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comparison graal/GraalCompiler/src/com/sun/c1x/ir/Convert.java @ 2509:16b9a8b5ad39

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Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:50:44 +0200
parents graal/Compiler/src/com/sun/c1x/ir/Convert.java@9ec15d6914ca
children 092e628ddd5d
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2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.c1x.ir;
24
25 import com.sun.c1x.debug.*;
26 import com.sun.c1x.util.*;
27 import com.sun.cri.bytecode.*;
28 import com.sun.cri.ci.*;
29
30 /**
31 * The {@code Convert} class represents a conversion between primitive types.
32 *
33 * @author Ben L. Titzer
34 */
35 public final class Convert extends Instruction {
36
37 /**
38 * The opcode for this conversion operation.
39 */
40 public final int opcode;
41
42 Value value;
43
44 /**
45 * Constructs a new Convert instance.
46 * @param opcode the bytecode representing the operation
47 * @param value the instruction producing the input value
48 * @param kind the result type of this instruction
49 */
50 public Convert(int opcode, Value value, CiKind kind) {
51 super(kind);
52 this.opcode = opcode;
53 this.value = value;
54 }
55
56 /**
57 * Gets the instruction which produces the input value to this instruction.
58 * @return the input value instruction
59 */
60 public Value value() {
61 return value;
62 }
63
64 @Override
65 public void inputValuesDo(ValueClosure closure) {
66 value = closure.apply(value);
67 }
68
69 @Override
70 public void accept(ValueVisitor v) {
71 v.visitConvert(this);
72 }
73
74 @Override
75 public int valueNumber() {
76 return Util.hash1(opcode, value);
77 }
78
79 @Override
80 public boolean valueEqual(Instruction i) {
81 if (i instanceof Convert) {
82 Convert o = (Convert) i;
83 return opcode == o.opcode && value == o.value;
84 }
85 return false;
86 }
87
88 @Override
89 public void print(LogStream out) {
90 out.print(Bytecodes.nameOf(opcode)).print('(').print(value()).print(')');
91 }
92 }