CMPXCHG_LOCK (M16, R16)

Experiment 1 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;XOR R14, R12; XOR R14, R12
Chain latency: ≥27

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	4d 0f bf e4          	movsx  r12,r12w
  36:	4d 0f bf e4          	movsx  r12,r12w
  3a:	4d 0f bf e4          	movsx  r12,r12w
  3e:	4d 0f bf e4          	movsx  r12,r12w
  42:	4d 0f bf e4          	movsx  r12,r12w
  46:	4d 0f bf e4          	movsx  r12,r12w
  4a:	4d 0f bf e4          	movsx  r12,r12w
  4e:	4d 0f bf e4          	movsx  r12,r12w
  52:	4d 0f bf e4          	movsx  r12,r12w
  56:	4d 0f bf e4          	movsx  r12,r12w
  5a:	4d 0f bf e4          	movsx  r12,r12w
  5e:	4d 0f bf e4          	movsx  r12,r12w
  62:	4d 0f bf e4          	movsx  r12,r12w
  66:	4d 0f bf e4          	movsx  r12,r12w
  6a:	4d 31 e6             	xor    r14,r12
  6d:	4d 31 e6             	xor    r14,r12

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 28.0
- Core cycles: 60.05
- Reference cycles: 63.2
- UOPS_EXECUTED.THREAD: 37.0

Experiment 2 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;XOR R14, R12; XOR R14, R12
Chain latency: ≥27

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	4d 0f bf e4          	movsx  r12,r12w
  36:	4d 0f bf e4          	movsx  r12,r12w
  3a:	4d 0f bf e4          	movsx  r12,r12w
  3e:	4d 0f bf e4          	movsx  r12,r12w
  42:	4d 0f bf e4          	movsx  r12,r12w
  46:	4d 0f bf e4          	movsx  r12,r12w
  4a:	4d 0f bf e4          	movsx  r12,r12w
  4e:	4d 0f bf e4          	movsx  r12,r12w
  52:	4d 0f bf e4          	movsx  r12,r12w
  56:	4d 0f bf e4          	movsx  r12,r12w
  5a:	4d 0f bf e4          	movsx  r12,r12w
  5e:	4d 0f bf e4          	movsx  r12,r12w
  62:	4d 0f bf e4          	movsx  r12,r12w
  66:	4d 0f bf e4          	movsx  r12,r12w
  6a:	4d 31 e6             	xor    r14,r12
  6d:	4d 31 e6             	xor    r14,r12

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 28.0
- Core cycles: 60.05
- Reference cycles: 63.2
- UOPS_EXECUTED.THREAD: 37.0

Experiment 3 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;XOR R14, R12; XOR R14, R12
Chain latency: ≥27

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	4d 0f bf e4          	movsx  r12,r12w
  36:	4d 0f bf e4          	movsx  r12,r12w
  3a:	4d 0f bf e4          	movsx  r12,r12w
  3e:	4d 0f bf e4          	movsx  r12,r12w
  42:	4d 0f bf e4          	movsx  r12,r12w
  46:	4d 0f bf e4          	movsx  r12,r12w
  4a:	4d 0f bf e4          	movsx  r12,r12w
  4e:	4d 0f bf e4          	movsx  r12,r12w
  52:	4d 0f bf e4          	movsx  r12,r12w
  56:	4d 0f bf e4          	movsx  r12,r12w
  5a:	4d 0f bf e4          	movsx  r12,r12w
  5e:	4d 0f bf e4          	movsx  r12,r12w
  62:	4d 0f bf e4          	movsx  r12,r12w
  66:	4d 0f bf e4          	movsx  r12,r12w
  6a:	4d 31 e6             	xor    r14,r12
  6d:	4d 31 e6             	xor    r14,r12

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 28.0
- Core cycles: 60.54
- Reference cycles: 63.73
- UOPS_EXECUTED.THREAD: 37.0

Experiment 4 (with additional nop, with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;XOR R14, R12; XOR R14, R12;nop
Chain latency: ≥27

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	4d 0f bf e4          	movsx  r12,r12w
  36:	4d 0f bf e4          	movsx  r12,r12w
  3a:	4d 0f bf e4          	movsx  r12,r12w
  3e:	4d 0f bf e4          	movsx  r12,r12w
  42:	4d 0f bf e4          	movsx  r12,r12w
  46:	4d 0f bf e4          	movsx  r12,r12w
  4a:	4d 0f bf e4          	movsx  r12,r12w
  4e:	4d 0f bf e4          	movsx  r12,r12w
  52:	4d 0f bf e4          	movsx  r12,r12w
  56:	4d 0f bf e4          	movsx  r12,r12w
  5a:	4d 0f bf e4          	movsx  r12,r12w
  5e:	4d 0f bf e4          	movsx  r12,r12w
  62:	4d 0f bf e4          	movsx  r12,r12w
  66:	4d 0f bf e4          	movsx  r12,r12w
  6a:	4d 31 e6             	xor    r14,r12
  6d:	4d 31 e6             	xor    r14,r12
  70:	90                   	nop

