Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/OrNode.java @ 17450:45b45f902bed
removed Node generation (GRAAL-857)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 15 Oct 2014 15:35:33 +0200 |
parents | 83c3dd41ca64 |
children | 9619ba4daf4c |
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/* * Copyright (c) 2011, 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.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.compiler.common.type.ArithmeticOpTable.BinaryOp.Or; import com.oracle.graal.graph.spi.*; import com.oracle.graal.lir.gen.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.util.*; @NodeInfo(shortName = "|") public class OrNode extends BinaryArithmeticNode<Or> { public static OrNode create(ValueNode x, ValueNode y) { return new OrNode(x, y); } protected OrNode(ValueNode x, ValueNode y) { super(ArithmeticOpTable::getOr, x, y); } @Override public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) { ValueNode ret = super.canonical(tool, forX, forY); if (ret != this) { return ret; } if (GraphUtil.unproxify(forX) == GraphUtil.unproxify(forY)) { return forX; } if (forX.isConstant() && !forY.isConstant()) { return create(forY, forX); } if (forY.isConstant()) { Constant c = forY.asConstant(); if (getOp(forX, forY).isNeutral(c)) { return forX; } if (c.getKind().isNumericInteger()) { long rawY = c.asLong(); long mask = CodeUtil.mask(PrimitiveStamp.getBits(stamp())); if ((rawY & mask) == mask) { return ConstantNode.forIntegerStamp(stamp(), mask); } } return reassociate(this, ValueNode.isConstantPredicate(), forX, forY); } return this; } @Override public void generate(NodeMappableLIRBuilder builder, ArithmeticLIRGenerator gen) { builder.setResult(this, gen.emitOr(builder.operand(getX()), builder.operand(getY()))); } }