Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnaryArithmeticNode.java @ 17328:c9bb0da795d4
Backed out of changeset 17322:655f3e6b467b
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 03 Oct 2014 14:19:58 +0200 |
parents | 655f3e6b467b |
children | b3c10156d3d7 |
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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.nodes.calc; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.ArithmeticOpTable.UnaryOp; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; @NodeInfo public abstract class UnaryArithmeticNode extends UnaryNode implements ArithmeticLIRLowerable { protected final UnaryOp op; protected UnaryArithmeticNode(UnaryOp op, ValueNode value) { super(op.foldStamp(value.stamp()), value); this.op = op; } public UnaryOp getOp() { return op; } public Constant evalConst(Constant... inputs) { assert inputs.length == 1; return op.foldConstant(inputs[0]); } @Override public boolean inferStamp() { return updateStamp(op.foldStamp(getValue().stamp())); } @Override public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) { if (forValue.isConstant()) { return ConstantNode.forPrimitive(stamp(), op.foldConstant(forValue.asConstant())); } return this; } }