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 29.0
- Core cycles: 60.19
- Reference cycles: 63.33
- UOPS_EXECUTED.THREAD: 37.0

Experiment 5 (with additional nop, with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;XOR R14, R12; XOR R14, R12;nop
Chain latency: ≥27

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	4d 0f bf e4          	movsx  r12,r12w
  36:	4d 0f bf e4          	movsx  r12,r12w
  3a:	4d 0f bf e4          	movsx  r12,r12w
  3e:	4d 0f bf e4          	movsx  r12,r12w
  42:	4d 0f bf e4          	movsx  r12,r12w
  46:	4d 0f bf e4          	movsx  r12,r12w
  4a:	4d 0f bf e4          	movsx  r12,r12w
  4e:	4d 0f bf e4          	movsx  r12,r12w
  52:	4d 0f bf e4          	movsx  r12,r12w
  56:	4d 0f bf e4          	movsx  r12,r12w
  5a:	4d 0f bf e4          	movsx  r12,r12w
  5e:	4d 0f bf e4          	movsx  r12,r12w
  62:	4d 0f bf e4          	movsx  r12,r12w
  66:	4d 0f bf e4          	movsx  r12,r12w
  6a:	4d 31 e6             	xor    r14,r12
  6d:	4d 31 e6             	xor    r14,r12
  70:	90                   	nop

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 29.0
- Core cycles: 60.09
- Reference cycles: 63.27
- UOPS_EXECUTED.THREAD: 37.0

Experiment 6 (with additional nop, with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;XOR R14, R12; XOR R14, R12;nop
Chain latency: ≥27

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	4d 0f bf e4          	movsx  r12,r12w
  36:	4d 0f bf e4          	movsx  r12,r12w
  3a:	4d 0f bf e4          	movsx  r12,r12w
  3e:	4d 0f bf e4          	movsx  r12,r12w
  42:	4d 0f bf e4          	movsx  r12,r12w
  46:	4d 0f bf e4          	movsx  r12,r12w
  4a:	4d 0f bf e4          	movsx  r12,r12w
  4e:	4d 0f bf e4          	movsx  r12,r12w
  52:	4d 0f bf e4          	movsx  r12,r12w
  56:	4d 0f bf e4          	movsx  r12,r12w
  5a:	4d 0f bf e4          	movsx  r12,r12w
  5e:	4d 0f bf e4          	movsx  r12,r12w
  62:	4d 0f bf e4          	movsx  r12,r12w
  66:	4d 0f bf e4          	movsx  r12,r12w
  6a:	4d 31 e6             	xor    r14,r12
  6d:	4d 31 e6             	xor    r14,r12
  70:	90                   	nop

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 29.0
- Core cycles: 60.05
- Reference cycles: 63.2
- UOPS_EXECUTED.THREAD: 37.0

Latency operand 1 → 1 (address, index register): ≤33

Latency operand 1 → 1 (memory): 21

Experiment 1 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 21.01
- Reference cycles: 22.13
- UOPS_EXECUTED.THREAD: 9.0

Experiment 2 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: MOV AX, 0

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 b8 00 00          	mov    ax,0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.02
- Reference cycles: 22.13
- UOPS_EXECUTED.THREAD: 10.0

Experiment 3 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 21.05
- Reference cycles: 22.2
- UOPS_EXECUTED.THREAD: 9.0

Experiment 4 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: MOV AX, 0

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 b8 00 00          	mov    ax,0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.02
- Reference cycles: 22.17
- UOPS_EXECUTED.THREAD: 10.0

Experiment 5 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 21.05
- Reference cycles: 22.2
- UOPS_EXECUTED.THREAD: 9.0

Experiment 6 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: MOV AX, 0

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 b8 00 00          	mov    ax,0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.02
- Reference cycles: 22.1
- UOPS_EXECUTED.THREAD: 10.0

Experiment 7 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOV [R14], R12W
Chain latency: 16

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 13.0
- Core cycles: 49.7
- Reference cycles: 52.33
- UOPS_EXECUTED.THREAD: 23.0

Experiment 8 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOV [R14], R12W;MOV AX, 0
Chain latency: 16

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	66 45 89 26          	mov    WORD PTR [r14],r12w
  36:	66 b8 00 00          	mov    ax,0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 49.25
- Reference cycles: 51.8
- UOPS_EXECUTED.THREAD: 24.0

Experiment 9 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOV [R14], R12W
Chain latency: 16

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 13.0
- Core cycles: 49.7
- Reference cycles: 52.33
- UOPS_EXECUTED.THREAD: 23.0

Experiment 10 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOV [R14], R12W;MOV AX, 0
Chain latency: 16

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	66 45 89 26          	mov    WORD PTR [r14],r12w
  36:	66 b8 00 00          	mov    ax,0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 49.25
- Reference cycles: 51.8
- UOPS_EXECUTED.THREAD: 24.0

