MOVSX (R32, R8l) - Latency

Experiment 1

• Instruction: MOVSX R9D, R8B
• Chain instructions: MOVSX R8, R9D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 5
• Code:

     0:	45 0f be c8          	movsx  r9d,r8b
     4:	4d 63 c1             	movsxd r8,r9d
     7:	4d 63 c0             	movsxd r8,r8d
     a:	4d 63 c0             	movsxd r8,r8d
     d:	4d 63 c0             	movsxd r8,r8d
    10:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • Instructions retired: 6.0
  • Core cycles: 6.0
  • Reference cycles: 2.95
  • UOPS_RETIRED.ALL: 6.0