Mercurial > hg > graal-jvmci-8
comparison graal/Compiler/src/com/sun/c1x/lir/LIROp2.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, 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.lir; | |
24 | |
25 import com.sun.c1x.ir.*; | |
26 import com.sun.cri.ci.*; | |
27 | |
28 /** | |
29 * The {@code LIROp2} class represents a LIR instruction that performs an operation on two operands. | |
30 * | |
31 * @author Marcelo Cintra | |
32 * @author Thomas Wuerthinger | |
33 * @author Ben L. Titzer | |
34 */ | |
35 public class LIROp2 extends LIRInstruction { | |
36 | |
37 final Condition condition; | |
38 | |
39 /** | |
40 * Constructs a new LIROp2 instruction. | |
41 * | |
42 * @param opcode the instruction's opcode | |
43 * @param condition the instruction's condition | |
44 * @param opr1 the first input operand | |
45 * @param opr2 the second input operand | |
46 * @param info the object holding information needed to emit debug information | |
47 */ | |
48 public LIROp2(LIROpcode opcode, Condition condition, CiValue opr1, CiValue opr2, LIRDebugInfo info) { | |
49 super(opcode, CiValue.IllegalValue, info, false, 0, 0, opr1, opr2); | |
50 this.condition = condition; | |
51 assert opcode == LIROpcode.Cmp : "Instruction opcode should be of type LIROpcode.Cmp"; | |
52 } | |
53 | |
54 /** | |
55 * Constructs a new LIROp2 instruction. | |
56 * | |
57 * @param opcode the instruction's opcode | |
58 * @param condition the instruction's condition | |
59 * @param opr1 the first input operand | |
60 * @param opr2 the second input operand | |
61 * @param result the operand that holds the result of this instruction | |
62 */ | |
63 public LIROp2(LIROpcode opcode, Condition condition, CiValue opr1, CiValue opr2, CiValue result) { | |
64 super(opcode, result, null, false, 0, 0, opr1, opr2); | |
65 this.condition = condition; | |
66 assert opcode == LIROpcode.Cmove : "Instruction opcode should be of type LIROpcode.Cmove"; | |
67 } | |
68 | |
69 /** | |
70 * Constructs a new LIROp2 instruction. | |
71 * | |
72 * @param opcode the instruction's opcode | |
73 * @param opr1 the first input operand | |
74 * @param opr2 the second input operand | |
75 * @param result the operand that holds the result of this instruction | |
76 * @param info the object holding information needed to emit debug information | |
77 * @param kind the kind of this instruction | |
78 */ | |
79 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, LIRDebugInfo info, CiKind kind, boolean hasCall) { | |
80 super(opcode, result, info, hasCall, 0, 0, opr1, opr2); | |
81 this.condition = null; | |
82 assert opcode != LIROpcode.Cmp && isInRange(opcode, LIROpcode.BeginOp2, LIROpcode.EndOp2) : "The " + opcode + " is not a valid LIROp2 opcode"; | |
83 } | |
84 | |
85 /** | |
86 * Constructs a new LIROp2 instruction. | |
87 * | |
88 * @param opcode the instruction's opcode | |
89 * @param opr1 the instruction's first operand | |
90 * @param opr2 the instruction's second operand | |
91 * @param result the operand that holds the result of this instruction | |
92 * @param info the object holding information needed to emit debug information | |
93 */ | |
94 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, LIRDebugInfo info) { | |
95 this(opcode, opr1, opr2, result, info, CiKind.Illegal, false); | |
96 } | |
97 | |
98 /** | |
99 * Constructs a new LIROp2 instruction. | |
100 * | |
101 * @param opcode the instruction's opcode | |
102 * @param opr1 the instruction's first operand | |
103 * @param opr2 the instruction's second operand | |
104 * @param result the operand that holds the result of this instruction | |
105 */ | |
106 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result) { | |
107 this(opcode, opr1, opr2, result, (LIRDebugInfo) null); | |
108 } | |
109 | |
110 /** | |
111 * Constructs a new LIROp2 instruction. | |
112 * | |
113 * @param opcode the instruction's opcode | |
114 * @param opr1 the first input operand | |
115 * @param opr2 the second input operand | |
116 * @param result the operand that holds the result of this instruction | |
117 * @param tmp the temporary operand used by this instruction | |
118 */ | |
119 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, CiValue tmp) { | |
120 super(opcode, result, null, false, 0, 1, opr1, opr2, tmp); | |
121 this.condition = null; | |
122 assert opcode != LIROpcode.Cmp && isInRange(opcode, LIROpcode.BeginOp2, LIROpcode.EndOp2) : "The " + opcode + " is not a valid LIROp2 opcode"; | |
123 } | |
124 | |
125 /** | |
126 * Gets the first input operand. | |
127 * | |
128 * @return opr1 the first input operand | |
129 */ | |
130 public CiValue operand1() { | |
131 return operand(0); | |
132 } | |
133 | |
134 /** | |
135 * Gets the second input operand. | |
136 * | |
137 * @return opr2 the second input operand | |
138 */ | |
139 public CiValue operand2() { | |
140 return operand(1); | |
141 } | |
142 | |
143 /** | |
144 * Gets the temporary operand of this instruction. | |
145 * | |
146 * @return tmp the temporary operand of this instruction | |
147 * | |
148 */ | |
149 public CiValue tmp() { | |
150 return operand(2); | |
151 } | |
152 | |
153 /** | |
154 * Gets the condition of this instruction, if it is a Cmp or Cmove LIR instruction. | |
155 * | |
156 * @return condition the condition of this instruction | |
157 */ | |
158 public Condition condition() { | |
159 assert code == LIROpcode.Cmp || code == LIROpcode.Cmove : "Field access only valid for cmp and cmove"; | |
160 return condition; | |
161 } | |
162 | |
163 /** | |
164 * Emit target assembly code for this instruction. | |
165 * | |
166 * @param masm the target assembler | |
167 */ | |
168 @Override | |
169 public void emitCode(LIRAssembler masm) { | |
170 masm.emitOp2(this); | |
171 } | |
172 | |
173 /** | |
174 * Prints this instruction. | |
175 */ | |
176 @Override | |
177 public String operationString(OperandFormatter operandFmt) { | |
178 if (code == LIROpcode.Cmove) { | |
179 return condition.toString() + " " + super.operationString(operandFmt); | |
180 } | |
181 return super.operationString(operandFmt); | |
182 } | |
183 } | |
184 |