Retire redundant sp->slavesCount field

[stockfish] / src / thread.cpp

diff --git a/src/thread.cpp b/src/thread.cpp
index 5c013c6a0b72e06830d2a7389706f45d73b9a43a..8be7b7214bf44661265bf0899a23860415a464cd 100644 (file)
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -155,7 +155,6 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
   sp.masterThread = this;
   sp.parentSplitPoint = activeSplitPoint;
   sp.slavesMask = 0, sp.slavesMask.set(idx);
   sp.masterThread = this;
   sp.parentSplitPoint = activeSplitPoint;
   sp.slavesMask = 0, sp.slavesMask.set(idx);

-  sp.slavesCount = 1;

   sp.depth = depth;
   sp.bestValue = *bestValue;
   sp.bestMove = *bestMove;
   sp.depth = depth;
   sp.bestValue = *bestValue;
   sp.bestMove = *bestMove;


@@ -183,11 +182,10 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
 
   Thread* slave;
 
 
   Thread* slave;
 

-  while (    sp.slavesCount < MAX_SLAVES_PER_SPLITPOINT
+  while (    sp.slavesMask.count() < MAX_SLAVES_PER_SPLITPOINT

          && (slave = Threads.available_slave(this)) != NULL)
   {
       sp.slavesMask.set(slave->idx);
          && (slave = Threads.available_slave(this)) != NULL)
   {
       sp.slavesMask.set(slave->idx);

-      sp.slavesCount++;

       slave->activeSplitPoint = &sp;
       slave->searching = true; // Slave leaves idle_loop()
       slave->notify_one(); // Could be sleeping
       slave->activeSplitPoint = &sp;
       slave->searching = true; // Slave leaves idle_loop()
       slave->notify_one(); // Could be sleeping