Mercurial > hg > graal-compiler
view test/compiler/7048332/Test7048332.java @ 17780:606acabe7b5c
8031320: Use Intel RTM instructions for locks
Summary: Use RTM for inflated locks and stack locks.
Reviewed-by: iveresov, twisti, roland, dcubed
author | kvn |
---|---|
date | Thu, 20 Mar 2014 17:49:27 -0700 |
parents | c7c81f18c834 |
children |
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/* * Copyright (c) 2011, 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 7048332 * @summary Cadd_cmpLTMask doesn't handle 64-bit tmp register properly * * @run main/othervm -Xbatch Test7048332 */ public class Test7048332 { static int capacity = 2; static int first = 1; static int last = 2; static int test(int i1, int i2, int i3, int i4, int i5, int i6) { final int result; if (last >= first) { result = last - first; } else { result = last - first + capacity; } return result; } public static void main(String [] args) { for (int i = 0; i < 11000; i++) { last = (i & 1) << 1; // 0 or 2 int k = test(1, 2, 3, 4, 5, 6); if (k != 1) { System.out.println("FAILED: " + k + " != 1"); System.exit(97); } } } }