--- old/src/hotspot/cpu/x86/vm_version_x86.cpp	2020-07-17 11:07:02.542099452 -0700
+++ new/src/hotspot/cpu/x86/vm_version_x86.cpp	2020-07-17 11:07:02.353099443 -0700
@@ -733,11 +733,11 @@
 
   char buf[512];
   int res = jio_snprintf(buf, sizeof(buf),
-              "(%u cores per cpu, %u threads per core) family %d model %d stepping %d"
+              "(%u cores per cpu, %u threads per core) family %d model %d stepping %d microcode 0x%x"
               "%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s",
 
                cores_per_cpu(), threads_per_core(),
-               cpu_family(), _model, _stepping,
+               cpu_family(), _model, _stepping, os::cpu_microcode_revision(),
 
                (supports_cmov() ? ", cmov" : ""),
                (supports_cmpxchg8() ? ", cx8" : ""),