (IR.getOp() == IrOp.AND)
{
return("AND " + IRTO.getDest() + ", " + IRTO.getSrc1() + ", " + IRTO.getSrc2());
}
if (IR.getOp() == IrOp.MUL)
{
if (IRTO.getDest() != IRTO.getSrc1())
{
return("MUL " + IRTO.getDest() + ", " + IRTO.getSrc1() + ", " + IRTO.getSrc2());
}
else
{
return("MUL " + IRTO.getDest() + ", " + IRTO.getSrc2() + ", " + IRTO.getSrc1());
}
}
if (IR.getOp() == IrOp.CALL)
{
string str = "STRMFD sp, {R1-R12, lr}\n";
str += "BL " + IROOI.getDest();
if (IR.getDest()[0] == 'R')
{
str = "MOV " + IROOI.getSrc1() + ", R0";
}
else
{
str = "LDR " + IROOI.getSrc1() + ", R0";
}
return(str);
}
if (IR.getOp() == IrOp.RET)
{
string str = "";
if (IR.getDest()[0] == 'R')
{
str = "MOV R0, " + IR.getDest();
}
else
{
str = "LDR R0, " + IR.getDest();
}
str += "\nLDMFD sp, {R1-R12, pc}";
return(str);
}
// DIV
if (IR.getOp() == IrOp.EQU)
{
string str = "CMP " + IRTO.getSrc1() + ", " + IRTO.getSrc2() + '\n';
str += "MOVEQ " + IRTO.getDest() + ", #1\n";
str += "MOVNE " + IRTO.getDest() + ", #0";
return(str);
}
if (IR.getOp() == IrOp.NEQ)
{
string str = "CMP " + IRTO.getSrc1() + ", " + IRTO.getSrc2() + '\n';
str += "MOVEQ " + IRTO.getDest() + ", #0\n";
str += "MOVNE " + IRTO.getDest() + ", #1";
return(str);
}
if (IR.getOp() == IrOp.LT)
{
string str = "CMP " + IRTO.getSrc1() + ", " + IRTO.getSrc2() + '\n';
str += "MOVGE " + IRTO.getDest() + ", #0\n";
str += "MOVLT " + IRTO.getDest() + ", #1";
return(str);
}
if (IR.getOp() == IrOp.GT)
{
string str = "CMP " + IRTO.getSrc1() + ", " + IRTO.getSrc2() + '\n';
str += "MOVLE " + IRTO.getDest() + ", #0\n";
str += "MOVGT " + IRTO.getDest() + ", #1";
return(str);
}
if (IR.getOp() == IrOp.JMP)
{
return("JMP " + IR.getDest());
}
if (IR.getOp() == IrOp.JMPF)
{
string str = "CMP " + IROOI.getSrc1() + ", #0\n";
str += "JMPEQ " + IROOI.getDest();
return(str);
}
if (IR.getOp() == IrOp.LABEL)
{
return(IR.getDest() + ':');
}
if (IR.getOp() == IrOp.FUNC)
{
return(IR.getDest() + ':');
}
// MOD
if (IR.getOp() == IrOp.NOT)
{
return("MVN " + IROOI.getDest() + ", " + IROOI.getSrc1());
}
if (IR.getOp() == IrOp.OR)
{
return("ORR " + IRTO.getDest() + ", " + IRTO.getSrc1() + ", " + IRTO.getSrc2());
}
if (IR.getOp() == IrOp.XOR)
{
return("EOR " + IRTO.getDest() + ", " + IRTO.getSrc1() + ", " + IRTO.getSrc2());
}
if (IR.getOp() == IrOp.STORE)
{
if (IR.getDest()[0] == 'R')
{
return("LDR " + IROOI.getDest() + ", " + IROOI.getSrc1());
}
return("STR " + IROOI.getDest() + ", " + IROOI.getSrc1());
}
IR.Print();
return("");
}