{{Stub}}

==x86 CPU Register==

{| {{Prettytable}}
! Bits  || Register
|-
| 8 || AL, BL, CL, DL, AH, BH, CH, DH
|-
| 16 || AX, BX, CX, DX, DI, SI, BP, SP, CS, DS, ES, FS, GS, SS
|-
| 32 || EAX, EBX, ECX, EDX, EDI, ESI, EBP, ESP, EIP, EFLAGS
|-
| 80 || 
|-
| 128 || XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7
|}

==x86-64 CPU Register==
===Allzweckregister===
{|

|
{| {{Prettytable}}
! colspan="8" align="center" | Bytes
|-
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="8" align="center" | R?X
|- 
| colspan="4" style="background:lightgrey" |  
| colspan="4" align="center" | E?X
|-
| colspan="6" style="background:lightgrey" | 
| colspan="2" align="center" | ?X
|-
| colspan="7" style="background:lightgrey" | 
| align="center" | ?L
|-
| colspan="8" style="background:lightgrey" align="center" | ? = A, B, C, D
|}

|
{| {{Prettytable}}
! colspan="8" align="center" | Bytes
|-
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="8" align="center" | R?
|- 
| colspan="4" style="background:lightgrey" |  
| colspan="4" align="center" | R?D
|-
| colspan="6" style="background:lightgrey" | 
| colspan="2" align="center" | R?W
|-
| colspan="7" style="background:lightgrey" |
| align="center" | R?L
|-
| colspan="8" style="background:lightgrey" align="center" | ? = 8, 9, 10, 11, 12, 13, 14, 15
|}

|}

===Indexregister===
{| {{Prettytable}}
! colspan="8" align="center" | Bytes
|-
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="8" align="center" | R?I
|- 
| colspan="4" style="background:lightgrey" |  
| colspan="4" align="center" | E?I
|-
| colspan="6" style="background:lightgrey" | 
| colspan="2" align="center" | ?I
|-
| colspan="7" style="background:lightgrey" |
| align="center" | ?IL
|-
| colspan="8" style="background:lightgrey" align="center" | ? = D, S
|}

===Zeigerregister===
{| {{Prettytable}}
! colspan="8" align="center" | Bytes
|-
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="8" align="center" | R?P
|- 
| colspan="4" style="background:lightgrey" |  
| colspan="4" align="center" | E?P
|-
| colspan="6" style="background:lightgrey" | 
| colspan="2" align="center" | ?P
|-
| colspan="7" style="background:lightgrey" |
| align="center" | ?PL
|-
| colspan="8" style="background:lightgrey" align="center" | ? = B, S
|}

===Instruktionsregister===
{| {{Prettytable}}
! colspan="8" align="center" | Bytes
|-
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="8" align="center" | RIP
|- 
| colspan="4" style="background:lightgrey" |  
| colspan="4" align="center" | EIP
|-
| colspan="6" style="background:lightgrey" | 
| colspan="2" align="center" | IP
|}

===Flagregister===
{| {{Prettytable}}
! colspan="8" align="center" | Bytes
|-
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="8" align="center" | RFLAGS
|- 
| colspan="4" style="background:lightgrey" |  
| colspan="4" align="center" | EFLAGS
|}

===Segmentregister===
{| {{Prettytable}}
! colspan="2" align="center" | Bytes
|-
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="2" align="center" | ?S
|-
| colspan="2" style="background:lightgrey" align="center" | ? = C, D, E, F, G, S
|}

===SSE-Register===
{| {{Prettytable}}
! colspan="16" align="center" | Bytes
|-
! width="30pt" | 15
! width="30pt" | 14
! width="30pt" | 13
! width="30pt" | 12
! width="30pt" | 11
! width="30pt" | 10
! width="30pt" | 9
! width="30pt" | 8
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="16" align="center" | XMM?
|-
| colspan="16" style="background:lightgrey" align="center" | ? = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
|}

===Floatingpointregister===
{| {{Prettytable}}
! colspan="10" align="center" | Bytes
|-
! width="30pt" | 9
! width="30pt" | 8
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="10" align="center" | ST?
|-
| colspan="10" style="background:lightgrey" align="center" | ? = 0, 1, 2, 3, 4, 5, 6, 7
|}

{| {{Prettytable}}
! colspan="16" align="center" | Bits
|-
! width="30pt" | 15
! width="30pt" | 14
! width="30pt" | 13
! width="30pt" | 12
! width="30pt" | 11
! width="30pt" | 10
! width="30pt" | 9
! width="30pt" | 8
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="16" align="center" | Control Register
|}


{| {{Prettytable}}
! colspan="16" align="center" | Bits
|-
! width="30pt" | 15
! width="30pt" | 14
! width="30pt" | 13
! width="30pt" | 12
! width="30pt" | 11
! width="30pt" | 10
! width="30pt" | 9
! width="30pt" | 8
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="16" align="center" | Status Register
|}


{| {{Prettytable}}
! colspan="16" align="center" | Bits
|-
! width="30pt" | 15
! width="30pt" | 14
! width="30pt" | 13
! width="30pt" | 12
! width="30pt" | 11
! width="30pt" | 10
! width="30pt" | 9
! width="30pt" | 8
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="16" align="center" | Tag Register
|}

{| {{Prettytable}}
! colspan="10" align="center" | Bits
|-
! width="30pt" | 9
! width="30pt" | 8
! width="30pt" | 7
! width="30pt" | 6
! width="30pt" | 5
! width="30pt" | 4
! width="30pt" | 3
! width="30pt" | 2
! width="30pt" | 1
! width="30pt" | 0
|-
| colspan="10" align="center" | FOP
|}