Mercurial > hg > graal-jvmci-8
comparison src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp @ 1638:b2a00dd3117c
6957084: simplify TaskQueue overflow handling
Reviewed-by: ysr, jmasa
author | jcoomes |
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date | Thu, 01 Jul 2010 21:40:45 -0700 |
parents | e9ff18c4ace7 |
children | 8b10f48633dc |
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1628:a00567c82f02 | 1638:b2a00dd3117c |
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2472 assert(end_region > 0, "perm gen cannot be empty"); | 2472 assert(end_region > 0, "perm gen cannot be empty"); |
2473 | 2473 |
2474 for (size_t cur = end_region - 1; cur >= beg_region; --cur) { | 2474 for (size_t cur = end_region - 1; cur >= beg_region; --cur) { |
2475 if (sd.region(cur)->claim_unsafe()) { | 2475 if (sd.region(cur)->claim_unsafe()) { |
2476 ParCompactionManager* cm = ParCompactionManager::manager_array(which); | 2476 ParCompactionManager* cm = ParCompactionManager::manager_array(which); |
2477 cm->save_for_processing(cur); | 2477 cm->push_region(cur); |
2478 | 2478 |
2479 if (TraceParallelOldGCCompactionPhase && Verbose) { | 2479 if (TraceParallelOldGCCompactionPhase && Verbose) { |
2480 const size_t count_mod_8 = fillable_regions & 7; | 2480 const size_t count_mod_8 = fillable_regions & 7; |
2481 if (count_mod_8 == 0) gclog_or_tty->print("fillable: "); | 2481 if (count_mod_8 == 0) gclog_or_tty->print("fillable: "); |
2482 gclog_or_tty->print(" " SIZE_FORMAT_W(7), cur); | 2482 gclog_or_tty->print(" " SIZE_FORMAT_W(7), cur); |
3136 | 3136 |
3137 for (RegionData* cur = beg; cur < end; ++cur) { | 3137 for (RegionData* cur = beg; cur < end; ++cur) { |
3138 assert(cur->data_size() > 0, "region must have live data"); | 3138 assert(cur->data_size() > 0, "region must have live data"); |
3139 cur->decrement_destination_count(); | 3139 cur->decrement_destination_count(); |
3140 if (cur < enqueue_end && cur->available() && cur->claim()) { | 3140 if (cur < enqueue_end && cur->available() && cur->claim()) { |
3141 cm->save_for_processing(sd.region(cur)); | 3141 cm->push_region(sd.region(cur)); |
3142 } | 3142 } |
3143 } | 3143 } |
3144 } | 3144 } |
3145 | 3145 |
3146 size_t PSParallelCompact::next_src_region(MoveAndUpdateClosure& closure, | 3146 size_t PSParallelCompact::next_src_region(MoveAndUpdateClosure& closure, |