Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeStoreNode.java @ 11579:ae619d70bf4b
Rename LoweringType to GuardsPhase and make it an attribute of StructuredGraphs
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 10 Sep 2013 11:15:15 +0200 |
parents | 2ea604c4c6ec |
children | 4fc75b6ca3dd |
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/* * Copyright (c) 2011, 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 static com.oracle.graal.graph.UnsafeAccess.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * Store of a value at a location specified as an offset relative to an object. No null check is * performed before the store. */ public class UnsafeStoreNode extends UnsafeAccessNode implements StateSplit, Lowerable, Virtualizable, MemoryCheckpoint.Single { @Input private ValueNode value; @Input(notDataflow = true) private FrameState stateAfter; public UnsafeStoreNode(ValueNode object, int displacement, ValueNode offset, ValueNode value, Kind accessKind) { this(StampFactory.forVoid(), object, displacement, offset, value, accessKind); } public UnsafeStoreNode(Stamp stamp, ValueNode object, int displacement, ValueNode offset, ValueNode value, Kind accessKind) { super(stamp, object, displacement, offset, accessKind); assert accessKind != Kind.Void && accessKind != Kind.Illegal; this.value = value; } 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 ValueNode value() { return value; } @Override public void lower(LoweringTool tool) { tool.getRuntime().lower(this, tool); } @Override public LocationIdentity getLocationIdentity() { return LocationIdentity.ANY_LOCATION; } @Override public void virtualize(VirtualizerTool tool) { State state = tool.getObjectState(object()); if (state != null && state.getState() == EscapeState.Virtual) { ValueNode indexValue = tool.getReplacedValue(offset()); if (indexValue.isConstant()) { long offset = indexValue.asConstant().asLong() + displacement(); int entryIndex = state.getVirtualObject().entryIndexForOffset(offset); if (entryIndex != -1 && state.getVirtualObject().entryKind(entryIndex) == accessKind()) { tool.setVirtualEntry(state, entryIndex, value()); tool.delete(); } } } } @Override protected ValueNode cloneAsFieldAccess(ResolvedJavaField field) { StoreFieldNode storeFieldNode = graph().add(new StoreFieldNode(object(), field, value())); storeFieldNode.setStateAfter(stateAfter()); return storeFieldNode; } @Override protected ValueNode cloneWithZeroOffset(int intDisplacement) { UnsafeStoreNode unsafeStoreNode = graph().add(new UnsafeStoreNode(stamp(), object(), intDisplacement, ConstantNode.forInt(0, graph()), value(), accessKind())); unsafeStoreNode.setStateAfter(stateAfter()); return unsafeStoreNode; } // specialized on value type until boxing/unboxing is sorted out in intrinsification @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, Object value, @ConstantNodeParameter Kind kind) { unsafe.putObject(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, boolean value, @ConstantNodeParameter Kind kind) { unsafe.putBoolean(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, byte value, @ConstantNodeParameter Kind kind) { unsafe.putByte(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, char value, @ConstantNodeParameter Kind kind) { unsafe.putChar(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, double value, @ConstantNodeParameter Kind kind) { unsafe.putDouble(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, float value, @ConstantNodeParameter Kind kind) { unsafe.putFloat(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, int value, @ConstantNodeParameter Kind kind) { unsafe.putInt(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, long value, @ConstantNodeParameter Kind kind) { unsafe.putLong(object, offset + displacement, value); } @SuppressWarnings("unused") @NodeIntrinsic public static void store(Object object, @ConstantNodeParameter int displacement, long offset, short value, @ConstantNodeParameter Kind kind) { unsafe.putShort(object, offset + displacement, value); } }