1 /*
   2  * Copyright (c) 2009, 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 /**
  26  * @test
  27  * @bug 6769124
  28  * @summary unaligned load may fail with c1 on 64 bit
  29  *
  30  * @run main compiler.c1.TestUnalignedLoad
  31  */
  32 
  33 package compiler.c1;
  34 
  35 public class TestUnalignedLoad {
  36 
  37     static long l1v = 0x200000003L;
  38     static long l2v = 0x400000005L;
  39     static double d1v = Double.MAX_VALUE;
  40     static double d2v = Double.MIN_VALUE;
  41 
  42     public static void main(String[] args) {
  43         long l1 = l1v;
  44         double d1 = d1v;
  45         long l2 = l2v;
  46         double d2 = d2v;
  47 
  48         // Run long enough to induce an OSR
  49         for (int i = 0; i < 10000000; i++) {
  50         }
  51         boolean error = false;
  52 
  53         if (l1 != l1v) {
  54             System.out.println(l1 + " != " + l1v);
  55             error = true;
  56         }
  57         if (l2 != l2v) {
  58             System.out.println(l2 + " != " + l2v);
  59             error = true;
  60         }
  61         if (d1 != d1v) {
  62             System.out.println(d1 + " != " + d1v);
  63             error = true;
  64         }
  65         if (d2 != d2v) {
  66             System.out.println(d2 + " != " + d2v);
  67             error = true;
  68         }
  69         if (error) {
  70             throw new InternalError();
  71         }
  72     }
  73 }