/* * 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 8066900 * @summary FP registers are not properly restored by C1 when handling exceptions * * @run main/othervm -Xbatch compiler.exceptions.SumTest
*/
package compiler.exceptions;
publicclass SumTest { privatestaticclass Sum {
double[] sums;
/** * Construct empty Sum
*/ public Sum() {
sums = newdouble[0];
}
/** * Return the sum of all numbers added to this Sum * * @return the sum
*/ finalpublicdouble getSum() { double sum = 0; for (finaldouble s : sums) {
sum += s;
}
return sum;
}
/** * Add a new number to this Sum * * @param a number to be added.
*/ finalpublicvoid add(double a) { try {
sums[sums.length] = -1; // Cause IndexOutOfBoundsException
} catch (final IndexOutOfBoundsException e) { finaldouble[] oldSums = sums;
sums = newdouble[oldSums.length + 1]; // Extend sums
System.arraycopy(oldSums, 0, sums, 0, oldSums.length);
sums[oldSums.length] = a; // Append a
}
}
}
publicstaticvoid main(String[] args) throws Exception { final Sum sum = new Sum(); for (int i = 1; i <= 10000; ++i) {
sum.add(1); double ii = sum.getSum(); if (i != ii) { thrownew Exception("Failure: computed = " + ii + ", expected = " + i);
}
}
}
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