Mercurial > hg > graal-compiler
view test/compiler/6826736/Test.java @ 1378:9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
Reviewed-by: twisti
author | never |
---|---|
date | Thu, 15 Apr 2010 18:14:49 -0700 |
parents | 2b9164d13ce9 |
children | c18cbe5936b8 |
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/* * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ /** * @test * @bug 6826736 * @summary CMS: core dump with -XX:+UseCompressedOops * * @run main/othervm/timeout=600 -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+ScavengeALot -XX:+UseCompressedOops -XX:HeapBaseMinAddress=32g -XX:CompileThreshold=100 -XX:CompileOnly=Test.test -XX:-BlockLayoutRotateLoops -XX:LoopUnrollLimit=0 Test */ public class Test { int[] arr; int[] arr2; int test(int r) { for (int i = 0; i < 100; i++) { for (int j = i; j < 100; j++) { int a = 0; for (long k = 0; k < 100; k++) { a += k; } if (arr != null) a = arr[j]; r += a; } } return r; } public static void main(String[] args) { int r = 0; Test t = new Test(); for (int i = 0; i < 100; i++) { t.arr = new int[100]; r = t.test(r); } System.out.println("Warmup 1 is done."); for (int i = 0; i < 100; i++) { t.arr = null; r = t.test(r); } System.out.println("Warmup 2 is done."); for (int i = 0; i < 100; i++) { t.arr = new int[100]; r = t.test(r); } System.out.println("Warmup is done."); for (int i = 0; i < 100; i++) { t.arr = new int[1000000]; t.arr = null; r = t.test(r); } } }