Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/call/SLDirectDispatchNode.java @ 13819:49db2c1e3bee
added support for co-existing GPU backends (JBS:GRAAL-1)
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 30 Jan 2014 00:52:33 +0100 |
parents | 5dfc531a5af1 |
children | b16ec83edc73 |
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/* * Copyright (c) 2013, 2013, 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.truffle.sl.nodes.call; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.runtime.*; final class SLDirectDispatchNode extends SLAbstractDispatchNode { protected final SLFunction cachedFunction; protected final RootCallTarget cachedCallTarget; protected final Assumption cachedCallTargetStable; @Child protected CallNode callNode; @Child protected SLAbstractDispatchNode nextNode; protected SLDirectDispatchNode(SLAbstractDispatchNode next, SLFunction cachedFunction) { this.cachedFunction = cachedFunction; this.cachedCallTarget = cachedFunction.getCallTarget(); this.cachedCallTargetStable = cachedFunction.getCallTargetStable(); this.callNode = adoptChild(CallNode.create(cachedCallTarget)); this.nextNode = adoptChild(next); } @Override protected Object executeCall(VirtualFrame frame, SLFunction function, SLArguments arguments) { if (this.cachedFunction == function) { try { cachedCallTargetStable.check(); return callNode.call(frame.pack(), arguments); } catch (InvalidAssumptionException ex) { /* * Remove ourselfs from the polymorphic inline cache, so that we fail the check only * once. */ replace(nextNode); /* * Execute the next node in the chain by falling out of the if block. */ } } return nextNode.executeCall(frame, function, arguments); } }