Mercurial > hg > graal-compiler
diff test/compiler/intrinsics/mathexact/MulExactICondTest.java @ 12972:59e8ad757e19
8026844: Various Math functions needs intrinsification
Reviewed-by: kvn, twisti
author | rbackman |
---|---|
date | Fri, 18 Oct 2013 10:41:56 +0200 |
parents | |
children | 9949533a8623 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/intrinsics/mathexact/MulExactICondTest.java Fri Oct 18 10:41:56 2013 +0200 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8026844 + * @summary Test multiplyExact as condition + * @compile MulExactICondTest.java + * @run main MulExactICondTest + * + */ + +public class MulExactICondTest { + public static int result = 0; + + public static void main(String[] args) { + for (int i = 0; i < 50000; ++i) { + runTest(); + } + } + + public static void runTest() { + int i = 7; + while (java.lang.Math.multiplyExact(i, result) < 89361) { + if ((java.lang.Math.multiplyExact(i, i) & 1) == 1) { + i += 3; + } else if ((i & 5) == 4) { + i += 7; + } else if ((i & 0xf) == 6) { + i += 2; + } else { + i += 1; + } + result += 2; + } + } +}