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Fix an assert in SMP case

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SMP case is very tricky and raises an assert in stage_moves():

assert(stage == KILLERS_S1 || stage == QUIETS_1_S1 || stage == QUIETS_2_S1)

So rewrite the code to just return moves[] when we are sure
we are in quiet moves stages.

Also rename stage_moves to quiet_moves to reflect that.

No functional change (but needs testing in SMP case)
This commit is contained in:
Marco Costalba
2013-11-17 10:15:45 +01:00
parent d9c7cad630
commit 917944e9c5
3 changed files with 7 additions and 8 deletions
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src/search.cpp
+2 -3
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@@ -1075,9 +1075,8 @@ moves_loop: // When in check and at SpNode search starts from here
Value bonus = Value(int(depth) * int(depth));
History.update(pos.moved_piece(bestMove), to_sq(bestMove), bonus);
if (bestMove != ttMove)
for (const ExtMove* em = mp.stage_moves(); em->move != bestMove; ++em)
History.update(pos.moved_piece(em->move), to_sq(em->move), -bonus);
for (const ExtMove* em = mp.quiet_moves(); em && em->move != bestMove; ++em)
History.update(pos.moved_piece(em->move), to_sq(em->move), -bonus);
if (is_ok((ss-1)->currentMove))
Countermoves.update(pos.piece_on(prevMoveSq), prevMoveSq, bestMove);