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Remove unused threatenedPieces

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threatenedPieces is no longer used since #6023

Also can_move_king_or_pawn() can be const.
Also remove a couple of redundant declarations.

closes https://github.com/official-stockfish/Stockfish/pull/6101

No functional change
This commit is contained in:
mstembera
2025-06-02 21:24:38 +02:00
committed by Joost VandeVondele
parent dc85c5a4c9
commit d27298d7dc
4 changed files with 4 additions and 12 deletions
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src/movepick.cpp
+3 -8
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@@ -128,18 +128,13 @@ void MovePicker::score() {
Color us = pos.side_to_move();
[[maybe_unused]] Bitboard threatenedPieces, threatByLesser[QUEEN + 1];
[[maybe_unused]] Bitboard threatByLesser[QUEEN + 1];
if constexpr (Type == QUIETS)
{
threatByLesser[KNIGHT] = threatByLesser[BISHOP] = pos.attacks_by<PAWN>(~us);
threatByLesser[ROOK] =
pos.attacks_by<KNIGHT>(~us) | pos.attacks_by<BISHOP>(~us) | threatByLesser[KNIGHT];
threatByLesser[QUEEN] = pos.attacks_by<ROOK>(~us) | threatByLesser[ROOK];
// Pieces threatened by pieces of lesser material value
threatenedPieces = (pos.pieces(us, QUEEN) & threatByLesser[QUEEN])
| (pos.pieces(us, ROOK) & threatByLesser[ROOK])
| (pos.pieces(us, KNIGHT, BISHOP) & threatByLesser[KNIGHT]);
}
for (auto& m : *this)
@@ -316,11 +311,11 @@ top:
void MovePicker::skip_quiet_moves() { skipQuiets = true; }
// this function must be called after all quiet moves and captures have been generated
bool MovePicker::can_move_king_or_pawn() {
bool MovePicker::can_move_king_or_pawn() const {
// SEE negative captures shouldn't be returned in GOOD_CAPTURE stage
assert(stage > GOOD_CAPTURE && stage != EVASION_INIT);
for (ExtMove* m = moves; m < endCur; ++m)
for (const ExtMove* m = moves; m < endCur; ++m)
{
PieceType movedPieceType = type_of(pos.moved_piece(*m));
if ((movedPieceType == PAWN || movedPieceType == KING) && pos.legal(*m))