src/cpu/ppc/vm/vm_version_ppc.cpp

*** 171,180 ****
--- 171,186 ----
      if (!FLAG_IS_DEFAULT(UseCRC32CIntrinsics))
        warning("CRC32C intrinsics are not available on this CPU");
      FLAG_SET_DEFAULT(UseCRC32CIntrinsics, false);
    }
  
+   if (UseOnSpinWaitIntrinsic) {
+     if (!FLAG_IS_DEFAULT(UseOnSpinWaitIntrinsic))
+       warning("onSpinWait intrinsic is not available on this CPU");
+     FLAG_SET_DEFAULT(UseOnSpinWaitIntrinsic, false);
+   }
+ 
    // The AES intrinsic stubs require AES instruction support.
    if (UseAES) {
      warning("AES instructions are not available on this CPU");
      FLAG_SET_DEFAULT(UseAES, false);
    }