Mercurial > hg > truffle
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MathIntrinsicNode.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) 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.graal.replacements.nodes; 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.calc.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; public class MathIntrinsicNode extends FloatingNode implements Canonicalizable, ArithmeticLIRLowerable { @Input private ValueNode x; private final Operation operation; public enum Operation { ABS, SQRT, LOG, LOG10, SIN, COS, TAN } public ValueNode x() { return x; } public Operation operation() { return operation; } public MathIntrinsicNode(ValueNode x, Operation op) { super(StampFactory.forKind(x.kind())); assert x.kind() == Kind.Double; this.x = x; this.operation = op; } @Override public void generate(ArithmeticLIRGenerator gen) { Value input = gen.operand(x()); Value result; switch (operation()) { case ABS: result = gen.emitMathAbs(input); break; case SQRT: result = gen.emitMathSqrt(input); break; case LOG: result = gen.emitMathLog(input, false); break; case LOG10: result = gen.emitMathLog(input, true); break; case SIN: result = gen.emitMathSin(input); break; case COS: result = gen.emitMathCos(input); break; case TAN: result = gen.emitMathTan(input); break; default: throw GraalInternalError.shouldNotReachHere(); } gen.setResult(this, result); } @Override public Node canonical(CanonicalizerTool tool) { if (x().isConstant()) { double value = x().asConstant().asDouble(); switch (operation()) { case ABS: return ConstantNode.forDouble(Math.abs(value), graph()); case SQRT: return ConstantNode.forDouble(Math.sqrt(value), graph()); case LOG: return ConstantNode.forDouble(Math.log(value), graph()); case LOG10: return ConstantNode.forDouble(Math.log10(value), graph()); case SIN: return ConstantNode.forDouble(Math.sin(value), graph()); case COS: return ConstantNode.forDouble(Math.cos(value), graph()); case TAN: return ConstantNode.forDouble(Math.tan(value), graph()); default: throw GraalInternalError.shouldNotReachHere(); } } return this; } @NodeIntrinsic public static double compute(double value, @ConstantNodeParameter Operation op) { switch (op) { case ABS: return Math.abs(value); case SQRT: return Math.sqrt(value); case LOG: return Math.log(value); case LOG10: return Math.log10(value); case SIN: return Math.sin(value); case COS: return Math.cos(value); case TAN: return Math.tan(value); } throw new GraalInternalError("unknown op %s", op); } }