Experiment 11 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOV [R14], R12W
Chain latency: 16

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 13.0
- Core cycles: 49.7
- Reference cycles: 52.37
- UOPS_EXECUTED.THREAD: 23.0

Experiment 12 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOV R12W, [R14];MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOVSX R12, R12W;MOV [R14], R12W;MOV AX, 0
Chain latency: 16

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 8b 26          	mov    r12w,WORD PTR [r14]
   a:	4d 0f bf e4          	movsx  r12,r12w
   e:	4d 0f bf e4          	movsx  r12,r12w
  12:	4d 0f bf e4          	movsx  r12,r12w
  16:	4d 0f bf e4          	movsx  r12,r12w
  1a:	4d 0f bf e4          	movsx  r12,r12w
  1e:	4d 0f bf e4          	movsx  r12,r12w
  22:	4d 0f bf e4          	movsx  r12,r12w
  26:	4d 0f bf e4          	movsx  r12,r12w
  2a:	4d 0f bf e4          	movsx  r12,r12w
  2e:	4d 0f bf e4          	movsx  r12,r12w
  32:	66 45 89 26          	mov    WORD PTR [r14],r12w
  36:	66 b8 00 00          	mov    ax,0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 49.25
- Reference cycles: 51.8
- UOPS_EXECUTED.THREAD: 24.0

Latency operand 1 → 3 (address, base register): 14

Latency operand 1 → 3 (address, index register): 14

Latency operand 1 → 3 (memory): ≤18

Latency operand 1 → 4 (address, base register): 20

Experiment 1 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVS R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 f6          	cmovs  r14,r14

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 2 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 f6          	cmovs  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.53
- UOPS_EXECUTED.THREAD: 12.0

Experiment 3 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVS R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 f6          	cmovs  r14,r14

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 4 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 f6          	cmovs  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.57
- UOPS_EXECUTED.THREAD: 12.0

Experiment 5 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVS R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 f6          	cmovs  r14,r14

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 6 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 f6          	cmovs  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 7 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVC R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 f6          	cmovb  r14,r14

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.07
- UOPS_EXECUTED.THREAD: 10.0

Experiment 8 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 f6          	cmovb  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 9 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVC R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 f6          	cmovb  r14,r14

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 10 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 f6          	cmovb  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.6
- UOPS_EXECUTED.THREAD: 12.0

Experiment 11 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVC R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 f6          	cmovb  r14,r14

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 12 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 f6          	cmovb  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 13 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVO R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 f6          	cmovo  r14,r14

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.1
- UOPS_EXECUTED.THREAD: 10.0

Experiment 14 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 f6          	cmovo  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 15 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVO R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 f6          	cmovo  r14,r14

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 16 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 f6          	cmovo  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 17 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVO R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 f6          	cmovo  r14,r14

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.0
- UOPS_EXECUTED.THREAD: 10.0

Experiment 18 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 f6          	cmovo  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 19 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVP R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a f6          	cmovp  r14,r14

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 20 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a f6          	cmovp  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 21 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVP R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a f6          	cmovp  r14,r14

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 22 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a f6          	cmovp  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 23 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVP R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a f6          	cmovp  r14,r14

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 24 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a f6          	cmovp  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 25 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVZ R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 f6          	cmove  r14,r14

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 26 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 f6          	cmove  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.6
- UOPS_EXECUTED.THREAD: 12.0

Experiment 27 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVZ R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 f6          	cmove  r14,r14

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.07
- UOPS_EXECUTED.THREAD: 10.0

Experiment 28 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 f6          	cmove  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.5
- UOPS_EXECUTED.THREAD: 12.0

Experiment 29 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: CMOVZ R14, R14
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 f6          	cmove  r14,r14

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 30 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R14, R14;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 f6          	cmove  r14,r14
   a:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 25.21
- Reference cycles: 26.53
- UOPS_EXECUTED.THREAD: 12.0

Latency operand 1 → 4 (address, index register): 20

Experiment 1

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instruction: CMOVS R13, R13
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 48 ed          	cmovs  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 2 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instructions: CMOVS R13, R13;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 48 ed          	cmovs  r13,r13
   b:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 27.0
- Reference cycles: 28.4
- UOPS_EXECUTED.THREAD: 12.0

Experiment 3

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instruction: CMOVC R13, R13
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 42 ed          	cmovb  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 4 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instructions: CMOVC R13, R13;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 42 ed          	cmovb  r13,r13
   b:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 27.0
- Reference cycles: 28.6
- UOPS_EXECUTED.THREAD: 12.0

Experiment 5

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instruction: CMOVO R13, R13
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 40 ed          	cmovo  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.03
- UOPS_EXECUTED.THREAD: 10.0

Experiment 6 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instructions: CMOVO R13, R13;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 40 ed          	cmovo  r13,r13
   b:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 27.0
- Reference cycles: 28.4
- UOPS_EXECUTED.THREAD: 12.0

