Mercurial > hg > graal-compiler
view test/compiler/6443505/Test6443505.java @ 12488:1a4dc163cd0a
abstracted HotSpotGraalRuntime as a RuntimeProvider which removes the recent selector addition to the Graal capabilities API and also makes Truffle independent of the graal.hotspot project (GRAAL-363)
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 18 Oct 2013 18:23:14 +0200 |
parents | 886d1fd67dc3 |
children |
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/* * 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 6443505 * @summary Some cases for CmpLTMask missed; also wrong code. * * @run main/othervm -Xcomp -XX:CompileOnly="Test6443505.compiled" Test6443505 */ public class Test6443505 { public static void main(String[] args) throws InterruptedException { test(Integer.MIN_VALUE, 0); test(0, Integer.MIN_VALUE); test(Integer.MIN_VALUE, -1); test(-1, Integer.MIN_VALUE); test(Integer.MIN_VALUE, 1); test(1, Integer.MIN_VALUE); test(Integer.MAX_VALUE, 0); test(0, Integer.MAX_VALUE); test(Integer.MAX_VALUE, -1); test(-1, Integer.MAX_VALUE); test(Integer.MAX_VALUE, 1); test(1, Integer.MAX_VALUE); test(Integer.MIN_VALUE, Integer.MAX_VALUE); test(Integer.MAX_VALUE, Integer.MIN_VALUE); test(1, -1); test(1, 0); test(1, 1); test(-1, -1); test(-1, 0); test(-1, 1); test(0, -1); test(0, 0); test(0, 1); } public static void test(int a, int b) throws InterruptedException { int C = compiled(4, a, b); int I = interpreted(4, a, b); if (C != I) { System.err.println("#1 C = " + C + ", I = " + I); System.err.println("#1 C != I, FAIL"); System.exit(97); } C = compiled(a, b, q, 4); I = interpreted(a, b, q, 4); if (C != I) { System.err.println("#2 C = " + C + ", I = " + I); System.err.println("#2 C != I, FAIL"); System.exit(97); } } static int q = 4; // If improperly compiled, uses carry/borrow bit, which is wrong. // with -XX:+PrintOptoAssembly, look for cadd_cmpLTMask static int compiled(int p, int x, int y) { return (x < y) ? q + (x - y) : (x - y); } // interpreted reference static int interpreted(int p, int x, int y) { return (x < y) ? q + (x - y) : (x - y); } // Test new code with a range of cases // with -XX:+PrintOptoAssembly, look for and_cmpLTMask static int compiled(int x, int y, int q, int p) { return (x < y) ? p + q : q; } // interpreted reference static int interpreted(int x, int y, int q, int p) { return (x < y) ? p + q : q; } }