Mercurial > hg > truffle
comparison graal/Compiler/src/com/sun/c1x/lir/LIROp0.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:43:22 +0200 |
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2506:4a3bf8a5bf41 | 2507:9ec15d6914ca |
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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 } |