RDRAND (R64) - Throughput and Uops

With 1 independent instruction

With unroll_count=10 and no inner loop

Code:
```
   0:	49 0f c7 f0          	rdrand r8
```
Show nanoBench command
Results:
- MPERF: 2210.57
- APERF: 2535.9
- UOPS: 19.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=10 and unroll_count=1

Code:
```
   0:	49 0f c7 f0          	rdrand r8
```
Show nanoBench command
Results:
- MPERF: 2210.57
- APERF: 2536.53
- UOPS: 21.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0