7ce7e1b3d7
Reviewed-by: kvn
95 lines
3.1 KiB
Java
95 lines
3.1 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2019 SAP SE. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8217990
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* @summary With -XX:+UseOptoBiasInlining loading the markword is replaced by 0L if EliminateLocks is disabled. assert(dmw->is_neutral()) failed: invariant fails.
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* @author Richard Reingruber richard DOT reingruber AT sap DOT com
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*
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* @library /test/lib /test/hotspot/jtreg
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*
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* @build sun.hotspot.WhiteBox
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* @build ClassFileInstaller
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*
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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*
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions
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* -XX:CompileCommand=compileonly,*.TestUseOptoBiasInliningWithoutEliminateLocks::dontinline_testMethod
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* -XX:CompileCommand=dontinline,*::dontinline_*
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* -XX:-EliminateLocks
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
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* -Xbatch
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* -XX:-TieredCompilation
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* compiler.c2.TestUseOptoBiasInliningWithoutEliminateLocks
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*/
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package compiler.c2;
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import sun.hotspot.WhiteBox;
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public class TestUseOptoBiasInliningWithoutEliminateLocks {
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public static final WhiteBox WB = WhiteBox.getWhiteBox();
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public static void main(String[] args) {
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new TestUseOptoBiasInliningWithoutEliminateLocks().run();
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}
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public boolean warmupDone;
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public void run() {
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for(int i = 0; i < 30000; i++) {
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dontinline_testMethod();
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}
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warmupDone = true;
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dontinline_testMethod();
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}
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public void dontinline_testMethod() {
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PointXY l1 = new PointXY(4.0f, 2.0f);
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synchronized (l1) {
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dontinline_deopt();
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}
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}
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public void dontinline_deopt() {
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if (warmupDone) {
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WB.deoptimizeFrames(false);
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}
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}
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static class PointXY {
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public float fritz;
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public float felix;
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public PointXY(float fritz_param, float felix_param) {
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this.fritz = fritz_param;
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// this.felix = felix_param;
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}
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}
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}
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