package org.graalvm.compiler.nodes.java;
import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_8;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.NodeView;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.memory.address.AddressNode;
import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
import jdk.internal.vm.compiler.word.LocationIdentity;
@NodeInfo(cycles = CYCLES_8, size = SIZE_8)
public final class ValueCompareAndSwapNode extends AbstractCompareAndSwapNode {
public static final NodeClass<ValueCompareAndSwapNode> TYPE = NodeClass.create(ValueCompareAndSwapNode.class);
public ValueCompareAndSwapNode(ValueNode address, ValueNode expectedValue, ValueNode newValue, LocationIdentity location) {
this((AddressNode) address, expectedValue, newValue, location, BarrierType.NONE);
}
public ValueCompareAndSwapNode(AddressNode address, ValueNode expectedValue, ValueNode newValue, LocationIdentity location, BarrierType barrierType) {
super(TYPE, address, location, expectedValue, newValue, barrierType, expectedValue.stamp(NodeView.DEFAULT).meet(newValue.stamp(NodeView.DEFAULT)).unrestricted());
}
@Override
public void generate(NodeLIRBuilderTool gen) {
assert getNewValue().stamp(NodeView.DEFAULT).isCompatible(getExpectedValue().stamp(NodeView.DEFAULT));
LIRGeneratorTool tool = gen.getLIRGeneratorTool();
assert !this.canDeoptimize();
gen.setResult(this, tool.emitValueCompareAndSwap(tool.getLIRKind(getAccessStamp()), gen.operand(getAddress()), gen.operand(getExpectedValue()), gen.operand(getNewValue())));
}
}