POPCNT (R64, R64) - Port Usage

With lfence (to avoid incorrect counts due to replays)

• Code:

     0:	f3 4d 0f b8 c1       	popcnt r8,r9
     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:	90                   	nop
     f:	0f ae e8             	lfence
  

• Init:

  VZEROALL

• Show nanoBench command
• Results:
  • Instructions retired: 12.0
  • Core cycles: 19.0
  • Reference cycles: 14.31
  • 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