Mercurial > hg > graal-compiler
view test/compiler/6863155/Test6863155.java @ 1378:9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
Reviewed-by: twisti
author | never |
---|---|
date | Thu, 15 Apr 2010 18:14:49 -0700 |
parents | 52898b0c43e9 |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2009 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 6863155 * @summary Server compiler generates incorrect code (x86, long, bitshift, bitmask) * * @run main/othervm -Xcomp -XX:CompileOnly=Test6863155.test Test6863155 */ public class Test6863155 { private static long test(byte b) { return b << 24 & 0xff000000L; } public static void main(String... args) { long result = test((byte) 0xc2); long expected = 0x00000000c2000000L; if (result != expected) throw new InternalError(Long.toHexString(result) + " != " + Long.toHexString(expected)); } }