Mercurial > hg > truffle
annotate test/compiler/6769124/TestDeoptInt6769124.java @ 19134:0b05bd821399
Factor the findSpecialCallTarget logic when canonicalizing MethodCallTarget nodes into a static method.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Wed, 04 Feb 2015 21:04:41 +0100 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 1060 | 1 /* |
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2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
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| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
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| 7 * published by the Free Software Foundation. | |
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| 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 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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parents:
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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parents:
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20 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
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21 * questions. |
| 1060 | 22 * |
| 23 */ | |
| 24 | |
| 25 /** | |
| 26 * @test | |
| 27 * @bug 6769124 | |
| 28 * @summary int value might not be correctly decoded on deopt with c1 on 64 bit | |
| 29 * | |
| 30 * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124 | |
| 31 */ | |
| 32 | |
| 33 public class TestDeoptInt6769124 { | |
| 34 | |
| 35 static class A { | |
| 36 volatile int vl; | |
| 37 A(int v) { | |
| 38 vl = v; | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 static void m(int b) { | |
| 43 A a = new A(10); | |
| 44 int c; | |
| 45 c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt | |
| 46 if(c != 20) { | |
| 47 System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20"); | |
| 48 throw new InternalError(); | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 public static void main(String[] args) { | |
| 53 m(10); | |
| 54 } | |
| 55 | |
| 56 } |