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Remove useless assignments to currentMove

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We reference (ss-1)->currentMove, i.e. we peek
current move of the parent node, so currentMove
should be valid in the main move loop, when we
search() the subtree, but outside of main loop
it is useless.

No functional change.
This commit is contained in:
ajithcj
2016-10-15 07:29:24 +00:00
committed by Marco Costalba
parent e27d3bb884
commit 99f3ad6858
1 changed files with 0 additions and 5 deletions
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5
src/search.cpp
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@@ -636,8 +636,6 @@ namespace {
&& (ttValue >= beta ? (tte->bound() & BOUND_LOWER)
: (tte->bound() & BOUND_UPPER)))
{
ss->currentMove = ttMove; // Can be MOVE_NONE
// If ttMove is quiet, update killers, history, counter move on TT hit
if (ttValue >= beta && ttMove)
{
@@ -1228,10 +1226,7 @@ moves_loop: // When in check search starts from here
&& ttValue != VALUE_NONE // Only in case of TT access race
&& (ttValue >= beta ? (tte->bound() & BOUND_LOWER)
: (tte->bound() & BOUND_UPPER)))
{
ss->currentMove = ttMove; // Can be MOVE_NONE
return ttValue;
}
// Evaluate the position statically
if (InCheck)