public static bool CrossUsage(InstructionWithDestinationAndSize a, InstructionWithDestinationAndSize b)
{
if (!a.DestinationReg.HasValue || !b.DestinationReg.HasValue)
{
return(false);
}
return(a.DestinationReg.Value == b.DestinationReg.Value);
}
public static bool IsSegment(InstructionWithDestinationAndSize ins)
{
if (ins.DestinationReg.HasValue && Registers.IsSegment(ins.DestinationReg.Value))
{
return(true);
}
else
{
return(false);
}
}
public static bool CanTransfer(InstructionWithDestinationAndSize ins, InstructionWithDestinationAndSize ins2)
{
bool ok = false;
if (ins != null)
{
ok = (IsDestinationRegister(ins) && !IsSegment(ins)) || IsDestinationValue(ins) || IsDestinationField(ins);
}
else
{
return(false);
}
if (ins2 != null)
{
ok &= (IsDestinationRegister(ins2) && !IsSegment(ins2)) || IsDestinationValue(ins2) || IsDestinationField(ins2);
}
return(ok);
}
public static bool CopyDestination(InstructionWithDestinationAndSize src, ref InstructionWithDestinationAndSourceAndSize ins, bool assrc)
{
if (assrc && !src.DestinationEmpty)
{
ins.SourceReg = src.DestinationReg;
ins.SourceValue = src.DestinationValue;
ins.SourceRef = src.DestinationRef;
ins.Size = src.Size;
ins.SourceDisplacement = src.DestinationDisplacement;
ins.SourceIsIndirect = src.DestinationIsIndirect;
return(true);
}
else if (!src.DestinationEmpty)
{
ins.DestinationReg = src.DestinationReg;
ins.DestinationValue = src.DestinationValue;
ins.DestinationRef = src.DestinationRef;
ins.Size = src.Size;
ins.DestinationDisplacement = src.DestinationDisplacement;
ins.DestinationIsIndirect = src.DestinationIsIndirect;
return(true);
}
return(false);
}
public static bool IsDestinationMemory(InstructionWithDestinationAndSize ins)
{
return(ins.DestinationIsIndirect);
}
public static bool IsDestinationValue(InstructionWithDestinationAndSize ins)
{
return(ins.DestinationValue.HasValue);
}
public static bool IsDestinationField(InstructionWithDestinationAndSize ins)
{
return(ins.DestinationRef != null);
}
