private void UpdateMoveHints(LiveInterval liveInterval)
{
if (moveHints.TryGetValue(liveInterval.Start, out MoveHint MoveHint))
{
MoveHint.Update(liveInterval);
}
if (moveHints.TryGetValue(liveInterval.End, out MoveHint))
{
MoveHint.Update(liveInterval);
}
}
private MoveHint[] GetMoveHints(LiveInterval liveInterval)
{
MoveHint startMoveHint = null;
MoveHint endMoveHint = null;
moveHints.TryGetValue(liveInterval.Start, out startMoveHint);
if (!liveInterval.End.IsBlockStartInstruction)
{
moveHints.TryGetValue(liveInterval.End, out endMoveHint);
}
int cnt = (startMoveHint == null ? 0 : 1) + (endMoveHint == null ? 0 : 1);
if (cnt == 0)
{
return(null);
}
var hints = new MoveHint[cnt];
if (startMoveHint != null && endMoveHint != null)
{
// sorted by bonus
if (startMoveHint.Bonus > endMoveHint.Bonus)
{
hints[0] = startMoveHint;
hints[1] = endMoveHint;
}
else
{
hints[0] = endMoveHint;
hints[1] = startMoveHint;
}
}
else
{
if (startMoveHint != null)
{
hints[0] = startMoveHint;
}
else
{
hints[0] = endMoveHint;
}
}
return(hints);
}
private MoveHint[] GetMoveHints(LiveInterval liveInterval)
{
MoveHint startMoveHint = null;
MoveHint endMoveHint = null;
moveHints.TryGetValue(liveInterval.Start, out startMoveHint);
if (!liveInterval.End.IsBlockStartInstruction)
moveHints.TryGetValue(liveInterval.End.Previous, out endMoveHint);
int cnt = (startMoveHint == null ? 0 : 1) + (endMoveHint == null ? 0 : 1);
if (cnt == 0)
return null;
MoveHint[] hints = new MoveHint[cnt];
if (startMoveHint != null && endMoveHint != null)
{
// sorted by bonus
if (startMoveHint.Bonus > endMoveHint.Bonus)
{
hints[0] = startMoveHint;
hints[1] = endMoveHint;
}
else
{
hints[0] = endMoveHint;
hints[1] = startMoveHint;
}
}
else
{
if (startMoveHint != null)
{
hints[0] = startMoveHint;
}
else
{
hints[0] = endMoveHint;
}
}
return hints;
}
private bool PlaceLiveIntervalOnTrack(LiveInterval liveInterval, MoveHint[] hints)
{
if (hints == null)
return false;
foreach (var moveHint in hints)
{
LiveIntervalTrack track = null;
var register = (liveInterval.Start == moveHint.Slot) ? moveHint.FromRegister : moveHint.ToRegister;
if (register == null)
continue; // no usable hint
if (trace.Active) trace.Log(" Trying move hint: " + register.ToString() + " [ " + moveHint.ToString() + " ]");
if (PlaceLiveIntervalOnTrack(liveInterval, liveIntervalTracks[register.Index]))
{
return true;
}
}
return false;
}
private void UpdateMoveHints(LiveInterval liveInterval, MoveHint[] moveHints)
{
if (moveHints == null)
return;
if (moveHints.Length >= 1)
moveHints[0].Update(liveInterval);
else
if (moveHints.Length >= 2)
moveHints[1].Update(liveInterval);
}