CMPXCHG_LOCK (M64, R64)

Experiment 1 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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;XOR R14, R12; XOR R14, R12
Chain latency: ≥22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 63 e4             	movsxd r12,r12d
  38:	4d 63 e4             	movsxd r12,r12d
  3b:	4d 63 e4             	movsxd r12,r12d
  3e:	4d 63 e4             	movsxd r12,r12d
  41:	4d 63 e4             	movsxd r12,r12d
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 31.8
- APERF: 37.99
- UOPS: 29.0

Experiment 2 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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;XOR R14, R12; XOR R14, R12
Chain latency: ≥22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 63 e4             	movsxd r12,r12d
  38:	4d 63 e4             	movsxd r12,r12d
  3b:	4d 63 e4             	movsxd r12,r12d
  3e:	4d 63 e4             	movsxd r12,r12d
  41:	4d 63 e4             	movsxd r12,r12d
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 31.86
- APERF: 37.99
- UOPS: 29.0

Experiment 3 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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;XOR R14, R12; XOR R14, R12
Chain latency: ≥22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 63 e4             	movsxd r12,r12d
  38:	4d 63 e4             	movsxd r12,r12d
  3b:	4d 63 e4             	movsxd r12,r12d
  3e:	4d 63 e4             	movsxd r12,r12d
  41:	4d 63 e4             	movsxd r12,r12d
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 31.74
- APERF: 37.99
- UOPS: 29.0

Experiment 4 (with additional nop, with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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;XOR R14, R12; XOR R14, R12;nop
Chain latency: ≥22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 63 e4             	movsxd r12,r12d
  38:	4d 63 e4             	movsxd r12,r12d
  3b:	4d 63 e4             	movsxd r12,r12d
  3e:	4d 63 e4             	movsxd r12,r12d
  41:	4d 63 e4             	movsxd r12,r12d
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12
  4a:	90                   	nop

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 31.8
- APERF: 37.99
- UOPS: 30.0

Experiment 5 (with additional nop, with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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;XOR R14, R12; XOR R14, R12;nop
Chain latency: ≥22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 63 e4             	movsxd r12,r12d
  38:	4d 63 e4             	movsxd r12,r12d
  3b:	4d 63 e4             	movsxd r12,r12d
  3e:	4d 63 e4             	movsxd r12,r12d
  41:	4d 63 e4             	movsxd r12,r12d
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12
  4a:	90                   	nop

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 32.04
- APERF: 37.99
- UOPS: 30.0

Experiment 6 (with additional nop, with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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;XOR R14, R12; XOR R14, R12;nop
Chain latency: ≥22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 63 e4             	movsxd r12,r12d
  38:	4d 63 e4             	movsxd r12,r12d
  3b:	4d 63 e4             	movsxd r12,r12d
  3e:	4d 63 e4             	movsxd r12,r12d
  41:	4d 63 e4             	movsxd r12,r12d
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12
  4a:	90                   	nop

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 31.74
- APERF: 37.99
- UOPS: 30.0

Latency operand 1 → 1 (address, index register): ≤16

Latency operand 1 → 1 (memory): 16

Experiment 1 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.16
- APERF: 16.9
- UOPS: 6.0

Experiment 2 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: MOV RAX, 0

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.16
- APERF: 16.9
- UOPS: 7.0

Experiment 3 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.16
- APERF: 16.9
- UOPS: 6.0

Experiment 4 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: MOV RAX, 0

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.1
- APERF: 16.9
- UOPS: 7.0

Experiment 5 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.34
- APERF: 16.9
- UOPS: 6.0

Experiment 6 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: MOV RAX, 0

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.16
- APERF: 16.9
- UOPS: 7.0

Experiment 7 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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], R12
Chain latency: 10

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 21.78
- APERF: 26.0
- UOPS: 18.0

Experiment 8 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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], R12;MOV RAX, 0
Chain latency: 10

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 89 26             	mov    QWORD PTR [r14],r12
  29:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 21.84
- APERF: 26.0
- UOPS: 19.0

