RDRAND (R32) - Throughput and Uops

With 1 independent instruction

With unroll_count=10 and no inner loop

Code:
```
   0:	41 0f c7 f0          	rdrand r8d
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 1841.47
- Reference cycles: 1153.1
- UOPS_EXECUTED.THREAD: 21.0
- RETIRE_SLOTS: 24.0
- UOPS_MITE: 0.0
- UOPS_MS: 21.07
- UOPS_PORT_0: 5.0
- UOPS_PORT_1: 7.4
- UOPS_PORT_6: 6.6
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- UOPS_PORT_5B: 3.2
- UOPS_PORT_5B>=2: 0.0
- UOPS_PORT_23A: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With unroll_count=10, no inner loop, and 1 NOP

Code:

   0:	41 0f c7 f0          	rdrand r8d
   4:	90                   	nop

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 1842.2
- Reference cycles: 1151.8
- UOPS_EXECUTED.THREAD: 21.0
- RETIRE_SLOTS: 25.0
- UOPS_MITE: 1.0
- UOPS_MS: 21.4
- UOPS_PORT_0: 3.2
- UOPS_PORT_1: 9.2
- UOPS_PORT_6: 5.7
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- UOPS_PORT_5B: 4.1
- UOPS_PORT_5B>=2: 0.8
- UOPS_PORT_23A: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:
```
   0:	41 0f c7 f0          	rdrand r8d
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 1841.98
- Reference cycles: 1153.1
- UOPS_EXECUTED.THREAD: 21.8
- RETIRE_SLOTS: 27.03
- UOPS_MITE: 0.6
- UOPS_MS: 14.4
- UOPS_PORT_0: 4.1
- UOPS_PORT_1: 8.57
- UOPS_PORT_6: 5.8
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- UOPS_PORT_5B: 5.17
- UOPS_PORT_5B>=2: 0.8
- UOPS_PORT_23A: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.52