BSR (R64, R64)

Experiment 1 (with R9=0)

Instruction: BSR R8, R9

Code:

   0:	4d 0f bd c1          	bsr    r8,r9

Init:
```
MOV R9, 0
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 16.0
- Reference cycles: 16.01
- UOPS_RETIRED.ANY: 10.0

Experiment 2 (with R9=1)

Instruction: BSR R8, R9

Code:

   0:	4d 0f bd c1          	bsr    r8,r9

Init:
```
MOV R9, 1
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 16.0
- Reference cycles: 16.02
- UOPS_RETIRED.ANY: 10.0

Experiment 3 (with R9=2)

Instruction: BSR R8, R9

Code:

   0:	4d 0f bd c1          	bsr    r8,r9

Init:
```
MOV R9, 2
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 16.0
- Reference cycles: 16.02
- UOPS_RETIRED.ANY: 10.0

Experiment 4 (with R9=0)

Instruction: BSR R8, R9
Chain instructions: 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: 19

Code:

   0:	4d 0f bd c1          	bsr    r8,r9
   4:	4d 63 c0             	movsxd r8,r8d
   7:	4d 63 c0             	movsxd r8,r8d
   a:	4d 63 c0             	movsxd r8,r8d
   d:	4d 63 c0             	movsxd r8,r8d
  10:	4d 63 c0             	movsxd r8,r8d
  13:	4d 63 c0             	movsxd r8,r8d
  16:	4d 63 c0             	movsxd r8,r8d
  19:	4d 63 c0             	movsxd r8,r8d
  1c:	4d 63 c0             	movsxd r8,r8d
  1f:	4d 63 c0             	movsxd r8,r8d
  22:	4d 63 c0             	movsxd r8,r8d
  25:	4d 63 c0             	movsxd r8,r8d
  28:	4d 63 c0             	movsxd r8,r8d
  2b:	4d 63 c0             	movsxd r8,r8d
  2e:	4d 63 c0             	movsxd r8,r8d
  31:	4d 63 c0             	movsxd r8,r8d
  34:	4d 63 c0             	movsxd r8,r8d
  37:	4d 63 c0             	movsxd r8,r8d
  3a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9, 0
```
Show nanoBench command
Results:
- Instructions retired: 20.0
- Core cycles: 35.0
- Reference cycles: 35.0
- UOPS_RETIRED.ANY: 29.0

Experiment 5 (with R9=1)

Instruction: BSR R8, R9
Chain instructions: 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: 19

Code:

   0:	4d 0f bd c1          	bsr    r8,r9
   4:	4d 63 c0             	movsxd r8,r8d
   7:	4d 63 c0             	movsxd r8,r8d
   a:	4d 63 c0             	movsxd r8,r8d
   d:	4d 63 c0             	movsxd r8,r8d
  10:	4d 63 c0             	movsxd r8,r8d
  13:	4d 63 c0             	movsxd r8,r8d
  16:	4d 63 c0             	movsxd r8,r8d
  19:	4d 63 c0             	movsxd r8,r8d
  1c:	4d 63 c0             	movsxd r8,r8d
  1f:	4d 63 c0             	movsxd r8,r8d
  22:	4d 63 c0             	movsxd r8,r8d
  25:	4d 63 c0             	movsxd r8,r8d
  28:	4d 63 c0             	movsxd r8,r8d
  2b:	4d 63 c0             	movsxd r8,r8d
  2e:	4d 63 c0             	movsxd r8,r8d
  31:	4d 63 c0             	movsxd r8,r8d
  34:	4d 63 c0             	movsxd r8,r8d
  37:	4d 63 c0             	movsxd r8,r8d
  3a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9, 1
```
Show nanoBench command
Results:
- Instructions retired: 20.0
- Core cycles: 35.0
- Reference cycles: 35.01
- UOPS_RETIRED.ANY: 29.0

Experiment 6 (with R9=2)

Instruction: BSR R8, R9
Chain instructions: 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: 19

Code:

   0:	4d 0f bd c1          	bsr    r8,r9
   4:	4d 63 c0             	movsxd r8,r8d
   7:	4d 63 c0             	movsxd r8,r8d
   a:	4d 63 c0             	movsxd r8,r8d
   d:	4d 63 c0             	movsxd r8,r8d
  10:	4d 63 c0             	movsxd r8,r8d
  13:	4d 63 c0             	movsxd r8,r8d
  16:	4d 63 c0             	movsxd r8,r8d
  19:	4d 63 c0             	movsxd r8,r8d
  1c:	4d 63 c0             	movsxd r8,r8d
  1f:	4d 63 c0             	movsxd r8,r8d
  22:	4d 63 c0             	movsxd r8,r8d
  25:	4d 63 c0             	movsxd r8,r8d
  28:	4d 63 c0             	movsxd r8,r8d
  2b:	4d 63 c0             	movsxd r8,r8d
  2e:	4d 63 c0             	movsxd r8,r8d
  31:	4d 63 c0             	movsxd r8,r8d
  34:	4d 63 c0             	movsxd r8,r8d
  37:	4d 63 c0             	movsxd r8,r8d
  3a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9, 2
```
Show nanoBench command
Results:
- Instructions retired: 20.0
- Core cycles: 35.0
- Reference cycles: 34.98
- UOPS_RETIRED.ANY: 29.0

