103 lines
4.0 KiB
Java
103 lines
4.0 KiB
Java
/*
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* Copyright (c) 2024, 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 8332119
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* @summary Incorrect IllegalArgumentException for C2 compiled permute kernel
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* @modules jdk.incubator.vector
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* @library /test/lib /
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbatch -XX:-TieredCompilation -XX:CompileOnly=TestTwoVectorPermute::micro compiler.vectorapi.TestTwoVectorPermute
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbatch -XX:-TieredCompilation compiler.vectorapi.TestTwoVectorPermute
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbatch -XX:TieredStopAtLevel=3 compiler.vectorapi.TestTwoVectorPermute
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*/
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package compiler.vectorapi;
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import jdk.incubator.vector.*;
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import java.util.Arrays;
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import java.util.Random;
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public class TestTwoVectorPermute {
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public static final VectorSpecies<Float> FSP = FloatVector.SPECIES_256;
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public static void validate(float[] res, float[] shuf, float[] src1, float[] src2) {
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for (int i = 0; i < res.length; i++) {
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float expected = Float.NaN;
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int shuf_index = (int)shuf[i];
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// Exceptional index.
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if (shuf_index < 0 || shuf_index >= FSP.length()) {
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int wrapped_index = (shuf_index & (FSP.length() - 1));
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if (Integer.compareUnsigned(shuf_index, FSP.length()) > 0) {
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wrapped_index -= FSP.length();
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}
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wrapped_index = wrapped_index < 0 ? wrapped_index + FSP.length() : wrapped_index;
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expected = src2[wrapped_index];
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} else {
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expected = src1[shuf_index];
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}
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if (res[i] != expected) {
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throw new AssertionError("Result mismatch at " + i + " index, (actual = " + res[i] + ") != ( expected " + expected + " )");
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}
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}
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}
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public static void micro(float[] res, float[] shuf, float[] src1, float[] src2) {
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VectorShuffle<Float> vshuf = FloatVector.fromArray(FSP, shuf, 0).toShuffle();
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VectorShuffle<Float> vshuf_wrapped = vshuf.wrapIndexes();
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FloatVector.fromArray(FSP, src1, 0)
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.rearrange(vshuf_wrapped)
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.blend(FloatVector.fromArray(FSP, src2, 0)
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.rearrange(vshuf_wrapped),
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vshuf.laneIsValid().not())
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.intoArray(res, 0);
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}
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public static void main(String [] args) {
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float [] res = new float[FSP.length()];
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float [] shuf = new float[FSP.length()];
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float [] src1 = new float[FSP.length()];
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float [] src2 = new float[FSP.length()];
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for (int i = 0; i < FSP.length(); i++) {
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shuf[i] = i * 2;
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}
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for (int i = 0; i < FSP.length(); i++) {
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src1[i] = i;
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src2[i] = i + FSP.length();
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}
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for (int i = 0; i < 10000; i++) {
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micro(res, shuf, src1, src2);
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}
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validate(res, shuf, src1, src2);
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for (int i = 0; i < FSP.length(); i++) {
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shuf[i] = -i * 2;
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}
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for (int i = 0; i < 10000; i++) {
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micro(res, shuf, src1, src2);
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}
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validate(res, shuf, src1, src2);
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System.out.println("PASSED");
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}
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}
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