1 /* 2 * Copyright (c) 2014, 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 * @test 26 * @bug 8066900 27 * @summary FP registers are not properly restored by C1 when handling exceptions 28 * 29 * @run main/othervm -Xbatch compiler.exceptions.SumTest 30 */ 31 32 package compiler.exceptions; 33 34 public class SumTest { 35 private static class Sum { 36 37 double[] sums; 38 39 /** 40 * Construct empty Sum 41 */ 42 public Sum() { 43 sums = new double[0]; 44 } 45 46 /** 47 * Return the sum of all numbers added to this Sum 48 * 49 * @return the sum 50 */ 51 final public double getSum() { 52 double sum = 0; 53 for (final double s : sums) { 54 sum += s; 55 } 56 57 return sum; 58 } 59 60 /** 61 * Add a new number to this Sum 62 * 63 * @param a number to be added. 64 */ 65 final public void add(double a) { 66 try { 67 sums[sums.length] = -1; // Cause IndexOutOfBoundsException 68 } catch (final IndexOutOfBoundsException e) { 69 final double[] oldSums = sums; 70 sums = new double[oldSums.length + 1]; // Extend sums 71 System.arraycopy(oldSums, 0, sums, 0, oldSums.length); 72 sums[oldSums.length] = a; // Append a 73 } 74 } 75 } 76 77 public static void main(String[] args) throws Exception { 78 final Sum sum = new Sum(); 79 for (int i = 1; i <= 10000; ++i) { 80 sum.add(1); 81 double ii = sum.getSum(); 82 if (i != ii) { 83 throw new Exception("Failure: computed = " + ii + ", expected = " + i); 84 } 85 } 86 } 87 88 } 89