1 /*
  2  * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 package org.openjdk.bench.valhalla.field.set;
 24 
 25 import jdk.internal.vm.annotation.LooselyConsistentValue;
 26 import jdk.internal.vm.annotation.NullRestricted;
 27 import jdk.internal.vm.annotation.Strict;
 28 import org.openjdk.jmh.annotations.Benchmark;
 29 import org.openjdk.jmh.annotations.CompilerControl;
 30 import org.openjdk.jmh.annotations.Fork;
 31 import org.openjdk.jmh.annotations.Setup;
 32 
 33 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
 34 public class Value032NullFreeNonAtomic extends SetBase {
 35 
 36     public static class ValWrapper {
 37         @Strict
 38         @NullRestricted
 39         public ValueInt f;
 40 
 41         public ValWrapper(ValueInt f) {
 42             this.f = f;
 43         }
 44     }
 45 
 46     public interface InterfaceInt {
 47         public int value();
 48     }
 49 
 50     @LooselyConsistentValue
 51     public static value class ValueInt implements InterfaceInt {
 52         public final int value;
 53         public ValueInt(int value) {
 54             this.value = value;
 55         }
 56         public int value() {
 57             return value;
 58         }
 59     }
 60 
 61 
 62     public static class RefState extends SizeState {
 63         public ValWrapper[] arr;
 64 
 65         @Setup
 66         public void setup() {
 67             arr = new ValWrapper[size];
 68             for (int i = 0; i < size; i++) {
 69                 arr[i] = new ValWrapper(new ValueInt(i));
 70             }
 71         }
 72     }
 73 
 74     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 75     public ValueInt get_val(int i) {
 76         return new ValueInt(i);
 77     }
 78 
 79     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 80     public void set_new(ValWrapper[] dst) {
 81         for (int i = 0; i < dst.length; i++) {
 82             dst[i].f = new ValueInt(i);
 83         }
 84     }
 85 
 86     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 87     public void set_call(ValWrapper[] dst) {
 88         for (int i = 0; i < dst.length; i++) {
 89             dst[i].f = get_val(i);
 90         }
 91     }
 92 
 93     @Benchmark
 94     public void set_new_val(RefState st1) {
 95         set_new(st1.arr);
 96     }
 97 
 98     @Benchmark
 99     public void set_call_val(RefState st1) {
100         set_call(st1.arr);
101     }
102 
103 }