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test/compiler/6910484/Test.java@dbb05f6d93c4 (annotated)

test/compiler/6910484/Test.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

kvn@1589	1	/*
kvn@1589	2	* Copyright 2009 SAP. All Rights Reserved.
kvn@1589	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
kvn@1589	4	*
kvn@1589	5	* This code is free software; you can redistribute it and/or modify it
kvn@1589	6	* under the terms of the GNU General Public License version 2 only, as
kvn@1589	7	* published by the Free Software Foundation.
kvn@1589	8	*
kvn@1589	9	* This code is distributed in the hope that it will be useful, but WITHOUT
kvn@1589	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
kvn@1589	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
kvn@1589	12	* version 2 for more details (a copy is included in the LICENSE file that
kvn@1589	13	* accompanied this code).
kvn@1589	14	*
kvn@1589	15	* You should have received a copy of the GNU General Public License version
kvn@1589	16	* 2 along with this work; if not, write to the Free Software Foundation,
kvn@1589	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
kvn@1589	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.
kvn@1589	22	*/
kvn@1589	23
kvn@1589	24	/**
kvn@1589	25	* @test
kvn@1589	26	* @bug 6910484
kvn@1589	27	* @summary incorrect integer optimization (loosing and op-r in a given example)
kvn@1589	28	*
kvn@1589	29	* @run main/othervm -Xbatch Test
kvn@1589	30	*/
kvn@1589	31
kvn@1589	32	public class Test {
kvn@1589	33
kvn@1589	34	public static void main(String[] args) {
kvn@1589	35	long iteration = 0;
kvn@1589	36	for(int i = 0; i <11000; i++) {
kvn@1589	37	iteration++;
kvn@1589	38	int result = test(255);
kvn@1589	39	if (result != 112) {
kvn@1589	40	System.out.println("expected 112, but got " + result + " after iteration " + iteration);
kvn@1589	41	System.exit(97);
kvn@1589	42	}
kvn@1589	43	}
kvn@1589	44	}
kvn@1589	45
kvn@1589	46	private static int test(int x) {
kvn@1589	47	return (x & -32) / 2;
kvn@1589	48	}
kvn@1589	49
kvn@1589	50	}