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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64RawNativeCallNode.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents 8fc336a04d77
children 0e095e2c24e2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.amd64;
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24
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48c1ebd24120 renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
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25 import com.oracle.jvmci.code.CallingConvention;
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26 import com.oracle.jvmci.meta.ResolvedJavaType;
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27 import com.oracle.jvmci.meta.JavaType;
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28 import com.oracle.jvmci.meta.Value;
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29 import com.oracle.jvmci.meta.JavaConstant;
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30 import com.oracle.jvmci.meta.Kind;
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31 import com.oracle.jvmci.code.CallingConvention.Type;
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32 import com.oracle.graal.compiler.amd64.*;
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33 import com.oracle.graal.compiler.common.type.*;
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34 import com.oracle.graal.graph.*;
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35 import com.oracle.graal.nodeinfo.*;
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36 import com.oracle.graal.nodes.*;
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37 import com.oracle.graal.nodes.spi.*;
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38
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39 @NodeInfo
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40 public final class AMD64RawNativeCallNode extends FixedWithNextNode implements LIRLowerable {
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41 public static final NodeClass<AMD64RawNativeCallNode> TYPE = NodeClass.create(AMD64RawNativeCallNode.class);
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42
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43 protected final JavaConstant functionPointer;
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44 @Input NodeInputList<ValueNode> args;
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45
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46 public AMD64RawNativeCallNode(Kind returnType, JavaConstant functionPointer, ValueNode[] args) {
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47 super(TYPE, StampFactory.forKind(returnType));
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48 this.functionPointer = functionPointer;
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49 this.args = new NodeInputList<>(this, args);
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50 }
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51
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52 @Override
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53 public void generate(NodeLIRBuilderTool generator) {
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54 AMD64NodeLIRBuilder gen = (AMD64NodeLIRBuilder) generator;
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55 Value[] parameter = new Value[args.count()];
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56 JavaType[] parameterTypes = new JavaType[args.count()];
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57 for (int i = 0; i < args.count(); i++) {
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58 parameter[i] = generator.operand(args.get(i));
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59 parameterTypes[i] = args.get(i).stamp().javaType(gen.getLIRGeneratorTool().getMetaAccess());
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60 }
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61 ResolvedJavaType returnType = stamp().javaType(gen.getLIRGeneratorTool().getMetaAccess());
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62 CallingConvention cc = generator.getLIRGeneratorTool().getCodeCache().getRegisterConfig().getCallingConvention(Type.NativeCall, returnType, parameterTypes,
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63 generator.getLIRGeneratorTool().target(), false);
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64 gen.getLIRGeneratorTool().emitCCall(functionPointer.asLong(), cc, parameter, countFloatingTypeArguments(args));
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65 if (this.getKind() != Kind.Void) {
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66 generator.setResult(this, gen.getLIRGeneratorTool().emitMove(cc.getReturn()));
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67 }
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68 }
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69
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70 private static int countFloatingTypeArguments(NodeInputList<ValueNode> args) {
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71 int count = 0;
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72 for (ValueNode n : args) {
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73 if (n.getKind() == Kind.Double || n.getKind() == Kind.Float) {
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74 count++;
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75 }
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76 }
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77 if (count > 8) {
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78 return 8;
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79 }
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80 return count;
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81 }
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82
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83 }