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comparison graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/IntervalWalker.java @ 15934:c73fad48e90d

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LSRA: skip handled intervals in IntervalWalker.updateUnhandledStackIntervals(int).
author Josef Eisl <josef.eisl@jku.at>
date Mon, 26 May 2014 16:35:59 +0200
parents 5e22e6a76ac7
children
comparison
equal deleted inserted replaced
15933:0fdfff835128 15934:c73fad48e90d
238 } 238 }
239 // set currentPosition prior to call of walkTo 239 // set currentPosition prior to call of walkTo
240 currentPosition = toOpId; 240 currentPosition = toOpId;
241 241
242 if (currentPosition <= allocator.maxOpId()) { 242 if (currentPosition <= allocator.maxOpId()) {
243 // update unhandled stack intervals
244 updateUnhandledStackIntervals(toOpId);
245
243 // call walkTo if still in range 246 // call walkTo if still in range
244 walkTo(State.Active, toOpId); 247 walkTo(State.Active, toOpId);
245 walkTo(State.Inactive, toOpId); 248 walkTo(State.Inactive, toOpId);
246 } 249 }
247 } 250 }
263 */ 266 */
264 private void updateUnhandledStackIntervals(int opId) { 267 private void updateUnhandledStackIntervals(int opId) {
265 Interval currentInterval = unhandledLists.get(RegisterBinding.Stack); 268 Interval currentInterval = unhandledLists.get(RegisterBinding.Stack);
266 while (currentInterval != Interval.EndMarker && currentInterval.from() <= opId) { 269 while (currentInterval != Interval.EndMarker && currentInterval.from() <= opId) {
267 Interval next = currentInterval.next; 270 Interval next = currentInterval.next;
268 currentInterval.state = State.Active; 271 if (currentInterval.to() > opId) {
269 activeLists.addToListSortedByCurrentFromPositions(RegisterBinding.Stack, currentInterval); 272 currentInterval.state = State.Active;
270 intervalMoved(currentInterval, State.Unhandled, State.Active); 273 activeLists.addToListSortedByCurrentFromPositions(RegisterBinding.Stack, currentInterval);
274 intervalMoved(currentInterval, State.Unhandled, State.Active);
275 } else {
276 currentInterval.state = State.Handled;
277 intervalMoved(currentInterval, State.Unhandled, State.Handled);
278 }
271 currentInterval = next; 279 currentInterval = next;
272 } 280 }
273 unhandledLists.set(RegisterBinding.Stack, currentInterval); 281 unhandledLists.set(RegisterBinding.Stack, currentInterval);
274 } 282 }
275 283