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test/compiler/8011901/Test8011901.java@2bac854670c0 (annotated)

test/compiler/8011901/Test8011901.java

Wed, 22 Jan 2014 12:37:28 -0800

author

katleman

date

Wed, 22 Jan 2014 12:37:28 -0800

changeset 6575

2bac854670c0

parent 0

f90c822e73f8

permissions

-rw-r--r--

Added tag jdk8u5-b05 for changeset b90de55aca30

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8011901
aoqi@0	27	* @summary instruct xaddL_no_res shouldn't allow 64 bit constants.
aoqi@0	28	* @run main/othervm -XX:-BackgroundCompilation Test8011901
aoqi@0	29	*
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import java.lang.reflect.*;
aoqi@0	33	import sun.misc.*;
aoqi@0	34
aoqi@0	35	public class Test8011901 {
aoqi@0	36
aoqi@0	37	private long ctl;
aoqi@0	38
aoqi@0	39	private static final sun.misc.Unsafe U;
aoqi@0	40	private static final long CTL;
aoqi@0	41
aoqi@0	42	static {
aoqi@0	43	try {
aoqi@0	44	Field unsafe = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
aoqi@0	45	unsafe.setAccessible(true);
aoqi@0	46	U = (sun.misc.Unsafe) unsafe.get(null);
aoqi@0	47	CTL = U.objectFieldOffset(Test8011901.class.getDeclaredField("ctl"));
aoqi@0	48	} catch (Exception e) {
aoqi@0	49	throw new Error(e);
aoqi@0	50	}
aoqi@0	51	}
aoqi@0	52
aoqi@0	53	public static void main(String[] args) {
aoqi@0	54	for(int c = 0; c < 20000; c++) {
aoqi@0	55	new Test8011901().makeTest();
aoqi@0	56	}
aoqi@0	57	System.out.println("Test Passed");
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	public static final long EXPECTED = 1L << 42;
aoqi@0	61
aoqi@0	62	public void makeTest() {
aoqi@0	63	U.getAndAddLong(this, CTL, EXPECTED);
aoqi@0	64	if (ctl != EXPECTED) {
aoqi@0	65	throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl);
aoqi@0	66	}
aoqi@0	67	}
aoqi@0	68	}