Experiment 9 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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], R12
Chain latency: 10

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 21.96
- APERF: 26.0
- UOPS: 18.0

Experiment 10 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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], R12;MOV RAX, 0
Chain latency: 10

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 89 26             	mov    QWORD PTR [r14],r12
  29:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 21.84
- APERF: 26.0
- UOPS: 19.0

Experiment 11 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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], R12
Chain latency: 10

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 21.84
- APERF: 26.0
- UOPS: 18.0

Experiment 12 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: MOV R12, [R14];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], R12;MOV RAX, 0
Chain latency: 10

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   8:	4d 63 e4             	movsxd r12,r12d
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 89 26             	mov    QWORD PTR [r14],r12
  29:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 21.9
- APERF: 26.0
- UOPS: 19.0

Latency operand 1 → 3 (address, base register): 6

Latency operand 1 → 3 (address, index register): 6

Latency operand 1 → 3 (memory): ≤9

Latency operand 1 → 4 (address, base register): 16

Experiment 1 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVC R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 f6          	cmovb  r14,r14

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 2 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVC R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 f6          	cmovb  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 3 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVC R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 f6          	cmovb  r14,r14

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.58
- APERF: 17.35
- UOPS: 7.0

Experiment 4 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVC R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 f6          	cmovb  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 15.3
- APERF: 18.16
- UOPS: 8.0

Experiment 5 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVC R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 f6          	cmovb  r14,r14

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.46
- APERF: 17.35
- UOPS: 7.0

Experiment 6 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVC R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 f6          	cmovb  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 7 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVZ R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 f6          	cmove  r14,r14

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 8 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVZ R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 f6          	cmove  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 9 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVZ R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 f6          	cmove  r14,r14

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.76
- APERF: 17.35
- UOPS: 7.0

Experiment 10 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVZ R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 f6          	cmove  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 11 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVZ R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 f6          	cmove  r14,r14

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.64
- APERF: 17.35
- UOPS: 7.0

Experiment 12 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVZ R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 f6          	cmove  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 13 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVS R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 f6          	cmovs  r14,r14

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 14 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVS R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 f6          	cmovs  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 15 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVS R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 f6          	cmovs  r14,r14

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 16 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVS R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 f6          	cmovs  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 17 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVS R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 f6          	cmovs  r14,r14

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.4
- APERF: 17.35
- UOPS: 7.0

Experiment 18 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVS R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 f6          	cmovs  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 15.36
- APERF: 18.16
- UOPS: 8.0

Experiment 19 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVO R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 f6          	cmovo  r14,r14

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.64
- APERF: 17.35
- UOPS: 7.0

Experiment 20 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVO R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 f6          	cmovo  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 15.36
- APERF: 18.16
- UOPS: 8.0

Experiment 21 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVO R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 f6          	cmovo  r14,r14

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.46
- APERF: 17.35
- UOPS: 7.0

Experiment 22 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVO R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 f6          	cmovo  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 15.3
- APERF: 18.16
- UOPS: 8.0

Experiment 23 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVO R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 f6          	cmovo  r14,r14

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 24 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVO R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 f6          	cmovo  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 15.18
- APERF: 18.16
- UOPS: 8.0

Experiment 25 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVP R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a f6          	cmovp  r14,r14

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.46
- APERF: 17.35
- UOPS: 7.0

Experiment 26 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVP R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a f6          	cmovp  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 15.42
- APERF: 18.16
- UOPS: 8.0

Experiment 27 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVP R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a f6          	cmovp  r14,r14

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.4
- APERF: 17.35
- UOPS: 7.0

Experiment 28 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVP R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a f6          	cmovp  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 15.42
- APERF: 18.16
- UOPS: 8.0

Experiment 29 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: CMOVP R14, R14
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a f6          	cmovp  r14,r14

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 30 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVP R14, R14;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a f6          	cmovp  r14,r14
   9:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 15.18
- APERF: 18.16
- UOPS: 8.0

