114 lines
3.7 KiB
Java
114 lines
3.7 KiB
Java
/*
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* Copyright (c) 2023, 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 8302673
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* @summary [SuperWord] MaxReduction and MinReduction should vectorize for int
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* @library /test/lib /
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* @run driver compiler.loopopts.superword.MinMaxRed_Int
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*/
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package compiler.loopopts.superword;
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import compiler.lib.ir_framework.*;
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import java.util.Arrays;
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import java.util.Random;
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import jdk.test.lib.Utils;
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public class MinMaxRed_Int {
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private static final Random random = Utils.getRandomInstance();
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public static void main(String[] args) throws Exception {
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TestFramework framework = new TestFramework();
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framework.addFlags("-XX:+IgnoreUnrecognizedVMOptions",
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"-XX:LoopUnrollLimit=250",
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"-XX:CompileThresholdScaling=0.1");
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framework.start();
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}
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@Run(test = {"maxReductionImplement"},
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mode = RunMode.STANDALONE)
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public void runMaxTest() {
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int[] a = new int[1024];
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int[] b = new int[1024];
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ReductionInit(a, b);
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int res = 0;
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for (int j = 0; j < 2000; j++) {
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res = maxReductionImplement(a, b, res);
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}
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if (res == Arrays.stream(a).max().getAsInt()) {
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System.out.println("Success");
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} else {
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throw new AssertionError("Failed");
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}
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}
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@Run(test = {"minReductionImplement"},
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mode = RunMode.STANDALONE)
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public void runMinTest() {
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int[] a = new int[1024];
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int[] b = new int[1024];
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ReductionInit(a, b);
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int res = 1;
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for (int j = 0; j < 2000; j++) {
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res = minReductionImplement(a, b, res);
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}
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if (res == Arrays.stream(a).min().getAsInt()) {
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System.out.println("Success");
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} else {
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throw new AssertionError("Failed");
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}
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}
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public static void ReductionInit(int[] a, int[] b) {
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for (int i = 0; i < a.length; i++) {
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a[i] = random.nextInt();
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b[i] = 1;
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}
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}
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@Test
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@IR(applyIf = {"SuperWordReductions", "true"},
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applyIfCPUFeatureOr = { "sse4.1", "true" , "asimd" , "true"},
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counts = {IRNode.MIN_REDUCTION_V, " > 0"})
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public static int minReductionImplement(int[] a, int[] b, int res) {
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for (int i = 0; i < a.length; i++) {
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res = Math.min(res, a[i] * b[i]);
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}
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return res;
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}
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@Test
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@IR(applyIf = {"SuperWordReductions", "true"},
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applyIfCPUFeatureOr = { "sse4.1", "true" , "asimd" , "true"},
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counts = {IRNode.MAX_REDUCTION_V, " > 0"})
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public static int maxReductionImplement(int[] a, int[] b, int res) {
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for (int i = 0; i < a.length; i++) {
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res = Math.max(res, a[i] * b[i]);
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}
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return res;
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}
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}
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