Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeCopyNode.java @ 22604:b00cc0475f31
Update jvmci import: Refactoring: Rename Kind to JavaKind.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 08 Sep 2015 19:57:39 +0200 |
parents | 0e095e2c24e2 |
children | 05183a084a08 |
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/* * Copyright (c) 2011, 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 com.oracle.graal.nodes.extended; import jdk.internal.jvmci.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; /** * Copy a value at a location specified as an offset relative to a source object to another location * specified as an offset relative to destination object. No null checks are performed. * * This node must be replaced during processing of node intrinsics with an {@link UnsafeLoadNode} * and {@link UnsafeStoreNode} pair. */ @NodeInfo public final class UnsafeCopyNode extends FixedWithNextNode implements StateSplit { public static final NodeClass<UnsafeCopyNode> TYPE = NodeClass.create(UnsafeCopyNode.class); @Input ValueNode sourceObject; @Input ValueNode destinationObject; @Input ValueNode sourceOffset; @Input ValueNode destinationOffset; protected final JavaKind accessKind; protected final LocationIdentity locationIdentity; @OptionalInput(InputType.State) FrameState stateAfter; public UnsafeCopyNode(ValueNode sourceObject, ValueNode sourceOffset, ValueNode destinationObject, ValueNode destinationOffset, JavaKind accessKind, LocationIdentity locationIdentity) { this(sourceObject, sourceOffset, destinationObject, destinationOffset, accessKind, locationIdentity, null); } public UnsafeCopyNode(ValueNode sourceObject, ValueNode sourceOffset, ValueNode destinationObject, ValueNode destinationOffset, JavaKind accessKind, LocationIdentity locationIdentity, FrameState stateAfter) { super(TYPE, StampFactory.forVoid()); this.sourceObject = sourceObject; this.sourceOffset = sourceOffset; this.destinationObject = destinationObject; this.destinationOffset = destinationOffset; this.accessKind = accessKind; this.locationIdentity = locationIdentity; this.stateAfter = stateAfter; assert accessKind != JavaKind.Void && accessKind != JavaKind.Illegal; } public ValueNode sourceObject() { return sourceObject; } public ValueNode destinationObject() { return destinationObject; } public LocationIdentity getLocationIdentity() { return locationIdentity; } public ValueNode sourceOffset() { return sourceOffset; } public ValueNode destinationOffset() { return destinationOffset; } public JavaKind accessKind() { return accessKind; } public FrameState stateAfter() { return stateAfter; } public void setStateAfter(FrameState x) { assert x == null || x.isAlive() : "frame state must be in a graph"; updateUsages(stateAfter, x); stateAfter = x; } public boolean hasSideEffect() { return true; } public FrameState getState() { return stateAfter; } @NodeIntrinsic public static native void copy(Object srcObject, long srcOffset, Object destObject, long destOffset, @ConstantNodeParameter JavaKind kind, @ConstantNodeParameter LocationIdentity locationIdentity); }