Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/LeaveCurrentStackFrameNode.java @ 16919:0fe4732e5181
made use of generated Node classes predicated on value of graal.useGeneratedNodes system property (default is false)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 Aug 2014 13:45:12 +0200 |
parents | f90dcdbbb75e |
children | 45b45f902bed |
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/* * Copyright (c) 2013, 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 com.oracle.graal.compiler.common.type.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.lir.StandardOp.SaveRegistersOp; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; /** * Emits code to leave (pop) the current low-level stack frame. This operation also removes the * return address if its location is on the stack. */ @NodeInfo public class LeaveCurrentStackFrameNode extends FixedWithNextNode implements LIRLowerable { @Input SaveAllRegistersNode registerSaver; public static LeaveCurrentStackFrameNode create(ValueNode registerSaver) { return USE_GENERATED_NODES ? new LeaveCurrentStackFrameNodeGen(registerSaver) : new LeaveCurrentStackFrameNode(registerSaver); } protected LeaveCurrentStackFrameNode(ValueNode registerSaver) { super(StampFactory.forVoid()); this.registerSaver = (SaveAllRegistersNode) registerSaver; } private SaveRegistersOp getSaveRegistersOp() { return registerSaver.getSaveRegistersOp(); } @Override public void generate(NodeLIRBuilderTool gen) { ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitLeaveCurrentStackFrame(getSaveRegistersOp()); } @NodeIntrinsic public static native void leaveCurrentStackFrame(long registerSaver); }