public x86RegisterList Union(x86RegisterList Other)
{
if (!Initialized)
{
return(Other);
}
if (!Other.Initialized)
{
return(this);
}
var MaxSize = Math.Max(Size, Other.Size);
var Ret = new x86RegisterList(MaxSize);
for (var i = 0; i < MaxSize; i++)
{
if (i < Size && this[i])
{
Ret[i] = true;
}
else if (i < Other.Size && Other[i])
{
Ret[i] = true;
}
}
return(Ret);
}
public void SetUsed(x86RegisterList List, x86RegisterMask Mask)
{
for (var i = 0; i < List.Size; i++)
{
if (List[i])
{
SetUsed(i, Mask);
}
}
}
public x86DataList(x86Architecture Arch, bool Alloc = true)
{
this.Arch = Arch;
if (Alloc)
{
GRegisters = new x86GRegisterList(Arch.RegCount);
SSERegisters = new x86RegisterList(Arch.RegCount);
}
}
public void SetUnused(x86RegisterList List)
{
for (var i = 0; i < List.Size; i++)
{
if (List[i])
{
UsedRegs[i] = false;
}
}
}
public void SetUsed(x86RegisterList Lst)
{
for (var i = 0; i < Lst.Size; i++)
{
if (Lst[i])
{
UsedRegs[i] = true;
}
}
}
public x86SSERegLocation AllocSSERegister(int Size, x86RegisterList CantBe = new x86RegisterList())
{
var Ret = AllocSSERegHelper(Size, CantBe);
if (Ret != null)
{
return(Ret);
}
return(AllocSSERegHelper(Size, CantBe, true));
}
public void Set(x86RegisterList List)
{
if (List.Size != Size)
{
throw new ApplicationException();
}
for (var i = 0; i < Size; i++)
{
UsedRegs[i] = List[i];
}
}
public x86RegisterList Inverse()
{
var Ret = new x86RegisterList(Size);
for (var i = 0; i < Size; i++)
{
if (!UsedRegs[i])
{
Ret[i] = true;
}
}
return(Ret);
}
public x86RegisterList Copy()
{
if (Initialized)
{
var Ret = new x86RegisterList(Size);
for (var i = 0; i < Size; i++)
{
Ret[i] = this[i];
}
return(Ret);
}
return(new x86RegisterList());
}
public x86SSERegLocation AllocSSERegHelper(int Size, x86RegisterList CantBe = new x86RegisterList(), bool EnableParamLocs = false)
{
var Sequence = x86CallConv.AllocationSequence.SSERegisters;
for (var i = 0; i < Sequence.Length; i++)
{
var Reg = Sequence[i];
if (IsSSERegisterFree(Reg) && (!CantBe.Initialized || !CantBe[Reg]))
{
SSERegisters[Reg] = true;
return(new x86SSERegLocation(Arch, Reg, Size));
}
}
return(null);
}
public x86RegisterList Intersect(x86RegisterList Other)
{
if (!Initialized)
{
return(Other);
}
if (!Other.Initialized)
{
return(this);
}
var MinSize = Math.Min(Size, Other.Size);
var Ret = new x86RegisterList(MinSize);
for (var i = 0; i < MinSize; i++)
{
if (this[i] && Other[i])
{
Ret[i] = true;
}
}
return(Ret);
}