Experiment 7

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instruction: CMOVP R13, R13
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 4a ed          	cmovp  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.1
- UOPS_EXECUTED.THREAD: 10.0

Experiment 8 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instructions: CMOVP R13, R13;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 4a ed          	cmovp  r13,r13
   b:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 27.0
- Reference cycles: 28.4
- UOPS_EXECUTED.THREAD: 12.0

Experiment 9

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instruction: CMOVZ R13, R13
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 44 ed          	cmove  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 21.0
- Reference cycles: 22.07
- UOPS_EXECUTED.THREAD: 10.0

Experiment 10 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14+R13], R8W
Chain instructions: CMOVZ R13, R13;MOV word ptr [R14], 0
Chain latency: 1

Code:

   0:	66 f0 47 0f b1 04 2e 	lock cmpxchg WORD PTR [r14+r13*1],r8w
   7:	4d 0f 44 ed          	cmove  r13,r13
   b:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 27.0
- Reference cycles: 28.4
- UOPS_EXECUTED.THREAD: 12.0

Latency operand 1 → 4 (memory): ≤17

Experiment 1 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 e4          	cmovs  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 2 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 e4          	cmovs  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.83
- UOPS_EXECUTED.THREAD: 36.0

Experiment 3 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 48 e4          	cmovs  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 4 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 e4          	cmovb  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.83
- UOPS_EXECUTED.THREAD: 36.0

Experiment 5 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 e4          	cmovb  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 6 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 42 e4          	cmovb  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 7 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 e4          	cmovo  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.83
- UOPS_EXECUTED.THREAD: 36.0

Experiment 8 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 e4          	cmovo  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 9 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 40 e4          	cmovo  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.83
- UOPS_EXECUTED.THREAD: 36.0

Experiment 10 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a e4          	cmovp  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.83
- UOPS_EXECUTED.THREAD: 36.0

Experiment 11 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a e4          	cmovp  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.83
- UOPS_EXECUTED.THREAD: 36.0

Experiment 12 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 4a e4          	cmovp  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 13 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 e4          	cmove  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 14 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 e4          	cmove  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Experiment 15 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R12, R12;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;MOVSX R12, R12d;mov [R14], R12W
Chain latency: ≥26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	4d 0f 44 e4          	cmove  r12,r12
   a:	4d 63 e4             	movsxd r12,r12d
   d:	4d 63 e4             	movsxd r12,r12d
  10:	4d 63 e4             	movsxd r12,r12d
  13:	4d 63 e4             	movsxd r12,r12d
  16:	4d 63 e4             	movsxd r12,r12d
  19:	4d 63 e4             	movsxd r12,r12d
  1c:	4d 63 e4             	movsxd r12,r12d
  1f:	4d 63 e4             	movsxd r12,r12d
  22:	4d 63 e4             	movsxd r12,r12d
  25:	4d 63 e4             	movsxd r12,r12d
  28:	4d 63 e4             	movsxd r12,r12d
  2b:	4d 63 e4             	movsxd r12,r12d
  2e:	4d 63 e4             	movsxd r12,r12d
  31:	4d 63 e4             	movsxd r12,r12d
  34:	4d 63 e4             	movsxd r12,r12d
  37:	4d 63 e4             	movsxd r12,r12d
  3a:	4d 63 e4             	movsxd r12,r12d
  3d:	4d 63 e4             	movsxd r12,r12d
  40:	4d 63 e4             	movsxd r12,r12d
  43:	4d 63 e4             	movsxd r12,r12d
  46:	4d 63 e4             	movsxd r12,r12d
  49:	4d 63 e4             	movsxd r12,r12d
  4c:	4d 63 e4             	movsxd r12,r12d
  4f:	4d 63 e4             	movsxd r12,r12d
  52:	66 45 89 26          	mov    WORD PTR [r14],r12w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 43.54
- Reference cycles: 45.8
- UOPS_EXECUTED.THREAD: 36.0

Latency operand 2 → 1: ≤32

Latency operand 2 → 3: 14

Latency operand 2 → 4: 12

Experiment 1

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R15W, R15W;MOVSX R8, R15W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 48 ff       	cmovs  r15w,r15w
   b:	4d 0f bf c7          	movsx  r8,r15w
   f:	4d 0f bf c0          	movsx  r8,r8w
  13:	4d 0f bf c0          	movsx  r8,r8w
  17:	4d 0f bf c0          	movsx  r8,r8w
  1b:	4d 0f bf c0          	movsx  r8,r8w
  1f:	4d 0f bf c0          	movsx  r8,r8w
  23:	4d 0f bf c0          	movsx  r8,r8w
  27:	4d 0f bf c0          	movsx  r8,r8w
  2b:	4d 0f bf c0          	movsx  r8,r8w
  2f:	4d 0f bf c0          	movsx  r8,r8w
  33:	4d 0f bf c0          	movsx  r8,r8w
  37:	4d 0f bf c0          	movsx  r8,r8w
  3b:	4d 0f bf c0          	movsx  r8,r8w
  3f:	4d 0f bf c0          	movsx  r8,r8w
  43:	4d 0f bf c0          	movsx  r8,r8w
  47:	4d 0f bf c0          	movsx  r8,r8w
  4b:	4d 0f bf c0          	movsx  r8,r8w
  4f:	4d 0f bf c0          	movsx  r8,r8w
  53:	4d 0f bf c0          	movsx  r8,r8w
  57:	4d 0f bf c0          	movsx  r8,r8w
  5b:	4d 0f bf c0          	movsx  r8,r8w
  5f:	4d 0f bf c0          	movsx  r8,r8w
  63:	4d 0f bf c0          	movsx  r8,r8w
  67:	4d 0f bf c0          	movsx  r8,r8w
  6b:	4d 0f bf c0          	movsx  r8,r8w

