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src/hotspot/share/opto/arraycopynode.cpp

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rev 53307 : Backport Shenadoah GC

*** 28,37 **** --- 28,40 ---- #include "gc/shared/c2/cardTableBarrierSetC2.hpp" #include "opto/arraycopynode.hpp" #include "opto/graphKit.hpp" #include "runtime/sharedRuntime.hpp" #include "utilities/macros.hpp" + #if INCLUDE_SHENANDOAHGC + #include "gc/shenandoah/c2/shenandoahBarrierSetC2.hpp" + #endif ArrayCopyNode::ArrayCopyNode(Compile* C, bool alloc_tightly_coupled, bool has_negative_length_guard) : CallNode(arraycopy_type(), NULL, TypeRawPtr::BOTTOM), _alloc_tightly_coupled(alloc_tightly_coupled), _has_negative_length_guard(has_negative_length_guard),
*** 203,212 **** --- 206,220 ---- type = Type::get_const_basic_type(bt); } Node* v = LoadNode::make(*phase, ctl, mem->memory_at(fieldidx), next_src, adr_type, type, bt, MemNode::unordered); v = phase->transform(v); + #if INCLUDE_SHENANDOAHGC + if (UseShenandoahGC && bt == T_OBJECT) { + v = ShenandoahBarrierSetC2::bsc2()->arraycopy_load_reference_barrier(phase, v); + } + #endif Node* s = StoreNode::make(*phase, ctl, mem->memory_at(fieldidx), next_dest, adr_type, v, bt, MemNode::unordered); s = phase->transform(s); mem->set_memory_at(fieldidx, s); }
*** 371,388 **** --- 379,406 ---- bool same_alias = (alias_idx_src == alias_idx_dest); if (count > 0) { Node* v = LoadNode::make(*phase, forward_ctl, start_mem_src, adr_src, atp_src, value_type, copy_type, MemNode::unordered); v = phase->transform(v); + #if INCLUDE_SHENANDOAHGC + if (UseShenandoahGC && copy_type == T_OBJECT) { + v = ShenandoahBarrierSetC2::bsc2()->arraycopy_load_reference_barrier(phase, v); + } + #endif mem = StoreNode::make(*phase, forward_ctl, mem, adr_dest, atp_dest, v, copy_type, MemNode::unordered); mem = phase->transform(mem); for (int i = 1; i < count; i++) { Node* off = phase->MakeConX(type2aelembytes(copy_type) * i); Node* next_src = phase->transform(new AddPNode(base_src,adr_src,off)); Node* next_dest = phase->transform(new AddPNode(base_dest,adr_dest,off)); v = LoadNode::make(*phase, forward_ctl, same_alias ? mem : start_mem_src, next_src, atp_src, value_type, copy_type, MemNode::unordered); v = phase->transform(v); + #if INCLUDE_SHENANDOAHGC + if (UseShenandoahGC && copy_type == T_OBJECT) { + v = ShenandoahBarrierSetC2::bsc2()->arraycopy_load_reference_barrier(phase, v); + } + #endif mem = StoreNode::make(*phase, forward_ctl,mem,next_dest,atp_dest,v, copy_type, MemNode::unordered); mem = phase->transform(mem); } } else if(can_reshape) { PhaseIterGVN* igvn = phase->is_IterGVN();
*** 420,434 **** --- 438,462 ---- Node* off = phase->MakeConX(type2aelembytes(copy_type) * i); Node* next_src = phase->transform(new AddPNode(base_src,adr_src,off)); Node* next_dest = phase->transform(new AddPNode(base_dest,adr_dest,off)); Node* v = LoadNode::make(*phase, backward_ctl, same_alias ? mem : start_mem_src, next_src, atp_src, value_type, copy_type, MemNode::unordered); v = phase->transform(v); + #if INCLUDE_SHENANDOAHGC + if (UseShenandoahGC && copy_type == T_OBJECT) { + v = ShenandoahBarrierSetC2::bsc2()->arraycopy_load_reference_barrier(phase, v); + } + #endif mem = StoreNode::make(*phase, backward_ctl,mem,next_dest,atp_dest,v, copy_type, MemNode::unordered); mem = phase->transform(mem); } Node* v = LoadNode::make(*phase, backward_ctl, same_alias ? mem : start_mem_src, adr_src, atp_src, value_type, copy_type, MemNode::unordered); v = phase->transform(v); + #if INCLUDE_SHENANDOAHGC + if (UseShenandoahGC && copy_type == T_OBJECT) { + v = ShenandoahBarrierSetC2::bsc2()->arraycopy_load_reference_barrier(phase, v); + } + #endif mem = StoreNode::make(*phase, backward_ctl, mem, adr_dest, atp_dest, v, copy_type, MemNode::unordered); mem = phase->transform(mem); } else if(can_reshape) { PhaseIterGVN* igvn = phase->is_IterGVN(); igvn->_worklist.push(adr_src);
*** 483,493 **** remove_dead_region(phase, can_reshape); } } else { if (in(TypeFunc::Control) != ctl) { // we can't return new memory and control from Ideal at parse time ! assert(!is_clonebasic(), "added control for clone?"); return false; } } return true; } --- 511,522 ---- remove_dead_region(phase, can_reshape); } } else { if (in(TypeFunc::Control) != ctl) { // we can't return new memory and control from Ideal at parse time ! assert(!is_clonebasic() || UseShenandoahGC, "added control for clone?"); ! phase->record_for_igvn(this); return false; } } return true; }
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