Latency operand 1 → 4 (address, index register): 16

Experiment 1

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instruction: CMOVC R13, R13
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 42 ed          	cmovb  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 2 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instructions: CMOVC R13, R13;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 42 ed          	cmovb  r13,r13
   a:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 15.12
- APERF: 18.16
- UOPS: 8.0

Experiment 3

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instruction: CMOVZ R13, R13
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 44 ed          	cmove  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 14.64
- APERF: 17.35
- UOPS: 7.0

Experiment 4 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instructions: CMOVZ R13, R13;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 44 ed          	cmove  r13,r13
   a:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 5

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instruction: CMOVS R13, R13
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 48 ed          	cmovs  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 14.76
- APERF: 17.35
- UOPS: 7.0

Experiment 6 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instructions: CMOVS R13, R13;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 48 ed          	cmovs  r13,r13
   a:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 15.48
- APERF: 18.16
- UOPS: 8.0

Experiment 7

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instruction: CMOVO R13, R13
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 40 ed          	cmovo  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 14.64
- APERF: 17.35
- UOPS: 7.0

Experiment 8 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instructions: CMOVO R13, R13;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 40 ed          	cmovo  r13,r13
   a:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 15.18
- APERF: 18.16
- UOPS: 8.0

Experiment 9

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instruction: CMOVP R13, R13
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 4a ed          	cmovp  r13,r13

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 14.7
- APERF: 17.35
- UOPS: 7.0

Experiment 10 (with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14+R13], R8
Chain instructions: CMOVP R13, R13;MOV qword ptr [R14], 0
Chain latency: 1

Code:

   0:	f0 4f 0f b1 04 2e    	lock cmpxchg QWORD PTR [r14+r13*1],r8
   6:	4d 0f 4a ed          	cmovp  r13,r13
   a:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- MPERF: 15.06
- APERF: 18.16
- UOPS: 8.0

Latency operand 1 → 4 (memory): ≤9

Experiment 1 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 e4          	cmovb  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 25.5
- APERF: 30.2
- UOPS: 28.0

Experiment 2 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 e4          	cmovb  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 3 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 e4          	cmovb  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 4 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 e4          	cmove  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 5 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 e4          	cmove  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 25.5
- APERF: 30.2
- UOPS: 28.0

Experiment 6 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 e4          	cmove  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 7 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 e4          	cmovs  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 25.5
- APERF: 30.2
- UOPS: 28.0

Experiment 8 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 e4          	cmovs  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 9 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 e4          	cmovs  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 10 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 e4          	cmovo  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 11 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 e4          	cmovo  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 12 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 e4          	cmovo  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 13 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a e4          	cmovp  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 14 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a e4          	cmovp  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Experiment 15 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
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;mov [R14], R12
Chain latency: ≥21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a e4          	cmovp  r12,r12
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 63 e4             	movsxd r12,r12d
  36:	4d 63 e4             	movsxd r12,r12d
  39:	4d 63 e4             	movsxd r12,r12d
  3c:	4d 63 e4             	movsxd r12,r12d
  3f:	4d 63 e4             	movsxd r12,r12d
  42:	4d 63 e4             	movsxd r12,r12d
  45:	4d 89 26             	mov    QWORD PTR [r14],r12

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 25.56
- APERF: 30.2
- UOPS: 28.0

Latency operand 2 → 1: ≤8

Latency operand 2 → 3: 0

Latency operand 2 → 4: 0

Experiment 1

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVC R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 ff          	cmovb  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d
  1e:	4d 63 c0             	movsxd r8,r8d
  21:	4d 63 c0             	movsxd r8,r8d
  24:	4d 63 c0             	movsxd r8,r8d
  27:	4d 63 c0             	movsxd r8,r8d
  2a:	4d 63 c0             	movsxd r8,r8d
  2d:	4d 63 c0             	movsxd r8,r8d
  30:	4d 63 c0             	movsxd r8,r8d
  33:	4d 63 c0             	movsxd r8,r8d
  36:	4d 63 c0             	movsxd r8,r8d
  39:	4d 63 c0             	movsxd r8,r8d
  3c:	4d 63 c0             	movsxd r8,r8d
  3f:	4d 63 c0             	movsxd r8,r8d
  42:	4d 63 c0             	movsxd r8,r8d
  45:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- MPERF: 14.04
- APERF: 16.66
- UOPS: 28.0

