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Remove an useless assignment

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The assignment (ss + 1)->excludedMove = Move::none() can be simplified away because when that line is reached, (ss + 1)->excludedMove is always already none. The only moment stack[x]->excludedMove is modified, is during singular search, but it is reset to none right after the singular search is finished.

closes https://github.com/official-stockfish/Stockfish/pull/5153

No functional change
This commit is contained in:
gab8192
2024-04-03 23:41:24 +02:00
committed by Joost VandeVondele
parent de2244284b
commit d6bdcec52c
1 changed files with 1 additions and 1 deletions
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src/search.cpp
+1 -1
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@@ -585,7 +585,7 @@ Value Search::Worker::search(
assert(0 <= ss->ply && ss->ply < MAX_PLY);
(ss + 1)->excludedMove = bestMove = Move::none();
bestMove = Move::none();
(ss + 2)->killers[0] = (ss + 2)->killers[1] = Move::none();
(ss + 2)->cutoffCnt = 0;
ss->multipleExtensions = (ss - 1)->multipleExtensions;