Mercurial > hg > truffle
view test/compiler/6769124/TestDeoptInt6769124.java @ 17906:7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
Summary: CICompilerCount is updated in AdvancedThresholdPolicy::initialize, SimpleThresholdPolicy::initialize and NonTieredCompPolicy::initialize. A warning is printed if the usersets both, CICompilerCount and CICompilerCountPerCPU.
Reviewed-by: kvn, twisti
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>
author | anoll |
---|---|
date | Mon, 14 Apr 2014 08:24:28 +0200 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /** * @test * @bug 6769124 * @summary int value might not be correctly decoded on deopt with c1 on 64 bit * * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124 */ public class TestDeoptInt6769124 { static class A { volatile int vl; A(int v) { vl = v; } } static void m(int b) { A a = new A(10); int c; c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt if(c != 20) { System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20"); throw new InternalError(); } } public static void main(String[] args) { m(10); } }