334 #else
335 copy_object(p, filler, required - BrooksPointer::word_size());
336 #endif
337
338 oop copy_val = oop(copy);
339 oop result = BrooksPointer::try_update_forwardee(p, copy_val);
340
341 oop return_val;
342 if (oopDesc::unsafe_equals(result, p)) {
343 evacuated = true;
344 return_val = copy_val;
345
346 log_develop_trace(gc, compaction)("Copy of "PTR_FORMAT" to "PTR_FORMAT" succeeded \n",
347 p2i((HeapWord*) p), p2i(copy));
348
349 #ifdef ASSERT
350 assert(return_val->is_oop(), "expect oop");
351 assert(p->klass() == return_val->klass(), "Should have the same class p: "PTR_FORMAT", copy: "PTR_FORMAT,
352 p2i((HeapWord*) p), p2i((HeapWord*) copy));
353
354 UpdateMatrixClosure cl;
355 copy_val->oop_iterate(&cl);
356 #endif
357 } else {
358 if (alloc_from_gclab) {
359 thread->gclab().rollback(required);
360 }
361 log_develop_trace(gc, compaction)("Copy of "PTR_FORMAT" to "PTR_FORMAT" failed, use other: "PTR_FORMAT,
362 p2i((HeapWord*) p), p2i(copy), p2i((HeapWord*) result));
363 return_val = result;
364 }
365
366 return return_val;
367 }
368
369 inline bool ShenandoahHeap::requires_marking(const void* entry) const {
370 return ! is_marked_next(oop(entry));
371 }
372
373 bool ShenandoahHeap::region_in_collection_set(size_t region_index) const {
374 return _in_cset_fast_test_base[region_index];
375 }
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334 #else
335 copy_object(p, filler, required - BrooksPointer::word_size());
336 #endif
337
338 oop copy_val = oop(copy);
339 oop result = BrooksPointer::try_update_forwardee(p, copy_val);
340
341 oop return_val;
342 if (oopDesc::unsafe_equals(result, p)) {
343 evacuated = true;
344 return_val = copy_val;
345
346 log_develop_trace(gc, compaction)("Copy of "PTR_FORMAT" to "PTR_FORMAT" succeeded \n",
347 p2i((HeapWord*) p), p2i(copy));
348
349 #ifdef ASSERT
350 assert(return_val->is_oop(), "expect oop");
351 assert(p->klass() == return_val->klass(), "Should have the same class p: "PTR_FORMAT", copy: "PTR_FORMAT,
352 p2i((HeapWord*) p), p2i((HeapWord*) copy));
353
354 if (UseShenandoahMatrix) {
355 UpdateMatrixClosure cl;
356 copy_val->oop_iterate(&cl);
357 }
358 #endif
359 } else {
360 if (alloc_from_gclab) {
361 thread->gclab().rollback(required);
362 }
363 log_develop_trace(gc, compaction)("Copy of "PTR_FORMAT" to "PTR_FORMAT" failed, use other: "PTR_FORMAT,
364 p2i((HeapWord*) p), p2i(copy), p2i((HeapWord*) result));
365 return_val = result;
366 }
367
368 return return_val;
369 }
370
371 inline bool ShenandoahHeap::requires_marking(const void* entry) const {
372 return ! is_marked_next(oop(entry));
373 }
374
375 bool ShenandoahHeap::region_in_collection_set(size_t region_index) const {
376 return _in_cset_fast_test_base[region_index];
377 }
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