Latency operand 1 → 3: 16

Experiment 1 (with R9=0)

Instruction: BSR R8, R9
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
Chain latency: 21

Code:

   0:	4d 0f bd c1          	bsr    r8,r9
   4:	4d 0f 44 ff          	cmove  r15,r15
   8:	4d 63 c7             	movsxd r8,r15d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d
  1a:	4d 63 c0             	movsxd r8,r8d
  1d:	4d 63 c0             	movsxd r8,r8d
  20:	4d 63 c0             	movsxd r8,r8d
  23:	4d 63 c0             	movsxd r8,r8d
  26:	4d 63 c0             	movsxd r8,r8d
  29:	4d 63 c0             	movsxd r8,r8d
  2c:	4d 63 c0             	movsxd r8,r8d
  2f:	4d 63 c0             	movsxd r8,r8d
  32:	4d 63 c0             	movsxd r8,r8d
  35:	4d 63 c0             	movsxd r8,r8d
  38:	4d 63 c0             	movsxd r8,r8d
  3b:	4d 63 c0             	movsxd r8,r8d
  3e:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9, 0
```
Show nanoBench command
Results:
- Instructions retired: 21.0
- Core cycles: 37.0
- Reference cycles: 37.05
- UOPS_RETIRED.ANY: 30.0

Experiment 2 (with R9=1)

Instruction: BSR R8, R9
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
Chain latency: 21

Code:

   0:	4d 0f bd c1          	bsr    r8,r9
   4:	4d 0f 44 ff          	cmove  r15,r15
   8:	4d 63 c7             	movsxd r8,r15d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d
  1a:	4d 63 c0             	movsxd r8,r8d
  1d:	4d 63 c0             	movsxd r8,r8d
  20:	4d 63 c0             	movsxd r8,r8d
  23:	4d 63 c0             	movsxd r8,r8d
  26:	4d 63 c0             	movsxd r8,r8d
  29:	4d 63 c0             	movsxd r8,r8d
  2c:	4d 63 c0             	movsxd r8,r8d
  2f:	4d 63 c0             	movsxd r8,r8d
  32:	4d 63 c0             	movsxd r8,r8d
  35:	4d 63 c0             	movsxd r8,r8d
  38:	4d 63 c0             	movsxd r8,r8d
  3b:	4d 63 c0             	movsxd r8,r8d
  3e:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9, 1
```
Show nanoBench command
Results:
- Instructions retired: 21.0
- Core cycles: 37.0
- Reference cycles: 36.93
- UOPS_RETIRED.ANY: 30.0

Experiment 3 (with R9=2)

Instruction: BSR R8, R9
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
Chain latency: 21

Code:

