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comparison graal/com.oracle.graal.lir/src/com/oracle/graal/lir/LIRInstructionClass.java @ 16277:2bcba15fa725

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Introduce LIRInstructionClass.Position.
author Josef Eisl <josef.eisl@jku.at>
date Wed, 25 Jun 2014 15:04:00 +0200
parents dcaf26339f7c
children 7a1dee389497
comparison
equal deleted inserted replaced
16276:5cdcb94a7cf7 16277:2bcba15fa725
239 } 239 }
240 str.append("]"); 240 str.append("]");
241 return str.toString(); 241 return str.toString();
242 } 242 }
243 243
244 /**
245 * Describes an operand slot for a {@link LIRInstructionClass}.
246 *
247 * @see LIRInstructionClass#get(LIRInstruction, Position)
248 */
249 public static final class Position {
250
251 private final OperandMode mode;
252 private final int index;
253 private final int subIndex;
254
255 public Position(OperandMode mode, int index, int subIndex) {
256 this.mode = mode;
257 this.index = index;
258 this.subIndex = subIndex;
259 }
260
261 public Value get(LIRInstruction inst) {
262 return inst.getLIRInstructionClass().get(inst, this);
263 }
264
265 public EnumSet<OperandFlag> getFlags(LIRInstruction inst) {
266 return inst.getLIRInstructionClass().getFlags(this);
267 }
268
269 public void set(LIRInstruction inst, Value value) {
270 inst.getLIRInstructionClass().set(inst, this, value);
271 }
272
273 public int getSubIndex() {
274 return subIndex;
275 }
276
277 public int getIndex() {
278 return index;
279 }
280
281 public OperandMode getMode() {
282 return mode;
283 }
284
285 @Override
286 public String toString() {
287 return mode.toString() + index + "/" + subIndex;
288 }
289
290 @Override
291 public int hashCode() {
292 final int prime = 31;
293 int result = 1;
294 result = prime * result + index;
295 result = prime * result + ((mode == null) ? 0 : mode.hashCode());
296 result = prime * result + subIndex;
297 return result;
298 }
299
300 @Override
301 public boolean equals(Object obj) {
302 if (this == obj) {
303 return true;
304 }
305 if (obj == null) {
306 return false;
307 }
308 if (getClass() != obj.getClass()) {
309 return false;
310 }
311 Position other = (Position) obj;
312 if (index != other.index) {
313 return false;
314 }
315 if (mode != other.mode) {
316 return false;
317 }
318 if (subIndex != other.subIndex) {
319 return false;
320 }
321 return true;
322 }
323 }
324
325 protected Value get(LIRInstruction obj, Position pos) {
326 long[] offsets;
327 int directCount;
328 switch (pos.getMode()) {
329 case USE:
330 directCount = directUseCount;
331 offsets = useOffsets;
332 break;
333 case ALIVE:
334 directCount = directAliveCount;
335 offsets = aliveOffsets;
336 break;
337 case TEMP:
338 directCount = directTempCount;
339 offsets = tempOffsets;
340 break;
341 case DEF:
342 directCount = directDefCount;
343 offsets = defOffsets;
344 break;
345 default:
346 throw GraalInternalError.shouldNotReachHere("unkown OperandMode: " + pos.getMode());
347 }
348 if (pos.index < directCount) {
349 return getValue(obj, offsets[pos.getIndex()]);
350 }
351 return getValueArray(obj, offsets[pos.getIndex()])[pos.getSubIndex()];
352 }
353
354 protected void set(LIRInstruction obj, Position pos, Value value) {
355 long[] offsets;
356 int directCount;
357 switch (pos.getMode()) {
358 case USE:
359 directCount = directUseCount;
360 offsets = useOffsets;
361 break;
362 case ALIVE:
363 directCount = directAliveCount;
364 offsets = aliveOffsets;
365 break;
366 case TEMP:
367 directCount = directTempCount;
368 offsets = tempOffsets;
369 break;
370 case DEF:
371 directCount = directDefCount;
372 offsets = defOffsets;
373 break;
374 default:
375 throw GraalInternalError.shouldNotReachHere("unkown OperandMode: " + pos.getMode());
376 }
377 if (pos.index < directCount) {
378 setValue(obj, offsets[pos.getIndex()], value);
379 }
380 getValueArray(obj, offsets[pos.getIndex()])[pos.getSubIndex()] = value;
381 }
382
383 public EnumSet<OperandFlag> getFlags(Position pos) {
384 switch (pos.getMode()) {
385 case USE:
386 return useFlags[pos.getIndex()];
387 case ALIVE:
388 return aliveFlags[pos.getIndex()];
389 case TEMP:
390 return tempFlags[pos.getIndex()];
391 case DEF:
392 return defFlags[pos.getIndex()];
393 default:
394 throw GraalInternalError.shouldNotReachHere("unkown OperandMode: " + pos.getMode());
395 }
396 }
397
244 public final String getOpcode(LIRInstruction obj) { 398 public final String getOpcode(LIRInstruction obj) {
245 if (opcodeConstant != null) { 399 if (opcodeConstant != null) {
246 return opcodeConstant; 400 return opcodeConstant;
247 } 401 }
248 assert opcodeOffset != -1; 402 assert opcodeOffset != -1;