src/hotspot/cpu/x86/vm_version_x86.hpp

*** 343,352 ****
--- 343,354 ----
  #define CPU_VNNI ((uint64_t)UCONST64(0x10000000000))   // Vector Neural Network Instructions
  
  #define CPU_FLUSH ((uint64_t)UCONST64(0x20000000000))  // flush instruction
  #define CPU_FLUSHOPT ((uint64_t)UCONST64(0x40000000000)) // flushopt instruction
  #define CPU_CLWB ((uint64_t)UCONST64(0x80000000000))   // clwb instruction
+ #define CPU_VBMI2 ((uint64_t)UCONST64(0x100000000000))   // VBMI2 shift left double instructions
+ 
  
  enum Extended_Family {
      // AMD
      CPU_FAMILY_AMD_11H       = 0x11,
      // ZX
*** 565,574 ****
--- 567,578 ----
            result |= CPU_AVX512_VPCLMULQDQ;
          if (_cpuid_info.sef_cpuid7_ecx.bits.vaes != 0)
            result |= CPU_VAES;
          if (_cpuid_info.sef_cpuid7_ecx.bits.avx512_vnni != 0)
            result |= CPU_VNNI;
+         if (_cpuid_info.sef_cpuid7_ecx.bits.avx512_vbmi2 != 0)
+           result |= CPU_VBMI2;
        }
      }
      if (_cpuid_info.sef_cpuid7_ebx.bits.bmi1 != 0)
        result |= CPU_BMI1;
      if (_cpuid_info.std_cpuid1_edx.bits.tsc != 0)
*** 856,865 ****
--- 860,870 ----
    static bool supports_vzeroupper() { return (_features & CPU_VZEROUPPER) != 0; }
    static bool supports_vpopcntdq()  { return (_features & CPU_AVX512_VPOPCNTDQ) != 0; }
    static bool supports_avx512_vpclmulqdq() { return (_features & CPU_AVX512_VPCLMULQDQ) != 0; }
    static bool supports_vaes()       { return (_features & CPU_VAES) != 0; }
    static bool supports_vnni()       { return (_features & CPU_VNNI) != 0; }
+   static bool supports_vbmi2()      { return (_features & CPU_VBMI2) != 0; }
  
    // Intel features
    static bool is_intel_family_core() { return is_intel() &&
                                         extended_cpu_family() == CPU_FAMILY_INTEL_CORE; }