LMR Simplification

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index a704edbe349967ff3bc560275736cc5d9f8c8e7b..390966e3494273969bdb53a50c6953a6c9782611 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -268,13 +268,9 @@ inline int popcount(Bitboard b) {
   union { Bitboard bb; uint16_t u[4]; } v = { b };
   return PopCnt16[v.u[0]] + PopCnt16[v.u[1]] + PopCnt16[v.u[2]] + PopCnt16[v.u[3]];
 
-#elif defined(_MSC_VER) && defined(__INTEL_COMPILER)
+#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
 
-  return _mm_popcnt_u64(b);
-
-#elif defined(_MSC_VER)
-
-  return (int)__popcnt64(b);
+  return (int)_mm_popcnt_u64(b);
 
 #else // Assumed gcc or compatible compiler