src/hotspot/share/opto/arraycopynode.cpp
changeset 58273 08a5148e7c4e
parent 57560 1fdace0fb2f4
child 58679 9c3209ff7550
equal deleted inserted replaced
58272:e27564cd10e3 58273:08a5148e7c4e
   266       return false;
   266       return false;
   267     }
   267     }
   268 
   268 
   269     BasicType src_elem  = ary_src->klass()->as_array_klass()->element_type()->basic_type();
   269     BasicType src_elem  = ary_src->klass()->as_array_klass()->element_type()->basic_type();
   270     BasicType dest_elem = ary_dest->klass()->as_array_klass()->element_type()->basic_type();
   270     BasicType dest_elem = ary_dest->klass()->as_array_klass()->element_type()->basic_type();
   271     if (src_elem  == T_ARRAY)  src_elem  = T_OBJECT;
   271     if (is_reference_type(src_elem))   src_elem  = T_OBJECT;
   272     if (dest_elem == T_ARRAY)  dest_elem = T_OBJECT;
   272     if (is_reference_type(dest_elem))  dest_elem = T_OBJECT;
   273 
   273 
   274     if (src_elem != dest_elem || dest_elem == T_VOID) {
   274     if (src_elem != dest_elem || dest_elem == T_VOID) {
   275       // We don't know if arguments are arrays of the same type
   275       // We don't know if arguments are arrays of the same type
   276       return false;
   276       return false;
   277     }
   277     }
   326     adr_dest = dest;
   326     adr_dest = dest;
   327     base_dest = dest->in(AddPNode::Base);
   327     base_dest = dest->in(AddPNode::Base);
   328 
   328 
   329     assert(phase->type(src->in(AddPNode::Offset))->is_intptr_t()->get_con() == phase->type(dest->in(AddPNode::Offset))->is_intptr_t()->get_con(), "same start offset?");
   329     assert(phase->type(src->in(AddPNode::Offset))->is_intptr_t()->get_con() == phase->type(dest->in(AddPNode::Offset))->is_intptr_t()->get_con(), "same start offset?");
   330     BasicType elem = ary_src->klass()->as_array_klass()->element_type()->basic_type();
   330     BasicType elem = ary_src->klass()->as_array_klass()->element_type()->basic_type();
   331     if (elem == T_ARRAY)  elem = T_OBJECT;
   331     if (is_reference_type(elem))  elem = T_OBJECT;
   332 
   332 
   333     BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
   333     BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
   334     if (bs->array_copy_requires_gc_barriers(true, elem, true, BarrierSetC2::Optimization)) {
   334     if (bs->array_copy_requires_gc_barriers(true, elem, true, BarrierSetC2::Optimization)) {
   335       return false;
   335       return false;
   336     }
   336     }