Mercurial > hg > truffle
view graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/IntrinsifyArrayCopyPhase.java @ 4412:ccbdd90bf356
Add new arraycopy intrinsics : Object (when no storecheck required), Float and Double
author | Gilles Duboscq <duboscq@ssw.jku.at> |
---|---|
date | Mon, 30 Jan 2012 15:08:49 +0100 |
parents | aaac4894175c |
children | 97e0fb1f4906 |
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/* * Copyright (c) 2011, 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.max.graal.snippets; import java.lang.reflect.*; import com.oracle.max.cri.ci.*; import com.oracle.max.cri.ri.*; import com.oracle.max.graal.compiler.phases.*; import com.oracle.max.graal.compiler.util.*; import com.oracle.max.graal.cri.*; import com.oracle.max.graal.graph.*; import com.oracle.max.graal.nodes.*; import com.oracle.max.graal.nodes.java.*; public class IntrinsifyArrayCopyPhase extends Phase { private final GraalRuntime runtime; private RiResolvedMethod arrayCopy; private RiResolvedMethod byteArrayCopy; private RiResolvedMethod shortArrayCopy; private RiResolvedMethod charArrayCopy; private RiResolvedMethod intArrayCopy; private RiResolvedMethod longArrayCopy; private RiResolvedMethod floatArrayCopy; private RiResolvedMethod doubleArrayCopy; private RiResolvedMethod objectArrayCopy; public IntrinsifyArrayCopyPhase(GraalRuntime runtime) { this.runtime = runtime; try { byteArrayCopy = getArrayCopySnippet(runtime, byte.class); charArrayCopy = getArrayCopySnippet(runtime, char.class); shortArrayCopy = getArrayCopySnippet(runtime, short.class); intArrayCopy = getArrayCopySnippet(runtime, int.class); longArrayCopy = getArrayCopySnippet(runtime, long.class); floatArrayCopy = getArrayCopySnippet(runtime, float.class); doubleArrayCopy = getArrayCopySnippet(runtime, double.class); objectArrayCopy = getArrayCopySnippet(runtime, Object.class); arrayCopy = runtime.getRiMethod(System.class.getDeclaredMethod("arraycopy", Object.class, int.class, Object.class, int.class, int.class)); } catch (SecurityException e) { e.printStackTrace(); } catch (NoSuchMethodException e) { e.printStackTrace(); } } private static RiResolvedMethod getArrayCopySnippet(RiRuntime runtime, Class<?> componentClass) throws NoSuchMethodException { Class<?> arrayClass = Array.newInstance(componentClass, 0).getClass(); return runtime.getRiMethod(ArrayCopySnippets.class.getDeclaredMethod("arraycopy", arrayClass, int.class, arrayClass, int.class, int.class)); } @Override protected void run(StructuredGraph graph) { for (MethodCallTargetNode methodCallTarget : graph.getNodes(MethodCallTargetNode.class)) { RiResolvedMethod targetMethod = methodCallTarget.targetMethod(); RiResolvedMethod snippetMethod = null; if (targetMethod == arrayCopy) { ValueNode src = methodCallTarget.arguments().get(0); ValueNode dest = methodCallTarget.arguments().get(2); if (src == null || dest == null) { //TODO (gd) this should never be null : check return; } RiResolvedType srcDeclaredType = src.declaredType(); RiResolvedType destDeclaredType = dest.declaredType(); if (srcDeclaredType != null && srcDeclaredType.isArrayClass() && destDeclaredType != null && destDeclaredType.isArrayClass()) { CiKind componentKind = srcDeclaredType.componentType().kind(false); if (srcDeclaredType.componentType() == destDeclaredType.componentType()) { if (componentKind == CiKind.Int) { snippetMethod = intArrayCopy; } else if (componentKind == CiKind.Char) { snippetMethod = charArrayCopy; } else if (componentKind == CiKind.Long) { snippetMethod = longArrayCopy; } else if (componentKind == CiKind.Byte) { snippetMethod = byteArrayCopy; } else if (componentKind == CiKind.Short) { snippetMethod = shortArrayCopy; } else if (componentKind == CiKind.Float) { snippetMethod = floatArrayCopy; } else if (componentKind == CiKind.Double) { snippetMethod = doubleArrayCopy; } else if (componentKind == CiKind.Object) { snippetMethod = objectArrayCopy; } } else if (componentKind == CiKind.Object && srcDeclaredType.componentType().isSubtypeOf(destDeclaredType.componentType())) { snippetMethod = objectArrayCopy; } } } if (snippetMethod != null) { StructuredGraph snippetGraph = (StructuredGraph) snippetMethod.compilerStorage().get(Graph.class); assert snippetGraph != null : "ArrayCopySnippets should be installed"; //TTY.println(" > Intinsify"); InliningUtil.inline(methodCallTarget.invoke(), snippetGraph, false); } } new CanonicalizerPhase(null, runtime, null).apply(graph); } }