src/cpu/x86/vm/vm_version_x86.hpp

*** 700,709 ****
--- 700,710 ----
    static bool supports_avx512pf() { return (_cpuFeatures & CPU_AVX512PF) != 0; }
    static bool supports_avx512er() { return (_cpuFeatures & CPU_AVX512ER) != 0; }
    static bool supports_avx512cd() { return (_cpuFeatures & CPU_AVX512CD) != 0; }
    static bool supports_avx512bw() { return (_cpuFeatures & CPU_AVX512BW) != 0; }
    static bool supports_avx512vl() { return (_cpuFeatures & CPU_AVX512VL) != 0; }
+   static bool supports_avx512vlbw() { return (supports_avx512bw() && supports_avx512vl()); }
    // Intel features
    static bool is_intel_family_core() { return is_intel() &&
                                         extended_cpu_family() == CPU_FAMILY_INTEL_CORE; }
  
    static bool is_intel_tsc_synched_at_init()  {