Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64RawNativeCallNode.java @ 21345:a818a6a57ef4
LIRTest: make LIRTestSpecification accessible.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Tue, 12 May 2015 17:56:02 +0200 |
parents | 8fc336a04d77 |
children | 48c1ebd24120 |
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/* * Copyright (c) 2014, 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.amd64; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.CallingConvention.Type; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.amd64.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; @NodeInfo public final class AMD64RawNativeCallNode extends FixedWithNextNode implements LIRLowerable { public static final NodeClass<AMD64RawNativeCallNode> TYPE = NodeClass.create(AMD64RawNativeCallNode.class); protected final JavaConstant functionPointer; @Input NodeInputList<ValueNode> args; public AMD64RawNativeCallNode(Kind returnType, JavaConstant functionPointer, ValueNode[] args) { super(TYPE, StampFactory.forKind(returnType)); this.functionPointer = functionPointer; this.args = new NodeInputList<>(this, args); } @Override public void generate(NodeLIRBuilderTool generator) { AMD64NodeLIRBuilder gen = (AMD64NodeLIRBuilder) generator; Value[] parameter = new Value[args.count()]; JavaType[] parameterTypes = new JavaType[args.count()]; for (int i = 0; i < args.count(); i++) { parameter[i] = generator.operand(args.get(i)); parameterTypes[i] = args.get(i).stamp().javaType(gen.getLIRGeneratorTool().getMetaAccess()); } ResolvedJavaType returnType = stamp().javaType(gen.getLIRGeneratorTool().getMetaAccess()); CallingConvention cc = generator.getLIRGeneratorTool().getCodeCache().getRegisterConfig().getCallingConvention(Type.NativeCall, returnType, parameterTypes, generator.getLIRGeneratorTool().target(), false); gen.getLIRGeneratorTool().emitCCall(functionPointer.asLong(), cc, parameter, countFloatingTypeArguments(args)); if (this.getKind() != Kind.Void) { generator.setResult(this, gen.getLIRGeneratorTool().emitMove(cc.getReturn())); } } private static int countFloatingTypeArguments(NodeInputList<ValueNode> args) { int count = 0; for (ValueNode n : args) { if (n.getKind() == Kind.Double || n.getKind() == Kind.Float) { count++; } } if (count > 8) { return 8; } return count; } }