87 lines
3.8 KiB
Java
87 lines
3.8 KiB
Java
/*
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* Copyright (c) 2023, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package compiler.c2.irTests;
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import compiler.lib.ir_framework.*;
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import jdk.test.lib.Utils;
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import jdk.internal.misc.Unsafe;
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import java.util.Objects;
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import java.util.Random;
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/*
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* @test
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* @bug 8300256
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* @modules java.base/jdk.internal.misc
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* @library /test/lib /
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* @run driver compiler.c2.irTests.TestVectorizationNotRun
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*/
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public class TestVectorizationNotRun {
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private static final Unsafe UNSAFE = Unsafe.getUnsafe();
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public static void main(String[] args) {
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// Cross-product: +-AlignVector and +-UseCompactObjectHeaders
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TestFramework.runWithFlags("--add-modules", "java.base", "--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED",
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"-XX:+UnlockExperimentalVMOptions", "-XX:-UseCompactObjectHeaders",
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"-XX:-AlignVector");
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TestFramework.runWithFlags("--add-modules", "java.base", "--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED",
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"-XX:+UnlockExperimentalVMOptions", "-XX:-UseCompactObjectHeaders",
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"-XX:+AlignVector");
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TestFramework.runWithFlags("--add-modules", "java.base", "--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED",
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"-XX:+UnlockExperimentalVMOptions", "-XX:+UseCompactObjectHeaders",
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"-XX:-AlignVector");
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TestFramework.runWithFlags("--add-modules", "java.base", "--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED",
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"-XX:+UnlockExperimentalVMOptions", "-XX:+UseCompactObjectHeaders",
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"-XX:+AlignVector");
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}
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static int size = 1024;
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static int sizeBytes = 8 * size;
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static byte[] byteArray = new byte[sizeBytes];
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static long[] longArray = new long[size];
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@Test
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@IR(counts = { IRNode.LOAD_VECTOR_L, ">=1", IRNode.STORE_VECTOR, ">=1" },
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applyIfOr = { "UseCompactObjectHeaders", "false", "AlignVector", "false" },
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applyIfPlatform = {"64-bit", "true"},
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applyIfCPUFeatureOr = {"sse4.1", "true", "asimd", "true"})
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public static void test(byte[] dest, long[] src) {
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for (int i = 0; i < src.length; i++) {
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if ((i < 0) || (8 > sizeBytes - i)) {
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throw new IndexOutOfBoundsException();
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}
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UNSAFE.putLongUnaligned(dest, UNSAFE.ARRAY_BYTE_BASE_OFFSET + i * 8, src[i]);
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// For UseCompactObjectHeaders and AlignVector, we must 8-byte align all vector loads/stores.
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// But the long-stores to the byte-array are never aligned:
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// adr = base + UNSAFE.ARRAY_BYTE_BASE_OFFSET + 8*iter
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// = 16 (or 12 if UseCompactObjectHeaders=true)
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}
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}
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@Run(test = "test")
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public static void test_runner() {
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test(byteArray, longArray);
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}
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}
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