public Operand(OpcodeType parentType)
{
ParentType = parentType;
Swizzles = new[]
{
Operand4ComponentName.X,
Operand4ComponentName.Y,
Operand4ComponentName.Z,
Operand4ComponentName.W
};
Indices = new OperandIndex[3];
}
public Operand(OpcodeType parentType)
{
_parentType = parentType;
Swizzles = new[]
{
Operand4ComponentName.X,
Operand4ComponentName.Y,
Operand4ComponentName.Z,
Operand4ComponentName.W
};
Indices = new OperandIndex[3];
}
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");
}
}
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;
}