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Remove unused field SearchStack::ttMove
No functional change Resolves #533
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2 changed files with 3 additions and 4 deletions
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@ -641,7 +641,7 @@ namespace {
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assert(0 <= ss->ply && ss->ply < MAX_PLY);
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ss->currentMove = ss->ttMove = (ss+1)->excludedMove = bestMove = MOVE_NONE;
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ss->currentMove = (ss+1)->excludedMove = bestMove = MOVE_NONE;
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(ss+1)->skipEarlyPruning = false; (ss+1)->reduction = DEPTH_ZERO;
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(ss+2)->killers[0] = (ss+2)->killers[1] = MOVE_NONE;
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@ -652,8 +652,8 @@ namespace {
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posKey = excludedMove ? pos.exclusion_key() : pos.key();
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tte = TT.probe(posKey, ttHit);
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ttValue = ttHit ? value_from_tt(tte->value(), ss->ply) : VALUE_NONE;
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ss->ttMove = ttMove = RootNode ? thisThread->rootMoves[thisThread->PVIdx].pv[0]
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: ttHit ? tte->move() : MOVE_NONE;
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ttMove = RootNode ? thisThread->rootMoves[thisThread->PVIdx].pv[0]
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: ttHit ? tte->move() : MOVE_NONE;
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// At non-PV nodes we check for an early TT cutoff
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if ( !PvNode
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@ -39,7 +39,6 @@ struct Stack {
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Move* pv;
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int ply;
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Move currentMove;
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Move ttMove;
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Move excludedMove;
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Move killers[2];
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Depth reduction;
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