Mercurial > hg > truffle

comparison graal/GraalCompiler/src/com/sun/c1x/lir/LIROp0.java @ 2509:16b9a8b5ad39

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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/lir/LIROp0.java@9ec15d6914ca
children
comparison
equal deleted inserted replaced
2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2009, 2010, 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.lir;
24
25 import com.sun.cri.ci.*;
26
27 /**
28 * The {@code LIROp0} class definition.
29 *
30 * @author Marcelo Cintra
31 *
32 */
33 public class LIROp0 extends LIRInstruction {
34
35 /**
36 * Creates a LIROp0 instruction.
37 *
38 * @param opcode the opcode of the new instruction
39 */
40 public LIROp0(LIROpcode opcode) {
41 this(opcode, CiValue.IllegalValue);
42 }
43
44 /**
45 * Creates a LIROp0 instruction.
46 *
47 * @param opcode the opcode of the new instruction
48 * @param result the result operand to the new instruction
49 */
50 public LIROp0(LIROpcode opcode, CiValue result) {
51 this(opcode, result, null);
52 }
53
54 /**
55 * Creates a LIROp0 instruction.
56 *
57 * @param opcode the opcode of the new instruction
58 * @param result the result operand to the new instruction
59 * @param info used to emit debug information associated to this instruction
60 */
61 public LIROp0(LIROpcode opcode, CiValue result, LIRDebugInfo info) {
62 super(opcode, result, info, false);
63 assert isInRange(opcode, LIROpcode.BeginOp0, LIROpcode.EndOp0) : "Opcode " + opcode + " is invalid for a LIROP0 instruction";
64 }
65
66 /**
67 * Emit assembly code for this instruction.
68 * @param masm the target assembler
69 */
70 @Override
71 public void emitCode(LIRAssembler masm) {
72 masm.emitOp0(this);
73 }
74 }