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/*
* Copyright (c) 2021, Huawei Technologies Co., Ltd. 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 java.util.Random;
import java.util.Arrays;
import jdk.incubator.vector.*;
/**
* @test
* @bug 8261142
* @summary AArch64: Incorrect instruction encoding when right-shifting vectors with shift amount equals to the element width
* @modules jdk.incubator.vector
*
* @run main/othervm -XX:CompileCommand=print,compiler/vectorapi/TestVectorShiftImm.shift*
* -XX:-TieredCompilation -Dvlen=64 compiler.vectorapi.TestVectorShiftImm
* @run main/othervm -XX:CompileCommand=print,compiler/vectorapi/TestVectorShiftImm.shift*
* -XX:-TieredCompilation -Dvlen=128 compiler.vectorapi.TestVectorShiftImm
*/
public class TestVectorShiftImm {
private static final int ARR_LEN = 16;
private static final int NUM_ITERS = 100000;
private static final int NUM_OPS = 5;
private static final int ACCUMULATE_OP_S = 3;
private static final int MAX_TESTS_PER_OP = 7;
private static final int VLENS = 2;
private static byte[] bytesA, bytesB;
private static short[] shortsA, shortsB;
private static int[] integersA, integersB;
private static long[] longsA, longsB;
private static byte tBytes[][], gBytes[][];
private static short tShorts[][], gShorts[][];
private static int tIntegers[][], gIntegers[][];
private static long tLongs[][], gLongs[][];
private static Random r = new Random(32781);
static final VectorSpecies<Byte> byte64SPECIES = ByteVector.SPECIES_64;
static final VectorSpecies<Byte> byte128SPECIES = ByteVector.SPECIES_128;
static final VectorSpecies<Short> short64SPECIES = ShortVector.SPECIES_64;
static final VectorSpecies<Short> short128SPECIES = ShortVector.SPECIES_128;
static final VectorSpecies<Integer> integer64SPECIES = IntVector.SPECIES_64;
static final VectorSpecies<Integer> integer128SPECIES = IntVector.SPECIES_128;
static final VectorSpecies<Long> long128SPECIES = LongVector.SPECIES_128;
static String[] opNames = {"LSHL", "ASHR", "LSHR", "ASHR_AND_ACCUMULATE", "LSHR_AND_ACCUMULATE"};
static boolean allTestsPassed = true;
static StringBuilder errMsg = new StringBuilder();
public static void main(String args[]) {
int vlen = Integer.parseInt(System.getProperty("vlen", ""));
test_init();
if (vlen == 64) {
test_vlen64();
}
if(vlen == 128) {
test_vlen128();
}
if (allTestsPassed) {
System.out.println("Test PASSED");
} else {
throw new RuntimeException("Test Failed, failed tests:\n" + errMsg.toString());
}
}
static void test_vlen64() {
for (int i = 0; i < NUM_ITERS; i++) {
shift_and_accumulate(tBytes, true, byte64SPECIES, 64);
shift_and_accumulate(tShorts, true, short64SPECIES, 64);
shift_and_accumulate(tIntegers, true, integer64SPECIES, 64);
shift(tBytes, true, byte64SPECIES, 64);
shift(tShorts, true, short64SPECIES, 64);
shift(tIntegers, true, integer64SPECIES, 64);
}
}
static void test_vlen128() {
for (int i = 0; i < NUM_ITERS; i++) {
shift_and_accumulate(tBytes, true, byte128SPECIES, 128);
shift_and_accumulate(tShorts, true, short128SPECIES, 128);
shift_and_accumulate(tIntegers, true, integer128SPECIES, 128);
shift_and_accumulate(tLongs, true, long128SPECIES, 128);
shift(tBytes, true, byte128SPECIES, 128);
shift(tShorts, true, short128SPECIES, 128);
shift(tIntegers, true, integer128SPECIES, 128);
shift(tLongs, true, long128SPECIES, 128);
}
}
/**
* Tests for type byte.
