MOV_89 (R32, R32) - Latency

Experiment 1

• Instruction: {load} MOV R9D, R8D
• Chain instructions: MOVSX R8, R9D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 5
• Code:

     0:	45 8b c8             	mov    r9d,r8d
     3:	4d 63 c1             	movsxd r8,r9d
     6:	4d 63 c0             	movsxd r8,r8d
     9:	4d 63 c0             	movsxd r8,r8d
     c:	4d 63 c0             	movsxd r8,r8d
     f:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • MPERF: 4.07
  • APERF: 5.0
  • UOPS: 6.0