X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.cpp;h=c6b294a00cad8fd5aeb1eae1bf673b53b3f4026a;hp=998d73783be003e8deb2567695e51527a7657bf3;hb=d44ac0a4850f389ee2fdb8812104150c323d9ec2;hpb=083fe5812485597e13943b690cc24a8f25c0d140

diff --git a/src/tt.cpp b/src/tt.cpp
index 998d7378..c6b294a0 100644
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -39,8 +39,10 @@ void TranspositionTable::set_size(size_t mbSize) {
   if (hashMask == size - ClusterSize)
       return;
 
+  hashMask = size - ClusterSize;
   free(mem);
-  mem = malloc(size * sizeof(TTEntry) + (CACHE_LINE_SIZE - 1));
+  mem = malloc(size * sizeof(TTEntry) + CACHE_LINE_SIZE - 1);
+
   if (!mem)
   {
       std::cerr << "Failed to allocate " << mbSize
@@ -48,9 +50,8 @@ void TranspositionTable::set_size(size_t mbSize) {
       exit(EXIT_FAILURE);
   }
 
-  table = (TTEntry*)((size_t(mem) + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1));
-  hashMask = size - ClusterSize;
-  clear(); // Newly allocated block of memory is not initialized
+  table = (TTEntry*)((uintptr_t(mem) + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1));
+  clear(); // Operator new is not guaranteed to initialize memory to zero
 }