jdk-24/test/hotspot/jtreg/compiler/vectorapi/TestVectorMaskTrueCount.java
2023-06-05 11:32:53 +00:00

141 lines
4.8 KiB
Java

/*
* 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.*;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
/**
* @test
* @bug 8307795
* @key randomness
* @library /test/lib /
* @requires os.arch=="aarch64"
* @summary AArch64: Optimize VectorMask.truecount() on Neon
* @modules jdk.incubator.vector
*
* @run driver compiler.vectorapi.TestVectorMaskTrueCount
*/
public class TestVectorMaskTrueCount {
private static final VectorSpecies<Float> SPECIES_F = FloatVector.SPECIES_64;
private static final VectorSpecies<Double> SPECIES_D = DoubleVector.SPECIES_128;
private static final VectorSpecies<Integer> SPECIES_I = IntVector.SPECIES_128;
private static final int LENGTH = 1024;
private static final Random RD = new Random();
private static boolean[] ba;
private static boolean[] bb;
static {
ba = new boolean[LENGTH];
bb = new boolean[LENGTH];
for (int i = 0; i < LENGTH; i++) {
ba[i] = RD.nextBoolean();
bb[i] = RD.nextBoolean();
}
}
static int maskAndTrueCount(boolean[] a, boolean[] b, int idx, int count) {
int trueCount = 0;
boolean[] c = new boolean[count];
for (int i = idx; i < idx + count; i++) {
c[i - idx] = a[i] & b[i];
}
for (int i = 0; i < c.length; i++) {
trueCount += c[i] ? 1 : 0;
}
return trueCount;
}
static void assertArrayEqualsFloat(int[] r, boolean[] a, boolean[] b) {
for (int i = 0; i < a.length; i += SPECIES_F.length()) {
Asserts.assertEquals(r[i], maskAndTrueCount(a, b, i, SPECIES_F.length()));
}
}
static void assertArrayEqualsDouble(int[] r, boolean[] a, boolean[] b) {
for (int i = 0; i < a.length; i += SPECIES_D.length()) {
Asserts.assertEquals(r[i], maskAndTrueCount(a, b, i, SPECIES_D.length()));
}
}
static void assertArrayEqualsInteger(int[] r, boolean[] a, boolean[] b) {
for (int i = 0; i < a.length; i += SPECIES_I.length()) {
Asserts.assertEquals(r[i], maskAndTrueCount(a, b, i, SPECIES_I.length()));
}
}
@Test
@IR(counts = { IRNode.VSTOREMASK_TRUECOUNT, ">= 1" })
public static void testFloat() {
int[] r = new int[LENGTH];
for (int i = 0; i < LENGTH; i += SPECIES_F.length()) {
VectorMask<Float> ma = VectorMask.fromArray(SPECIES_F, ba, i);
VectorMask<Float> mb = VectorMask.fromArray(SPECIES_F, bb, i);
r[i] = ma.and(mb).trueCount();
}
assertArrayEqualsFloat(r, ba, bb);
}
@Test
@IR(counts = { IRNode.VSTOREMASK_TRUECOUNT, ">= 1" })
public static void testDouble() {
int[] r = new int[LENGTH];
for (int i = 0; i < LENGTH; i += SPECIES_D.length()) {
VectorMask<Double> ma = VectorMask.fromArray(SPECIES_D, ba, i);
VectorMask<Double> mb = VectorMask.fromArray(SPECIES_D, bb, i);
r[i] = ma.and(mb).trueCount();
}
assertArrayEqualsDouble(r, ba, bb);
}
@Test
@IR(counts = { IRNode.VSTOREMASK_TRUECOUNT, ">= 1" })
public static void testInt() {
int[] r = new int[LENGTH];
for (int i = 0; i < LENGTH; i += SPECIES_I.length()) {
VectorMask<Integer> ma = VectorMask.fromArray(SPECIES_I, ba, i);
VectorMask<Integer> mb = VectorMask.fromArray(SPECIES_I, bb, i);
r[i] = ma.and(mb).trueCount();
}
assertArrayEqualsInteger(r, ba, bb);
}
public static void main(String[] args) {
TestFramework testFramework = new TestFramework();
testFramework.setDefaultWarmup(10000)
.addFlags("--add-modules=jdk.incubator.vector")
.addFlags("-XX:UseSVE=0")
.start();
}
}