private Expression RewriteOperand(MachineOperand op, bool maybe0 = false)
{
switch (op)
{
case RegisterOperand rOp:
if (maybe0 && rOp.Register.Number == 0)
{
return(Constant.Zero(rOp.Register.DataType));
}
if (arch.IsCcField(rOp.Register))
{
return(binder.EnsureFlagGroup(arch.GetCcFieldAsFlagGroup(rOp.Register)));
}
else
{
return(binder.EnsureRegister(rOp.Register));
}
case ImmediateOperand iOp:
// Extend the immediate value to word size. If this is not wanted,
// convert the operand manually or use RewriteSignedOperand
return(Constant.Create(arch.WordWidth, iOp.Value.ToUInt64()));
case AddressOperand aOp:
return(aOp.Address);
default:
throw new NotImplementedException($"RewriteOperand:{op} ({op.GetType()}");
}
}
private Expression RewriteOperand(MachineOperand op, bool maybe0 = false)
{
switch (op)
{
case RegisterOperand rOp:
if (maybe0 && rOp.Register.Number == 0)
{
return(Constant.Zero(rOp.Register.DataType));
}
if (arch.IsCcField(rOp.Register))
{
return(binder.EnsureFlagGroup(arch.GetCcFieldAsFlagGroup(rOp.Register)));
}
else
{
return(binder.EnsureRegister(rOp.Register));
}
case ImmediateOperand iOp:
// Sign-extend the bastard.
return(SignExtend(iOp.Value));
case AddressOperand aOp:
return(aOp.Address);
default:
throw new NotImplementedException(
string.Format("RewriteOperand:{0} ({1}}}", op, op.GetType()));
}
}