Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ForeignCallNode.java @ 14850:fbae9be45c95
Merge.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Wed, 26 Mar 2014 20:44:11 +0100 |
parents | 47e4d2e01c6e 6ae9af961b7c |
children | f49e2f9cbdc3 |
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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 java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * Node for a {@linkplain ForeignCallDescriptor foreign} call. */ @NodeInfo(nameTemplate = "ForeignCall#{p#descriptor/s}") public class ForeignCallNode extends AbstractMemoryCheckpoint implements LIRLowerable, DeoptimizingNode.DeoptDuring, MemoryCheckpoint.Multi { @Input private final NodeInputList<ValueNode> arguments; private final ForeignCallsProvider foreignCalls; @Input private FrameState deoptState; private final ForeignCallDescriptor descriptor; public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, ValueNode... arguments) { super(StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType()))); this.arguments = new NodeInputList<>(this, arguments); this.descriptor = descriptor; this.foreignCalls = foreignCalls; } public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, List<ValueNode> arguments) { this(foreignCalls, descriptor, StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType())), arguments); } public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp, List<ValueNode> arguments) { super(stamp); this.arguments = new NodeInputList<>(this, arguments); this.descriptor = descriptor; this.foreignCalls = foreignCalls; } protected ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp) { super(stamp); this.arguments = new NodeInputList<>(this); this.descriptor = descriptor; this.foreignCalls = foreignCalls; } @Override public boolean hasSideEffect() { return !foreignCalls.isReexecutable(descriptor); } public ForeignCallDescriptor getDescriptor() { return descriptor; } @Override public LocationIdentity[] getLocationIdentities() { return foreignCalls.getKilledLocations(descriptor); } protected Value[] operands(NodeLIRGeneratorTool gen) { Value[] operands = new Value[arguments.size()]; for (int i = 0; i < operands.length; i++) { operands[i] = gen.operand(arguments.get(i)); } return operands; } @Override public void generate(NodeLIRGeneratorTool gen) { ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(descriptor); Value[] operands = operands(gen); Value result = gen.getLIRGeneratorTool().emitForeignCall(linkage, this, operands); if (result != null) { gen.setResult(this, result); } } @Override public FrameState stateDuring() { return deoptState; } @Override public void setStateDuring(FrameState stateDuring) { updateUsages(deoptState, stateDuring); deoptState = stateDuring; } @Override public void computeStateDuring(FrameState stateAfter) { FrameState stateDuring; if ((stateAfter.stackSize() > 0 && stateAfter.stackAt(stateAfter.stackSize() - 1) == this) || (stateAfter.stackSize() > 1 && stateAfter.stackAt(stateAfter.stackSize() - 2) == this)) { stateDuring = stateAfter.duplicateModified(stateAfter.bci, stateAfter.rethrowException(), this.getKind()); } else { stateDuring = stateAfter; } setStateDuring(stateDuring); } @Override public String toString(Verbosity verbosity) { if (verbosity == Verbosity.Name) { return super.toString(verbosity) + "#" + descriptor; } return super.toString(verbosity); } @Override public boolean canDeoptimize() { return foreignCalls.canDeoptimize(descriptor); } }