1 /* 2 * Copyright (c) 2019, Loongson Technology Co. Ltd. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8224162 27 * @summary Profile counter for a call site may overflow. 28 * @run main/othervm -Xbatch -XX:-UseOnStackReplacement -XX:MaxTrivialSize=0 compiler.profiling.TestProfileCounterOverflow 29 */ 30 31 package compiler.profiling; 32 33 public class TestProfileCounterOverflow { 34 public static void test(long iterations) { 35 for (long j = 0; j < iterations; j++) { 36 call(); 37 } 38 } 39 40 public static void call() {} 41 42 public static void main(String[] args) { 43 // trigger profiling on tier3 44 for (int i = 0; i < 500; i++) { 45 test(1); 46 } 47 48 test(Integer.MAX_VALUE + 10000L); // overflow call counter 49 50 // trigger c2 compilation 51 for (int i = 0; i < 10_000; i++) { 52 test(1); 53 } 54 System.out.println("TEST PASSED"); 55 } 56 }