001
002 /*
003 * THIS FILE IS MACHINE_GENERATED. DO NOT EDIT.
004 * See InstructionFormats.template, InstructionFormatList.dat,
005 * OperatorList.dat, etc.
006 */
007
008 package org.jikesrvm.compilers.opt.ir;
009
010 import org.jikesrvm.Configuration;
011 import org.jikesrvm.compilers.opt.ir.operand.ia32.IA32ConditionOperand; //NOPMD
012 import org.jikesrvm.compilers.opt.ir.operand.*;
013
014 /**
015 * The MIR_CompareExchange InstructionFormat class.
016 *
017 * The header comment for {@link Instruction} contains
018 * an explanation of the role of InstructionFormats in the
019 * opt compiler's IR.
020 */
021 @SuppressWarnings("unused") // Machine generated code is never 100% clean
022 public final class MIR_CompareExchange extends InstructionFormat {
023 /**
024 * InstructionFormat identification method for MIR_CompareExchange.
025 * @param i an instruction
026 * @return <code>true</code> if the InstructionFormat of the argument
027 * instruction is MIR_CompareExchange or <code>false</code>
028 * if it is not.
029 */
030 public static boolean conforms(Instruction i) {
031 return conforms(i.operator);
032 }
033 /**
034 * InstructionFormat identification method for MIR_CompareExchange.
035 * @param o an instruction
036 * @return <code>true</code> if the InstructionFormat of the argument
037 * operator is MIR_CompareExchange or <code>false</code>
038 * if it is not.
039 */
040 public static boolean conforms(Operator o) {
041 return o.format == MIR_CompareExchange_format;
042 }
043
044 /**
045 * Get the operand called OldValue from the
046 * argument instruction. Note that the returned operand
047 * will still point to its containing instruction.
048 * @param i the instruction to fetch the operand from
049 * @return the operand called OldValue
050 */
051 public static RegisterOperand getOldValue(Instruction i) {
052 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
053 return (RegisterOperand) i.getOperand(0);
054 }
055 /**
056 * Get the operand called OldValue from the argument
057 * instruction clearing its instruction pointer. The returned
058 * operand will not point to any containing instruction.
059 * @param i the instruction to fetch the operand from
060 * @return the operand called OldValue
061 */
062 public static RegisterOperand getClearOldValue(Instruction i) {
063 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
064 return (RegisterOperand) i.getClearOperand(0);
065 }
066 /**
067 * Set the operand called OldValue in the argument
068 * instruction to the argument operand. The operand will
069 * now point to the argument instruction as its containing
070 * instruction.
071 * @param i the instruction in which to store the operand
072 * @param OldValue the operand to store
073 */
074 public static void setOldValue(Instruction i, RegisterOperand OldValue) {
075 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
076 i.putOperand(0, OldValue);
077 }
078 /**
079 * Return the index of the operand called OldValue
080 * in the argument instruction.
081 * @param i the instruction to access.
082 * @return the index of the operand called OldValue
083 * in the argument instruction
084 */
085 public static int indexOfOldValue(Instruction i) {
086 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
087 return 0;
088 }
089 /**
090 * Does the argument instruction have a non-null
091 * operand named OldValue?
092 * @param i the instruction to access.
093 * @return <code>true</code> if the instruction has an non-null
094 * operand named OldValue or <code>false</code>
095 * if it does not.
096 */
097 public static boolean hasOldValue(Instruction i) {
098 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
099 return i.getOperand(0) != null;
100 }
101
102 /**
103 * Get the operand called MemAddr from the
104 * argument instruction. Note that the returned operand
105 * will still point to its containing instruction.
106 * @param i the instruction to fetch the operand from
107 * @return the operand called MemAddr
108 */
109 public static MemoryOperand getMemAddr(Instruction i) {
110 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
111 return (MemoryOperand) i.getOperand(1);
112 }
113 /**
114 * Get the operand called MemAddr from the argument
115 * instruction clearing its instruction pointer. The returned
116 * operand will not point to any containing instruction.
117 * @param i the instruction to fetch the operand from
118 * @return the operand called MemAddr
119 */
120 public static MemoryOperand getClearMemAddr(Instruction i) {
121 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
122 return (MemoryOperand) i.getClearOperand(1);
123 }
124 /**
125 * Set the operand called MemAddr in the argument
126 * instruction to the argument operand. The operand will
127 * now point to the argument instruction as its containing
128 * instruction.
