author | lana |
Thu, 23 Feb 2017 17:30:12 +0000 | |
changeset 44011 | 5eea3031ae7b |
parent 41705 | 332239c052cc |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. 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 8131969 |
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* @summary assert in register allocation code when vector Phi for a loop is |
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* processed because code assumes all inputs already processed |
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* |
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* @run main/othervm -Xbatch compiler.regalloc.TestVectorRegAlloc |
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*/ |
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package compiler.regalloc; |
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||
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public class TestVectorRegAlloc { |
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static int test_helper_i; |
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static boolean test_helper() { |
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test_helper_i++; |
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return (test_helper_i & 7) != 0; |
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} |
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static void test(double[] src, double[] dst, boolean flag) { |
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double j = 0.0; |
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while(test_helper()) { |
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for (int i = 0; i < src.length; i++) { |
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dst[i] = src[i] + j; |
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} |
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// Loop will be unswitched and ReplicateD of zero will be |
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// split through the Phi of outer loop |
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for (int i = 0; i < src.length; i++) { |
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double k; |
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if (flag) { |
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k = j; |
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} else { |
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k = 0; |
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} |
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dst[i] = src[i] + k; |
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} |
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j++; |
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} |
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} |
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static public void main(String[] args) { |
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double[] src = new double[10]; |
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double[] dst = new double[10]; |
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for (int i = 0; i < 20000; i++) { |
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test(src, dst, (i % 2) == 0); |
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} |
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} |
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} |