X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Ftt.cpp;h=555f3c6d0e501fc262036eb5c412083ab642fcf2;hb=ac4c971e06568b583292a76853e09f990b9b23ef;hp=7efc6a0918872d6eb75be6f018c94667c720fc17;hpb=84451191f3e16be2d532353b4df3d870b84b4f5d;p=stockfish

diff --git a/src/tt.cpp b/src/tt.cpp
index 7efc6a09..555f3c6d 100644
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -25,7 +25,7 @@
 #include <cassert>
 #include <cmath>
 #include <cstring>
-#if !defined(__hpux)
+#if !defined(NO_PREFETCH)
 #  include <xmmintrin.h>
 #endif
 
@@ -121,10 +121,6 @@ void TranspositionTable::store(const Key posKey, Value v, ValueType t, Depth d,
   {
       if (!tte->key() || tte->key() == posKey32) // empty or overwrite old
       {
-          // Do not overwrite when new type is VALUE_TYPE_EV_LO
-          if (tte->key() && t == VALUE_TYPE_EV_LO)
-              return;
-
           // Preserve any exsisting ttMove
           if (m == MOVE_NONE)
               m = tte->move();
@@ -170,8 +166,8 @@ 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(__hpux)
-void TranspositionTable::prefetch(const Key) const {} // Not supported on HP UX
+#if defined(NO_PREFETCH)
+void TranspositionTable::prefetch(const Key) const {}
 #else
 
 void TranspositionTable::prefetch(const Key posKey) const {