/*

 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. 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 org.graalvm.compiler.replacements.nodes;

import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;

import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;

import org.graalvm.compiler.core.common.LIRKind;

import org.graalvm.compiler.core.common.type.StampFactory;

import org.graalvm.compiler.graph.NodeClass;

import org.graalvm.compiler.nodeinfo.NodeInfo;

import org.graalvm.compiler.nodes.FixedWithNextNode;

import org.graalvm.compiler.nodes.StateSplit;

import org.graalvm.compiler.nodes.ValueNode;

import org.graalvm.compiler.nodes.extended.RawStoreNode;

import org.graalvm.compiler.nodes.spi.LIRLowerable;

import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;

import jdk.vm.ci.meta.JavaKind;

import jdk.vm.ci.meta.Value;

/**

 * A special purpose store node that differs from {@link RawStoreNode} in that it is not a

 * {@link StateSplit} and takes a computed address instead of an object.

 */

@NodeInfo(cycles = CYCLES_2, size = SIZE_1)

public final class DirectStoreNode extends FixedWithNextNode implements LIRLowerable {

    public static final NodeClass<DirectStoreNode> TYPE = NodeClass.create(DirectStoreNode.class);

    @Input protected ValueNode address;

    @Input protected ValueNode value;

    protected final JavaKind kind;

    public DirectStoreNode(ValueNode address, ValueNode value, JavaKind kind) {

        super(TYPE, StampFactory.forVoid());

        this.address = address;

        this.value = value;

        this.kind = kind;

    }

    @Override

    public void generate(NodeLIRBuilderTool gen) {

        Value v = gen.operand(value);

        LIRKind lirKind = LIRKind.fromJavaKind(gen.getLIRGeneratorTool().target().arch, kind);

        gen.getLIRGeneratorTool().getArithmetic().emitStore(lirKind, gen.operand(address), v, null);

    }

    public ValueNode getAddress() {

        return address;

    }

    public ValueNode getValue() {

        return value;

    }

    @NodeIntrinsic

    public static native void storeBoolean(long address, boolean value, @ConstantNodeParameter JavaKind kind);

}