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8286847: Rotate vectors don't support byte or short
Reviewed-by: eliu, xgong, jiefu, jbhateja
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test/hotspot/jtreg/compiler/vectorization/TestRotateByteAndShortVector.java
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/* | ||
* Copyright (c) 2022, Loongson Technology 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. | ||
*/ | ||
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/** | ||
* @test | ||
* @bug 8286847 | ||
* @key randomness | ||
* @summary Test vectorization of rotate byte and short | ||
* @library /test/lib | ||
* @run main/othervm -XX:-TieredCompilation -XX:CompileCommand=compileonly,TestRotateByteAndShortVector::testRotate* -Xbatch TestRotateByteAndShortVector | ||
*/ | ||
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import java.util.Random; | ||
import jdk.test.lib.Utils; | ||
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public class TestRotateByteAndShortVector { | ||
private static final Random random = Utils.getRandomInstance(); | ||
private static final int ARRLEN = 512; | ||
private static final int ITERS = 11000; | ||
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private static byte[] arrByte = new byte[ARRLEN]; | ||
private static byte[] rolByte = new byte[ARRLEN]; | ||
private static byte[] rorByte = new byte[ARRLEN]; | ||
private static byte resByte = 0; | ||
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private static short[] arrShort = new short[ARRLEN]; | ||
private static short[] rolShort = new short[ARRLEN]; | ||
private static short[] rorShort = new short[ARRLEN]; | ||
private static short resShort = 0; | ||
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public static void main(String[] args) { | ||
System.out.println("warmup"); | ||
warmup(); | ||
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System.out.println("Testing..."); | ||
runRotateLeftByteTest(); | ||
runRotateRightByteTest(); | ||
runRotateLeftShortTest(); | ||
runRotateRightShortTest(); | ||
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System.out.println("PASSED"); | ||
} | ||
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static void warmup() { | ||
random.nextBytes(arrByte); | ||
randomShorts(); | ||
for (int i = 0; i < ITERS; i++) { | ||
testRotateLeftByte(rolByte, arrByte, i); | ||
testRotateRightByte(rorByte, arrByte, i); | ||
testRotateLeftShort(rolShort, arrShort, i); | ||
testRotateRightShort(rorShort, arrShort, i); | ||
} | ||
} | ||
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static void randomShorts() { | ||
for (int i = 0; i < ARRLEN; i++) { | ||
arrShort[i] = (short) random.nextInt(); | ||
} | ||
} | ||
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static void runRotateLeftByteTest() { | ||
for (int shift = 0; shift < 64; shift++) { | ||
random.nextBytes(arrByte); | ||
testRotateLeftByte(rolByte, arrByte, shift); | ||
for (int i = 0; i < ARRLEN; i++) { | ||
resByte = (byte) ((arrByte[i] << shift) | (arrByte[i] >>> -shift)); | ||
if (rolByte[i] != resByte) { | ||
throw new RuntimeException("rol value = " + arrByte[i] + ", shift = " + shift + ", error: " + "expect " + resByte + " but result is " + rolByte[i]); | ||
} | ||
} | ||
} | ||
} | ||
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static void runRotateRightByteTest() { | ||
for (int shift = 0; shift < 64; shift++) { | ||
random.nextBytes(arrByte); | ||
testRotateRightByte(rorByte, arrByte, shift); | ||
for (int i = 0; i < ARRLEN; i++) { | ||
resByte = (byte) ((arrByte[i] >>> shift) | (arrByte[i] << -shift)); | ||
if (rorByte[i] != resByte) { | ||
throw new RuntimeException("ror value = " + arrByte[i] + ", shift = " + shift + ", error: " + "expect " + resByte + " but result is " + rorByte[i]); | ||
} | ||
} | ||
} | ||
} | ||
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static void runRotateLeftShortTest() { | ||
for (int shift = 0; shift < 64; shift++) { | ||
randomShorts(); | ||
testRotateLeftShort(rolShort, arrShort, shift); | ||
for (int i = 0; i < ARRLEN; i++) { | ||
resShort = (short) ((arrShort[i] << shift) | (arrShort[i] >>> -shift)); | ||
if (rolShort[i] != resShort) { | ||
throw new RuntimeException("rol value = " + arrShort[i] + ", shift = " + shift + ", error: " + "expect " + resShort + " but result is " + rolShort[i]); | ||
} | ||
} | ||
} | ||
} | ||
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static void runRotateRightShortTest() { | ||
for (int shift = 0; shift < 64; shift++) { | ||
randomShorts(); | ||
testRotateRightShort(rorShort, arrShort, shift); | ||
for (int i = 0; i < ARRLEN; i++) { | ||
resShort = (short) ((arrShort[i] >>> shift) | (arrShort[i] << -shift)); | ||
if (rorShort[i] != resShort) { | ||
throw new RuntimeException("ror value = " + arrShort[i] + ", shift = " + shift + ", error: " + "expect " + resShort + " but result is " + rorShort[i]); | ||
} | ||
} | ||
} | ||
} | ||
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static void testRotateLeftByte(byte[] test, byte[] arr, int shift) { | ||
for (int i = 0; i < ARRLEN; i++) { | ||
test[i] = (byte) ((arr[i] << shift) | (arr[i] >>> -shift)); | ||
} | ||
} | ||
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static void testRotateRightByte(byte[] test, byte[] arr, int shift) { | ||
for (int i = 0; i < ARRLEN; i++) { | ||
test[i] = (byte) ((arr[i] >>> shift) | (arr[i] << -shift)); | ||
} | ||
} | ||
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static void testRotateLeftShort(short[] test, short[] arr, int shift) { | ||
for (int i = 0; i < ARRLEN; i++) { | ||
test[i] = (short) ((arr[i] << shift) | (arr[i] >>> -shift)); | ||
} | ||
} | ||
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static void testRotateRightShort(short[] test, short[] arr, int shift) { | ||
for (int i = 0; i < ARRLEN; i++) { | ||
test[i] = (short) ((arr[i] >>> shift) | (arr[i] << -shift)); | ||
} | ||
} | ||
} |