| /* |
| * Copyright (c) 2012, 2014, 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 org.graalvm.compiler.replacements.amd64; |
| |
| import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_5; |
| import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1; |
| |
| import org.graalvm.compiler.core.common.calc.FloatConvert; |
| import org.graalvm.compiler.core.common.type.ArithmeticOpTable.FloatConvertOp; |
| import org.graalvm.compiler.graph.NodeClass; |
| import org.graalvm.compiler.graph.spi.CanonicalizerTool; |
| import org.graalvm.compiler.lir.gen.ArithmeticLIRGeneratorTool; |
| import org.graalvm.compiler.nodeinfo.NodeInfo; |
| import org.graalvm.compiler.nodes.ValueNode; |
| import org.graalvm.compiler.nodes.calc.FloatConvertNode; |
| import org.graalvm.compiler.nodes.calc.UnaryArithmeticNode; |
| import org.graalvm.compiler.nodes.spi.ArithmeticLIRLowerable; |
| import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; |
| |
| /** |
| * This node has the semantics of the AMD64 floating point conversions. It is used in the lowering |
| * of the {@link FloatConvertNode} which, on AMD64 needs a {@link AMD64FloatConvertNode} plus some |
| * fixup code that handles the corner cases that differ between AMD64 and Java. |
| */ |
| @NodeInfo(cycles = CYCLES_5, size = SIZE_1) |
| public final class AMD64FloatConvertNode extends UnaryArithmeticNode<FloatConvertOp> implements ArithmeticLIRLowerable { |
| public static final NodeClass<AMD64FloatConvertNode> TYPE = NodeClass.create(AMD64FloatConvertNode.class); |
| |
| protected final FloatConvert op; |
| |
| public AMD64FloatConvertNode(FloatConvert op, ValueNode value) { |
| super(TYPE, table -> table.getFloatConvert(op), value); |
| this.op = op; |
| } |
| |
| @Override |
| public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) { |
| // nothing to do |
| return this; |
| } |
| |
| @Override |
| public void generate(NodeLIRBuilderTool nodeValueMap, ArithmeticLIRGeneratorTool gen) { |
| nodeValueMap.setResult(this, gen.emitFloatConvert(op, nodeValueMap.operand(getValue()))); |
| } |
| } |