public IXILMapping TryAllocate(Component host, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes, IProject proj)
{
if (instr.Name != InstructionCodes.Select)
{
return(null);
}
int width = TypeLowering.Instance.GetWireWidth(operandTypes[1]);
MUX2 mux2 = new MUX2(width);
return(new MUX2XILMapping(mux2.TASite));
}
public IEnumerable <IXILMapping> TryMap(ITransactionSite taSite, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes)
{
var fu = taSite.Host;
MUX2 mux2 = fu as MUX2;
if (mux2 == null)
{
yield break;
}
if (instr.Name != InstructionCodes.Select)
{
yield break;
}
int width = TypeLowering.Instance.GetWireWidth(operandTypes[1]);
if (width != mux2.Width)
{
yield break;
}
yield return(new MUX2XILMapping(mux2.TASite));
}
public MUX2TransactionSite(MUX2 host) :
base(host)
{
_host = host;
}
public IXILMapping TryAllocate(Component host, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes, IProject proj)
{
if (instr.Name != InstructionCodes.Select)
return null;
int width = TypeLowering.Instance.GetWireWidth(operandTypes[1]);
MUX2 mux2 = new MUX2(width);
return new MUX2XILMapping(mux2.TASite);
}
public MUX2TransactionSite(MUX2 host) :
base(host)
{
_host = host;
}