src/hotspot/share/opto/macroArrayCopy.cpp

BarrierSetC2

*** 548,560 ****
          checked_value   = cv;
        }
      }
      // At this point we know we do not need type checks on oop stores.
  
!     // Let's see if we need card marks:
!     if (alloc != NULL && GraphKit::use_ReduceInitialCardMarks()) {
!       // If we do not need card marks, copy using the jint or jlong stub.
        copy_type = LP64_ONLY(UseCompressedOops ? T_INT : T_LONG) NOT_LP64(T_INT);
        assert(type2aelembytes(basic_elem_type) == type2aelembytes(copy_type),
               "sizes agree");
      }
    }
--- 548,560 ----
          checked_value   = cv;
        }
      }
      // At this point we know we do not need type checks on oop stores.
  
!     BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
!     if (alloc != NULL && !bs->array_copy_requires_gc_barriers(copy_type)) {
!       // If we do not need gc barriers, copy using the jint or jlong stub.
        copy_type = LP64_ONLY(UseCompressedOops ? T_INT : T_LONG) NOT_LP64(T_INT);
        assert(type2aelembytes(basic_elem_type) == type2aelembytes(copy_type),
               "sizes agree");
      }
    }