Documentation fix

[stockfish] / src / tt.cpp

diff --git a/src/tt.cpp b/src/tt.cpp
index 12e6b636d0b98be117782d5c20bf6486dfba5cab..555f3c6d0e501fc262036eb5c412083ab642fcf2 100644 (file)
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -25,7 +25,7 @@
 #include <cassert>
 #include <cmath>
 #include <cstring>
-#if defined(USE_PREFETCH)
+#if !defined(NO_PREFETCH)
 #  include <xmmintrin.h>
 #endif
 
@@ -166,7 +166,7 @@ TTEntry* TranspositionTable::retrieve(const Key posKey) const {
 /// to be loaded from RAM, that can be very slow. When we will
 /// subsequently call retrieve() the TT data will be already
 /// quickly accessible in L1/L2 CPU cache.
-#if !defined(USE_PREFETCH)
+#if defined(NO_PREFETCH)
 void TranspositionTable::prefetch(const Key) const {}
 #else