diff -r 26f0ed77734e -r c6f1226cfb72 src/hotspot/cpu/x86/vm_version_x86.hpp
--- a/src/hotspot/cpu/x86/vm_version_x86.hpp	Fri Oct 04 12:00:16 2019 -0400
+++ b/src/hotspot/cpu/x86/vm_version_x86.hpp	Fri Oct 04 11:45:16 2019 -0700
@@ -366,7 +366,7 @@
     CPU_MODEL_HASWELL_E3     = 0x3c,
     CPU_MODEL_HASWELL_E7     = 0x3f,
     CPU_MODEL_BROADWELL      = 0x3d,
-    CPU_MODEL_SKYLAKE        = CPU_MODEL_HASWELL_E3
+    CPU_MODEL_SKYLAKE        = 0x55
   };
 
   // cpuid information block.  All info derived from executing cpuid with