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 // |reftest| skip -- bogus perf test (bug 540512)

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 //-----------------------------------------------------------------------------

 var BUGNUMBER = 451673;

 var summary = 'TM: Tracing prime number generation';

 var actual = '';

 var expect = '';

 //-----------------------------------------------------------------------------

 test();

 //-----------------------------------------------------------------------------

 function test()

 {

   enterFunc ('test');

   printBugNumber(BUGNUMBER);

   printStatus (summary);

   function doTest(enablejit)

   {

     if (enablejit)

       jit(true);

     else

       jit(false);

     var n = 1000000;

     var start = new Date();

     var i=0;

     var j=0;

     var numprimes=0;

     var limit=0;

     numprimes = 1; // 2 is prime

     var mceil = Math.floor;

     var msqrt = Math.sqrt;

     var isPrime = 1;

     for (i = 3; i<= n; i+=2)

     {

 	    isPrime=1;

 	    limit = mceil(msqrt(i)+1) + 1;

 	    for (j = 3; j < limit; j+=2)

       {

 		    if (i % j == 0)

         {

 			    isPrime = 0;

 			    break;

         }

       }

 	    if (isPrime)

       {

 		    numprimes ++;

       }

     }

     var end = new Date();

     var timetaken = end - start;

     timetaken = timetaken / 1000;

     if (enablejit)

       jit(false);

     print((enablejit ? '    JIT' : 'Non-JIT') + ": Number of primes up to: " + n + " is " + numprimes + ", counted in " + timetaken + " secs.");

     return timetaken;

   }

   var timenonjit = doTest(false);

   var timejit    = doTest(true);

   expect = true;

   actual = timejit < timenonjit;

   reportCompare(expect, actual, summary);

   exitFunc ('test');

 }