From: Marco Costalba <mcostalba@gmail.com>
Date: Thu, 20 Sep 2012 17:25:27 +0000 (+0200)
Subject: Fix compile on 64 bits
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=09acdac56bd419a68126e8a0ac6dc868d3d11ec5

Fix compile on 64 bits

Reported by Quocvuong82.

No functional change.
---

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index 994279cc..dd5b5799 100644
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -72,6 +72,16 @@ namespace {
 
   void init_magics(Bitboard table[], Bitboard* attacks[], Bitboard magics[],
                    Bitboard masks[], unsigned shifts[], Square deltas[], Fn index);
+
+  FORCE_INLINE unsigned bsf_index(Bitboard b) {
+
+    if (Is64Bit)
+        return ((b & -b) * DeBruijn_64) >> 58;
+
+    // Use Matt Taylor's folding trick for 32 bit systems
+    b ^= (b - 1);
+    return ((unsigned(b) ^ unsigned(b >> 32)) * DeBruijn_32) >> 26;
+  }
 }
 
 /// lsb()/msb() finds the least/most significant bit in a nonzero bitboard.
@@ -79,16 +89,6 @@ namespace {
 
 #if !defined(USE_BSFQ)
 
-FORCE_INLINE unsigned bsf_index(Bitboard b) {
-
-  if (Is64Bit)
-      return ((b & -b) * DeBruijn_64) >> 58;
-
-  // Use Matt Taylor's folding trick for 32 bit systems
-  b ^= (b - 1);
-  return ((unsigned(b) ^ unsigned(b >> 32)) * DeBruijn_32) >> 26;
-}
-
 Square lsb(Bitboard b) { return BSFTable[bsf_index(b)]; }
 
 Square pop_lsb(Bitboard* b) {