Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/FloatDivNode.java @ 11881:da9db8331658
moved Canonicalizable and Simplifiable to the com.oracle.graal.graph project (GRAAL-506)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 01 Oct 2013 20:38:25 +0200 |
parents | 9a747d8e0d0f |
children | 673f93db4adc |
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.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; @NodeInfo(shortName = "/") public final class FloatDivNode extends FloatArithmeticNode implements Canonicalizable { public FloatDivNode(Kind kind, ValueNode x, ValueNode y, boolean isStrictFP) { super(kind, x, y, isStrictFP); } @Override public Node canonical(CanonicalizerTool tool) { if (x().isConstant() && y().isConstant()) { if (kind() == Kind.Float) { if (y().asConstant().asFloat() != 0) { return ConstantNode.forFloat(x().asConstant().asFloat() / y().asConstant().asFloat(), graph()); } } else { assert kind() == Kind.Double; if (y().asConstant().asDouble() != 0) { return ConstantNode.forDouble(x().asConstant().asDouble() / y().asConstant().asDouble(), graph()); } } } return this; } @Override public void generate(ArithmeticLIRGenerator gen) { gen.setResult(this, gen.emitDiv(gen.operand(x()), gen.operand(y()), null)); } }