Thu, 29 Nov 2012 11:30:04 -0800
Added tag jdk8-b66 for changeset 01684f7fee1b
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | /** |
aoqi@0 | 26 | * @test |
aoqi@0 | 27 | * @bug 7199742 |
aoqi@0 | 28 | * @summary A lot of C2 OSR compilations of the same method's bci |
aoqi@0 | 29 | * |
aoqi@0 | 30 | * @run main/othervm -Xmx32m -Xbatch Test7199742 |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | public class Test7199742 { |
aoqi@0 | 34 | private static final int ITERS = 10000000; |
aoqi@0 | 35 | public static void main(String args[]) { |
aoqi@0 | 36 | Test7199742 t = new Test7199742(); |
aoqi@0 | 37 | for (int i=0; i<10; i++) { |
aoqi@0 | 38 | test(t, 7); |
aoqi@0 | 39 | } |
aoqi@0 | 40 | } |
aoqi@0 | 41 | static Test7199742 test(Test7199742 t, int m) { |
aoqi@0 | 42 | int i = -(ITERS/2); |
aoqi@0 | 43 | if (i == 0) return null; |
aoqi@0 | 44 | Test7199742 v = null; |
aoqi@0 | 45 | while(i < ITERS) { |
aoqi@0 | 46 | if ((i&m) == 0) { |
aoqi@0 | 47 | v = t; |
aoqi@0 | 48 | } |
aoqi@0 | 49 | i++; |
aoqi@0 | 50 | } |
aoqi@0 | 51 | return v; |
aoqi@0 | 52 | } |
aoqi@0 | 53 | } |
aoqi@0 | 54 |