ADC (RAX, I32)

Experiment 1

Instruction: ADC RAX, 16777216
Chain instructions: MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 5

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 7.0
- Reference cycles: 4.6
- UOPS_EXECUTED.THREAD: 7.0

Experiment 2

Instruction: ADC RAX, 16777216

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 2.0
- Reference cycles: 1.84
- UOPS_EXECUTED.THREAD: 2.04

Experiment 3 (with dependency-breaking instructions)

Instruction: ADC RAX, 16777216
Chain instruction: TEST R15, R15

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	4d 85 ff             	test   r15,r15

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 2.0
- Reference cycles: 0.92
- UOPS_EXECUTED.THREAD: 3.0

Latency operand 1 → 3: 2

Experiment 1

Instruction: ADC RAX, 16777216
Chain instructions: CMOVS R15, R15;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 6

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	4d 0f 48 ff          	cmovs  r15,r15
   a:	49 63 c7             	movsxd rax,r15d
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 6.13
- UOPS_EXECUTED.THREAD: 8.0

Experiment 2

Instruction: ADC RAX, 16777216
Chain instructions: CMOVO R15, R15;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 6

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	4d 0f 40 ff          	cmovo  r15,r15
   a:	49 63 c7             	movsxd rax,r15d
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 4.6
- UOPS_EXECUTED.THREAD: 8.0

Experiment 3

Instruction: ADC RAX, 16777216
Chain instructions: CMOVZ R15, R15;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 6

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	4d 0f 44 ff          	cmove  r15,r15
   a:	49 63 c7             	movsxd rax,r15d
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 5.83
- UOPS_EXECUTED.THREAD: 8.0

Experiment 4

Instruction: ADC RAX, 16777216
Chain instructions: CMOVC R15, R15;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 6

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	4d 0f 42 ff          	cmovb  r15,r15
   a:	49 63 c7             	movsxd rax,r15d
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 5.52
- UOPS_EXECUTED.THREAD: 8.0

Experiment 5

Instruction: ADC RAX, 16777216
Chain instructions: CMOVP R15, R15;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 6

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	4d 0f 4a ff          	cmovp  r15,r15
   a:	49 63 c7             	movsxd rax,r15d
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 8.0
- Reference cycles: 5.52
- UOPS_EXECUTED.THREAD: 8.0

Latency operand 3 → 1: 1

Experiment 1

Instruction: ADC RAX, 16777216
Chain instructions: MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;TEST RAX, RAX
Chain latency: 5

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 85 c0             	test   rax,rax

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 6.13
- Reference cycles: 4.45
- UOPS_EXECUTED.THREAD: 7.0

Experiment 2

Instruction: ADC RAX, 16777216
Chain instruction: TEST RAX, RAX
Chain latency: 1

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	48 85 c0             	test   rax,rax

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 2.01
- Reference cycles: 0.92
- UOPS_EXECUTED.THREAD: 3.0

Experiment 3 (with dependency-breaking instructions)

Instruction: ADC RAX, 16777216
Chain instructions: TEST RAX, RAX;;MOV RAX, 0
Chain latency: 1

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	48 85 c0             	test   rax,rax
   9:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 2.0
- Reference cycles: 1.84
- UOPS_EXECUTED.THREAD: 4.0

Latency operand 3 → 3: 1

Experiment 1

Instruction: ADC RAX, 16777216
Chain instructions: CMC;CMC;CMC;CMC
Chain latency: 4

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	f5                   	cmc    
   7:	f5                   	cmc    
   8:	f5                   	cmc    
   9:	f5                   	cmc

Show nanoBench command
Results:
- Instructions retired: 5.0
- Core cycles: 5.0
- Reference cycles: 3.37
- UOPS_EXECUTED.THREAD: 6.0

Experiment 2

Instruction: ADC RAX, 16777216

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 2.0
- Reference cycles: 1.69
- UOPS_EXECUTED.THREAD: 2.04

Experiment 3 (with dependency-breaking instructions)

Instruction: ADC RAX, 16777216
Chain instruction: MOV RAX, 0

Code:

   0:	48 15 00 00 00 01    	adc    rax,0x1000000
   6:	48 c7 c0 00 00 00 00 	mov    rax,0x0

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 1.0
- Reference cycles: 0.77
- UOPS_EXECUTED.THREAD: 3.0

ADC (RAX, I32) - Latency

Operands

Latency operand 1 → 1: 2

Latency operand 1 → 3: 2

Latency operand 3 → 1: 1

Latency operand 3 → 3: 1

Latency operand 1 → 1: 2

Experiment 1

Experiment 2

Experiment 3 (with dependency-breaking instructions)

Latency operand 1 → 3: 2

Experiment 1

Experiment 2

Experiment 3

Experiment 4

Experiment 5

Latency operand 3 → 1: 1

Experiment 1

Experiment 2

Experiment 3 (with dependency-breaking instructions)

Latency operand 3 → 3: 1

Experiment 1

Experiment 2

Experiment 3 (with dependency-breaking instructions)