Mercurial > hg > graal-jvmci-8
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/TernaryNode.java @ 8240:33e08aca06ff
Codegen API change. Simplified definition of guards.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Fri, 01 Mar 2013 18:04:23 +0100 |
parents | 698cd036a1ca |
children | aa9ffb3a715e |
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/* * Copyright (c) 2012, 2012, 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; import java.math.*; import com.oracle.truffle.api.codegen.*; @SuppressWarnings("unused") @ExecuteChildren({"conditionNode", "ifPartNode", "elsePartNode"}) public abstract class TernaryNode extends TypedNode { @Child protected ConditionNode conditionNode; @Child protected TypedNode ifPartNode; @Child protected TypedNode elsePartNode; public TernaryNode(ConditionNode condition, TypedNode ifPart, TypedNode elsePart) { this.conditionNode = adoptChild(condition); this.ifPartNode = adoptChild(ifPart); this.elsePartNode = adoptChild(elsePart); } public TernaryNode(TernaryNode condition) { this(condition.conditionNode, condition.ifPartNode, condition.elsePartNode); } @ShortCircuit("ifPartNode") public boolean needsIfPart(boolean condition) { return condition; } @ShortCircuit("elsePartNode") public boolean needsElsePart(boolean condition, boolean hasIfPart, Object ifPart) { return !hasIfPart; } @Specialization public int doInteger(boolean condition, boolean hasIfPart, int ifPart, boolean hasElsePart, int elsePart) { return hasIfPart ? ifPart : elsePart; } @Specialization public BigInteger doBigInteger(boolean condition, boolean hasIfPart, BigInteger ifPart, boolean hasElsePart, BigInteger elsePart) { return hasIfPart ? ifPart : elsePart; } @Generic public Object doGeneric(boolean condition, boolean hasIfPart, Object ifPart, boolean hasElsePart, Object elsePart) { return hasIfPart ? ifPart : elsePart; } }