65 lines
2.2 KiB
Java
65 lines
2.2 KiB
Java
/*
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* Copyright (c) 2018, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8213419
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* @summary C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1
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*
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* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement MultiplyByIntegerMinHang
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*
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*/
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public class MultiplyByIntegerMinHang {
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public static void main(String[] args) {
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for (int i = 0; i < 20_000; i++) {
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if (test1(0) != 0) {
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throw new RuntimeException("incorrect result");
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}
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if (test1(1) != Integer.MIN_VALUE) {
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throw new RuntimeException("incorrect result");
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}
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if (test1(2) != 0) {
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throw new RuntimeException("incorrect result");
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}
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if (test2(0) != 0) {
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throw new RuntimeException("incorrect result");
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}
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if (test2(1) != Long.MIN_VALUE) {
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throw new RuntimeException("incorrect result");
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}
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if (test2(2) != 0) {
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throw new RuntimeException("incorrect result");
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}
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}
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}
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private static int test1(int v) {
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return v * Integer.MIN_VALUE;
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}
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private static long test2(long v) {
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return v * Long.MIN_VALUE;
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}
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}
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