Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/5091921/Test6992759.java@dbb05f6d93c4 (annotated)
test/compiler/5091921/Test6992759.java
Mon, 28 Jul 2014 15:06:38 -0700
- author
- fzhinkin
- date
- Mon, 28 Jul 2014 15:06:38 -0700
- changeset 6997
- dbb05f6d93c4
- parent 4618
- 514efad5e81a
- 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
| kvn@2877 | 1 | /* |
| drchase@4618 | 2 | * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
| kvn@2877 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| kvn@2877 | 4 | * |
| kvn@2877 | 5 | * This code is free software; you can redistribute it and/or modify it |
| kvn@2877 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| kvn@2877 | 7 | * published by the Free Software Foundation. |
| kvn@2877 | 8 | * |
| kvn@2877 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| kvn@2877 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| kvn@2877 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| kvn@2877 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| kvn@2877 | 13 | * accompanied this code). |
| kvn@2877 | 14 | * |
| kvn@2877 | 15 | * You should have received a copy of the GNU General Public License version |
| kvn@2877 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| kvn@2877 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| kvn@2877 | 18 | * |
| kvn@2877 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| kvn@2877 | 20 | * or visit www.oracle.com if you need additional information or have any |
| kvn@2877 | 21 | * questions. |
| kvn@2877 | 22 | * |
| kvn@2877 | 23 | */ |
| kvn@2877 | 24 | |
| kvn@2877 | 25 | /** |
| kvn@2877 | 26 | * @test |
| kvn@2877 | 27 | * @bug 6992759 |
| kvn@2877 | 28 | * @summary Bad code generated for integer <= comparison, fails for Integer.MAX_VALUE |
| kvn@2877 | 29 | * |
| drchase@4618 | 30 | * @run main/timeout=240 Test6992759 |
| kvn@2877 | 31 | */ |
| kvn@2877 | 32 | |
| kvn@2877 | 33 | public class Test6992759 { |
| kvn@2877 | 34 | |
| kvn@2877 | 35 | static final int N_TESTS = 1000000000; |
| kvn@2877 | 36 | |
| kvn@2877 | 37 | public static void main(String[] args) throws Exception { |
| kvn@2877 | 38 | |
| kvn@2877 | 39 | /* |
| kvn@2877 | 40 | * If MAX_VALUE is changed to MAX_VALUE - 1 below, the test passes |
| kvn@2877 | 41 | * because (apparently) bad code is only generated when comparing |
| kvn@2877 | 42 | * <= MAX_VALUE in the doTest method. |
| kvn@2877 | 43 | */ |
| kvn@2877 | 44 | Test6992759 test = new Test6992759(); |
| kvn@2877 | 45 | for (int i = 0; i < N_TESTS; i += 1) { |
| kvn@2877 | 46 | test.doTest(10, Integer.MAX_VALUE, i); |
| kvn@2877 | 47 | //test.doTest(10, Integer.MAX_VALUE - 1, i); |
| kvn@2877 | 48 | } |
| kvn@2877 | 49 | System.out.println("No failure"); |
| kvn@2877 | 50 | } |
| kvn@2877 | 51 | |
| kvn@2877 | 52 | void doTest(int expected, int max, int i) { |
| kvn@2877 | 53 | int counted; |
| kvn@2877 | 54 | for (counted = 0; |
| kvn@2877 | 55 | (counted <= max) && (counted < expected); |
| kvn@2877 | 56 | counted += 1) { |
| kvn@2877 | 57 | } |
| kvn@2877 | 58 | if (counted != expected) { |
| kvn@2877 | 59 | throw new RuntimeException("Failed test iteration=" + i + |
| kvn@2877 | 60 | " max=" + max + |
| kvn@2877 | 61 | " counted=" + counted + |
| kvn@2877 | 62 | " expected=" + expected); |
| kvn@2877 | 63 | } |
| kvn@2877 | 64 | } |
| kvn@2877 | 65 | } |
| kvn@2877 | 66 |
