test/compiler/6769124/TestUnalignedLoad6769124.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 1907
c18cbe5936b8
child 6876
710a3c8b516e
permissions
-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

     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  */
    25 /**
    26  * @test
    27  * @bug 6769124
    28  * @summary unaligned load may fail with c1 on 64 bit
    29  */
    31 public class TestUnalignedLoad6769124 {
    33     static long l1v = 0x200000003L;
    34     static long l2v = 0x400000005L;
    35     static double d1v = Double.MAX_VALUE;
    36     static double d2v = Double.MIN_VALUE;
    38     public static void main(String[] args) {
    39         long l1 = l1v;
    40         double d1 = d1v;
    41         long l2 = l2v;
    42         double d2 = d2v;
    44         // Run long enough to induce an OSR
    45         for (int i = 0; i < 10000000; i++) {
    46         }
    47         boolean error = false;
    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 }

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