101 lines
3.7 KiB
Java
101 lines
3.7 KiB
Java
/*
|
|
* Copyright (c) 2022, 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.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8289996
|
|
* @summary Test range check hoisting for some scaled iv at array index
|
|
* @library /test/lib /
|
|
* @requires vm.flagless
|
|
* @requires vm.debug & vm.compiler2.enabled & (os.simpleArch == "x64" | os.arch == "aarch64")
|
|
* @modules jdk.incubator.vector
|
|
* @run main/othervm compiler.rangechecks.TestRangeCheckHoistingScaledIV
|
|
*/
|
|
|
|
package compiler.rangechecks;
|
|
|
|
import java.lang.foreign.MemorySegment;
|
|
import java.nio.ByteOrder;
|
|
|
|
import jdk.incubator.vector.ByteVector;
|
|
import jdk.incubator.vector.VectorSpecies;
|
|
import jdk.test.lib.process.OutputAnalyzer;
|
|
import jdk.test.lib.process.ProcessTools;
|
|
|
|
public class TestRangeCheckHoistingScaledIV {
|
|
|
|
// Inner class for test loops
|
|
class Launcher {
|
|
private static final int SIZE = 16000;
|
|
private static final VectorSpecies<Byte> SPECIES = ByteVector.SPECIES_64;
|
|
private static final ByteOrder ORDER = ByteOrder.nativeOrder();
|
|
|
|
private static byte[] ta = new byte[SIZE];
|
|
private static byte[] tb = new byte[SIZE];
|
|
|
|
private static MemorySegment sa = MemorySegment.ofArray(ta);
|
|
private static MemorySegment sb = MemorySegment.ofArray(tb);
|
|
|
|
private static int count = 789;
|
|
|
|
// Normal array accesses with int range checks
|
|
public static void scaledIntIV() {
|
|
for (int i = 0; i < count; i += 2) {
|
|
tb[7 * i] = ta[3 * i];
|
|
}
|
|
}
|
|
|
|
// Memory segment accesses with long range checks
|
|
public static void scaledLongIV() {
|
|
for (long l = 0; l < count; l += 64) {
|
|
ByteVector v = ByteVector.fromMemorySegment(SPECIES, sa, l * 6, ORDER);
|
|
v.intoMemorySegment(sb, l * 15, ORDER);
|
|
}
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
for (int i = 0; i < 20000; i++) {
|
|
scaledIntIV();
|
|
scaledLongIV();
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(
|
|
"--add-modules", "jdk.incubator.vector",
|
|
"-Xbatch", "-XX:+TraceLoopPredicate", Launcher.class.getName());
|
|
OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
|
|
analyzer.shouldHaveExitValue(0);
|
|
analyzer.outputTo(System.out);
|
|
|
|
// Check if int range checks are hoisted
|
|
analyzer.stdoutShouldContain("rc_predicate init * 3");
|
|
analyzer.stdoutShouldContain("rc_predicate init * 7");
|
|
|
|
// Check if long range checks are hoisted
|
|
analyzer.stdoutShouldContain("rc_predicate init * 6");
|
|
analyzer.stdoutShouldContain("rc_predicate init * 15");
|
|
}
|
|
}
|