*/
static int shift_with_op(VectorOperators.Binary op, ByteVector vbb,
byte arr[][], int end, int ind) {
vbb.lanewise(op, 0).intoArray(arr[end++], ind);
vbb.lanewise(op, 1).intoArray(arr[end++], ind);
vbb.lanewise(op, 8).intoArray(arr[end++], ind);
vbb.lanewise(op, 13).intoArray(arr[end++], ind);
vbb.lanewise(op, 16).intoArray(arr[end++], ind);
vbb.lanewise(op, 19).intoArray(arr[end++], ind);
vbb.lanewise(op, 24).intoArray(arr[end++], ind);
return end;
}
static int shift_with_op_and_add(VectorOperators.Binary op,
ByteVector vba, ByteVector vbb,
byte arr[][], int end, int ind) {
vba.add(vbb.lanewise(op, 0)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 1)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 8)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 13)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 16)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 19)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 24)).intoArray(arr[end++], ind);
return end;
}
static void shift(byte arrBytes[][], boolean verify,
VectorSpecies<Byte> vSpecies, int vlen) {
int start = vlen / 128 * NUM_OPS * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 8) {
end = start;
ByteVector vbb = ByteVector.fromArray(vSpecies, bytesB, i);
end = shift_with_op(VectorOperators.LSHL, vbb, arrBytes, end, i);
end = shift_with_op(VectorOperators.ASHR, vbb, arrBytes, end, i);
end = shift_with_op(VectorOperators.LSHR, vbb, arrBytes, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("BYTE", Arrays.equals(tBytes[i], gBytes[i]), i, vlen);
}
}
}
static void shift_and_accumulate(byte arrBytes[][], boolean verify,
VectorSpecies<Byte> vSpecies, int vlen) {
int start = (ACCUMULATE_OP_S + vlen / 128 * NUM_OPS) * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 8) {
end = start;
ByteVector vba = ByteVector.fromArray(vSpecies, bytesA, i);
ByteVector vbb = ByteVector.fromArray(vSpecies, bytesB, i);
end = shift_with_op_and_add(VectorOperators.ASHR, vba, vbb, arrBytes, end, i);
end = shift_with_op_and_add(VectorOperators.LSHR, vba, vbb, arrBytes, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("BYTE", Arrays.equals(tBytes[i], gBytes[i]), i, vlen);
}
}
}
/**
* Tests for type short.
*/
static int shift_with_op(VectorOperators.Binary op, ShortVector vbb,
short arr[][], int end, int ind) {
vbb.lanewise(op, 0).intoArray(arr[end++], ind);
vbb.lanewise(op, 9).intoArray(arr[end++], ind);
vbb.lanewise(op, 16).intoArray(arr[end++], ind);
vbb.lanewise(op, 27).intoArray(arr[end++], ind);
vbb.lanewise(op, 32).intoArray(arr[end++], ind);
vbb.lanewise(op, 43).intoArray(arr[end++], ind);
vbb.lanewise(op, 48).intoArray(arr[end++], ind);
return end;
}
static int shift_with_op_and_add(VectorOperators.Binary op,
ShortVector vba, ShortVector vbb,
short arr[][], int end, int ind) {
vba.add(vbb.lanewise(op, 0)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 9)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 16)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 27)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 32)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 43)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 48)).intoArray(arr[end++], ind);
return end;
}
static void shift(short arrShorts[][], boolean verify,
VectorSpecies<Short> vSpecies, int vlen) {
int start = vlen / 128 * NUM_OPS * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 16) {
end = start;
ShortVector vbb = ShortVector.fromArray(vSpecies, shortsB, i);
end = shift_with_op(VectorOperators.LSHL, vbb, arrShorts, end, i);
end = shift_with_op(VectorOperators.ASHR, vbb, arrShorts, end, i);
end = shift_with_op(VectorOperators.LSHR, vbb, arrShorts, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("SHORT", Arrays.equals(tShorts[i], gShorts[i]), i, vlen);
}
}
}
static void shift_and_accumulate(short arrShorts[][], boolean verify,
VectorSpecies<Short> vSpecies, int vlen) {
int start = (ACCUMULATE_OP_S + vlen / 128 * NUM_OPS) * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 16) {
end = start;
ShortVector vba = ShortVector.fromArray(vSpecies, shortsA, i);
ShortVector vbb = ShortVector.fromArray(vSpecies, shortsB, i);
end = shift_with_op_and_add(VectorOperators.ASHR, vba, vbb, arrShorts, end, i);
end = shift_with_op_and_add(VectorOperators.LSHR, vba, vbb, arrShorts, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("SHORT", Arrays.equals(tShorts[i], gShorts[i]), i, vlen);
}
}
}
/**
* Tests for type int.
