diff -Naur qt5base-5.9.2.org/src/corelib/global/qfloat16.h qt5base-5.9.2/src/corelib/global/qfloat16.h
--- qt5base-5.9.2.org/src/corelib/global/qfloat16.h	2017-10-02 08:43:38.000000000 +0000
+++ qt5base-5.9.2/src/corelib/global/qfloat16.h	2017-11-15 05:45:07.629910395 +0000
@@ -44,7 +44,7 @@
 #include <QtCore/qmetatype.h>
 #include <string.h>
 
-#if defined __F16C__
+#if defined(__F16C__) || defined(__AVX2__)
 #include <immintrin.h>
 #endif