test/opt/add_revert2.js

Fri, 21 Dec 2012 16:36:24 -0400

author
jlaskey
date
Fri, 21 Dec 2012 16:36:24 -0400
changeset 3
da1e581c933b
child 7
5a1b0714df0e
permissions
-rw-r--r--

8005403: Open-source Nashorn
Reviewed-by: attila, hannesw, lagergren, sundar
Contributed-by: james.laskey@oracle.com, akhil.arora@oracle.com, andreas.woess@jku.at, attila.szegedi@oracle.com, hannes.wallnoefer@oracle.com, henry.jen@oracle.com, marcus.lagergren@oracle.com, pavel.semenov@oracle.com, pavel.stepanov@oracle.com, petr.hejl@oracle.com, petr.pisl@oracle.com, sundararajan.athijegannathan@oracle.com

jlaskey@3 1 /*
jlaskey@3 2 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
jlaskey@3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jlaskey@3 4 *
jlaskey@3 5 * This code is free software; you can redistribute it and/or modify it
jlaskey@3 6 * under the terms of the GNU General Public License version 2 only, as
jlaskey@3 7 * published by the Free Software Foundation.
jlaskey@3 8 *
jlaskey@3 9 * This code is distributed in the hope that it will be useful, but WITHOUT
jlaskey@3 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jlaskey@3 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jlaskey@3 12 * version 2 for more details (a copy is included in the LICENSE file that
jlaskey@3 13 * accompanied this code).
jlaskey@3 14 *
jlaskey@3 15 * You should have received a copy of the GNU General Public License version
jlaskey@3 16 * 2 along with this work; if not, write to the Free Software Foundation,
jlaskey@3 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jlaskey@3 18 *
jlaskey@3 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jlaskey@3 20 * or visit www.oracle.com if you need additional information or have any
jlaskey@3 21 * questions.
jlaskey@3 22 */
jlaskey@3 23
jlaskey@3 24 /**
jlaskey@3 25 * Example of an add function that gets specialized to doubles
jlaskey@3 26 * if run with --optimize flag set
jlaskey@3 27 */
jlaskey@3 28
jlaskey@3 29 function add(a,b) {
jlaskey@3 30 return a + b;
jlaskey@3 31 }
jlaskey@3 32
jlaskey@3 33
jlaskey@3 34 function bench() {
jlaskey@3 35 var sum = 1;
jlaskey@3 36 for (var x = 0 ; x < 5e7 ; x++) {
jlaskey@3 37 sum *= add(x, 17);
jlaskey@3 38 sum *= add(x, x); //can use same revert as 17?
jlaskey@3 39 }
jlaskey@3 40 return sum;
jlaskey@3 41 }
jlaskey@3 42
jlaskey@3 43 var d = new Date;
jlaskey@3 44 print(bench());
jlaskey@3 45 d = new Date - d;
jlaskey@3 46 print("took " + d + " ms");

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