Optimizing: Fix long-to-fp conversion on x86.

long-to-fp conversion implemented using SSE loses the precision.
The test is included. CL uses FPU to provide the correct result.

Change-Id: I8eaf3c46819a8cb52642a7e7d7c4e3e0edbc88db
Signed-off-by: Serguei Katkov <serguei.i.katkov@intel.com>
7 files changed