public IXILMapping TryAllocate(Component host, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes, IProject targetProject)
{
if (instr.Name != InstructionCodes.Sign)
{
return(null);
}
int floatWidth;
if (operandTypes[0].CILType.Equals(typeof(float)))
{
floatWidth = 32;
}
else if (operandTypes[0].CILType.Equals(typeof(double)))
{
floatWidth = 64;
}
else if (operandTypes[0].CILType.Equals(typeof(Signed)) ||
operandTypes[0].CILType.Equals(typeof(SFix)))
{
floatWidth = operandTypes[0].GetFixFormat().TotalWidth;
}
else
{
return(null);
}
var fmt = resultTypes[0].GetFixFormat();
if (fmt == null || !fmt.IsSigned || fmt.IntWidth < 2)
{
return(null);
}
var fsas = new FloatSignAsSigned(floatWidth, fmt);
return(new Mapping(fsas));
}
public TransactionSite(FloatSignAsSigned host) :
base(host)
{
_host = host;
}
public Mapping(FloatSignAsSigned host)
{
_host = host;
}
public TransactionSite(FloatSignAsSigned host) :
base(host)
{
_host = host;
}
public IXILMapping TryAllocate(Component host, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes, IProject targetProject)
{
if (instr.Name != InstructionCodes.Sign)
return null;
int floatWidth;
if (operandTypes[0].CILType.Equals(typeof(float)))
floatWidth = 32;
else if (operandTypes[0].CILType.Equals(typeof(double)))
floatWidth = 64;
else if (operandTypes[0].CILType.Equals(typeof(Signed)) ||
operandTypes[0].CILType.Equals(typeof(SFix)))
floatWidth = operandTypes[0].GetFixFormat().TotalWidth;
else
return null;
var fmt = resultTypes[0].GetFixFormat();
if (fmt == null || !fmt.IsSigned || fmt.IntWidth < 2)
return null;
var fsas = new FloatSignAsSigned(floatWidth, fmt);
return new Mapping(fsas);
}
public Mapping(FloatSignAsSigned host)
{
_host = host;
}
