hotspot/test/compiler/6769124/TestUnalignedLoad6769124.java
changeset 4430 95b539dfa1e8
child 5547 f4b087cbb361
equal deleted inserted replaced
4429:d7eb4e2099aa 4430:95b539dfa1e8
       
     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  *
       
    23  */
       
    24 
       
    25 /**
       
    26  * @test
       
    27  * @bug 6769124
       
    28  * @summary unaligned load may fail with c1 on 64 bit
       
    29  */
       
    30 
       
    31 public class TestUnalignedLoad6769124 {
       
    32 
       
    33     static long l1v = 0x200000003L;
       
    34     static long l2v = 0x400000005L;
       
    35     static double d1v = Double.MAX_VALUE;
       
    36     static double d2v = Double.MIN_VALUE;
       
    37 
       
    38     public static void main(String[] args) {
       
    39         long l1 = l1v;
       
    40         double d1 = d1v;
       
    41         long l2 = l2v;
       
    42         double d2 = d2v;
       
    43 
       
    44         // Run long enough to induce an OSR
       
    45         for (int i = 0; i < 10000000; i++) {
       
    46         }
       
    47         boolean error = false;
       
    48 
       
    49         if (l1 != l1v) {
       
    50             System.out.println(l1 + " != " + l1v);
       
    51             error = true;
       
    52         }
       
    53         if (l2 != l2v) {
       
    54             System.out.println(l2 + " != " + l2v);
       
    55             error = true;
       
    56         }
       
    57         if (d1 != d1v) {
       
    58             System.out.println(d1 + " != " + d1v);
       
    59             error = true;
       
    60         }
       
    61         if (d2 != d2v) {
       
    62             System.out.println(d2 + " != " + d2v);
       
    63             error = true;
       
    64         }
       
    65         if (error) {
       
    66             throw new InternalError();
       
    67         }
       
    68     }
       
    69 }