X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitcount.h;h=7609da40c30c2282ecc3dab112a70b7185bbef1d;hp=0754f32e7292aacb0a005594645a04d8ba6896d6;hb=77fa960f8923ca83ba0391835d50f4230ac6a345;hpb=42b48b08e81b55e385e55b3074b7c59d81809a45

diff --git a/src/bitcount.h b/src/bitcount.h
index 0754f32e..7609da40 100644
--- a/src/bitcount.h
+++ b/src/bitcount.h
@@ -2,13 +2,13 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
-
   Stockfish is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -22,6 +22,7 @@
 #define BITCOUNT_H_INCLUDED
 
 #include <cassert>
+
 #include "types.h"
 
 enum BitCountType {
@@ -35,7 +36,7 @@ enum BitCountType {
 /// Determine at compile time the best popcount<> specialization according to
 /// whether the platform is 32 or 64 bit, the maximum number of non-zero
 /// bits to count and if the hardware popcnt instruction is available.
-const BitCountType Full  = HasPopCnt ? CNT_HW_POPCNT : Is64Bit ? CNT_64 : CNT_32;
+const BitCountType Full  = HasPopCnt ? CNT_HW_POPCNT : Is64Bit ? CNT_64       : CNT_32;
 const BitCountType Max15 = HasPopCnt ? CNT_HW_POPCNT : Is64Bit ? CNT_64_MAX15 : CNT_32_MAX15;
 
 
@@ -94,7 +95,7 @@ inline int popcount<CNT_HW_POPCNT>(Bitboard b) {
 
   return (int)__popcnt64(b);
 
-#else
+#else // Assumed gcc or compatible compiler
 
   return __builtin_popcountll(b);