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 2

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R15W, R15W;MOVSX R8, R15W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 42 ff       	cmovb  r15w,r15w
   b:	4d 0f bf c7          	movsx  r8,r15w
   f:	4d 0f bf c0          	movsx  r8,r8w
  13:	4d 0f bf c0          	movsx  r8,r8w
  17:	4d 0f bf c0          	movsx  r8,r8w
  1b:	4d 0f bf c0          	movsx  r8,r8w
  1f:	4d 0f bf c0          	movsx  r8,r8w
  23:	4d 0f bf c0          	movsx  r8,r8w
  27:	4d 0f bf c0          	movsx  r8,r8w
  2b:	4d 0f bf c0          	movsx  r8,r8w
  2f:	4d 0f bf c0          	movsx  r8,r8w
  33:	4d 0f bf c0          	movsx  r8,r8w
  37:	4d 0f bf c0          	movsx  r8,r8w
  3b:	4d 0f bf c0          	movsx  r8,r8w
  3f:	4d 0f bf c0          	movsx  r8,r8w
  43:	4d 0f bf c0          	movsx  r8,r8w
  47:	4d 0f bf c0          	movsx  r8,r8w
  4b:	4d 0f bf c0          	movsx  r8,r8w
  4f:	4d 0f bf c0          	movsx  r8,r8w
  53:	4d 0f bf c0          	movsx  r8,r8w
  57:	4d 0f bf c0          	movsx  r8,r8w
  5b:	4d 0f bf c0          	movsx  r8,r8w
  5f:	4d 0f bf c0          	movsx  r8,r8w
  63:	4d 0f bf c0          	movsx  r8,r8w
  67:	4d 0f bf c0          	movsx  r8,r8w
  6b:	4d 0f bf c0          	movsx  r8,r8w

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 3

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R15W, R15W;MOVSX R8, R15W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 40 ff       	cmovo  r15w,r15w
   b:	4d 0f bf c7          	movsx  r8,r15w
   f:	4d 0f bf c0          	movsx  r8,r8w
  13:	4d 0f bf c0          	movsx  r8,r8w
  17:	4d 0f bf c0          	movsx  r8,r8w
  1b:	4d 0f bf c0          	movsx  r8,r8w
  1f:	4d 0f bf c0          	movsx  r8,r8w
  23:	4d 0f bf c0          	movsx  r8,r8w
  27:	4d 0f bf c0          	movsx  r8,r8w
  2b:	4d 0f bf c0          	movsx  r8,r8w
  2f:	4d 0f bf c0          	movsx  r8,r8w
  33:	4d 0f bf c0          	movsx  r8,r8w
  37:	4d 0f bf c0          	movsx  r8,r8w
  3b:	4d 0f bf c0          	movsx  r8,r8w
  3f:	4d 0f bf c0          	movsx  r8,r8w
  43:	4d 0f bf c0          	movsx  r8,r8w
  47:	4d 0f bf c0          	movsx  r8,r8w
  4b:	4d 0f bf c0          	movsx  r8,r8w
  4f:	4d 0f bf c0          	movsx  r8,r8w
  53:	4d 0f bf c0          	movsx  r8,r8w
  57:	4d 0f bf c0          	movsx  r8,r8w
  5b:	4d 0f bf c0          	movsx  r8,r8w
  5f:	4d 0f bf c0          	movsx  r8,r8w
  63:	4d 0f bf c0          	movsx  r8,r8w
  67:	4d 0f bf c0          	movsx  r8,r8w
  6b:	4d 0f bf c0          	movsx  r8,r8w

