src/share/vm/runtime/arguments.cpp

*** 998,1007 ****
--- 998,1014 ----
      break;
    case _comp:
      UseInterpreter           = false;
      BackgroundCompilation    = false;
      ClipInlining             = false;
+     // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more.
+     // We will first compile a level 3 version, then do one invocation of it and 
+     // compile a level 4 and then continue executing it. 
+     if (TieredCompilation) {
+       Tier3InvokeNotifyFreqLog = 0;
+       Tier4InvocationThreshold = 0;
+     }
      break;
    }
  }
  
  // Conflict: required to use shared spaces (-Xshare:on), but