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  */
  23 
  24 /*
  25  * @test
  26  * @bug 8031743
  27  * @summary loadI2L_immI broken for negative memory values
  28  *
  29  * @run main/othervm -Xbatch
  30  *      -XX:CompileCommand=compileonly,compiler.codegen.LoadWithMask2::foo*
  31  *      compiler.codegen.LoadWithMask2
  32  */
  33 
  34 package compiler.codegen;
  35 
  36 public class LoadWithMask2 {
  37     static int x;
  38 
  39     static long foo1() {
  40         return x & 0xfffffffe;
  41     }
  42 
  43     static long foo2() {
  44         return x & 0xff000000;
  45     }
  46 
  47     static long foo3() {
  48         return x & 0x8abcdef1;
  49     }
  50 
  51     public static void main(String[] args) {
  52         x = -1;
  53         long l = 0;
  54         for (int i = 0; i < 100000; ++i) {
  55             l = foo1() & foo2() & foo3();
  56         }
  57         if (l > 0) {
  58             System.out.println("FAILED");
  59             System.exit(97);
  60         }
  61         System.out.println("PASSED");
  62     }
  63 }