Experiment 2

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVZ R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 ff          	cmove  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d
  1e:	4d 63 c0             	movsxd r8,r8d
  21:	4d 63 c0             	movsxd r8,r8d
  24:	4d 63 c0             	movsxd r8,r8d
  27:	4d 63 c0             	movsxd r8,r8d
  2a:	4d 63 c0             	movsxd r8,r8d
  2d:	4d 63 c0             	movsxd r8,r8d
  30:	4d 63 c0             	movsxd r8,r8d
  33:	4d 63 c0             	movsxd r8,r8d
  36:	4d 63 c0             	movsxd r8,r8d
  39:	4d 63 c0             	movsxd r8,r8d
  3c:	4d 63 c0             	movsxd r8,r8d
  3f:	4d 63 c0             	movsxd r8,r8d
  42:	4d 63 c0             	movsxd r8,r8d
  45:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- MPERF: 14.04
- APERF: 16.66
- UOPS: 28.0

Experiment 3

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVS R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 ff          	cmovs  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d
  1e:	4d 63 c0             	movsxd r8,r8d
  21:	4d 63 c0             	movsxd r8,r8d
  24:	4d 63 c0             	movsxd r8,r8d
  27:	4d 63 c0             	movsxd r8,r8d
  2a:	4d 63 c0             	movsxd r8,r8d
  2d:	4d 63 c0             	movsxd r8,r8d
  30:	4d 63 c0             	movsxd r8,r8d
  33:	4d 63 c0             	movsxd r8,r8d
  36:	4d 63 c0             	movsxd r8,r8d
  39:	4d 63 c0             	movsxd r8,r8d
  3c:	4d 63 c0             	movsxd r8,r8d
  3f:	4d 63 c0             	movsxd r8,r8d
  42:	4d 63 c0             	movsxd r8,r8d
  45:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- MPERF: 14.04
- APERF: 16.66
- UOPS: 28.0

Experiment 4

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVO R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 ff          	cmovo  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d
  1e:	4d 63 c0             	movsxd r8,r8d
  21:	4d 63 c0             	movsxd r8,r8d
  24:	4d 63 c0             	movsxd r8,r8d
  27:	4d 63 c0             	movsxd r8,r8d
  2a:	4d 63 c0             	movsxd r8,r8d
  2d:	4d 63 c0             	movsxd r8,r8d
  30:	4d 63 c0             	movsxd r8,r8d
  33:	4d 63 c0             	movsxd r8,r8d
  36:	4d 63 c0             	movsxd r8,r8d
  39:	4d 63 c0             	movsxd r8,r8d
  3c:	4d 63 c0             	movsxd r8,r8d
  3f:	4d 63 c0             	movsxd r8,r8d
  42:	4d 63 c0             	movsxd r8,r8d
  45:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- MPERF: 13.98
- APERF: 16.66
- UOPS: 28.0

Experiment 5

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVP R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a ff          	cmovp  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d
  1e:	4d 63 c0             	movsxd r8,r8d
  21:	4d 63 c0             	movsxd r8,r8d
  24:	4d 63 c0             	movsxd r8,r8d
  27:	4d 63 c0             	movsxd r8,r8d
  2a:	4d 63 c0             	movsxd r8,r8d
  2d:	4d 63 c0             	movsxd r8,r8d
  30:	4d 63 c0             	movsxd r8,r8d
  33:	4d 63 c0             	movsxd r8,r8d
  36:	4d 63 c0             	movsxd r8,r8d
  39:	4d 63 c0             	movsxd r8,r8d
  3c:	4d 63 c0             	movsxd r8,r8d
  3f:	4d 63 c0             	movsxd r8,r8d
  42:	4d 63 c0             	movsxd r8,r8d
  45:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- MPERF: 13.92
- APERF: 16.66
- UOPS: 28.0

