Simplify popcnt

[stockfish] / src / pawns.cpp

diff --git a/src/pawns.cpp b/src/pawns.cpp
index 0642c6799041632263aad067557b2f010df019e6..5bf0e82ea98434aee57b171d5604b9ddf3055781 100644 (file)
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -22,7 +22,6 @@
 #include <cassert>
 
 #include "bitboard.h"
-#include "bitcount.h"
 #include "pawns.h"
 #include "position.h"
 #include "thread.h"
@@ -114,7 +113,7 @@ namespace {
     e->kingSquares[Us] = SQ_NONE;
     e->semiopenFiles[Us] = 0xFF;
     e->pawnAttacks[Us] = shift_bb<Right>(ourPawns) | shift_bb<Left>(ourPawns);
-    e->pawnsOnSquares[Us][BLACK] = popcount<Max15>(ourPawns & DarkSquares);
+    e->pawnsOnSquares[Us][BLACK] = popcount(ourPawns & DarkSquares);
     e->pawnsOnSquares[Us][WHITE] = pos.count<PAWN>(Us) - e->pawnsOnSquares[Us][BLACK];
 
     // Loop through all pawns of the current color and score each pawn
@@ -233,7 +232,7 @@ Entry* probe(const Position& pos) {
 
   e->key = key;
   e->score = evaluate<WHITE>(pos, e) - evaluate<BLACK>(pos, e);
-  e->asymmetry = popcount<Max15>(e->semiopenFiles[WHITE] ^ e->semiopenFiles[BLACK]);
+  e->asymmetry = popcount(e->semiopenFiles[WHITE] ^ e->semiopenFiles[BLACK]);
   return e;
 }
 
@@ -288,9 +287,6 @@ Score Entry::do_king_safety(const Position& pos, Square ksq) {
   if (pawns)
       while (!(DistanceRingBB[ksq][minKingPawnDistance++] & pawns)) {}
 
-  if (relative_rank(Us, ksq) > RANK_4)
-      return make_score(0, -16 * minKingPawnDistance);
-
   Value bonus = shelter_storm<Us>(pos, ksq);
 
   // If we can castle use the bonus after the castling if it is bigger