Mercurial > jdk8-mips64-public > hotspot / changeset

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/loopopts/superword/TestFuzzPreLoop.java	Mon Sep 16 12:02:41 2019 +0200
     1.3 @@ -0,0 +1,65 @@
     1.4 +/*
     1.5 + * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 8134739
    1.30 + * @summary SEGV in SuperWord::get_pre_loop_end
    1.31 + * @run main/othervm compiler.loopopts.superword.TestFuzzPreLoop
    1.32 + */
    1.33 +
    1.34 +package compiler.loopopts.superword;
    1.35 +
    1.36 +public class TestFuzzPreLoop {
    1.37 +    static Object sink;
    1.38 +    short sFld = -19206;
    1.39 +
    1.40 +    void doTest() {
    1.41 +        int[] arr = new int[400];
    1.42 +
    1.43 +        for (int i1 = 0; i1 < 200; i1++) {
    1.44 +            for (int i2 = 0; i2 < 100; i2++) {
    1.45 +                sink = new int[400];
    1.46 +            }
    1.47 +            arr[i1] = 0;
    1.48 +        }
    1.49 +
    1.50 +        float f1 = 0;
    1.51 +        for (int i3 = 0; i3 < 200; i3++) {
    1.52 +            f1 += i3 * i3;
    1.53 +        }
    1.54 +        for (int i4 = 0; i4 < 200; i4++) {
    1.55 +            f1 += i4 - sFld;
    1.56 +        }
    1.57 +
    1.58 +        System.out.println(arr);
    1.59 +        System.out.println(f1);
    1.60 +    }
    1.61 +
    1.62 +    public static void main(String... args) throws Exception {
    1.63 +        TestFuzzPreLoop test = new TestFuzzPreLoop();
    1.64 +        for (int i = 0; i < 100; i++) {
    1.65 +            test.doTest();
    1.66 +        }
    1.67 +    }
    1.68 +}