1 /* 2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 6769124 28 * @summary unaligned load may fail with c1 on 64 bit 29 * 30 * @run main compiler.c1.TestUnalignedLoad 31 */ 32 33 package compiler.c1; 34 35 public class TestUnalignedLoad { 36 37 static long l1v = 0x200000003L; 38 static long l2v = 0x400000005L; 39 static double d1v = Double.MAX_VALUE; 40 static double d2v = Double.MIN_VALUE; 41 42 public static void main(String[] args) { 43 long l1 = l1v; 44 double d1 = d1v; 45 long l2 = l2v; 46 double d2 = d2v; 47 48 // Run long enough to induce an OSR 49 for (int i = 0; i < 10000000; i++) { 50 } 51 boolean error = false; 52 53 if (l1 != l1v) { 54 System.out.println(l1 + " != " + l1v); 55 error = true; 56 } 57 if (l2 != l2v) { 58 System.out.println(l2 + " != " + l2v); 59 error = true; 60 } 61 if (d1 != d1v) { 62 System.out.println(d1 + " != " + d1v); 63 error = true; 64 } 65 if (d2 != d2v) { 66 System.out.println(d2 + " != " + d2v); 67 error = true; 68 } 69 if (error) { 70 throw new InternalError(); 71 } 72 } 73 }