ART: Add mul_long bytecode for X86-64

This patch implements the inlined version of the mul-long
bytecode for X86-64 platform.

Change-Id: I828e5861e17024d33f09223e0245380aef63a622
Signed-off-by: Chao-ying Fu <chao-ying.fu@intel.com>
Signed-off-by: Alexei Zavjalov <alexei.zavjalov@intel.com>
1 file changed