RFR JDK-8141491: Unaligned memory access in Bits.c

[Andrew Haley]

On 02/02/16 19:25, Mikael Vidstedt wrote:
> Please review this change which introduces a Copy::conjoint_swap and an 
> Unsafe.copySwapMemory method to call it from Java, along with the 
> necessary changes to have java.nio.Bits call it instead of the Bits.c code.

There doesn't seem to be any way to use a byte-swap instruction
in the swapping code.  This will make it unnecessarily slow.

Andrew.