CMP (R64, I32)

Experiment 1

Instruction: CMP R8, 16777216
Chain instructions: CMOVZ R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 7

Code:

   0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
   7:	4d 0f 44 ff          	cmove  r15,r15
   b:	4d 63 c7             	movsxd r8,r15d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 6.07
- UOPS_RETIRED.ANY: 7.0

Experiment 2

Instruction: CMP R8, 16777216
Chain instructions: CMOVP R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 7

Code:

   0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
   7:	4d 0f 4a ff          	cmovp  r15,r15
   b:	4d 63 c7             	movsxd r8,r15d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 6.24
- UOPS_RETIRED.ANY: 7.0

Experiment 3

Instruction: CMP R8, 16777216
Chain instructions: CMOVS R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 7

Code:

   0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
   7:	4d 0f 48 ff          	cmovs  r15,r15
   b:	4d 63 c7             	movsxd r8,r15d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 6.07
- UOPS_RETIRED.ANY: 7.0

Experiment 4

Instruction: CMP R8, 16777216
Chain instructions: CMOVO R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 7

Code:

   0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
   7:	4d 0f 40 ff          	cmovo  r15,r15
   b:	4d 63 c7             	movsxd r8,r15d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 6.07
- UOPS_RETIRED.ANY: 7.0

Experiment 5

Instruction: CMP R8, 16777216
Chain instructions: CMOVC R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 7

Code:

   0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
   7:	4d 0f 42 ff          	cmovb  r15,r15
   b:	4d 63 c7             	movsxd r8,r15d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 6.07
- UOPS_RETIRED.ANY: 7.0

CMP (R64, I32) - Latency

Operands

Latency operand 1 → 3: 1

Latency operand 1 → 3: 1

Experiment 1

Experiment 2

Experiment 3

Experiment 4

Experiment 5