Index: src/mutex_w32.c
==================================================================
--- src/mutex_w32.c
+++ src/mutex_w32.c
@@ -85,11 +85,14 @@
 void sqlite3MemoryBarrier(void){
 #if defined(SQLITE_MEMORY_BARRIER)
   SQLITE_MEMORY_BARRIER;
 #elif defined(__GNUC__)
   __sync_synchronize();
-#else
+#elif !defined(SQLITE_DISABLE_INTRINSIC) && \
+      defined(_MSC_VER) && _MSC_VER>=1300
+  _ReadWriteBarrier();
+#elif defined(MemoryBarrier)
   MemoryBarrier();
 #endif
 }
 
 /*

Index: src/sqliteInt.h
==================================================================
--- src/sqliteInt.h
+++ src/sqliteInt.h
@@ -194,10 +194,11 @@
 #  if defined(_MSC_VER) && _MSC_VER>=1300
 #    if !defined(_WIN32_WCE)
 #      include <intrin.h>
 #      pragma intrinsic(_byteswap_ushort)
 #      pragma intrinsic(_byteswap_ulong)
+#      pragma intrinsic(_ReadWriteBarrier)
 #    else
 #      include <cmnintrin.h>
 #    endif
 #  endif
 #endif