Latency operand 3 → 1: ≤9

Latency operand 3 → 3: 2

Experiment 1 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: 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: 21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	48 63 c0             	movsxd rax,eax
   8:	48 63 c0             	movsxd rax,eax
   b:	48 63 c0             	movsxd rax,eax
   e:	48 63 c0             	movsxd rax,eax
  11:	48 63 c0             	movsxd rax,eax
  14:	48 63 c0             	movsxd rax,eax
  17:	48 63 c0             	movsxd rax,eax
  1a:	48 63 c0             	movsxd rax,eax
  1d:	48 63 c0             	movsxd rax,eax
  20:	48 63 c0             	movsxd rax,eax
  23:	48 63 c0             	movsxd rax,eax
  26:	48 63 c0             	movsxd rax,eax
  29:	48 63 c0             	movsxd rax,eax
  2c:	48 63 c0             	movsxd rax,eax
  2f:	48 63 c0             	movsxd rax,eax
  32:	48 63 c0             	movsxd rax,eax
  35:	48 63 c0             	movsxd rax,eax
  38:	48 63 c0             	movsxd rax,eax
  3b:	48 63 c0             	movsxd rax,eax
  3e:	48 63 c0             	movsxd rax,eax
  41:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 19.8
- APERF: 23.42
- UOPS: 27.0

Experiment 2 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: 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: 21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	48 63 c0             	movsxd rax,eax
   8:	48 63 c0             	movsxd rax,eax
   b:	48 63 c0             	movsxd rax,eax
   e:	48 63 c0             	movsxd rax,eax
  11:	48 63 c0             	movsxd rax,eax
  14:	48 63 c0             	movsxd rax,eax
  17:	48 63 c0             	movsxd rax,eax
  1a:	48 63 c0             	movsxd rax,eax
  1d:	48 63 c0             	movsxd rax,eax
  20:	48 63 c0             	movsxd rax,eax
  23:	48 63 c0             	movsxd rax,eax
  26:	48 63 c0             	movsxd rax,eax
  29:	48 63 c0             	movsxd rax,eax
  2c:	48 63 c0             	movsxd rax,eax
  2f:	48 63 c0             	movsxd rax,eax
  32:	48 63 c0             	movsxd rax,eax
  35:	48 63 c0             	movsxd rax,eax
  38:	48 63 c0             	movsxd rax,eax
  3b:	48 63 c0             	movsxd rax,eax
  3e:	48 63 c0             	movsxd rax,eax
  41:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 19.44
- APERF: 23.42
- UOPS: 27.0

Experiment 3 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: 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: 21

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	48 63 c0             	movsxd rax,eax
   8:	48 63 c0             	movsxd rax,eax
   b:	48 63 c0             	movsxd rax,eax
   e:	48 63 c0             	movsxd rax,eax
  11:	48 63 c0             	movsxd rax,eax
  14:	48 63 c0             	movsxd rax,eax
  17:	48 63 c0             	movsxd rax,eax
  1a:	48 63 c0             	movsxd rax,eax
  1d:	48 63 c0             	movsxd rax,eax
  20:	48 63 c0             	movsxd rax,eax
  23:	48 63 c0             	movsxd rax,eax
  26:	48 63 c0             	movsxd rax,eax
  29:	48 63 c0             	movsxd rax,eax
  2c:	48 63 c0             	movsxd rax,eax
  2f:	48 63 c0             	movsxd rax,eax
  32:	48 63 c0             	movsxd rax,eax
  35:	48 63 c0             	movsxd rax,eax
  38:	48 63 c0             	movsxd rax,eax
  3b:	48 63 c0             	movsxd rax,eax
  3e:	48 63 c0             	movsxd rax,eax
  41:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 19.8
- APERF: 23.42
- UOPS: 27.0

Experiment 4 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 14.76
- APERF: 17.48
- UOPS: 6.0

