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

test/compiler/6663621/IVTest.java@dbb05f6d93c4 (annotated)

test/compiler/6663621/IVTest.java

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

author

fzhinkin

date

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

changeset 6997

dbb05f6d93c4

parent 1907

c18cbe5936b8

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

never@507	1	/*
trims@1907	2	* Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
kamg@612	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@507	4	*
kamg@612	5	* This code is free software; you can redistribute it and/or modify it
kamg@612	6	* under the terms of the GNU General Public License version 2 only, as
kamg@612	7	* published by the Free Software Foundation.
never@507	8	*
kamg@612	9	* This code is distributed in the hope that it will be useful, but WITHOUT
kamg@612	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
kamg@612	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
kamg@612	12	* version 2 for more details (a copy is included in the LICENSE file that
kamg@612	13	* accompanied this code).
never@507	14	*
kamg@612	15	* You should have received a copy of the GNU General Public License version
kamg@612	16	* 2 along with this work; if not, write to the Free Software Foundation,
kamg@612	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@507	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.
never@507	22	*
never@507	23	*/
never@507	24
never@507	25	/**
never@507	26	* @test
never@507	27	* @bug 6663621
never@507	28	* @summary JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests.
never@507	29	*/
never@507	30
never@507	31	public class IVTest {
never@507	32	static int paddedSize;
never@507	33
never@507	34	static void padV15(byte[] padded) {
never@507	35	int psSize = padded.length;
never@507	36	int k = 0;
never@507	37	while (psSize-- > 0) {
never@507	38	padded[k++] = (byte)0xff;
never@507	39	}
never@507	40	}
never@507	41
never@507	42	static void padV15_2(int paddedSize) {
never@507	43	byte[] padded = new byte[paddedSize];
never@507	44	int psSize = padded.length;
never@507	45	int k = 0;
never@507	46	while (psSize-- > 0) {
never@507	47	padded[k++] = (byte)0xff;
never@507	48	}
never@507	49	}
never@507	50
never@507	51	static void padV15_3() {
never@507	52	byte[] padded = new byte[paddedSize];
never@507	53	int psSize = padded.length;
never@507	54	int k = 0;
never@507	55	while (psSize-- > 0) {
never@507	56	padded[k++] = (byte)0xff;
never@507	57	}
never@507	58	}
never@507	59
never@507	60	static void padV15_4() {
never@507	61	byte[] padded = new byte[paddedSize];
never@507	62	int psSize = padded.length;
never@507	63	for (int k = 0;psSize > 0; psSize--) {
never@507	64	int i = padded.length - psSize;
never@507	65	padded[i] = (byte)0xff;
never@507	66	}
never@507	67	}
never@507	68
never@507	69	static void padV15_5() {
never@507	70	byte[] padded = new byte[paddedSize];
never@507	71	int psSize = padded.length;
never@507	72	int k = psSize - 1;
never@507	73	for (int i = 0; i < psSize; i++) {
never@507	74	padded[k--] = (byte)0xff;
never@507	75	}
never@507	76	}
never@507	77
never@507	78	public static void main(String argv[]) {
never@507	79	int bounds = 1024;
never@507	80	int lim = 500000;
never@507	81	long start = System.currentTimeMillis();
never@507	82	for (int j = 0; j < lim; j++) {
never@507	83	paddedSize = j % bounds;
never@507	84	padV15(new byte[paddedSize]);
never@507	85	}
never@507	86	long end = System.currentTimeMillis();
never@507	87	System.out.println(end - start);
never@507	88	start = System.currentTimeMillis();
never@507	89	for (int j = 0; j < lim; j++) {
never@507	90	paddedSize = j % bounds;
never@507	91	padV15_2(paddedSize);
never@507	92	}
never@507	93	end = System.currentTimeMillis();
never@507	94	System.out.println(end - start);
never@507	95	start = System.currentTimeMillis();
never@507	96	for (int j = 0; j < lim; j++) {
never@507	97	paddedSize = j % bounds;
never@507	98	padV15_3();
never@507	99	}
never@507	100	end = System.currentTimeMillis();
never@507	101	System.out.println(end - start);
never@507	102	start = System.currentTimeMillis();
never@507	103	for (int j = 0; j < lim; j++) {
never@507	104	paddedSize = j % bounds;
never@507	105	padV15_4();
never@507	106	}
never@507	107	end = System.currentTimeMillis();
never@507	108	System.out.println(end - start);
never@507	109	start = System.currentTimeMillis();
never@507	110	for (int j = 0; j < lim; j++) {
never@507	111	paddedSize = j % bounds;
never@507	112	padV15_5();
never@507	113	}
never@507	114	end = System.currentTimeMillis();
never@507	115	System.out.println(end - start);
never@507	116	}
never@507	117	}