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 4

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R15W, R15W;MOVSX R8, R15W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 4a ff       	cmovp  r15w,r15w
   b:	4d 0f bf c7          	movsx  r8,r15w
   f:	4d 0f bf c0          	movsx  r8,r8w
  13:	4d 0f bf c0          	movsx  r8,r8w
  17:	4d 0f bf c0          	movsx  r8,r8w
  1b:	4d 0f bf c0          	movsx  r8,r8w
  1f:	4d 0f bf c0          	movsx  r8,r8w
  23:	4d 0f bf c0          	movsx  r8,r8w
  27:	4d 0f bf c0          	movsx  r8,r8w
  2b:	4d 0f bf c0          	movsx  r8,r8w
  2f:	4d 0f bf c0          	movsx  r8,r8w
  33:	4d 0f bf c0          	movsx  r8,r8w
  37:	4d 0f bf c0          	movsx  r8,r8w
  3b:	4d 0f bf c0          	movsx  r8,r8w
  3f:	4d 0f bf c0          	movsx  r8,r8w
  43:	4d 0f bf c0          	movsx  r8,r8w
  47:	4d 0f bf c0          	movsx  r8,r8w
  4b:	4d 0f bf c0          	movsx  r8,r8w
  4f:	4d 0f bf c0          	movsx  r8,r8w
  53:	4d 0f bf c0          	movsx  r8,r8w
  57:	4d 0f bf c0          	movsx  r8,r8w
  5b:	4d 0f bf c0          	movsx  r8,r8w
  5f:	4d 0f bf c0          	movsx  r8,r8w
  63:	4d 0f bf c0          	movsx  r8,r8w
  67:	4d 0f bf c0          	movsx  r8,r8w
  6b:	4d 0f bf c0          	movsx  r8,r8w

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 5

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R15W, R15W;MOVSX R8, R15W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W;MOVSX R8, R8W
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 44 ff       	cmove  r15w,r15w
   b:	4d 0f bf c7          	movsx  r8,r15w
   f:	4d 0f bf c0          	movsx  r8,r8w
  13:	4d 0f bf c0          	movsx  r8,r8w
  17:	4d 0f bf c0          	movsx  r8,r8w
  1b:	4d 0f bf c0          	movsx  r8,r8w
  1f:	4d 0f bf c0          	movsx  r8,r8w
  23:	4d 0f bf c0          	movsx  r8,r8w
  27:	4d 0f bf c0          	movsx  r8,r8w
  2b:	4d 0f bf c0          	movsx  r8,r8w
  2f:	4d 0f bf c0          	movsx  r8,r8w
  33:	4d 0f bf c0          	movsx  r8,r8w
  37:	4d 0f bf c0          	movsx  r8,r8w
  3b:	4d 0f bf c0          	movsx  r8,r8w
  3f:	4d 0f bf c0          	movsx  r8,r8w
  43:	4d 0f bf c0          	movsx  r8,r8w
  47:	4d 0f bf c0          	movsx  r8,r8w
  4b:	4d 0f bf c0          	movsx  r8,r8w
  4f:	4d 0f bf c0          	movsx  r8,r8w
  53:	4d 0f bf c0          	movsx  r8,r8w
  57:	4d 0f bf c0          	movsx  r8,r8w
  5b:	4d 0f bf c0          	movsx  r8,r8w
  5f:	4d 0f bf c0          	movsx  r8,r8w
  63:	4d 0f bf c0          	movsx  r8,r8w
  67:	4d 0f bf c0          	movsx  r8,r8w
  6b:	4d 0f bf c0          	movsx  r8,r8w

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Latency operand 3 → 1: ≤32

Latency operand 3 → 3: 14

Experiment 1 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOVSX RAX, AX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 25

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	48 0f bf c0          	movsx  rax,ax
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax
  1c:	48 63 c0             	movsxd rax,eax
  1f:	48 63 c0             	movsxd rax,eax
  22:	48 63 c0             	movsxd rax,eax
  25:	48 63 c0             	movsxd rax,eax
  28:	48 63 c0             	movsxd rax,eax
  2b:	48 63 c0             	movsxd rax,eax
  2e:	48 63 c0             	movsxd rax,eax
  31:	48 63 c0             	movsxd rax,eax
  34:	48 63 c0             	movsxd rax,eax
  37:	48 63 c0             	movsxd rax,eax
  3a:	48 63 c0             	movsxd rax,eax
  3d:	48 63 c0             	movsxd rax,eax
  40:	48 63 c0             	movsxd rax,eax
  43:	48 63 c0             	movsxd rax,eax
  46:	48 63 c0             	movsxd rax,eax
  49:	48 63 c0             	movsxd rax,eax
  4c:	48 63 c0             	movsxd rax,eax
  4f:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 38.8
- Reference cycles: 40.83
- UOPS_EXECUTED.THREAD: 34.0

Experiment 2 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOVSX RAX, AX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 25

