src/share/vm/utilities/copy.hpp

@  rev 12742 : imported patch alpinefixes-copyswapaligned
|

*** 227,244 ****
        *to-- = *from--;
      }
    }
  
    /**
     * Copy and *unconditionally* byte swap elements
     *
     * @param src address of source
     * @param dst address of destination
     * @param byte_count number of bytes to copy
     * @param elem_size size of the elements to copy-swap
     */
!   static void conjoint_swap(address src, address dst, size_t byte_count, size_t elem_size);
  
    // Fill methods
  
    // Fill word-aligned words, not atomic on each word
    // set_words
--- 227,271 ----
        *to-- = *from--;
      }
    }
  
    /**
+    * Copy elements
+    *
+    * @param src address of source
+    * @param dst address of destination
+    * @param byte_count number of bytes to copy
+    * @param elem_size size of the elements to copy-swap
+    */
+   static void conjoint_copy(const void* src, void* dst, size_t byte_count, size_t elem_size);
+ 
+   /**
     * Copy and *unconditionally* byte swap elements
     *
     * @param src address of source
     * @param dst address of destination
     * @param byte_count number of bytes to copy
     * @param elem_size size of the elements to copy-swap
     */
!   static void conjoint_swap(const void* src, void* dst, size_t byte_count, size_t elem_size);
! 
!   /**
!    * Copy and byte swap elements from the specified endian to the native (cpu) endian if needed (if they differ)
!    *
!    * @param src address of source
!    * @param dst address of destination
!    * @param byte_count number of bytes to copy
!    * @param elem_size size of the elements to copy-swap
!    */
!   template <Endian::Order endian>
!   static void conjoint_swap_maybe(const void* src, void* dst, size_t byte_count, size_t elem_size) {
!     if (Endian::NATIVE != endian) {
!       conjoint_swap(src, dst, byte_count, elem_size);
!     } else {
!       conjoint_copy(src, dst, byte_count, elem_size);
!     }
!   }
  
    // Fill methods
  
    // Fill word-aligned words, not atomic on each word
    // set_words