BZHI (R32, R32, R32)

Experiment 1

Instruction: BZHI R9D, R8D, R10D
Chain instruction: BZHI R8D, R9D, R10D

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	c4 42 28 f5 c1       	bzhi   r8d,r9d,r10d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 2.05
- Reference cycles: 1.23
- UOPS_EXECUTED.THREAD: 2.0

Experiment 2

Instruction: BZHI R9D, R8D, R10D
Chain instructions: MOVSX R8, R9D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 5

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	4d 63 c1             	movsxd r8,r9d
   8:	4d 63 c0             	movsxd r8,r8d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 6.0
- Reference cycles: 4.29
- UOPS_EXECUTED.THREAD: 6.0

Experiment 3 (with clean upper 32 bits)

Instruction: BZHI R9D, R8D, R10D
Chain instruction: BZHI R8D, R9D, R10D

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	c4 42 28 f5 c1       	bzhi   r8d,r9d,r10d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 2.0
- Reference cycles: 1.69
- UOPS_EXECUTED.THREAD: 2.0

Experiment 4 (with clean upper 32 bits)

Instruction: BZHI R9D, R8D, R10D
Chain instructions: MOVSX R8, R9D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 5

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	4d 63 c1             	movsxd r8,r9d
   8:	4d 63 c0             	movsxd r8,r8d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 6.0
- Reference cycles: 4.6
- UOPS_EXECUTED.THREAD: 6.0

Latency operand 2 → 4: 1

Experiment 1

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVS R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 48 ff          	cmovs  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.07
- Reference cycles: 4.91
- UOPS_EXECUTED.THREAD: 7.0

Experiment 2

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVO R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 40 ff          	cmovo  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.52
- UOPS_EXECUTED.THREAD: 7.0

Experiment 3

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVC R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 42 ff          	cmovb  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.52
- UOPS_EXECUTED.THREAD: 7.0

Experiment 4

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVZ R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 44 ff          	cmove  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 6.98
- Reference cycles: 4.91
- UOPS_EXECUTED.THREAD: 7.0

Experiment 5 (with clean upper 32 bits)

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVS R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 48 ff          	cmovs  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.52
- UOPS_EXECUTED.THREAD: 7.0

Experiment 6 (with clean upper 32 bits)

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVO R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 40 ff          	cmovo  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.52
- UOPS_EXECUTED.THREAD: 7.0

Experiment 7 (with clean upper 32 bits)

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVC R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 42 ff          	cmovb  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.21
- UOPS_EXECUTED.THREAD: 7.0

Experiment 8 (with clean upper 32 bits)

Instruction: BZHI R9D, R8D, R10D
Chain instructions: CMOVZ R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 28 f5 c8       	bzhi   r9d,r8d,r10d
   5:	45 0f 44 ff          	cmove  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 4.75
- UOPS_EXECUTED.THREAD: 7.0

Latency operand 3 → 1: 1

Experiment 1

Instruction: BZHI R9D, R10D, R8D
Chain instruction: BZHI R8D, R10D, R9D

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	c4 42 30 f5 c2       	bzhi   r8d,r10d,r9d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 2.05
- Reference cycles: 1.07
- UOPS_EXECUTED.THREAD: 2.0

Experiment 2

Instruction: BZHI R9D, R10D, R8D
Chain instructions: MOVSX R8, R9D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 5

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	4d 63 c1             	movsxd r8,r9d
   8:	4d 63 c0             	movsxd r8,r8d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 5.98
- Reference cycles: 4.6
- UOPS_EXECUTED.THREAD: 6.0

Experiment 3 (with clean upper 32 bits)

Instruction: BZHI R9D, R10D, R8D
Chain instruction: BZHI R8D, R10D, R9D

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	c4 42 30 f5 c2       	bzhi   r8d,r10d,r9d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 2.0
- Reference cycles: 1.84
- UOPS_EXECUTED.THREAD: 2.0

Experiment 4 (with clean upper 32 bits)

Instruction: BZHI R9D, R10D, R8D
Chain instructions: MOVSX R8, R9D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 5

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	4d 63 c1             	movsxd r8,r9d
   8:	4d 63 c0             	movsxd r8,r8d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 6.0
- Reference cycles: 4.29
- UOPS_EXECUTED.THREAD: 6.0

Latency operand 3 → 4: 1

Experiment 1

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVS R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 48 ff          	cmovs  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 6.98
- Reference cycles: 5.37
- UOPS_EXECUTED.THREAD: 7.0

Experiment 2

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVO R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 40 ff          	cmovo  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.07
- Reference cycles: 4.6
- UOPS_EXECUTED.THREAD: 7.0

Experiment 3

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVC R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 42 ff          	cmovb  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 6.98
- Reference cycles: 5.37
- UOPS_EXECUTED.THREAD: 7.0

Experiment 4

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVZ R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 44 ff          	cmove  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 6.98
- Reference cycles: 5.52
- UOPS_EXECUTED.THREAD: 7.0

Experiment 5 (with clean upper 32 bits)

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVS R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 48 ff          	cmovs  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 4.91
- UOPS_EXECUTED.THREAD: 7.0

Experiment 6 (with clean upper 32 bits)

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVO R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 40 ff          	cmovo  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.37
- UOPS_EXECUTED.THREAD: 7.0

Experiment 7 (with clean upper 32 bits)

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVC R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 42 ff          	cmovb  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.06
- UOPS_EXECUTED.THREAD: 7.0

Experiment 8 (with clean upper 32 bits)

Instruction: BZHI R9D, R10D, R8D
Chain instructions: CMOVZ R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 6

Code:

   0:	c4 42 38 f5 ca       	bzhi   r9d,r10d,r8d
   5:	45 0f 44 ff          	cmove  r15d,r15d
   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

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV R10D, R10D;

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 7.0
- Reference cycles: 5.21
- UOPS_EXECUTED.THREAD: 7.0

BZHI (R32, R32, R32) - Latency

Operands

Latency operand 2 → 1: 1

Latency operand 2 → 4: 1

Latency operand 3 → 1: 1

Latency operand 3 → 4: 1

Latency operand 2 → 1: 1

Experiment 1

Experiment 2

Experiment 3 (with clean upper 32 bits)

Experiment 4 (with clean upper 32 bits)

Latency operand 2 → 4: 1

Experiment 1

Experiment 2

Experiment 3

Experiment 4

Experiment 5 (with clean upper 32 bits)

Experiment 6 (with clean upper 32 bits)

Experiment 7 (with clean upper 32 bits)

Experiment 8 (with clean upper 32 bits)

Latency operand 3 → 1: 1

Experiment 1

Experiment 2

Experiment 3 (with clean upper 32 bits)

Experiment 4 (with clean upper 32 bits)

Latency operand 3 → 4: 1

Experiment 1

Experiment 2

Experiment 3

Experiment 4

Experiment 5 (with clean upper 32 bits)

Experiment 6 (with clean upper 32 bits)

Experiment 7 (with clean upper 32 bits)

Experiment 8 (with clean upper 32 bits)