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	48 0f bf c0          	movsx  rax,ax
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax
  1c:	48 63 c0             	movsxd rax,eax
  1f:	48 63 c0             	movsxd rax,eax
  22:	48 63 c0             	movsxd rax,eax
  25:	48 63 c0             	movsxd rax,eax
  28:	48 63 c0             	movsxd rax,eax
  2b:	48 63 c0             	movsxd rax,eax
  2e:	48 63 c0             	movsxd rax,eax
  31:	48 63 c0             	movsxd rax,eax
  34:	48 63 c0             	movsxd rax,eax
  37:	48 63 c0             	movsxd rax,eax
  3a:	48 63 c0             	movsxd rax,eax
  3d:	48 63 c0             	movsxd rax,eax
  40:	48 63 c0             	movsxd rax,eax
  43:	48 63 c0             	movsxd rax,eax
  46:	48 63 c0             	movsxd rax,eax
  49:	48 63 c0             	movsxd rax,eax
  4c:	48 63 c0             	movsxd rax,eax
  4f:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 38.8
- Reference cycles: 40.9
- UOPS_EXECUTED.THREAD: 34.0

Experiment 3 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: MOVSX RAX, AX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 25

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	48 0f bf c0          	movsx  rax,ax
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax
  1c:	48 63 c0             	movsxd rax,eax
  1f:	48 63 c0             	movsxd rax,eax
  22:	48 63 c0             	movsxd rax,eax
  25:	48 63 c0             	movsxd rax,eax
  28:	48 63 c0             	movsxd rax,eax
  2b:	48 63 c0             	movsxd rax,eax
  2e:	48 63 c0             	movsxd rax,eax
  31:	48 63 c0             	movsxd rax,eax
  34:	48 63 c0             	movsxd rax,eax
  37:	48 63 c0             	movsxd rax,eax
  3a:	48 63 c0             	movsxd rax,eax
  3d:	48 63 c0             	movsxd rax,eax
  40:	48 63 c0             	movsxd rax,eax
  43:	48 63 c0             	movsxd rax,eax
  46:	48 63 c0             	movsxd rax,eax
  49:	48 63 c0             	movsxd rax,eax
  4c:	48 63 c0             	movsxd rax,eax
  4f:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 38.8
- Reference cycles: 40.83
- UOPS_EXECUTED.THREAD: 34.0

Experiment 4 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 21.0
- Reference cycles: 22.07
- UOPS_EXECUTED.THREAD: 9.0

Experiment 5 (with R8W=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: MOV word ptr [R14], 0

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 28.2
- Reference cycles: 29.67
- UOPS_EXECUTED.THREAD: 11.0

Experiment 6 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 21.08
- Reference cycles: 22.23
- UOPS_EXECUTED.THREAD: 9.0

Experiment 7 (with R8W=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: MOV word ptr [R14], 0

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 27.56
- Reference cycles: 29.0
- UOPS_EXECUTED.THREAD: 11.0

Experiment 8 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 21.0
- Reference cycles: 22.07
- UOPS_EXECUTED.THREAD: 9.0

Experiment 9 (with R8W=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instruction: MOV word ptr [R14], 0

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 41 c7 06 00 00    	mov    WORD PTR [r14],0x0

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 28.2
- Reference cycles: 29.7
- UOPS_EXECUTED.THREAD: 11.0

Latency operand 3 → 4: 12

Experiment 1 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 48 ff       	cmovs  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 2 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 48 ff       	cmovs  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 3 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVS R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 48 ff       	cmovs  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 4 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 42 ff       	cmovb  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 5 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 42 ff       	cmovb  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 6 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVC R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 42 ff       	cmovb  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 7 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 40 ff       	cmovo  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 8 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 40 ff       	cmovo  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.2
- UOPS_EXECUTED.THREAD: 35.0

Experiment 9 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVO R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 40 ff       	cmovo  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.2
- UOPS_EXECUTED.THREAD: 35.0

Experiment 10 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 4a ff       	cmovp  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 11 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 4a ff       	cmovp  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.2
- UOPS_EXECUTED.THREAD: 35.0

Experiment 12 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVP R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 4a ff       	cmovp  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 13 (with R8W=0)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 44 ff       	cmove  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 0
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 14 (with R8W=1)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 44 ff       	cmove  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 1
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

Experiment 15 (with R8W=2)

Instruction: LOCK CMPXCHG word ptr [R14], R8W
Chain instructions: CMOVZ R15W, R15W;MOVSX RAX, R15W;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX;MOVSX RAX, AX
Chain latency: 26

Code:

   0:	66 f0 45 0f b1 06    	lock cmpxchg WORD PTR [r14],r8w
   6:	66 45 0f 44 ff       	cmove  r15w,r15w
   b:	49 0f bf c7          	movsx  rax,r15w
   f:	48 0f bf c0          	movsx  rax,ax
  13:	48 0f bf c0          	movsx  rax,ax
  17:	48 0f bf c0          	movsx  rax,ax
  1b:	48 0f bf c0          	movsx  rax,ax
  1f:	48 0f bf c0          	movsx  rax,ax
  23:	48 0f bf c0          	movsx  rax,ax
  27:	48 0f bf c0          	movsx  rax,ax
  2b:	48 0f bf c0          	movsx  rax,ax
  2f:	48 0f bf c0          	movsx  rax,ax
  33:	48 0f bf c0          	movsx  rax,ax
  37:	48 0f bf c0          	movsx  rax,ax
  3b:	48 0f bf c0          	movsx  rax,ax
  3f:	48 0f bf c0          	movsx  rax,ax
  43:	48 0f bf c0          	movsx  rax,ax
  47:	48 0f bf c0          	movsx  rax,ax
  4b:	48 0f bf c0          	movsx  rax,ax
  4f:	48 0f bf c0          	movsx  rax,ax
  53:	48 0f bf c0          	movsx  rax,ax
  57:	48 0f bf c0          	movsx  rax,ax
  5b:	48 0f bf c0          	movsx  rax,ax
  5f:	48 0f bf c0          	movsx  rax,ax
  63:	48 0f bf c0          	movsx  rax,ax
  67:	48 0f bf c0          	movsx  rax,ax
  6b:	48 0f bf c0          	movsx  rax,ax