Experiment 5 (with R8=0, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: MOV qword ptr [R14], 0

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 15.3
- APERF: 18.3
- UOPS: 7.0

Experiment 6 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 14.76
- APERF: 17.48
- UOPS: 6.0

Experiment 7 (with R8=1, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: MOV qword ptr [R14], 0

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 15.12
- APERF: 18.3
- UOPS: 7.0

Experiment 8 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 14.4
- APERF: 17.48
- UOPS: 6.0

Experiment 9 (with R8=2, with dependency-breaking instructions)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instruction: MOV qword ptr [R14], 0

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	49 c7 06 00 00 00 00 	mov    QWORD PTR [r14],0x0

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 15.36
- APERF: 18.3
- UOPS: 7.0

Latency operand 3 → 4: 1

Experiment 1 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVC R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 ff          	cmovb  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 20.16
- APERF: 23.71
- UOPS: 28.0

Experiment 2 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVC R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 ff          	cmovb  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 20.16
- APERF: 23.71
- UOPS: 28.0

Experiment 3 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVC R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 42 ff          	cmovb  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 19.98
- APERF: 23.71
- UOPS: 28.0

Experiment 4 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVZ R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 ff          	cmove  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 19.8
- APERF: 23.71
- UOPS: 28.0

Experiment 5 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVZ R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 ff          	cmove  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 19.8
- APERF: 23.71
- UOPS: 28.0

Experiment 6 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVZ R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 44 ff          	cmove  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 20.16
- APERF: 23.71
- UOPS: 28.0

Experiment 7 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVS R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 ff          	cmovs  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 19.86
- APERF: 23.71
- UOPS: 28.0

Experiment 8 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVS R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 ff          	cmovs  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 19.68
- APERF: 23.71
- UOPS: 28.0

Experiment 9 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVS R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 48 ff          	cmovs  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 20.04
- APERF: 23.71
- UOPS: 28.0

Experiment 10 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVO R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 ff          	cmovo  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 19.98
- APERF: 23.71
- UOPS: 28.0

Experiment 11 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVO R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 ff          	cmovo  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 20.16
- APERF: 23.71
- UOPS: 28.0

Experiment 12 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVO R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 40 ff          	cmovo  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 19.86
- APERF: 23.71
- UOPS: 28.0

Experiment 13 (with R8=0)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVP R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a ff          	cmovp  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 0
```
Show nanoBench command
Results:
- MPERF: 19.62
- APERF: 23.71
- UOPS: 28.0

Experiment 14 (with R8=1)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVP R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a ff          	cmovp  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 1
```
Show nanoBench command
Results:
- MPERF: 20.16
- APERF: 23.71
- UOPS: 28.0

Experiment 15 (with R8=2)

Instruction: LOCK CMPXCHG qword ptr [R14], R8
Chain instructions: CMOVP R15, R15;MOVSX RAX, R15D;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: 22

Code:

