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/*
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019 SAP SE. 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 8217990
* @summary With -XX:+UseOptoBiasInlining loading the markword is replaced by 0L if EliminateLocks is disabled. assert(dmw->is_neutral()) failed: invariant fails.
* @author Richard Reingruber richard DOT reingruber AT sap DOT com
*
* @library /test/lib /test/hotspot/jtreg
*
* @build sun.hotspot.WhiteBox
* @build ClassFileInstaller
*
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
*
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions
* -XX:CompileCommand=compileonly,*.TestUseOptoBiasInliningWithoutEliminateLocks::dontinline_testMethod
* -XX:CompileCommand=dontinline,*::dontinline_*
* -XX:-EliminateLocks
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
* -Xbatch
* -XX:-TieredCompilation
* compiler.c2.TestUseOptoBiasInliningWithoutEliminateLocks
*/
package compiler.c2;
import sun.hotspot.WhiteBox;
public class TestUseOptoBiasInliningWithoutEliminateLocks {
public static final WhiteBox WB = WhiteBox.getWhiteBox();
public static void main(String[] args) {
new TestUseOptoBiasInliningWithoutEliminateLocks().run();
}
public boolean warmupDone;
public void run() {
for(int i = 0; i < 30000; i++) {
dontinline_testMethod();
}
warmupDone = true;
dontinline_testMethod();
}
public void dontinline_testMethod() {
PointXY l1 = new PointXY(4.0f, 2.0f);
synchronized (l1) {
dontinline_deopt();
}
}
public void dontinline_deopt() {
if (warmupDone) {
WB.deoptimizeFrames(false);
}
}
static class PointXY {
public float fritz;
public float felix;
public PointXY(float fritz_param, float felix_param) {
this.fritz = fritz_param;
// this.felix = felix_param;
}
}
}
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