Mercurial > hg > truffle
view graal/com.oracle.graal.snippets/src/com/oracle/graal/snippets/NodeClassSnippets.java @ 5885:d172b68e7762
allow array length canonicalization on InitializeArrayNode
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 17 Aug 2012 14:12:39 +0200 |
parents | a891c53a295b |
children | 2e577202843c |
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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.graal.snippets; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.extended.*; /** * Snippets for improving the performance of some critical methods in {@link NodeClass} methods. * These snippets improve the performance by forcing the relevant methods to be inlined * (intrinsification being a special form of inlining) and removing a checked cast. * The latter cannot be done directly in Java code as {@link UnsafeCastNode} * is not available to the project containing {@link NodeClass}. */ @SuppressWarnings("unused") @ClassSubstitution(NodeClass.class) public class NodeClassSnippets implements SnippetsInterface { private static Node getNode(Node node, long offset) { return UnsafeCastNode.cast(UnsafeLoadNode.load(node, 0, offset, Kind.Object), Node.class); } private static NodeList<Node> getNodeList(Node node, long offset) { return UnsafeCastNode.cast(UnsafeLoadNode.load(node, 0, offset, Kind.Object), NodeList.class); } private static void putNode(Node node, long offset, Node value) { UnsafeStoreNode.store(node, 0, offset, value, Kind.Object); } private static void putNodeList(Node node, long offset, NodeList value) { UnsafeStoreNode.store(node, 0, offset, value, Kind.Object); } }