X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Ftypes.h;h=ad72087a01300ac8073ea60595cad4930c9ababb;hb=7ddbcf7e87a0b0c882d8d33841bd7ae53969619d;hp=7ebe3f61f8580b0b241a9c0580b8f83768a57fc0;hpb=64d29a633066e39b62af5ee0bbf32645994744ec;p=stockfish

diff --git a/src/types.h b/src/types.h
index 7ebe3f61..ad72087a 100644
--- a/src/types.h
+++ b/src/types.h
@@ -54,6 +54,12 @@
 #  include <nmmintrin.h> // Intel header for _mm_popcnt_u64() intrinsic
 #endif
 
+#if defined(USE_PEXT)
+#  include <immintrin.h> // Header for _pext_u64() intrinsic
+#else
+#  define _pext_u64(b, m) (0)
+#endif
+
 #  if !defined(NO_PREFETCH) && (defined(__INTEL_COMPILER) || defined(_MSC_VER))
 #   include <xmmintrin.h> // Intel and Microsoft header for _mm_prefetch()
 #  endif
@@ -79,6 +85,12 @@ const bool HasPopCnt = true;
 const bool HasPopCnt = false;
 #endif
 
+#ifdef USE_PEXT
+const bool HasPext = true;
+#else
+const bool HasPext = false;
+#endif
+
 #ifdef IS_64BIT
 const bool Is64Bit = true;
 #else