7184394: add intrinsics to use AES instructions
Summary: Use new x86 AES instructions for AESCrypt.
Reviewed-by: twisti, kvn, roland
Contributed-by: tom.deneau@amd.com
8001183: incorrect results of char vectors right shift operaiton
Summary: do vector right shift operation for small int types only after loads
Reviewed-by: jrose, dlong