src/hotspot/cpu/x86/vm_version_ext_x86.cpp

*** 338,347 ****
--- 338,351 ----
  
    if (is_amd()) {
      return !is_amd_Barcelona();
    }
  
+   if (is_hygon()) {
+     return true;
+   }
+ 
    return false;
  }
  
  void VM_Version_Ext::resolve_cpu_information_details(void) {
  
*** 405,414 ****
--- 409,422 ----
      if (cpu_family_id == CPU_FAMILY_PENTIUMPRO) {
        return cpu_model_description();
      }
      return _family_id_intel[cpu_family_id];
    }
+   if (is_hygon()) {
+     return _family_id_hygon[cpu_family_id];
+   }
+ 
    return "Unknown x86";
  }
  
  int VM_Version_Ext::cpu_type_description(char* const buf, size_t buf_len) {
    assert(buf != NULL, "buffer is NULL!");
*** 421,430 ****
--- 429,441 ----
      cpu_type = "Intel";
      x64 = cpu_is_em64t() ? " Intel64" : "";
    } else if (is_amd()) {
      cpu_type = "AMD";
      x64 = cpu_is_em64t() ? " AMD64" : "";
+   } else if (is_hygon()) {
+         cpu_type = "HYGON";
+         x64 = cpu_is_em64t() ? " AMD64" : "";
    } else {
      cpu_type = "Unknown x86";
      x64 = cpu_is_em64t() ? " x86_64" : "";
    }
  
*** 730,739 ****
--- 741,778 ----
    "",
    "",
    "Opteron/Athlon64",
    "Opteron QC/Phenom"  // Barcelona et.al.
  };
+ const char* const VM_Version_Ext::_family_id_hygon[] = {
+   "",   //family 0
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "",
+   "HygonGenuine",       //family 24
+ };
+ 
  // Partially from Intel 64 and IA-32 Architecture Software Developer's Manual,
  // September 2013, Vol 3C Table 35-1
  const char* const VM_Version_Ext::_model_id_pentium_pro[] = {
    "",
    "Pentium Pro",