Mercurial > hg > graal-compiler
view graal/com.oracle.graal.compiler.aarch64/src/com/oracle/graal/compiler/aarch64/AArch64AddressNode.java @ 23349:1e8342f17731
[AArch64]: A bunch of fixes and improvements.
author | twisti |
---|---|
date | Fri, 22 Jan 2016 13:50:04 -1000 |
parents | |
children | 827874f0eba1 |
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/* * Copyright (c) 2016, 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.compiler.aarch64; import com.oracle.graal.asm.aarch64.AArch64Address; import com.oracle.graal.asm.aarch64.AArch64Address.AddressingMode; import com.oracle.graal.graph.NodeClass; import com.oracle.graal.lir.aarch64.AArch64AddressValue; import com.oracle.graal.lir.gen.LIRGeneratorTool; import com.oracle.graal.nodeinfo.NodeInfo; import com.oracle.graal.nodes.ValueNode; import com.oracle.graal.nodes.memory.address.AddressNode; import com.oracle.graal.nodes.spi.LIRLowerable; import com.oracle.graal.nodes.spi.NodeLIRBuilderTool; import jdk.vm.ci.meta.AllocatableValue; import jdk.vm.ci.meta.LIRKind; import jdk.vm.ci.meta.Value; /** * Represents an address of the form... TODO. */ @NodeInfo public class AArch64AddressNode extends AddressNode implements LIRLowerable { public static final NodeClass<AArch64AddressNode> TYPE = NodeClass.create(AArch64AddressNode.class); @OptionalInput private ValueNode base; @OptionalInput private ValueNode index; private AArch64Address.AddressingMode addressingMode; private int displacement; public AArch64AddressNode(ValueNode base) { this(base, null); } public AArch64AddressNode(ValueNode base, ValueNode index) { super(TYPE); this.base = base; this.index = index; this.addressingMode = AddressingMode.IMMEDIATE_UNSCALED; } public void generate(NodeLIRBuilderTool gen) { LIRGeneratorTool tool = gen.getLIRGeneratorTool(); AllocatableValue baseValue = base == null ? Value.ILLEGAL : tool.asAllocatable(gen.operand(base)); AllocatableValue indexValue = index == null ? Value.ILLEGAL : tool.asAllocatable(gen.operand(index)); AllocatableValue baseReference = LIRKind.derivedBaseFromValue(baseValue); AllocatableValue indexReference; if (addressingMode.equals(AddressingMode.IMMEDIATE_UNSCALED)) { indexReference = LIRKind.derivedBaseFromValue(indexValue); } else { if (indexValue.getLIRKind().isValue()) { indexReference = null; } else { indexReference = Value.ILLEGAL; } } LIRKind kind = LIRKind.combineDerived(tool.getLIRKind(stamp()), baseReference, indexReference); gen.setResult(this, new AArch64AddressValue(kind, baseValue, indexValue, displacement, false, addressingMode)); } public ValueNode getBase() { return base; } public void setBase(ValueNode base) { // allow modification before inserting into the graph if (isAlive()) { updateUsages(this.base, base); } this.base = base; } public ValueNode getIndex() { return index; } public void setIndex(ValueNode index) { // allow modification before inserting into the graph if (isAlive()) { updateUsages(this.index, index); } this.index = index; } public int getDisplacement() { return displacement; } public void setDisplacement(int displacement) { this.displacement = displacement; } }