src/hotspot/cpu/x86/stubGenerator_x86_32.cpp

rev 54706 : 8223244: Fix usage of ARRAYCOPY_DISJOINT decorator

*** 1370,1380 ****
      // Loop-variant addresses.  They assume post-incremented count < 0.
      Address from_element_addr(end_from, count, Address::times_ptr, 0);
      Address   to_element_addr(end_to,   count, Address::times_ptr, 0);
      Address elem_klass_addr(elem, oopDesc::klass_offset_in_bytes());
  
!     DecoratorSet decorators = IN_HEAP | IS_ARRAY | ARRAYCOPY_CHECKCAST;
      if (dest_uninitialized) {
        decorators |= IS_DEST_UNINITIALIZED;
      }
  
      BasicType type = T_OBJECT;
--- 1370,1382 ----
      // Loop-variant addresses.  They assume post-incremented count < 0.
      Address from_element_addr(end_from, count, Address::times_ptr, 0);
      Address   to_element_addr(end_to,   count, Address::times_ptr, 0);
      Address elem_klass_addr(elem, oopDesc::klass_offset_in_bytes());
  
!     // Note: checkcast arraycopy is always disjoint. If it were not, then we wouldn't
!     // need to checkcast.
!     DecoratorSet decorators = IN_HEAP | IS_ARRAY | ARRAYCOPY_CHECKCAST | ARRAYCOPY_DISJOINT;
      if (dest_uninitialized) {
        decorators |= IS_DEST_UNINITIALIZED;
      }
  
      BasicType type = T_OBJECT;