--- old/src/cpu/x86/vm/vm_version_x86.hpp	2015-10-29 10:25:29.335979500 -0700
+++ new/src/cpu/x86/vm/vm_version_x86.hpp	2015-10-29 10:25:29.129979500 -0700
@@ -706,6 +706,8 @@
   static bool supports_avx512vl() { return (_cpuFeatures & CPU_AVX512VL) != 0; }
   static bool supports_avx512vlbw() { return (supports_avx512bw() && supports_avx512vl()); }
   static bool supports_avx512novl() { return (supports_evex() && !supports_avx512vl()); }
+  static bool supports_avx512nobw() { return (supports_evex() && !supports_avx512bw()); }
+  static bool supports_avx256only() { return (supports_avx2() && !supports_evex()); }
   // Intel features
   static bool is_intel_family_core() { return is_intel() &&
                                        extended_cpu_family() == CPU_FAMILY_INTEL_CORE; }