   0:	4d 0f bd c1          	bsr    r8,r9
   4:	4d 0f 44 ff          	cmove  r15,r15
   8:	4d 63 c7             	movsxd r8,r15d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d
  1a:	4d 63 c0             	movsxd r8,r8d
  1d:	4d 63 c0             	movsxd r8,r8d
  20:	4d 63 c0             	movsxd r8,r8d
  23:	4d 63 c0             	movsxd r8,r8d
  26:	4d 63 c0             	movsxd r8,r8d
  29:	4d 63 c0             	movsxd r8,r8d
  2c:	4d 63 c0             	movsxd r8,r8d
  2f:	4d 63 c0             	movsxd r8,r8d
  32:	4d 63 c0             	movsxd r8,r8d
  35:	4d 63 c0             	movsxd r8,r8d
  38:	4d 63 c0             	movsxd r8,r8d
  3b:	4d 63 c0             	movsxd r8,r8d
  3e:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9, 2
```
Show nanoBench command
Results:
- Instructions retired: 21.0
- Core cycles: 37.0
- Reference cycles: 36.98
- UOPS_RETIRED.ANY: 30.0

Latency operand 2 → 1: 17

Experiment 1

Instruction: BSR R9, R8
Chain instructions: MOVSX R8, R9D;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: 19

Code:

   0:	4d 0f bd c8          	bsr    r9,r8
   4:	4d 63 c1             	movsxd r8,r9d
   7:	4d 63 c0             	movsxd r8,r8d
   a:	4d 63 c0             	movsxd r8,r8d
   d:	4d 63 c0             	movsxd r8,r8d
  10:	4d 63 c0             	movsxd r8,r8d
  13:	4d 63 c0             	movsxd r8,r8d
  16:	4d 63 c0             	movsxd r8,r8d
  19:	4d 63 c0             	movsxd r8,r8d
  1c:	4d 63 c0             	movsxd r8,r8d
  1f:	4d 63 c0             	movsxd r8,r8d
  22:	4d 63 c0             	movsxd r8,r8d
  25:	4d 63 c0             	movsxd r8,r8d
  28:	4d 63 c0             	movsxd r8,r8d
  2b:	4d 63 c0             	movsxd r8,r8d
  2e:	4d 63 c0             	movsxd r8,r8d
  31:	4d 63 c0             	movsxd r8,r8d
  34:	4d 63 c0             	movsxd r8,r8d
  37:	4d 63 c0             	movsxd r8,r8d
  3a:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 20.0
- Core cycles: 36.0
- Reference cycles: 35.97
- UOPS_RETIRED.ANY: 29.0

Latency operand 2 → 3: 17

Experiment 1

Instruction: BSR R9, 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
Chain latency: 21

Code:

   0:	4d 0f bd c8          	bsr    r9,r8
   4:	4d 0f 44 ff          	cmove  r15,r15
   8:	4d 63 c7             	movsxd r8,r15d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d
  1a:	4d 63 c0             	movsxd r8,r8d
  1d:	4d 63 c0             	movsxd r8,r8d
  20:	4d 63 c0             	movsxd r8,r8d
  23:	4d 63 c0             	movsxd r8,r8d
  26:	4d 63 c0             	movsxd r8,r8d
  29:	4d 63 c0             	movsxd r8,r8d
  2c:	4d 63 c0             	movsxd r8,r8d
  2f:	4d 63 c0             	movsxd r8,r8d
  32:	4d 63 c0             	movsxd r8,r8d
  35:	4d 63 c0             	movsxd r8,r8d
  38:	4d 63 c0             	movsxd r8,r8d
  3b:	4d 63 c0             	movsxd r8,r8d
  3e:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 21.0
- Core cycles: 38.0
- Reference cycles: 38.0
- UOPS_RETIRED.ANY: 30.0

BSR (R64, R64) - Latency

Operands

Latency operand 1 → 1: 16

Latency operand 1 → 3: 16

Latency operand 2 → 1: 17

Latency operand 2 → 3: 17

Latency operand 1 → 1: 16

Experiment 1 (with R9=0)

Experiment 2 (with R9=1)

Experiment 3 (with R9=2)

Experiment 4 (with R9=0)

Experiment 5 (with R9=1)

Experiment 6 (with R9=2)

Latency operand 1 → 3: 16

Experiment 1 (with R9=0)

Experiment 2 (with R9=1)

Experiment 3 (with R9=2)

Latency operand 2 → 1: 17

Experiment 1

Latency operand 2 → 3: 17

Experiment 1