Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/FloatMulNode.java @ 15198:2c0cfbf454b5
Move LIRTypeTool and Stamp to graal.compiler.common.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Thu, 17 Apr 2014 17:28:20 +0200 |
parents | ec22234bde0d |
children | 60406b8d6ad1 |
line wrap: on
line source
/* * 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.nodes.calc; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; @NodeInfo(shortName = "*") public final class FloatMulNode extends FloatArithmeticNode implements Canonicalizable { public FloatMulNode(Stamp stamp, ValueNode x, ValueNode y, boolean isStrictFP) { super(stamp, x, y, isStrictFP); } public Constant evalConst(Constant... inputs) { assert inputs.length == 2; assert inputs[0].getKind() == inputs[1].getKind(); if (inputs[0].getKind() == Kind.Float) { return Constant.forFloat(inputs[0].asFloat() * inputs[1].asFloat()); } else { assert inputs[0].getKind() == Kind.Double; return Constant.forDouble(inputs[0].asDouble() * inputs[1].asDouble()); } } @Override public Node canonical(CanonicalizerTool tool) { if (x().isConstant() && !y().isConstant()) { return graph().unique(new FloatMulNode(stamp(), y(), x(), isStrictFP())); } if (x().isConstant()) { return ConstantNode.forPrimitive(evalConst(x().asConstant(), y().asConstant()), graph()); } return this; } @Override public void generate(NodeMappableLIRBuilder builder, ArithmeticLIRGenerator gen) { Value op1 = builder.operand(x()); Value op2 = builder.operand(y()); if (!y().isConstant() && !FloatAddNode.livesLonger(this, y(), builder)) { Value op = op1; op1 = op2; op2 = op; } builder.setResult(this, gen.emitMul(op1, op2)); } @Override public boolean generate(MemoryArithmeticLIRLowerer gen, Access access) { Value result = gen.emitMulMemory(x(), y(), access); if (result != null) { gen.setResult(this, result); } return result != null; } }