Init:
```
MOV R8W, 2
```
Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 38.16
- Reference cycles: 40.17
- UOPS_EXECUTED.THREAD: 35.0

CMPXCHG_LOCK (M16, R16) - Latency

Operands

Latency operand 1 → 1 (address, base register): ≤33

Latency operand 1 → 1 (address, index register): ≤33

Latency operand 1 → 1 (memory): 21

Latency operand 1 → 3 (address, base register): 14

Latency operand 1 → 3 (address, index register): 14

Latency operand 1 → 3 (memory): ≤18

Latency operand 1 → 4 (address, base register): 20

Latency operand 1 → 4 (address, index register): 20

Latency operand 1 → 4 (memory): ≤17

Latency operand 2 → 1: ≤32

Latency operand 2 → 3: 14

Latency operand 2 → 4: 12

Latency operand 3 → 1: ≤32

Latency operand 3 → 3: 14

Latency operand 3 → 4: 12

Latency operand 1 → 1 (address, base register): ≤33

Experiment 1 (with R8W=0)

Experiment 2 (with R8W=1)

Experiment 3 (with R8W=2)

Experiment 4 (with additional nop, with R8W=0)

Experiment 5 (with additional nop, with R8W=1)

Experiment 6 (with additional nop, with R8W=2)

Latency operand 1 → 1 (address, index register): ≤33

Experiment 1

Experiment 2 (with additional nop)

Latency operand 1 → 1 (memory): 21

Experiment 1 (with R8W=0)

Experiment 2 (with R8W=0, with dependency-breaking instructions)

Experiment 3 (with R8W=1)

Experiment 4 (with R8W=1, with dependency-breaking instructions)

Experiment 5 (with R8W=2)

Experiment 6 (with R8W=2, with dependency-breaking instructions)

Experiment 7 (with R8W=0)

Experiment 8 (with R8W=0, with dependency-breaking instructions)

Experiment 9 (with R8W=1)

Experiment 10 (with R8W=1, with dependency-breaking instructions)

Experiment 11 (with R8W=2)

Experiment 12 (with R8W=2, with dependency-breaking instructions)

Latency operand 1 → 3 (address, base register): 14

Experiment 1 (with R8W=0)

Experiment 2 (with R8W=1)

Experiment 3 (with R8W=2)

Latency operand 1 → 3 (address, index register): 14

Experiment 1

Latency operand 1 → 3 (memory): ≤18

Experiment 1 (with R8W=0)

Experiment 2 (with R8W=1)

Experiment 3 (with R8W=2)

Latency operand 1 → 4 (address, base register): 20

Experiment 1 (with R8W=0)

Experiment 2 (with R8W=0, with dependency-breaking instructions)

Experiment 3 (with R8W=1)

Experiment 4 (with R8W=1, with dependency-breaking instructions)

Experiment 5 (with R8W=2)

Experiment 6 (with R8W=2, with dependency-breaking instructions)

Experiment 7 (with R8W=0)

Experiment 8 (with R8W=0, with dependency-breaking instructions)

Experiment 9 (with R8W=1)

Experiment 10 (with R8W=1, with dependency-breaking instructions)

Experiment 11 (with R8W=2)

Experiment 12 (with R8W=2, with dependency-breaking instructions)

Experiment 13 (with R8W=0)

Experiment 14 (with R8W=0, with dependency-breaking instructions)

Experiment 15 (with R8W=1)

Experiment 16 (with R8W=1, with dependency-breaking instructions)

Experiment 17 (with R8W=2)

Experiment 18 (with R8W=2, with dependency-breaking instructions)

Experiment 19 (with R8W=0)

Experiment 20 (with R8W=0, with dependency-breaking instructions)

Experiment 21 (with R8W=1)

Experiment 22 (with R8W=1, with dependency-breaking instructions)

Experiment 23 (with R8W=2)

Experiment 24 (with R8W=2, with dependency-breaking instructions)

Experiment 25 (with R8W=0)

Experiment 26 (with R8W=0, with dependency-breaking instructions)

Experiment 27 (with R8W=1)

Experiment 28 (with R8W=1, with dependency-breaking instructions)

Experiment 29 (with R8W=2)