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/*
* Copyright (c) 2023, Arm Limited. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.vectorapi;
import compiler.lib.ir_framework.*;
import java.util.Random;
import jdk.incubator.vector.IntVector;
import jdk.incubator.vector.LongVector;
import jdk.incubator.vector.VectorOperators;
import jdk.incubator.vector.VectorSpecies;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
/**
* @test
* @bug 8301012
* @library /test/lib /
* @requires os.arch == "aarch64" & vm.cpu.features ~= ".*sve2.*" & vm.cpu.features ~= ".*svebitperm.*"
* @summary [vectorapi]: Intrinsify CompressBitsV/ExpandBitsV and add the AArch64 SVE backend implementation
* @modules jdk.incubator.vector
* @run driver compiler.vectorapi.TestVectorCompressExpandBits
*/
public class TestVectorCompressExpandBits {
private static final VectorSpecies<Integer> I_SPECIES = IntVector.SPECIES_PREFERRED;
private static final VectorSpecies<Long> L_SPECIES = LongVector.SPECIES_PREFERRED;
private static int LENGTH = 1024;
private static final Random RD = Utils.getRandomInstance();
private static int[] ia;
private static int[] ib;
private static int[] ir;
private static long[] la;
private static long[] lb;
private static long[] lr;
static {
ia = new int[LENGTH];
ib = new int[LENGTH];
ir = new int[LENGTH];
la = new long[LENGTH];
lb = new long[LENGTH];
lr = new long[LENGTH];
for (int i = 0; i < LENGTH; i++) {
ia[i] = RD.nextInt(25);
ib[i] = RD.nextInt(25);
la[i] = RD.nextLong(25);
lb[i] = RD.nextLong(25);
}
}
// Test for vectorized Integer.compress operation in SVE2
@Test
@IR(counts = {IRNode.COMPRESS_BITS_VI, "> 0"})
public static void testIntCompress() {
for (int i = 0; i < LENGTH; i += I_SPECIES.length()) {
IntVector av = IntVector.fromArray(I_SPECIES, ia, i);
IntVector bv = IntVector.fromArray(I_SPECIES, ib, i);
av.lanewise(VectorOperators.COMPRESS_BITS, bv).intoArray(ir, i);
}
}
@Run(test = "testIntCompress")
public static void testIntCompress_runner() {
testIntCompress();
for (int i = 0; i < LENGTH; i++) {
Asserts.assertEquals(Integer.compress(ia[i], ib[i]), ir[i]);
}
}
// Test for vectorized Integer.expand operation in SVE2
@Test
@IR(counts = {IRNode.EXPAND_BITS_VI, "> 0"})
public static void testIntExpand() {
for (int i = 0; i < LENGTH; i += I_SPECIES.length()) {
IntVector av = IntVector.fromArray(I_SPECIES, ia, i);
IntVector bv = IntVector.fromArray(I_SPECIES, ib, i);
av.lanewise(VectorOperators.EXPAND_BITS, bv).intoArray(ir, i);
}
}
@Run(test = "testIntExpand")
public static void testIntExpand_runner() {
testIntExpand();
for (int i = 0; i < LENGTH; i++) {
Asserts.assertEquals(Integer.expand(ia[i], ib[i]), ir[i]);
}
}
// Test for vectorized Long.compress operation in SVE2
@Test
@IR(counts = {IRNode.COMPRESS_BITS_VL, "> 0"})
public static void testLongCompress() {
for (int i = 0; i < LENGTH; i += L_SPECIES.length()) {
LongVector av = LongVector.fromArray(L_SPECIES, la, i);
LongVector bv = LongVector.fromArray(L_SPECIES, lb, i);
av.lanewise(VectorOperators.COMPRESS_BITS, bv).intoArray(lr, i);
}
}
@Run(test = "testLongCompress")
public static void testLongCompress_runner() {
testLongCompress();
for (int i = 0; i < LENGTH; i++) {
Asserts.assertEquals(Long.compress(la[i], lb[i]), lr[i]);
}
}
// Test for vectorized Long.expand operation in SVE2
@Test
@IR(counts = {IRNode.EXPAND_BITS_VL, "> 0"})
public static void testLongExpand() {
for (int i = 0; i < LENGTH; i += L_SPECIES.length()) {
LongVector av = LongVector.fromArray(L_SPECIES, la, i);
LongVector bv = LongVector.fromArray(L_SPECIES, lb, i);
av.lanewise(VectorOperators.EXPAND_BITS, bv).intoArray(lr, i);
}
}
@Run(test = "testLongExpand")
public static void testLongExpand_runner() {
testLongExpand();
for (int i = 0; i < LENGTH; i++) {
Asserts.assertEquals(Long.expand(la[i], lb[i]), lr[i]);
}
}
public static void main(String[] args) {
TestFramework.runWithFlags("--add-modules=jdk.incubator.vector",
"-XX:UseSVE=2");
}
}
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