--- a/src/hotspot/cpu/x86/vm_version_x86.cpp	Tue Mar 13 17:13:35 2018 +0100
+++ b/src/hotspot/cpu/x86/vm_version_x86.cpp	Tue Mar 13 10:22:15 2018 -0700
@@ -257,6 +257,8 @@
     __ lea(rsi, Address(rbp, in_bytes(VM_Version::sef_cpuid7_offset())));
     __ movl(Address(rsi, 0), rax);
     __ movl(Address(rsi, 4), rbx);
+    __ movl(Address(rsi, 8), rcx);
+    __ movl(Address(rsi, 12), rdx);
 
     //
     // Extended cpuid(0x80000000)
@@ -662,6 +664,7 @@
     _features &= ~CPU_AVX512CD;
     _features &= ~CPU_AVX512BW;
     _features &= ~CPU_AVX512VL;
+    _features &= ~CPU_AVX512_VPOPCNTDQ;
   }
 
   if (UseAVX < 2)