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Remove unneeded bitboard from MP

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Recent simplification has removed the need for an extra bitboard in MP struct.
Use a local variable instead.

STC: Passed Non-regression test
https://tests.stockfishchess.org/tests/view/64294ae677ff3301150cba16
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 64872 W: 17383 L: 17203 D: 30286
Ptnml(0-2): 179, 6675, 18546, 6859, 177

closes https://github.com/official-stockfish/Stockfish/pull/4490

No functional change.
This commit is contained in:
Miguel Lahoz 2023-04-02 17:28:39 +08:00 • committed by Joost VandeVondele
parent 6a6e32dfc8
commit 1fee996999
2 changed files with 1 additions and 4 deletions
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3
src/movepick.cpp
View file

@ -69,7 +69,6 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const ButterflyHist
stage = (pos.checkers() ? EVASION_TT : MAIN_TT) +
!(ttm && pos.pseudo_legal(ttm));
threatenedPieces = 0;
}
/// MovePicker constructor for quiescence search
@ -106,7 +105,7 @@ void MovePicker::score() {
static_assert(Type == CAPTURES || Type == QUIETS || Type == EVASIONS, "Wrong type");
[[maybe_unused]] Bitboard threatenedByPawn, threatenedByMinor, threatenedByRook;
[[maybe_unused]] Bitboard threatenedByPawn, threatenedByMinor, threatenedByRook, threatenedPieces;
if constexpr (Type == QUIETS)
{
Color us = pos.side_to_move();

2
src/movepick.h
View file

@ -131,8 +131,6 @@ public:
MovePicker(const Position&, Move, Value, const CapturePieceToHistory*);
Move next_move(bool skipQuiets = false);
Bitboard threatenedPieces;
private:
template<PickType T, typename Pred> Move select(Pred);
template<GenType> void score();