test/compiler/loopopts/superword/TestFuzzPreLoop.java

Tue, 10 Sep 2019 19:58:22 +0200

author
shade
date
Tue, 10 Sep 2019 19:58:22 +0200
changeset 9770
7d5c800dae75
parent 9769
13ba54363544
permissions
-rw-r--r--

8230813: Add JDK-8010500 to compiler/loopopts/superword/TestFuzzPreLoop.java bug list
Reviewed-by: zgu

     1 /*
     2  * Copyright (c) 2019, Red Hat, Inc. 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  */
    24 /*
    25  * @test
    26  * @bug 8134739 8010500
    27  * @summary SEGV in SuperWord::get_pre_loop_end
    28  * @run main/othervm compiler.loopopts.superword.TestFuzzPreLoop
    29  */
    31 package compiler.loopopts.superword;
    33 public class TestFuzzPreLoop {
    34     static Object sink;
    35     short sFld = -19206;
    37     void doTest() {
    38         int[] arr = new int[400];
    40         for (int i1 = 0; i1 < 200; i1++) {
    41             for (int i2 = 0; i2 < 100; i2++) {
    42                 sink = new int[400];
    43             }
    44             arr[i1] = 0;
    45         }
    47         float f1 = 0;
    48         for (int i3 = 0; i3 < 200; i3++) {
    49             f1 += i3 * i3;
    50         }
    51         for (int i4 = 0; i4 < 200; i4++) {
    52             f1 += i4 - sFld;
    53         }
    55         System.out.println(arr);
    56         System.out.println(f1);
    57     }
    59     public static void main(String... args) throws Exception {
    60         TestFuzzPreLoop test = new TestFuzzPreLoop();
    61         for (int i = 0; i < 100; i++) {
    62             test.doTest();
    63         }
    64     }
    65 }

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