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/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2021, Arm Limited. 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.
*/
package compiler.c2.irTests;
import jdk.test.lib.Asserts;
import compiler.lib.ir_framework.*;
/*
* @test
* @bug 8275847
* @requires vm.compiler2.enabled
* @summary Test that small method with runtime calls can be scheduled.
* @library /test/lib /
* @run driver compiler.c2.irTests.TestScheduleSmallMethod
*/
public class TestScheduleSmallMethod {
public static void main(String[] args) {
TestFramework framework = new TestFramework();
Scenario schedulerOn = new Scenario(0, "-XX:+OptoScheduling");
Scenario schedulerOff = new Scenario(1, "-XX:-OptoScheduling");
framework.addScenarios(schedulerOn, schedulerOff).start();
}
@Test
public double testSmallMethodTwoRuntimeCalls(double value) {
// The two intrinsified Math calls below caused the scheduler to
// bail out with "too many D-U pinch points". See bug 8275847.
return Math.log(Math.sin(value));
}
@Run(test = "testSmallMethodTwoRuntimeCalls")
public void checkTestSmallMethodTwoRuntimeCalls() throws Throwable {
Asserts.assertLessThan(testSmallMethodTwoRuntimeCalls(Math.PI/2), 0.00001);
}
}
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