*/
static int shift_with_op(VectorOperators.Binary op, IntVector vbb,
int arr[][], int end, int ind) {
vbb.lanewise(op, 0).intoArray(arr[end++], ind);
vbb.lanewise(op, 17).intoArray(arr[end++], ind);
vbb.lanewise(op, 32).intoArray(arr[end++], ind);
vbb.lanewise(op, 53).intoArray(arr[end++], ind);
vbb.lanewise(op, 64).intoArray(arr[end++], ind);
vbb.lanewise(op, 76).intoArray(arr[end++], ind);
vbb.lanewise(op, 96).intoArray(arr[end++], ind);
return end;
}
static int shift_with_op_and_add(VectorOperators.Binary op,
IntVector vba, IntVector vbb,
int arr[][], int end, int ind) {
vba.add(vbb.lanewise(op, 0)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 17)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 32)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 53)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 64)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 76)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 96)).intoArray(arr[end++], ind);
return end;
}
static void shift(int arrIntegers[][], boolean verify,
VectorSpecies<Integer> vSpecies, int vlen) {
int start = vlen / 128 * NUM_OPS * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 32) {
end = start;
IntVector vbb = IntVector.fromArray(vSpecies, integersB, i);
end = shift_with_op(VectorOperators.LSHL, vbb, arrIntegers, end, i);
end = shift_with_op(VectorOperators.ASHR, vbb, arrIntegers, end, i);
end = shift_with_op(VectorOperators.LSHR, vbb, arrIntegers, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("INTEGER", Arrays.equals(tIntegers[i], gIntegers[i]), i, vlen);
}
}
}
static void shift_and_accumulate(int arrIntegers[][], boolean verify,
VectorSpecies<Integer> vSpecies, int vlen) {
int start = (ACCUMULATE_OP_S + vlen / 128 * NUM_OPS) * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 32) {
end = start;
IntVector vba = IntVector.fromArray(vSpecies, integersA, i);
IntVector vbb = IntVector.fromArray(vSpecies, integersB, i);
end = shift_with_op_and_add(VectorOperators.ASHR, vba, vbb, arrIntegers, end, i);
end = shift_with_op_and_add(VectorOperators.LSHR, vba, vbb, arrIntegers, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("INTEGER", Arrays.equals(tIntegers[i], gIntegers[i]), i, vlen);
}
}
}
/**
* Tests for type long.
