public override string Convert(ASM.ASMBlock theBlock)
{
string jmpOp = "";
int numSourceOperands = 2;
switch (BranchType)
{
case BranchOp.Branch:
jmpOp = "b";
numSourceOperands = 0;
break;
case BranchOp.BranchZero:
jmpOp = "beqz";
numSourceOperands = 1;
break;
case BranchOp.BranchNotZero:
jmpOp = "bne";
Src2 = "$zero";
break;
case BranchOp.BranchEqual:
jmpOp = "beq";
break;
case BranchOp.BranchNotEqual:
jmpOp = "bne";
break;
case BranchOp.BranchLessThan:
if (UnsignedTest)
{
jmpOp = "bltu";
}
else
{
jmpOp = "blt";
}
break;
case BranchOp.BranchGreaterThan:
if (UnsignedTest)
{
jmpOp = "bgtu";
}
else
{
jmpOp = "bgt";
}
break;
case BranchOp.BranchLessThanEqual:
if (UnsignedTest)
{
jmpOp = "bleu";
}
else
{
jmpOp = "ble";
}
break;
case BranchOp.BranchGreaterThanEqual:
if (UnsignedTest)
{
jmpOp = "bgeu";
}
else
{
jmpOp = "bge";
}
break;
}
string label = theBlock.GenerateMethodLabel() + theBlock.GenerateILOpLabel(DestILPosition, Extension);
if (numSourceOperands == 2)
{
return(jmpOp + " " + Src1 + ", " + Src2 + ", " + label + "\nnop");
}
else if (numSourceOperands == 1)
{
return(jmpOp + " " + Src1 + ", " + label + "\nnop");
}
else
{
return(jmpOp + " " + label + "\nnop");
}
}
