test/hotspot/jtreg/compiler/loopopts/superword/TestFuzzPreLoop.java
author shade
Tue, 10 Sep 2019 19:58:22 +0200
changeset 58079 8db87a43a1ce
parent 57976 47ce198d5cf1
child 58679 9c3209ff7550
permissions -rw-r--r--
8230813: Add JDK-8010500 to compiler/loopopts/superword/TestFuzzPreLoop.java bug list Reviewed-by: zgu
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/*
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 * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 8134739 8010500
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 * @summary SEGV in SuperWord::get_pre_loop_end
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 * @run main/othervm compiler.loopopts.superword.TestFuzzPreLoop
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 */
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package compiler.loopopts.superword;
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public class TestFuzzPreLoop {
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    static Object sink;
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    short sFld = -19206;
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    void doTest() {
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        int[] arr = new int[400];
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        for (int i1 = 0; i1 < 200; i1++) {
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            for (int i2 = 0; i2 < 100; i2++) {
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                sink = new int[400];
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            }
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            arr[i1] = 0;
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        }
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        float f1 = 0;
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        for (int i3 = 0; i3 < 200; i3++) {
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            f1 += i3 * i3;
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        }
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        for (int i4 = 0; i4 < 200; i4++) {
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            f1 += i4 - sFld;
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        }
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        System.out.println(arr);
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        System.out.println(f1);
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    }
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    public static void main(String... args) throws Exception {
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        TestFuzzPreLoop test = new TestFuzzPreLoop();
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        for (int i = 0; i < 100; i++) {
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            test.doTest();
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        }
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    }
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}