8021775: compiler/8009761/Test8009761.java "Failed: init recursive calls: 51. After deopt 50"
Summary: Reimplemented the test using the Whitebox API to deterministically trigger compilation and deoptimization. Now allowing number of recursive calls to vary by 1.
Reviewed-by: twisti, roland, iignatyev
/** Copyright (c) 2013, 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 TestUseCompressedOopsErgo * @key gc * @bug 8010722 * @summary Tests ergonomics for UseCompressedOops. * @library /testlibrary /testlibrary/whitebox * @build TestUseCompressedOopsErgo TestUseCompressedOopsErgoTools * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm TestUseCompressedOopsErgo -XX:+UseG1GC * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC -XX:-UseParallelOldGC * @run main/othervm TestUseCompressedOopsErgo -XX:+UseConcMarkSweepGC * @run main/othervm TestUseCompressedOopsErgo -XX:+UseSerialGC */public class TestUseCompressedOopsErgo { public static void main(String args[]) throws Exception { if (!TestUseCompressedOopsErgoTools.is64bitVM()) { // this test is relevant for 64 bit VMs only return; } final String[] gcFlags = args; TestUseCompressedOopsErgoTools.checkCompressedOopsErgo(gcFlags); }}