public AllocationContext(StackAllocator stackAlloc, RegisterMasks masks, int intervalsCount)
{
StackAlloc = stackAlloc;
Masks = masks;
Active = new BitMap(Allocators.Default, intervalsCount);
Inactive = new BitMap(Allocators.Default, intervalsCount);
PopulateFreePositions(RegisterType.Integer, out _intFreePositions, out _intFreePositionsCount);
PopulateFreePositions(RegisterType.Vector, out _vecFreePositions, out _vecFreePositionsCount);
void PopulateFreePositions(RegisterType type, out int[] positions, out int count)
{
positions = new int[RegistersCount];
count = BitOperations.PopCount((uint)masks.GetAvailableRegisters(type));
int mask = masks.GetAvailableRegisters(type);
for (int i = 0; i < positions.Length; i++)
{
if ((mask & (1 << i)) != 0)
{
positions[i] = int.MaxValue;
}
}
}
}
public AllocationContext(StackAllocator stackAlloc, RegisterMasks masks, int intervalsCount)
{
StackAlloc = stackAlloc;
Masks = masks;
Active = new BitMap(intervalsCount);
Inactive = new BitMap(intervalsCount);
}
public AllocationContext(StackAllocator stackAlloc, RegisterMasks masks, int intervalsCount)
{
StackAlloc = stackAlloc;
Masks = masks;
BitMapPool.PrepareBitMapPool();
Active = BitMapPool.Allocate(intervalsCount);
Inactive = BitMapPool.Allocate(intervalsCount);
}
