X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.cpp;h=ea435026241f21b72275af2fd0585b35480ff9a8;hp=dedfee8a4baf6f809bd59313bd826a51314e8360;hb=cf71efc34bc6528a3a980aa0b9eec27770095eb8;hpb=c9d364f9caf5bdbd61d1fcbe85142d4ebaafad7c diff --git a/src/movepick.cpp b/src/movepick.cpp index dedfee8a..ea435026 100644 --- a/src/movepick.cpp +++ b/src/movepick.cpp @@ -39,11 +39,23 @@ namespace { + enum MovegenPhase { + PH_TT_MOVES, // Transposition table move and mate killer + PH_GOOD_CAPTURES, // Queen promotions and captures with SEE values >= 0 + PH_KILLERS, // Killer moves from the current ply + PH_NONCAPTURES, // Non-captures and underpromotions + PH_BAD_CAPTURES, // Queen promotions and captures with SEE values < 0 + PH_EVASIONS, // Check evasions + PH_QCAPTURES, // Captures in quiescence search + PH_QCHECKS, // Non-capture checks in quiescence search + PH_STOP + }; + CACHE_LINE_ALIGNMENT - const MovegenPhaseT MainSearchPhaseTable[] = { PH_TT_MOVES, PH_GOOD_CAPTURES, PH_KILLERS, PH_NONCAPTURES, PH_BAD_CAPTURES, PH_STOP}; - const MovegenPhaseT EvasionsPhaseTable[] = { PH_EVASIONS, PH_STOP}; - const MovegenPhaseT QsearchWithChecksPhaseTable[] = { PH_TT_MOVES, PH_QCAPTURES, PH_QCHECKS, PH_STOP}; - const MovegenPhaseT QsearchWithoutChecksPhaseTable[] = { PH_TT_MOVES, PH_QCAPTURES, PH_STOP}; + const uint8_t MainSearchPhaseTable[] = { PH_TT_MOVES, PH_GOOD_CAPTURES, PH_KILLERS, PH_NONCAPTURES, PH_BAD_CAPTURES, PH_STOP}; + const uint8_t EvasionsPhaseTable[] = { PH_EVASIONS, PH_STOP}; + const uint8_t QsearchWithChecksPhaseTable[] = { PH_TT_MOVES, PH_QCAPTURES, PH_QCHECKS, PH_STOP}; + const uint8_t QsearchWithoutChecksPhaseTable[] = { PH_TT_MOVES, PH_QCAPTURES, PH_STOP}; } @@ -63,6 +75,9 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss) : pos(p), H(h) { int searchTT = ttm; ttMoves[0].move = ttm; + finished = false; + lastBadCapture = badCaptures; + if (ss) { ttMoves[1].move = (ss->mateKiller == ttm)? MOVE_NONE : ss->mateKiller; @@ -72,9 +87,6 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, } else ttMoves[1].move = killers[0].move = killers[1].move = MOVE_NONE; - finished = false; - lastBadCapture = badCaptures; - Color us = pos.side_to_move(); dc = p.discovered_check_candidates(us); @@ -243,7 +255,7 @@ void MovePicker::score_evasions() { /// class. It returns a new legal move every time it is called, until there /// are no more moves left. /// It picks the move with the biggest score from a list of generated moves taking -/// care not to return the tt move if that has already been serched previously. +/// care not to return the tt move if has already been searched previously. Move MovePicker::get_next_move() {