jdk8-mips64-public/hotspot: test/compiler/6636138/Test2.java@9610b2a8ab4e

6829021: tests for 6636138 use UseSuperword instead of UseSuperWord
Summary: Remove the wrong flag -XX:+UseSuperword to fix the Nightly failure
Reviewed-by: kvn, never

     1 /*

     2  * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 /**

    25  * @test

    26  * @bug 6636138

    27  * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation.

    28  *

    29  * @run main/othervm -server -Xbatch -XX:CompileOnly=Test2.shift Test2

    30  */

    32 class Test2 {

    34     public static void init(int src[]) {

    35         // Initialize the array

    36         for (int i = 0; i < src.length; i++)

    37             src[i] = i;

    38     }

    40    public static void shift(int src[]) {

    41        //left-shift the array

    42        for (int i = src.length-1; i > 0; i--){

    43            int tmp  = src[i];

    44            src[i]   = src[i-1];

    45            src[i-1] = tmp;

    46        }

    47     }

    49     public static void verify(int src[]) {

    50         for (int i = 0; i < src.length; i++){

    51             int value = (i-1 + src.length)%src.length; // correct value after shifting

    52                 if (src[i] != value) {

    53                     System.out.println("Error: src["+i+"] should be "+ value + " instead of " + src[i]);

    54                     System.exit(-1);

    55                 }

    56         }

    57     }

    59     public static void test() {

    60         int[] src = new int[10];

    61         init(src);

    62         shift(src);

    63         verify(src);

    64     }

    66     public static void main(String[] args) {

    67         for (int i=0; i< 2000; i++)

    68             test();

    69     }

    70 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/compiler/6636138/Test2.java@9610b2a8ab4e

test/compiler/6636138/Test2.java