Index: SingleSource/UnitTests/Vector/AVX512F/getmant.c
===================================================================
--- SingleSource/UnitTests/Vector/AVX512F/getmant.c
+++ SingleSource/UnitTests/Vector/AVX512F/getmant.c
@@ -116,7 +116,7 @@
 double getmant_pd(double src, int interval, int sc) {
   union {
     struct {
-      unsigned long int fraction : 52;
+      unsigned long long fraction : 52;
       unsigned int exp : 11;
       unsigned int sign : 1;
     } st;