# HG changeset patch # User Thomas Wuerthinger # Date 1422008900 -3600 # Node ID a565742332531998a910f688d72192f66a64470a # Parent 07f2a49f0bfbc3be6e3a535aa094a92d21f882ae Remove TailcallNode. diff -r 07f2a49f0bfb -r a56574233253 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/TailcallNode.java --- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/TailcallNode.java Fri Jan 23 15:51:35 2015 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,72 +0,0 @@ -/* - * Copyright (c) 2011, 2014, 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.hotspot.nodes; - -import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; - -import java.util.*; - -import com.oracle.graal.api.code.*; -import com.oracle.graal.api.meta.*; -import com.oracle.graal.compiler.common.type.*; -import com.oracle.graal.hotspot.*; -import com.oracle.graal.lir.gen.*; -import com.oracle.graal.nodeinfo.*; -import com.oracle.graal.nodes.*; -import com.oracle.graal.nodes.spi.*; - -/** - * Performs a tail call to the specified target compiled method, with the parameter taken from the - * supplied FrameState. - */ -@NodeInfo -public class TailcallNode extends FixedWithNextNode implements LIRLowerable { - - @Input(InputType.State) FrameState frameState; - @Input ValueNode target; - - public TailcallNode(ValueNode target, FrameState frameState) { - super(StampFactory.forVoid()); - this.target = target; - this.frameState = frameState; - } - - public void generate(NodeLIRBuilderTool gen) { - HotSpotVMConfig config = runtime().getConfig(); - LIRGeneratorTool lirGen = gen.getLIRGeneratorTool(); - ResolvedJavaMethod method = frameState.method(); - boolean isStatic = method.isStatic(); - - JavaType[] signature = method.getSignature().toParameterTypes(isStatic ? null : method.getDeclaringClass()); - CallingConvention cc = lirGen.getResult().getFrameMapBuilder().getRegisterConfig().getCallingConvention(CallingConvention.Type.JavaCall, null, signature, lirGen.target(), false); - List parameters = new ArrayList<>(); - for (int i = 0, slot = 0; i < cc.getArgumentCount(); i++, slot += frameState.localAt(slot).getKind().getSlotCount()) { - parameters.add(frameState.localAt(slot)); - } - Value[] args = gen.visitInvokeArguments(cc, parameters); - Value address = lirGen.emitAddress(gen.operand(target), config.nmethodEntryOffset, Value.ILLEGAL, 0); - Value entry = lirGen.emitLoad(LIRKind.value(Kind.Long), address, null); - HotSpotLIRGenerator hsgen = (HotSpotLIRGenerator) gen; - hsgen.emitTailcall(args, entry); - } -}