96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2024, Rivos Inc. 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 8321010
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* @summary Test vector intrinsic for Math.round(float) in full 32 bits range
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*
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* @library /test/lib /
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* @modules java.base/jdk.internal.math
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* @requires os.arch == "riscv64" & vm.cpu.features ~= ".*rvv.*"
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* @run main/othervm -XX:-TieredCompilation -XX:CompileThresholdScaling=0.3 -XX:+UseSuperWord -XX:CompileCommand=compileonly,compiler.vectorization.TestRoundVectorFloatAll::test* compiler.vectorization.TestRoundVectorFloatAll
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* @run main/othervm -XX:-TieredCompilation -XX:CompileThresholdScaling=0.3 -XX:MaxVectorSize=32 -XX:+UseSuperWord -XX:CompileCommand=compileonly,compiler.vectorization.TestRoundVectorFloatAll::test* compiler.vectorization.TestRoundVectorFloatAll
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*/
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package compiler.vectorization;
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import java.util.Random;
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import static compiler.lib.golden.GoldenRound.golden_round;
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public class TestRoundVectorFloatAll {
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private static final Random rand = new Random();
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private static final int ITERS = 11000;
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private static final int ARRLEN = rand.nextInt(4096-997) + 997;
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private static final float ADD_INIT = -7500.f;
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public static void main(String args[]) {
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test();
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}
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static void test() {
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float[] input = new float[ARRLEN];
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int [] res = new int[ARRLEN];
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// Warmup
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System.out.println("Warmup");
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for (int i=0; i<ITERS; i++) {
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test_round(res, input);
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}
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// Test and verify results
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System.out.println("Verification");
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int errn = 0;
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for (long l = Integer.MIN_VALUE; l <= Integer.MAX_VALUE; l+=ARRLEN) {
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for (int i = 0; i < ARRLEN; i++) {
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input[i] = Float.intBitsToFloat((int)(i+l));
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}
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// run tests
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test_round(res, input);
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// verify results
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for (int j = 0; j < ARRLEN; j++) {
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if (res[j] != golden_round(input[j])) {
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errn++;
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System.err.println("round error, input: " + input[j] +
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", res: " + res[j] + "expected: " + golden_round(input[j]) +
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", input hex: " + Float.floatToIntBits(input[j]));
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}
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}
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}
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if (errn > 0) {
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throw new RuntimeException("There are some round error detected!");
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}
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}
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static void test_round(int[] a0, float[] a1) {
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for (int i = 0; i < a0.length; i+=1) {
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a0[i] = Math.round(a1[i]);
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}
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}
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}
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