Merge remote-tracking branch 'upstream/master'

[stockfish] / src / misc.cpp

diff --git a/src/misc.cpp b/src/misc.cpp
index bca4887673ab78e7c67938602853d74769c2e98e..43a73b2870ddce46e12bf32ab9b2f5dfcc5db4cf 100644 (file)
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -146,7 +146,7 @@ const string engine_info(bool to_uci) {
 
 
 /// Debug functions used mainly to collect run-time statistics
-static int64_t hits[2], means[2];
+static std::atomic<int64_t> hits[2], means[2];
 
 void dbg_hit_on(bool b) { ++hits[0]; if (b) ++hits[1]; }
 void dbg_hit_on(bool c, bool b) { if (c) dbg_hit_on(b); }
@@ -211,12 +211,6 @@ void prefetch(void* addr) {
 
 #endif
 
-void prefetch2(void* addr) {
-
-  prefetch(addr);
-  prefetch((uint8_t*)addr + 64);
-}
-
 namespace WinProcGroup {
 
 #ifndef _WIN32