• file
• revisions
• annotate
• diff
• comparison
• raw

test/compiler/5091921/Test6905845.java@dbb05f6d93c4 (annotated)

test/compiler/5091921/Test6905845.java

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

author

fzhinkin

date

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

changeset 6997

dbb05f6d93c4

parent 4618

514efad5e81a

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

kvn@2877	1	/*
drchase@4618	2	* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
kvn@2877	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
kvn@2877	4	*
kvn@2877	5	* This code is free software; you can redistribute it and/or modify it
kvn@2877	6	* under the terms of the GNU General Public License version 2 only, as
kvn@2877	7	* published by the Free Software Foundation.
kvn@2877	8	*
kvn@2877	9	* This code is distributed in the hope that it will be useful, but WITHOUT
kvn@2877	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
kvn@2877	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
kvn@2877	12	* version 2 for more details (a copy is included in the LICENSE file that
kvn@2877	13	* accompanied this code).
kvn@2877	14	*
kvn@2877	15	* You should have received a copy of the GNU General Public License version
kvn@2877	16	* 2 along with this work; if not, write to the Free Software Foundation,
kvn@2877	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
kvn@2877	18	*
kvn@2877	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
kvn@2877	20	* or visit www.oracle.com if you need additional information or have any
kvn@2877	21	* questions.
kvn@2877	22	*
kvn@2877	23	*/
kvn@2877	24
kvn@2877	25	/**
kvn@2877	26	* @test
kvn@2877	27	* @bug 6905845
kvn@2877	28	* @summary Server VM improperly optimizing away loop.
kvn@2877	29	*
drchase@4618	30	* @run main/timeout=480 Test6905845
kvn@2877	31	*/
kvn@2877	32
kvn@2877	33	public class Test6905845 {
kvn@2877	34
kvn@2877	35	public static void main(String[] args){
kvn@2877	36	for (int asdf = 0; asdf < 5; asdf++){
kvn@2877	37	//test block
kvn@2877	38	{
kvn@2877	39	StringBuilder strBuf1 = new StringBuilder(65);
kvn@2877	40	long start = System.currentTimeMillis();
kvn@2877	41	int count = 0;
kvn@2877	42
kvn@2877	43	for (int i = Integer.MIN_VALUE; i < (Integer.MAX_VALUE - 80); i += 79){
kvn@2877	44	strBuf1.append(i);
kvn@2877	45	count++;
kvn@2877	46	strBuf1.delete(0, 65);
kvn@2877	47	}
kvn@2877	48
kvn@2877	49	System.out.println(count);
kvn@2877	50	if (count != 54366674) {
kvn@2877	51	System.out.println("wrong count: " + count +", should be 54366674");
kvn@2877	52	System.exit(97);
kvn@2877	53	}
kvn@2877	54	}
kvn@2877	55	//test block
kvn@2877	56	{
kvn@2877	57	StringBuilder strBuf1 = new StringBuilder(65);
kvn@2877	58	long start = System.currentTimeMillis();
kvn@2877	59	int count = 0;
kvn@2877	60
kvn@2877	61	for (int i = Integer.MIN_VALUE; i < (Integer.MAX_VALUE - 80); i += 79){
kvn@2877	62	strBuf1.append(i);
kvn@2877	63	count++;
kvn@2877	64	strBuf1.delete(0, 65);
kvn@2877	65	}
kvn@2877	66
kvn@2877	67	System.out.println(count);
kvn@2877	68	if (count != 54366674) {
kvn@2877	69	System.out.println("wrong count: " + count +", should be 54366674");
kvn@2877	70	System.exit(97);
kvn@2877	71	}
kvn@2877	72	}
kvn@2877	73	}
kvn@2877	74	}
kvn@2877	75	}
kvn@2877	76