129 * @param i the instruction in which to store the operand
130 * @param MemAddr the operand to store
131 */
132 public static void setMemAddr(Instruction i, MemoryOperand MemAddr) {
133 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
134 i.putOperand(1, MemAddr);
135 }
136 /**
137 * Return the index of the operand called MemAddr
138 * in the argument instruction.
139 * @param i the instruction to access.
140 * @return the index of the operand called MemAddr
141 * in the argument instruction
142 */
143 public static int indexOfMemAddr(Instruction i) {
144 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
145 return 1;
146 }
147 /**
148 * Does the argument instruction have a non-null
149 * operand named MemAddr?
150 * @param i the instruction to access.
151 * @return <code>true</code> if the instruction has an non-null
152 * operand named MemAddr or <code>false</code>
153 * if it does not.
154 */
155 public static boolean hasMemAddr(Instruction i) {
156 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
157 return i.getOperand(1) != null;
158 }
159
160 /**
161 * Get the operand called NewValue from the
162 * argument instruction. Note that the returned operand
163 * will still point to its containing instruction.
164 * @param i the instruction to fetch the operand from
165 * @return the operand called NewValue
166 */
167 public static RegisterOperand getNewValue(Instruction i) {
168 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
169 return (RegisterOperand) i.getOperand(2);
170 }
171 /**
172 * Get the operand called NewValue from the argument
173 * instruction clearing its instruction pointer. The returned
174 * operand will not point to any containing instruction.
175 * @param i the instruction to fetch the operand from
176 * @return the operand called NewValue
177 */
178 public static RegisterOperand getClearNewValue(Instruction i) {
179 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
180 return (RegisterOperand) i.getClearOperand(2);
181 }
182 /**
183 * Set the operand called NewValue in the argument
184 * instruction to the argument operand. The operand will
185 * now point to the argument instruction as its containing
186 * instruction.
187 * @param i the instruction in which to store the operand
188 * @param NewValue the operand to store
189 */
190 public static void setNewValue(Instruction i, RegisterOperand NewValue) {
191 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
192 i.putOperand(2, NewValue);
193 }
194 /**
195 * Return the index of the operand called NewValue
196 * in the argument instruction.
197 * @param i the instruction to access.
198 * @return the index of the operand called NewValue
199 * in the argument instruction
200 */
201 public static int indexOfNewValue(Instruction i) {
202 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
203 return 2;
204 }
205 /**
206 * Does the argument instruction have a non-null
207 * operand named NewValue?
208 * @param i the instruction to access.
209 * @return <code>true</code> if the instruction has an non-null
210 * operand named NewValue or <code>false</code>
211 * if it does not.
212 */
213 public static boolean hasNewValue(Instruction i) {
214 if (Configuration.ExtremeAssertions && !conforms(i)) fail(i, "MIR_CompareExchange");
215 return i.getOperand(2) != null;
216 }
217
218
219 /**
220 * Create an instruction of the MIR_CompareExchange instruction format.
221 * @param o the instruction's operator
222 * @param OldValue the instruction's OldValue operand
223 * @param MemAddr the instruction's MemAddr operand
224 * @param NewValue the instruction's NewValue operand
225 * @return the newly created MIR_CompareExchange instruction
226 */
227 public static Instruction create(Operator o
228 , RegisterOperand OldValue
229 , MemoryOperand MemAddr
230 , RegisterOperand NewValue
231 )
232 {
233 if (Configuration.ExtremeAssertions && !conforms(o)) fail(o, "MIR_CompareExchange");
234 Instruction i = new Instruction(o, 5);
235 i.putOperand(0, OldValue);
236 i.putOperand(1, MemAddr);
237 i.putOperand(2, NewValue);
238 return i;
239 }
240
241 /**
242 * Mutate the argument instruction into an instruction of the
243 * MIR_CompareExchange instruction format having the specified
244 * operator and operands.
245 * @param i the instruction to mutate
246 * @param o the instruction's operator
247 * @param OldValue the instruction's OldValue operand
248 * @param MemAddr the instruction's MemAddr operand
249 * @param NewValue the instruction's NewValue operand
250 * @return the mutated instruction
251 */
252 public static Instruction mutate(Instruction i, Operator o
253 , RegisterOperand OldValue
254 , MemoryOperand MemAddr
255 , RegisterOperand NewValue
256 )
257 {
258 if (Configuration.ExtremeAssertions && !conforms(o)) fail(o, "MIR_CompareExchange");
259 i.operator = o;
260 i.putOperand(0, OldValue);
261 i.putOperand(1, MemAddr);
262 i.putOperand(2, NewValue);
263 return i;
264 }
265 }
266