src/hotspot/share/oops/typeArrayKlass.cpp

rev 48688 : Access barriers for arraycopy

*** 147,165 ****
    }
    // Check zero copy
    if (length == 0)
      return;
  
-   s = arrayOop(BarrierSet::barrier_set()->read_barrier(s));
-   d = arrayOop(BarrierSet::barrier_set()->write_barrier(d));
- 
    // This is an attempt to make the copy_array fast.
    int l2es = log2_element_size();
    int ihs = array_header_in_bytes() / wordSize;
    char* src = (char*) ((oop*)s + ihs) + ((size_t)src_pos << l2es);
    char* dst = (char*) ((oop*)d + ihs) + ((size_t)dst_pos << l2es);
!   Copy::conjoint_memory_atomic(src, dst, (size_t)length << l2es);
  }
  
  
  // create a klass of array holding typeArrays
  Klass* TypeArrayKlass::array_klass_impl(bool or_null, int n, TRAPS) {
--- 147,162 ----
    }
    // Check zero copy
    if (length == 0)
      return;
  
    // This is an attempt to make the copy_array fast.
    int l2es = log2_element_size();
    int ihs = array_header_in_bytes() / wordSize;
    char* src = (char*) ((oop*)s + ihs) + ((size_t)src_pos << l2es);
    char* dst = (char*) ((oop*)d + ihs) + ((size_t)dst_pos << l2es);
!   HeapAccess<>::arraycopy(s, d, src, dst, (size_t)length << l2es);
  }
  
  
  // create a klass of array holding typeArrays
  Klass* TypeArrayKlass::array_klass_impl(bool or_null, int n, TRAPS) {