8351412: Add AVX-512 intrinsics for ML-KEM

Reviewed-by: sviswanathan

Author: ferakocz

src/hotspot/cpu/x86/stubGenerator_x86_64.cpp

@@ -4204,6 +4204,8 @@ void StubGenerator::generate_compiler_stubs() {
 
   generate_chacha_stubs();
 
+  generate_kyber_stubs();
+
   generate_dilithium_stubs();
 
   generate_sha3_stubs();

src/hotspot/cpu/x86/stubGenerator_x86_64.hpp

@@ -490,10 +490,13 @@ class StubGenerator: public StubCodeGenerator {
   // SHA3 stubs
   void generate_sha3_stubs();
 
-  // Dilithium stubs and helper functions
+  // Kyber stubs
+  void generate_kyber_stubs();
+
+  // Dilithium stubs
   void generate_dilithium_stubs();
-  // BASE64 stubs
 
+  // BASE64 stubs
   address base64_shuffle_addr();
   address base64_avx2_shuffle_addr();
   address base64_avx2_input_mask_addr();