*/
static int shift_with_op(VectorOperators.Binary op, LongVector vbb,
long arr[][], int end, int ind) {
vbb.lanewise(op, 0).intoArray(arr[end++], ind);
vbb.lanewise(op, 37).intoArray(arr[end++], ind);
vbb.lanewise(op, 64).intoArray(arr[end++], ind);
vbb.lanewise(op, 99).intoArray(arr[end++], ind);
vbb.lanewise(op, 128).intoArray(arr[end++], ind);
vbb.lanewise(op, 157).intoArray(arr[end++], ind);
vbb.lanewise(op, 192).intoArray(arr[end++], ind);
return end;
}
static int shift_with_op_and_add(VectorOperators.Binary op,
LongVector vba, LongVector vbb,
long arr[][], int end, int ind) {
vba.add(vbb.lanewise(op, 0)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 37)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 64)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 99)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 128)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 157)).intoArray(arr[end++], ind);
vba.add(vbb.lanewise(op, 192)).intoArray(arr[end++], ind);
return end;
}
static void shift(long arrLongs[][], boolean verify,
VectorSpecies<Long> vSpecies, int vlen) {
int start = vlen / 128 * NUM_OPS * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 64) {
end = start;
LongVector vbb = LongVector.fromArray(vSpecies, longsB, i);
end = shift_with_op(VectorOperators.LSHL, vbb, arrLongs, end, i);
end = shift_with_op(VectorOperators.ASHR, vbb, arrLongs, end, i);
end = shift_with_op(VectorOperators.LSHR, vbb, arrLongs, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("LONG", Arrays.equals(tLongs[i], gLongs[i]), i, vlen);
}
}
}
static void shift_and_accumulate(long arrLongs[][], boolean verify,
VectorSpecies<Long> vSpecies, int vlen) {
int start = (ACCUMULATE_OP_S + vlen / 128 * NUM_OPS) * MAX_TESTS_PER_OP, end = 0;
for (int i = 0; i < ARR_LEN; i += vlen / 64) {
end = start;
LongVector vba = LongVector.fromArray(vSpecies, longsA, i);
LongVector vbb = LongVector.fromArray(vSpecies, longsB, i);
end = shift_with_op_and_add(VectorOperators.ASHR, vba, vbb, arrLongs, end, i);
end = shift_with_op_and_add(VectorOperators.LSHR, vba, vbb, arrLongs, end, i);
}
if (verify) {
for (int i = start; i < end; i++) {
assertTrue("LONG", Arrays.equals(tLongs[i], gLongs[i]), i, vlen);
}
}
}
static void test_init() {
int count = ARR_LEN;
bytesA = new byte[count];
shortsA = new short[count];
integersA = new int[count];
longsA = new long[count];
bytesB = new byte[count];
shortsB = new short[count];
integersB = new int[count];
longsB = new long[count];
tBytes = new byte[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
tShorts = new short[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
tIntegers = new int[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
tLongs = new long[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
gBytes = new byte[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
gShorts = new short[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
gIntegers = new int[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
gLongs = new long[VLENS * MAX_TESTS_PER_OP * NUM_OPS][count];
for (int i = 0; i < count; i++) {
bytesA[i] = (byte) r.nextInt();
shortsA[i] = (short) r.nextInt();
integersA[i] = r.nextInt();
longsA[i] = r.nextLong();
bytesB[i] = (byte) r.nextInt();
shortsB[i] = (short) r.nextInt();
integersB[i] = r.nextInt();
longsB[i] = r.nextLong();
}
shift(gBytes, false, byte64SPECIES, 64);
shift(gBytes, false, byte128SPECIES, 128);
shift_and_accumulate(gBytes, false, byte64SPECIES, 64);
shift_and_accumulate(gBytes, false, byte128SPECIES, 128);
shift(gShorts, false, short64SPECIES, 64);
shift(gShorts, false, short128SPECIES, 128);
shift_and_accumulate(gShorts, false, short64SPECIES, 64);
shift_and_accumulate(gShorts, false, short128SPECIES, 128);
shift(gIntegers, false, integer64SPECIES, 64);
shift(gIntegers, false, integer128SPECIES, 128);
shift_and_accumulate(gIntegers, false, integer64SPECIES, 64);
shift_and_accumulate(gIntegers, false, integer128SPECIES, 128);
shift(gLongs, false, long128SPECIES, 128);
shift_and_accumulate(gLongs, false, long128SPECIES, 128);
}
static void assertTrue(String type, boolean okay, int i, int vlen) {
int op = i % (MAX_TESTS_PER_OP * NUM_OPS) / MAX_TESTS_PER_OP;
if (!okay) {
allTestsPassed = false;
if (!errMsg.toString().contains("type " + type + " index " + i)) {
errMsg.append("type " + type + " index " + i + ", operation " + opNames[op] + ", vector length "+ vlen + ".\n");
}
}
}
}
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