Mercurial > hg > graal-jvmci-8
view graal/GraalCompiler/src/com/sun/c1x/ir/Convert.java @ 2824:244921d7cf50
Merge
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Mon, 30 May 2011 16:41:05 +0200 |
parents | 5526d82388be |
children | bd17ac598c6e |
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/* * Copyright (c) 2009, 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.sun.c1x.ir; import com.oracle.graal.graph.*; import com.sun.c1x.debug.*; import com.sun.c1x.util.*; import com.sun.cri.bytecode.*; import com.sun.cri.ci.*; /** * The {@code Convert} class represents a conversion between primitive types. */ public final class Convert extends Value { private static final int INPUT_COUNT = 1; private static final int INPUT_VALUE = 0; private static final int SUCCESSOR_COUNT = 0; @Override protected int inputCount() { return super.inputCount() + INPUT_COUNT; } @Override protected int successorCount() { return super.successorCount() + SUCCESSOR_COUNT; } /** * The instruction which produces the input value to this instruction. */ public Value value() { return (Value) inputs().get(super.inputCount() + INPUT_VALUE); } public Value setValue(Value n) { return (Value) inputs().set(super.inputCount() + INPUT_VALUE, n); } /** * The opcode for this conversion operation. */ public final int opcode; /** * Constructs a new Convert instance. * @param opcode the bytecode representing the operation * @param value the instruction producing the input value * @param kind the result type of this instruction * @param graph */ public Convert(int opcode, Value value, CiKind kind, Graph graph) { super(kind, INPUT_COUNT, SUCCESSOR_COUNT, graph); this.opcode = opcode; setValue(value); } @Override public void accept(ValueVisitor v) { v.visitConvert(this); } @Override public int valueNumber() { return Util.hash1(opcode, value()); } @Override public boolean valueEqual(Node i) { if (i instanceof Convert) { Convert o = (Convert) i; return opcode == o.opcode && value() == o.value(); } return false; } @Override public void print(LogStream out) { out.print(Bytecodes.nameOf(opcode)).print('(').print(value()).print(')'); } }