src/cpu/x86/vm/stubGenerator_x86_64.cpp

*** 4268,4288 ****
        StubRoutines::_squareToLen = generate_squareToLen();
      }
      if (UseMulAddIntrinsic) {
        StubRoutines::_mulAdd = generate_mulAdd();
      }
! 
! #ifndef _WINDOWS
      if (UseMontgomeryMultiplyIntrinsic) {
        StubRoutines::_montgomeryMultiply
          = CAST_FROM_FN_PTR(address, SharedRuntime::montgomery_multiply);
      }
      if (UseMontgomerySquareIntrinsic) {
        StubRoutines::_montgomerySquare
          = CAST_FROM_FN_PTR(address, SharedRuntime::montgomery_square);
      }
! #endif // WINDOWS
  #endif // COMPILER2
    }
  
   public:
    StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) {
--- 4268,4289 ----
        StubRoutines::_squareToLen = generate_squareToLen();
      }
      if (UseMulAddIntrinsic) {
        StubRoutines::_mulAdd = generate_mulAdd();
      }
!     
! // Visual Studio 2017 (and higher) has the compiler instrinisics required
! #if !(defined(_WINDOWS) && _MSC_VER < 1910)
      if (UseMontgomeryMultiplyIntrinsic) {
        StubRoutines::_montgomeryMultiply
          = CAST_FROM_FN_PTR(address, SharedRuntime::montgomery_multiply);
      }
      if (UseMontgomerySquareIntrinsic) {
        StubRoutines::_montgomerySquare
          = CAST_FROM_FN_PTR(address, SharedRuntime::montgomery_square);
      }
!     #endif //! VC++ < 2017
  #endif // COMPILER2
    }
  
   public:
    StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) {