Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/6769124/TestDeoptInt6769124.java@dbb05f6d93c4 (annotated)
test/compiler/6769124/TestDeoptInt6769124.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
| roland@1495 | 1 | /* |
| trims@1907 | 2 | * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
| roland@1495 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| roland@1495 | 4 | * |
| roland@1495 | 5 | * This code is free software; you can redistribute it and/or modify it |
| roland@1495 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| roland@1495 | 7 | * published by the Free Software Foundation. |
| roland@1495 | 8 | * |
| roland@1495 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| roland@1495 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| roland@1495 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| roland@1495 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| roland@1495 | 13 | * accompanied this code). |
| roland@1495 | 14 | * |
| roland@1495 | 15 | * You should have received a copy of the GNU General Public License version |
| roland@1495 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| roland@1495 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| roland@1495 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| roland@1495 | 22 | * |
| roland@1495 | 23 | */ |
| roland@1495 | 24 | |
| roland@1495 | 25 | /** |
| roland@1495 | 26 | * @test |
| roland@1495 | 27 | * @bug 6769124 |
| roland@1495 | 28 | * @summary int value might not be correctly decoded on deopt with c1 on 64 bit |
| roland@1495 | 29 | * |
| roland@1495 | 30 | * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124 |
| roland@1495 | 31 | */ |
| roland@1495 | 32 | |
| roland@1495 | 33 | public class TestDeoptInt6769124 { |
| roland@1495 | 34 | |
| roland@1495 | 35 | static class A { |
| roland@1495 | 36 | volatile int vl; |
| roland@1495 | 37 | A(int v) { |
| roland@1495 | 38 | vl = v; |
| roland@1495 | 39 | } |
| roland@1495 | 40 | } |
| roland@1495 | 41 | |
| roland@1495 | 42 | static void m(int b) { |
| roland@1495 | 43 | A a = new A(10); |
| roland@1495 | 44 | int c; |
| roland@1495 | 45 | c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt |
| roland@1495 | 46 | if(c != 20) { |
| roland@1495 | 47 | System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20"); |
| roland@1495 | 48 | throw new InternalError(); |
| roland@1495 | 49 | } |
| roland@1495 | 50 | } |
| roland@1495 | 51 | |
| roland@1495 | 52 | public static void main(String[] args) { |
| roland@1495 | 53 | m(10); |
| roland@1495 | 54 | } |
| roland@1495 | 55 | |
| roland@1495 | 56 | } |