   0:	f0 4d 0f b1 06       	lock cmpxchg QWORD PTR [r14],r8
   5:	4d 0f 4a ff          	cmovp  r15,r15
   9:	49 63 c7             	movsxd rax,r15d
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax
  18:	48 63 c0             	movsxd rax,eax
  1b:	48 63 c0             	movsxd rax,eax
  1e:	48 63 c0             	movsxd rax,eax
  21:	48 63 c0             	movsxd rax,eax
  24:	48 63 c0             	movsxd rax,eax
  27:	48 63 c0             	movsxd rax,eax
  2a:	48 63 c0             	movsxd rax,eax
  2d:	48 63 c0             	movsxd rax,eax
  30:	48 63 c0             	movsxd rax,eax
  33:	48 63 c0             	movsxd rax,eax
  36:	48 63 c0             	movsxd rax,eax
  39:	48 63 c0             	movsxd rax,eax
  3c:	48 63 c0             	movsxd rax,eax
  3f:	48 63 c0             	movsxd rax,eax
  42:	48 63 c0             	movsxd rax,eax
  45:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8, 2
```
Show nanoBench command
Results:
- MPERF: 19.8
- APERF: 23.71
- UOPS: 28.0

CMPXCHG_LOCK (M64, R64) - Latency

Operands

Latency operand 1 → 1 (address, base register): ≤16

Latency operand 1 → 1 (address, index register): ≤16

Latency operand 1 → 1 (memory): 16

Latency operand 1 → 3 (address, base register): 6

Latency operand 1 → 3 (address, index register): 6

Latency operand 1 → 3 (memory): ≤9

Latency operand 1 → 4 (address, base register): 16

Latency operand 1 → 4 (address, index register): 16

Latency operand 1 → 4 (memory): ≤9

Latency operand 2 → 1: ≤8

Latency operand 2 → 3: 0

Latency operand 2 → 4: 0

Latency operand 3 → 1: ≤9

Latency operand 3 → 3: 2

Latency operand 3 → 4: 1

Latency operand 1 → 1 (address, base register): ≤16

Experiment 1 (with R8=0)

Experiment 2 (with R8=1)

Experiment 3 (with R8=2)

Experiment 4 (with additional nop, with R8=0)

Experiment 5 (with additional nop, with R8=1)

Experiment 6 (with additional nop, with R8=2)

Latency operand 1 → 1 (address, index register): ≤16

Experiment 1

Experiment 2 (with additional nop)

Latency operand 1 → 1 (memory): 16

Experiment 1 (with R8=0)

Experiment 2 (with R8=0, with dependency-breaking instructions)

Experiment 3 (with R8=1)

Experiment 4 (with R8=1, with dependency-breaking instructions)

Experiment 5 (with R8=2)

Experiment 6 (with R8=2, with dependency-breaking instructions)

Experiment 7 (with R8=0)

Experiment 8 (with R8=0, with dependency-breaking instructions)

Experiment 9 (with R8=1)

Experiment 10 (with R8=1, with dependency-breaking instructions)

Experiment 11 (with R8=2)

Experiment 12 (with R8=2, with dependency-breaking instructions)

Latency operand 1 → 3 (address, base register): 6

Experiment 1 (with R8=0)

Experiment 2 (with R8=1)

Experiment 3 (with R8=2)

Latency operand 1 → 3 (address, index register): 6

Experiment 1

Latency operand 1 → 3 (memory): ≤9

Experiment 1 (with R8=0)

Experiment 2 (with R8=1)

Experiment 3 (with R8=2)

Latency operand 1 → 4 (address, base register): 16

Experiment 1 (with R8=0)

Experiment 2 (with R8=0, with dependency-breaking instructions)

Experiment 3 (with R8=1)

Experiment 4 (with R8=1, with dependency-breaking instructions)

Experiment 5 (with R8=2)

Experiment 6 (with R8=2, with dependency-breaking instructions)

Experiment 7 (with R8=0)

Experiment 8 (with R8=0, with dependency-breaking instructions)

Experiment 9 (with R8=1)

Experiment 10 (with R8=1, with dependency-breaking instructions)

Experiment 11 (with R8=2)

Experiment 12 (with R8=2, with dependency-breaking instructions)

Experiment 13 (with R8=0)

Experiment 14 (with R8=0, with dependency-breaking instructions)

Experiment 15 (with R8=1)

Experiment 16 (with R8=1, with dependency-breaking instructions)

Experiment 17 (with R8=2)

Experiment 18 (with R8=2, with dependency-breaking instructions)

Experiment 19 (with R8=0)

Experiment 20 (with R8=0, with dependency-breaking instructions)

Experiment 21 (with R8=1)

Experiment 22 (with R8=1, with dependency-breaking instructions)

Experiment 23 (with R8=2)

Experiment 24 (with R8=2, with dependency-breaking instructions)

Experiment 25 (with R8=0)

Experiment 26 (with R8=0, with dependency-breaking instructions)

Experiment 27 (with R8=1)

Experiment 28 (with R8=1, with dependency-breaking instructions)

Experiment 29 (with R8=2)