src/share/vm/opto/memnode.cpp

*** 3848,3858 ****
    intptr_t zeroes_done = header_size;
  
    bool do_zeroing = true;       // we might give up if inits are very sparse
    int  big_init_gaps = 0;       // how many large gaps have we seen?
  
!   if (ZeroTLAB)  do_zeroing = false;
    if (!ReduceFieldZeroing && !ReduceBulkZeroing)  do_zeroing = false;
  
    for (uint i = InitializeNode::RawStores, limit = req(); i < limit; i++) {
      Node* st = in(i);
      intptr_t st_off = get_store_offset(st, phase);
--- 3848,3858 ----
    intptr_t zeroes_done = header_size;
  
    bool do_zeroing = true;       // we might give up if inits are very sparse
    int  big_init_gaps = 0;       // how many large gaps have we seen?
  
!   if (UseTLAB && ZeroTLAB)  do_zeroing = false;
    if (!ReduceFieldZeroing && !ReduceBulkZeroing)  do_zeroing = false;
  
    for (uint i = InitializeNode::RawStores, limit = req(); i < limit; i++) {
      Node* st = in(i);
      intptr_t st_off = get_store_offset(st, phase);
*** 3949,3959 ****
    }
  
    remove_extra_zeroes();        // clear out all the zmems left over
    add_req(inits);
  
!   if (!ZeroTLAB) {
      // If anything remains to be zeroed, zero it all now.
      zeroes_done = align_size_down(zeroes_done, BytesPerInt);
      // if it is the last unused 4 bytes of an instance, forget about it
      intptr_t size_limit = phase->find_intptr_t_con(size_in_bytes, max_jint);
      if (zeroes_done + BytesPerLong >= size_limit) {
--- 3949,3959 ----
    }
  
    remove_extra_zeroes();        // clear out all the zmems left over
    add_req(inits);
  
!   if (!(UseTLAB && ZeroTLAB)) {
      // If anything remains to be zeroed, zero it all now.
      zeroes_done = align_size_down(zeroes_done, BytesPerInt);
      // if it is the last unused 4 bytes of an instance, forget about it
      intptr_t size_limit = phase->find_intptr_t_con(size_in_bytes, max_jint);
      if (zeroes_done + BytesPerLong >= size_limit) {