Mercurial > hg > graal-compiler
view test/compiler/codegen/LoadWithMask2.java @ 14693:9e9af3aa4278
8031321: Support Intel bit manipulation instructions
Summary: Add support for BMI1 instructions
Reviewed-by: kvn, roland
author | iveresov |
---|---|
date | Wed, 12 Mar 2014 11:24:26 -0700 |
parents | 7e8bd81ce93e |
children |
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/* * Copyright (c) 2014, 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 8031743 * @summary loadI2L_immI broken for negative memory values * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,*.foo* LoadWithMask2 * */ public class LoadWithMask2 { static int x; static long foo1() { return x & 0xfffffffe; } static long foo2() { return x & 0xff000000; } static long foo3() { return x & 0x8abcdef1; } public static void main(String[] args) { x = -1; long l = 0; for (int i = 0; i < 100000; ++i) { l = foo1() & foo2() & foo3(); } if (l > 0) { System.out.println("FAILED"); System.exit(97); } System.out.println("PASSED"); } }