Mercurial > hg > graal-jvmci-8
diff test/compiler/6778657/Test.java @ 508:6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
Summary: Replaces SharedRuntime::f2i et al with versions that should work
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | kvn |
---|---|
date | Mon, 22 Dec 2008 15:43:02 -0800 |
parents | |
children | 0fbdb4381b99 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6778657/Test.java Mon Dec 22 15:43:02 2008 -0800 @@ -0,0 +1,75 @@ +/* + * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +/* + * @test + * @bug 6778657 + * @summary Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour + */ + +public class Test { + public static void check_f2i(int expect) { + float check = expect; + check *= 2; + int actual = (int) check; + if (actual != expect) + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + + public static void check_f2l(long expect) { + float check = expect; + check *= 2; + long actual = (long) check; + if (actual != expect) + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + + public static void check_d2i(int expect) { + double check = expect; + check *= 2; + int actual = (int) check; + if (actual != expect) + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + + public static void check_d2l(long expect) { + double check = expect; + check *= 2; + long actual = (long) check; + if (actual != expect) + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + + public static void main(String[] args) { + check_f2i(Integer.MAX_VALUE); + check_f2i(Integer.MIN_VALUE); + check_f2l(Long.MAX_VALUE); + check_f2l(Long.MIN_VALUE); + check_d2i(Integer.MAX_VALUE); + check_d2i(Integer.MIN_VALUE); + check_d2l(Long.MAX_VALUE); + check_d2l(Long.MIN_VALUE); + } +} +