private static ushort EvaluateOperandIndex(ExecutionContext context, OperandIndex index)
{
var result = (ushort)index.Value;
switch (index.Representation)
{
case OperandIndexRepresentation.Immediate32PlusRelative:
case OperandIndexRepresentation.Immediate64PlusRelative:
case OperandIndexRepresentation.Relative:
var operandValue = GetOperandValue(context, index.Register, NumberType.UInt);
switch (index.Register.SelectionMode)
{
case Operand4ComponentSelectionMode.Mask:
result += (ushort)operandValue.GetMaskedNumber(index.Register.ComponentMask).UInt;
break;
case Operand4ComponentSelectionMode.Select1:
result += (ushort)operandValue.GetSwizzledNumber(index.Register.Swizzles[0]).UInt;
break;
default:
throw new ArgumentOutOfRangeException();
}
break;
}
return(result);
}
private static string GetRegisterIndex(OperandIndex index)
{
switch (index.Representation)
{
case OperandIndexRepresentation.Immediate32:
case OperandIndexRepresentation.Immediate64:
return(index.Value.ToString());
case OperandIndexRepresentation.Immediate32PlusRelative:
case OperandIndexRepresentation.Immediate64PlusRelative:
return(string.Format("{0} + {1}",
GenerateGetOperandValue(index.Register, NumberType.Unknown, forUseInArrayIndex: true),
index.Value));
case OperandIndexRepresentation.Relative:
return(string.Format("{0}",
GenerateGetOperandValue(index.Register, NumberType.Unknown, forUseInArrayIndex: true)));
default:
throw new ArgumentOutOfRangeException("index");
}
}
