jdk8-mips64-public/hotspot: test/compiler/codegen/LoadWithMask2.java@fb9d124d9192

     1 /*

     2  * Copyright (c) 2014, Oracle and/or its affiliates. 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 8031743

    27  * @summary loadI2L_immI broken for negative memory values

    28  * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,*.foo* LoadWithMask2

    29  *

    30  */

    31 public class LoadWithMask2 {

    32   static int x;

    33   static long foo1() {

    34     return x & 0xfffffffe;

    35   }

    36   static long foo2() {

    37     return x & 0xff000000;

    38   }

    39   static long foo3() {

    40     return x & 0x8abcdef1;

    41   }

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

    44     x = -1;

    45     long l = 0;

    46     for (int i = 0; i < 100000; ++i) {

    47       l = foo1() & foo2() & foo3();

    48     }

    49     if (l > 0) {

    50       System.out.println("FAILED");

    51       System.exit(97);

    52     }

    53     System.out.println("PASSED");

    54   }

    55 }

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