Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/EnterUnpackFramesStackFrameNode.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 | 77981382473e |
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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.api.meta.*; 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.*; import com.oracle.graal.word.*; /** * Emits code to enter a low-level stack frame specifically to call out to the C++ method * {@link HotSpotBackend#UNPACK_FRAMES Deoptimization::unpack_frames}. */ @NodeInfo public class EnterUnpackFramesStackFrameNode extends FixedWithNextNode implements LIRLowerable { @Input ValueNode framePc; @Input ValueNode senderSp; @Input ValueNode senderFp; @Input SaveAllRegistersNode registerSaver; public static EnterUnpackFramesStackFrameNode create(ValueNode framePc, ValueNode senderSp, ValueNode senderFp, ValueNode registerSaver) { return USE_GENERATED_NODES ? new EnterUnpackFramesStackFrameNodeGen(framePc, senderSp, senderFp, registerSaver) : new EnterUnpackFramesStackFrameNode(framePc, senderSp, senderFp, registerSaver); } protected EnterUnpackFramesStackFrameNode(ValueNode framePc, ValueNode senderSp, ValueNode senderFp, ValueNode registerSaver) { super(StampFactory.forVoid()); this.framePc = framePc; this.senderSp = senderSp; this.senderFp = senderFp; this.registerSaver = (SaveAllRegistersNode) registerSaver; } private SaveRegistersOp getSaveRegistersOp() { return registerSaver.getSaveRegistersOp(); } @Override public void generate(NodeLIRBuilderTool gen) { Value operandValue = gen.operand(framePc); Value senderSpValue = gen.operand(senderSp); Value senderFpValue = gen.operand(senderFp); ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitEnterUnpackFramesStackFrame(operandValue, senderSpValue, senderFpValue, getSaveRegistersOp()); } @NodeIntrinsic public static native void enterUnpackFramesStackFrame(Word framePc, Word senderSp, Word senderFp, long registerSaver); }