X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=ad72087a01300ac8073ea60595cad4930c9ababb;hp=5dcfe51e82185884cfa610dc15df15b5df55b20e;hb=226bbc1e632c18cfd4d76aa9092c4575b0de0cf5;hpb=c556fe1d716fcef3215c239f02b314ec7b42f0d1

diff --git a/src/types.h b/src/types.h
index 5dcfe51e..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