Mercurial > hg > truffle
view graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/nodes/MathIntrinsicNode.java @ 4142:bc8527f3071c
Adjust code base to new level of warnings.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Sun, 18 Dec 2011 05:24:06 +0100 |
parents | e233f5660da4 |
children | aaac4894175c |
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/* * 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.max.graal.snippets.nodes; import com.oracle.max.graal.compiler.target.amd64.*; import com.oracle.max.graal.compiler.util.*; import com.oracle.max.graal.graph.*; import com.oracle.max.graal.nodes.*; import com.oracle.max.graal.nodes.calc.*; import com.oracle.max.graal.nodes.spi.*; import com.oracle.max.graal.nodes.type.*; import com.oracle.max.graal.snippets.target.amd64.*; import com.sun.cri.ci.*; 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) { CiVariable input = gen.load(gen.operand(x())); CiVariable result = gen.newVariable(kind()); switch (operation()) { case ABS: gen.append(AMD64LogicFloatOpcode.DAND.create(result, input, CiConstant.forDouble(Double.longBitsToDouble(0x7FFFFFFFFFFFFFFFL)))); break; case SQRT: gen.append(AMD64MathIntrinsicOpcode.SQRT.create(result, input)); break; case LOG: gen.append(AMD64MathIntrinsicOpcode.LOG.create(result, input)); break; case LOG10: gen.append(AMD64MathIntrinsicOpcode.LOG10.create(result, input)); break; case SIN: gen.append(AMD64MathIntrinsicOpcode.SIN.create(result, input)); break; case COS: gen.append(AMD64MathIntrinsicOpcode.COS.create(result, input)); break; case TAN: gen.append(AMD64MathIntrinsicOpcode.TAN.create(result, input)); break; default: throw Util.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()); } } 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"); } }