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Small tweaks in do_move and friends

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Also remove useless StateCopySize64 optimization:
compiler uses SSE movups instruction anyhow and
does not need this trick (verified with fishbench).

No functional change.
This commit is contained in:
Marco Costalba
2015-02-07 19:34:24 +01:00
parent 99c9cae586
commit 3184852bdc
3 changed files with 31 additions and 42 deletions
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9
src/position.h
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@@ -68,11 +68,6 @@ struct StateInfo {
};
/// When making a move the current StateInfo up to 'key' excluded is copied to
/// the new one. Here we calculate the quad words (64 bit) needed to be copied.
const size_t StateCopySize64 = offsetof(StateInfo, key) / sizeof(uint64_t) + 1;
/// Position class stores information regarding the board representation as
/// pieces, side to move, hash keys, castling info, etc. Important methods are
/// do_move() and undo_move(), used by the search to update node info when
@@ -144,7 +139,7 @@ public:
// Doing and undoing moves
void do_move(Move m, StateInfo& st);
void do_move(Move m, StateInfo& st, const CheckInfo& ci, bool moveIsCheck);
void do_move(Move m, StateInfo& st, const CheckInfo& ci, bool givesCheck);
void undo_move(Move m);
void do_null_move(StateInfo& st);
void undo_null_move();
@@ -174,7 +169,7 @@ public:
Value non_pawn_material(Color c) const;
// Position consistency check, for debugging
bool pos_is_ok(bool fast = true, int* failedStep = nullptr) const;
bool pos_is_ok(int* failedStep = nullptr) const;
void flip();
private: