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comparison graal/Compiler/src/com/sun/c1x/lir/LIROp3.java @ 2507:9ec15d6914ca

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Pull over of compiler from maxine repository.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:43:22 +0200
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2506:4a3bf8a5bf41 2507:9ec15d6914ca
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 LIROp3} class definition.
29 *
30 * @author Marcelo Cintra
31 *
32 */
33 public class LIROp3 extends LIRInstruction {
34
35 /**
36 * Creates a new LIROp3 instruction. A LIROp3 instruction represents a LIR instruction
37 * that has three input operands.
38 *
39 * @param opcode the instruction's opcode
40 * @param opr1 the first input operand
41 * @param opr2 the second input operand
42 * @param opr3 the third input operand
43 * @param result the result operand
44 * @param info the debug information, used for deoptimization, associated to this instruction
45 */
46 public LIROp3(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue opr3, CiValue result, LIRDebugInfo info) {
47 super(opcode, result, info, false, 1, 1, opr1, opr2, opr3);
48 assert isInRange(opcode, LIROpcode.BeginOp3, LIROpcode.EndOp3) : "The " + opcode + " is not a valid LIROp3 opcode";
49 }
50
51 /**
52 * Gets the opr1 of this class.
53 *
54 * @return the opr1
55 */
56 public CiValue opr1() {
57 return operand(0);
58 }
59
60 /**
61 * Gets the opr2 of this class.
62 *
63 * @return the opr2
64 */
65 public CiValue opr2() {
66 return operand(1);
67 }
68
69 /**
70 * Emits assembly code for this instruction.
71 *
72 * @param masm the target assembler
73 */
74 @Override
75 public void emitCode(LIRAssembler masm) {
76 masm.emitOp3(this);
77 }
78 }