BSF (R64, R64) - Port Usage

With lfence (to avoid incorrect counts due to replays)

• Code:

     0:	4d 0f bc c1          	bsf    r8,r9
     4:	90                   	nop
     5:	90                   	nop
     6:	90                   	nop
     7:	90                   	nop
     8:	90                   	nop
     9:	90                   	nop
     a:	90                   	nop
     b:	90                   	nop
     c:	90                   	nop
     d:	90                   	nop
     e:	0f ae e8             	lfence
  

• Show nanoBench command
• Results:
  • Instructions retired: 12.0
  • Core cycles: 19.0
  • Reference cycles: 13.47
  • UOPS_DISPATCHED.INT_EU_ALL: 2.0
  • UOPS_DISPATCHED.ALU: 1.0
  • UOPS_DISPATCHED.LD: 0.0
  • UOPS_DISPATCHED.SLOW: 1.0
  • UOPS_DISPATCHED.STD: 0.0
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 0.0
  • UOPS_DISPATCHED.STA: 0.0