104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
/*
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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 8076276
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* @summary Add C2 x86 Superword support for scalar sum reduction optimizations : long test
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* @requires os.arch=="x86" | os.arch=="i386" | os.arch=="amd64" | os.arch=="x86_64"
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*
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
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* -XX:CompileThresholdScaling=0.1
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* -XX:+SuperWordReductions
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* -XX:LoopMaxUnroll=4
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* compiler.loopopts.superword.SumRed_Long
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
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* -XX:CompileThresholdScaling=0.1
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* -XX:-SuperWordReductions
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* -XX:LoopMaxUnroll=4
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* compiler.loopopts.superword.SumRed_Long
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*
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
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* -XX:CompileThresholdScaling=0.1
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* -XX:+SuperWordReductions
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* -XX:LoopMaxUnroll=8
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* compiler.loopopts.superword.SumRed_Long
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
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* -XX:CompileThresholdScaling=0.1
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* -XX:-SuperWordReductions
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* -XX:LoopMaxUnroll=8
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* compiler.loopopts.superword.SumRed_Long
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*/
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package compiler.loopopts.superword;
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public class SumRed_Long {
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public static void main(String[] args) throws Exception {
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long[] a = new long[256 * 1024];
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long[] b = new long[256 * 1024];
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long[] c = new long[256 * 1024];
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long[] d = new long[256 * 1024];
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sumReductionInit(a, b, c);
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long total = 0;
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long valid = 262144000;
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for (int j = 0; j < 2000; j++) {
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total = sumReductionImplement(a, b, c, d, total);
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}
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total = (int) total;
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if (total == valid) {
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System.out.println("Success");
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} else {
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System.out.println("Invalid sum of elements variable in total: " + total);
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System.out.println("Expected value = " + valid);
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throw new Exception("Failed");
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}
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}
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public static void sumReductionInit(
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long[] a,
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long[] b,
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long[] c) {
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for (int j = 0; j < 1; j++) {
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for (int i = 0; i < a.length; i++) {
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a[i] = i * 1 + j;
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b[i] = i * 1 - j;
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c[i] = i + j;
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}
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}
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}
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public static long sumReductionImplement(
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long[] a,
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long[] b,
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long[] c,
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long[] d,
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long total) {
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for (int i = 0; i < a.length; i++) {
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d[i] = (a[i] * b[i]) + (a[i] * c[i]) + (b[i] * c[i]);
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total += d[i];
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}
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return total;
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}
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}
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