ADC (AL, 0) - Port Usage

With blocking instructions for ports {'0', '1'}:

Code:

   0:	45 8d 06             	lea    r8d,[r14]
   3:	45 8d 0e             	lea    r9d,[r14]
   6:	45 8d 16             	lea    r10d,[r14]
   9:	45 8d 1e             	lea    r11d,[r14]
   c:	45 8d 26             	lea    r12d,[r14]
   f:	41 8d 1e             	lea    ebx,[r14]
  12:	41 8d 0e             	lea    ecx,[r14]
  15:	41 8d 16             	lea    edx,[r14]
  18:	45 8d 06             	lea    r8d,[r14]
  1b:	45 8d 0e             	lea    r9d,[r14]
  1e:	14 00                	adc    al,0x0

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.07
- Reference cycles: 4.99
- UOPS_PORT_1: 4.98
- UOPS_PORT_0: 5.02

With blocking instructions for ports {'0', '5'}:

Code:

   0:	66 41 c1 f8 00       	sar    r8w,0x0
   5:	66 41 c1 f9 00       	sar    r9w,0x0
   a:	66 41 c1 fa 00       	sar    r10w,0x0
   f:	66 41 c1 fb 00       	sar    r11w,0x0
  14:	66 41 c1 fc 00       	sar    r12w,0x0
  19:	66 c1 fb 00          	sar    bx,0x0
  1d:	66 c1 f9 00          	sar    cx,0x0
  21:	66 c1 fa 00          	sar    dx,0x0
  25:	66 41 c1 f8 00       	sar    r8w,0x0
  2a:	66 41 c1 f9 00       	sar    r9w,0x0
  2f:	14 00                	adc    al,0x0

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.57
- Reference cycles: 5.67
- UOPS_PORT_5: 5.48
- UOPS_PORT_0: 5.53

⇨ One μop that can only use ports {'0', '5'}

With blocking instructions for ports {'1', '5'}:

Code:

   0:	0f 38 1c c1          	pabsb  mm0,mm1
   4:	0f 38 1c d1          	pabsb  mm2,mm1
   8:	0f 38 1c d9          	pabsb  mm3,mm1
   c:	0f 38 1c e1          	pabsb  mm4,mm1
  10:	0f 38 1c e9          	pabsb  mm5,mm1
  14:	0f 38 1c f1          	pabsb  mm6,mm1
  18:	0f 38 1c f9          	pabsb  mm7,mm1
  1c:	0f 38 1c c1          	pabsb  mm0,mm1
  20:	0f 38 1c d1          	pabsb  mm2,mm1
  24:	0f 38 1c d9          	pabsb  mm3,mm1
  28:	14 00                	adc    al,0x0

Init:
```
VZEROALL;
PXOR MM1, MM1
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.06
- Reference cycles: 4.99
- UOPS_PORT_5: 4.99
- UOPS_PORT_1: 5.0

With blocking instructions for ports {'0', '1', '5'}:

Code:

   0:	41 b0 00             	mov    r8b,0x0
   3:	41 b1 00             	mov    r9b,0x0
   6:	41 b2 00             	mov    r10b,0x0
   9:	41 b3 00             	mov    r11b,0x0
   c:	41 b4 00             	mov    r12b,0x0
   f:	b3 00                	mov    bl,0x0
  11:	b1 00                	mov    cl,0x0
  13:	b2 00                	mov    dl,0x0
  15:	41 b0 00             	mov    r8b,0x0
  18:	41 b1 00             	mov    r9b,0x0
  1b:	41 b2 00             	mov    r10b,0x0
  1e:	41 b3 00             	mov    r11b,0x0
  21:	14 00                	adc    al,0x0

Show nanoBench command
Results:
- Instructions retired: 13.0
- Core cycles: 4.75
- Reference cycles: 4.85
- UOPS_PORT_5: 4.66
- UOPS_PORT_1: 4.65
- UOPS_PORT_0: 4.69

⇨ One μop that can only use ports {'0', '1', '5'}