src/hotspot/cpu/x86/vm_version_x86.hpp

@@ -334,10 +334,11 @@
 #define CPU_FMA ((uint64_t)UCONST64(0x800000000))      // FMA instructions
 #define CPU_VZEROUPPER ((uint64_t)UCONST64(0x1000000000))       // Vzeroupper instruction
 #define CPU_AVX512_VPOPCNTDQ ((uint64_t)UCONST64(0x2000000000)) // Vector popcount
 #define CPU_VPCLMULQDQ ((uint64_t)UCONST64(0x4000000000)) //Vector carryless multiplication
 #define CPU_VAES ((uint64_t)UCONST64(0x8000000000))    // Vector AES instructions
+#define CPU_AVX512VBMI ((uint64_t)UCONST64(0x10000000000))    // Vector BMI instructions
 
   enum Extended_Family {
     // AMD
     CPU_FAMILY_AMD_11H       = 0x11,
     // ZX

@@ -546,10 +547,12 @@
           result |= CPU_AVX512_VPOPCNTDQ;
         if (_cpuid_info.sef_cpuid7_ecx.bits.vpclmulqdq != 0)
           result |= CPU_VPCLMULQDQ;
         if (_cpuid_info.sef_cpuid7_ecx.bits.vaes != 0)
           result |= CPU_VAES;
+        if (_cpuid_info.sef_cpuid7_ecx.bits.avx512_vbmi != 0)
+          result |= CPU_AVX512VBMI;
       }
     }
     if(_cpuid_info.sef_cpuid7_ebx.bits.bmi1 != 0)
       result |= CPU_BMI1;
     if (_cpuid_info.std_cpuid1_edx.bits.tsc != 0)

@@ -814,10 +817,11 @@
   static bool supports_avx512pf() { return (_features & CPU_AVX512PF) != 0; }
   static bool supports_avx512er() { return (_features & CPU_AVX512ER) != 0; }
   static bool supports_avx512cd() { return (_features & CPU_AVX512CD) != 0; }
   static bool supports_avx512bw() { return (_features & CPU_AVX512BW) != 0; }
   static bool supports_avx512vl() { return (_features & CPU_AVX512VL) != 0; }
+  static bool supports_avx512vbmi() { return (_features & CPU_AVX512VBMI) != 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()); }
   static bool supports_avxonly()    { return ((supports_avx2() || supports_avx()) && !supports_evex()); }