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test/compiler/6636138/Test1.java@dbb05f6d93c4 (annotated)

test/compiler/6636138/Test1.java

Mon, 28 Jul 2014 15:06:38 -0700

author

fzhinkin

date

Mon, 28 Jul 2014 15:06:38 -0700

changeset 6997

dbb05f6d93c4

parent 6198

55fb97c4c58d

child 6876

710a3c8b516e

permissions

-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

cfang@1102	1	/*
mikael@6198	2	* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
cfang@1102	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
cfang@1102	4	*
cfang@1102	5	* This code is free software; you can redistribute it and/or modify it
cfang@1102	6	* under the terms of the GNU General Public License version 2 only, as
cfang@1102	7	* published by the Free Software Foundation.
cfang@1102	8	*
cfang@1102	9	* This code is distributed in the hope that it will be useful, but WITHOUT
cfang@1102	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
cfang@1102	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
cfang@1102	12	* version 2 for more details (a copy is included in the LICENSE file that
cfang@1102	13	* accompanied this code).
cfang@1102	14	*
cfang@1102	15	* You should have received a copy of the GNU General Public License version
cfang@1102	16	* 2 along with this work; if not, write to the Free Software Foundation,
cfang@1102	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
cfang@1102	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
cfang@1102	22	*/
cfang@1102	23
cfang@1102	24	/**
cfang@1102	25	* @test
cfang@1102	26	* @bug 6636138
cfang@1102	27	* @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation.
cfang@1102	28	*
collins@4684	29	* @run main/othervm -Xbatch -XX:CompileOnly=Test1.init Test1
cfang@1102	30	*/
cfang@1102	31
twisti@1212	32	public class Test1 {
cfang@1102	33
cfang@1102	34	public static void init(int src[], int [] dst, int[] ref) {
cfang@1102	35	// initialize the arrays
cfang@1102	36	for (int i =0; i<src.length; i++) {
cfang@1102	37	src[i] = i;
cfang@1102	38	dst[i] = 2; // yes, dst[i] needed(otherwise src[i] will be replaced with i)
cfang@1102	39	ref[i] = src[i]; // src[i] depends on the store src[i]
cfang@1102	40	}
cfang@1102	41	}
cfang@1102	42
cfang@1102	43	public static void verify(int src[], int[] ref) {
cfang@1102	44	// check whether src and ref are equal
cfang@1102	45	for (int i = 0; i < src.length; i++) {
cfang@1102	46	if (src[i] != ref[i]) {
cfang@1102	47	System.out.println("Error: src and ref don't match at " + i);
cfang@1387	48	System.exit(97);
cfang@1102	49	}
cfang@1102	50	}
cfang@1102	51	}
cfang@1102	52
cfang@1102	53	public static void test() {
cfang@1102	54	int[] src = new int[34];
cfang@1102	55	int[] dst = new int[34];
cfang@1102	56	int[] ref = new int[34];
cfang@1102	57
cfang@1102	58	init(src, dst, ref);
cfang@1102	59	verify(src, ref);
cfang@1102	60	}
cfang@1102	61
cfang@1102	62	public static void main(String[] args) {
cfang@1102	63	for (int i=0; i< 2000; i++) {
cfang@1102	64	test();
cfang@1102	65	}
cfang@1102	66	}
cfang@1102	67	}