src/cpu/x86/vm/vm_version_x86.cpp

*** 701,717 ****
--- 701,735 ----
  
  #ifdef _LP64
    if (FLAG_IS_DEFAULT(UseMultiplyToLenIntrinsic)) {
      UseMultiplyToLenIntrinsic = true;
    }
+   if (FLAG_IS_DEFAULT(UseMontgomeryMultiplyIntrinsic)) {
+     UseMontgomeryMultiplyIntrinsic = true;
+   }
+   if (FLAG_IS_DEFAULT(UseMontgomerySquareIntrinsic)) {
+     UseMontgomerySquareIntrinsic = true;
+   }
  #else
    if (UseMultiplyToLenIntrinsic) {
      if (!FLAG_IS_DEFAULT(UseMultiplyToLenIntrinsic)) {
        warning("multiplyToLen intrinsic is not available in 32-bit VM");
      }
      FLAG_SET_DEFAULT(UseMultiplyToLenIntrinsic, false);
    }
+   if (UseMontgomeryMultiplyIntrinsic) {
+     if (!FLAG_IS_DEFAULT(UseMontgomeryMultiplyIntrinsic)) {
+       warning("montgomeryMultiply intrinsic is not available in 32-bit VM");
+     }
+     FLAG_SET_DEFAULT(UseMontgomeryMultiplyIntrinsic, false);
+   }
+   if (UseMontgomerySquareIntrinsic) {
+     if (!FLAG_IS_DEFAULT(UseMontgomerySquareIntrinsic)) {
+       warning("montgomerySquare intrinsic is not available in 32-bit VM");
+     }
+     FLAG_SET_DEFAULT(UseMontgomerySquareIntrinsic, false);
+   }
  #endif
  #endif // COMPILER2
  
    // On new cpus instructions which update whole XMM register should be used
    // to prevent partial register stall due to dependencies on high half.