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

test/compiler/6796786/Test6796786.java@49b5160951dd (annotated)

test/compiler/6796786/Test6796786.java

Thu, 17 Apr 2014 16:09:08 -0700

author

amurillo

date

Thu, 17 Apr 2014 16:09:08 -0700

changeset 6635

49b5160951dd

parent 2879

37e4df3c8952

child 6876

710a3c8b516e

permissions

-rw-r--r--

Added tag hs25.20-b11 for changeset b6a2ba7d3ea7

never@2870	1	/*
never@2870	2	* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
never@2870	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@2870	4	*
never@2870	5	* This code is free software; you can redistribute it and/or modify it
never@2870	6	* under the terms of the GNU General Public License version 2 only, as
never@2870	7	* published by the Free Software Foundation.
never@2870	8	*
never@2870	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@2870	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@2870	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@2870	12	* version 2 for more details (a copy is included in the LICENSE file that
never@2870	13	* accompanied this code).
never@2870	14	*
never@2870	15	* You should have received a copy of the GNU General Public License version
never@2870	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@2870	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@2870	18	*
never@2870	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
never@2870	20	* or visit www.oracle.com if you need additional information or have any
never@2870	21	* questions.
never@2870	22	*
never@2870	23	*/
never@2870	24
never@2870	25	/**
never@2870	26	* @test
never@2870	27	* @bug 6796786
never@2870	28	* @summary invalid FP identity transform - (a - b) -> b - a
never@2870	29	*
kvn@2879	30	* @run main/othervm -Xbatch Test6796786
never@2870	31	*/
never@2870	32
never@2870	33	public class Test6796786 {
never@2870	34	static volatile float d1;
never@2870	35	static volatile float d2;
never@2870	36
never@2870	37	public static void main(String[] args) {
never@2870	38	int total = 0;
never@2870	39	for (int i = 0; i < 100000; i++) {
kvn@2879	40	if (Float.floatToRawIntBits(- (d1 - d2)) == Float.floatToRawIntBits(-0.0f)) {
never@2870	41	total++;
never@2870	42	}
never@2870	43	}
never@2870	44	if (total != 100000) {
never@2870	45	throw new InternalError();
never@2870	46	}
never@2870	47	}
never@2870	48	}