52 lines
1.8 KiB
Java
52 lines
1.8 KiB
Java
/*
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* Copyright (c) 2020, BELLSOFT. 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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package compiler.c2;
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/*
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* @test
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* @bug 8248445
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* @summary Use of AbsI / AbsL nodes should be limited to supported platforms
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* @requires vm.debug == true
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*
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* @run main/othervm -XX:-TieredCompilation -Xbatch -XX:CompileOnly=java.lang.Math::abs compiler.c2.TestAbs
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*/
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public class TestAbs {
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public static void test() {
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// java.lang.Math.abs() collapses into AbsI/AbsL nodes on platforms that support the correspondent nodes
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// Using unsupported nodes triggers a console warning on a release build and gives an error on a debug build
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Math.abs(1);
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Math.abs(-1);
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Math.abs(1L);
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Math.abs(-1L);
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}
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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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test();
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}
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}
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}
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