Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.snippets/src/com/oracle/graal/snippets/nodes/MathIntrinsicNode.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
children |
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.snippets.nodes; import static com.oracle.graal.lir.amd64.AMD64Arithmetic.*; import com.oracle.max.cri.ci.*; import com.oracle.graal.compiler.target.amd64.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.amd64.AMD64Arithmetic.Op2Reg; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; import com.oracle.graal.snippets.target.amd64.*; public class MathIntrinsicNode extends FloatingNode implements Canonicalizable, AMD64LIRLowerable { @Input private ValueNode x; @Data 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() == CiKind.Double; this.x = x; this.operation = op; } @Override public void generateAmd64(AMD64LIRGenerator gen) { Variable input = gen.load(gen.operand(x())); Variable result = gen.newVariable(kind()); switch (operation()) { case ABS: gen.append(new Op2Reg(DAND, result, input, CiConstant.forDouble(Double.longBitsToDouble(0x7FFFFFFFFFFFFFFFL)))); break; case SQRT: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.SQRT, result, input)); break; case LOG: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.LOG, result, input)); break; case LOG10: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.LOG10, result, input)); break; case SIN: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.SIN, result, input)); break; case COS: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.COS, result, input)); break; case TAN: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.TAN, result, input)); break; default: throw GraalInternalError.shouldNotReachHere(); } gen.setResult(this, result); } @Override public ValueNode 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()); } } return this; } @SuppressWarnings("unused") @NodeIntrinsic public static double compute(double x, @ConstantNodeParameter Operation op) { throw new UnsupportedOperationException("This method may only be compiled with the Graal compiler"); } }