119 lines
3.5 KiB
Java
119 lines
3.5 KiB
Java
/*
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* Copyright (c) 2022, Arm Limited. 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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* @summary Vectorization test on multiple loops in a method
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* @library /test/lib /
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*
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* @build jdk.test.whitebox.WhiteBox
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* compiler.vectorization.runner.VectorizationTestRunner
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*
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* compiler.vectorization.runner.MultipleLoopsTest
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*
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* @requires vm.compiler2.enabled & vm.flagless
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*/
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package compiler.vectorization.runner;
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public class MultipleLoopsTest extends VectorizationTestRunner {
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private static final int SIZE = 543;
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private int[] a;
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private int[] b;
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private int[] c;
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public MultipleLoopsTest() {
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a = new int[SIZE];
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b = new int[SIZE];
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c = new int[SIZE];
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for (int i = 0; i < SIZE; i++) {
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a[i] = -654321 * i;
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b[i] = 123456 * i;
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c[i] = -998877 * i;
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}
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}
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@Test
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public int[] consecutiveLoops() {
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int[] res1 = new int[SIZE];
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int[] res2 = new int[SIZE];
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int[] res3 = new int[SIZE];
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for (int i = 0; i < SIZE; i++) {
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res1[i] = a[i] + b[i];
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}
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for (int i = 0; i < SIZE; i++) {
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res2[i] = a[i] - b[i];
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}
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for (int i = 0; i < SIZE; i++) {
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res3[i] = res1[i] * res2[i];
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}
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return res3;
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}
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@Test
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public int[] consecutiveLoopsNested() {
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int[] res = new int[SIZE];
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for (int outer = 0; outer < 30; outer++) {
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for (int i = 0; i < SIZE / 2; i++) {
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res[i] += a[i];
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}
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for (int i = SIZE / 2; i < SIZE; i++) {
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res[i] *= b[i];
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}
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} // Outer loop is counted
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return res;
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}
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@Test
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public int[] nestedLoopOuterNonCounted() {
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int i = 1;
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int[] res = new int[SIZE];
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while (i < SIZE) {
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int val = i * a[i];
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for (int j = 0; j < SIZE; j++) {
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res[j] = b[j] * val;
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}
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i *= 2;
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} // Outer loop is non-counted
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return res;
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}
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@Test
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public int[] nestedLoopIndexCompute() {
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int[] res = new int[SIZE];
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for (int i = 50; i < 100; i++) {
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for (int j = 0; j < 200 - i; j++) {
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res[i + j] = a[i + j] * b[i + j];
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}
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}
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return res;
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}
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}
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