8352675: Support Intel AVX10 converged vector ISA feature detection

src/hotspot/cpu/aarch64/vm_version_aarch64.cpp

@@ -702,6 +702,8 @@ void VM_Version::print_platform_virtualization_info(outputStream* st) {
 #endif
 }
 
+void VM_Version::pre_initialize() {}
+
 void VM_Version::initialize_cpu_information(void) {
   // do nothing if cpu info has been initialized
   if (_initialized) {

src/hotspot/cpu/aarch64/vm_version_aarch64.hpp

@@ -63,6 +63,7 @@ class VM_Version : public Abstract_VM_Version {
 
 public:
   // Initialization
+  static void pre_initialize();
   static void initialize();
   static void check_virtualizations();
 

src/hotspot/cpu/arm/vm_version_arm.hpp

@@ -39,6 +39,7 @@ class VM_Version: public Abstract_VM_Version {
   static bool _is_initialized;
 
  public:
+  static void pre_initialize();
   static void initialize();
   static bool is_initialized()      { return _is_initialized; }
 

src/hotspot/cpu/arm/vm_version_arm_32.cpp

@@ -353,6 +353,8 @@ void VM_Version::initialize() {
   _is_initialized = true;
 }
 
+void VM_Version::pre_initialize() {}
+
 void VM_Version::initialize_cpu_information(void) {
   // do nothing if cpu info has been initialized
   if (_initialized) {

src/hotspot/cpu/ppc/vm_version_ppc.cpp

@@ -53,6 +53,8 @@ uint64_t VM_Version::_dscr_val = 0;
                   "warning: -XX:+" #flag " requires -XX:+UseSIGTRAP\n" \
                   "         -XX:+" #flag " will be disabled!\n");
 
+void VM_Version::pre_initialize() {}
+
 void VM_Version::initialize() {
 
   // Test which instructions are supported and measure cache line size.

src/hotspot/cpu/ppc/vm_version_ppc.hpp

@@ -85,6 +85,7 @@ class VM_Version: public Abstract_VM_Version {
 
 public:
   // Initialization
+  static void pre_initialize();
   static void initialize();
   static void check_virtualizations();
 

src/hotspot/cpu/riscv/vm_version_riscv.cpp

@@ -64,6 +64,8 @@ void VM_Version::initialize() {
 #endif // COMPILER2
 }
 
+void VM_Version::pre_initialize() {}
+
 void VM_Version::common_initialize() {
   _supports_atomic_getset4 = true;
   _supports_atomic_getadd4 = true;

src/hotspot/cpu/riscv/vm_version_riscv.hpp

@@ -305,6 +305,7 @@ class VM_Version : public Abstract_VM_Version {
 
  public:
   // Initialization
+  static void pre_initialize();
   static void initialize();
   static void initialize_cpu_information();
 

src/hotspot/cpu/s390/vm_version_s390.cpp

@@ -88,6 +88,8 @@ static const char* z_features[] = {"  ",
                                        "bear_enh, sort_enh, nnpa_assist, storage_key_removal, vpack_decimal_enh"
                                   };
 
+void VM_Version::pre_initialize() {}
+
 void VM_Version::initialize() {
   determine_features();      // Get processor capabilities.
   set_features_string();     // Set a descriptive feature indication.

src/hotspot/cpu/s390/vm_version_s390.hpp

@@ -411,6 +411,7 @@ class VM_Version: public Abstract_VM_Version {
   };
 
   // Initialization
+  static void pre_initialize();
   static void initialize();
   static void print_features();
   static bool is_determine_features_test_running() { return _is_determine_features_test_running; }