AMD-K6-2E Datasheet, PDF (79/332 Pages) Advanced Micro Devices – AMD-K6™-2E Embedded Processor

22529B/0—January 2000
Preliminary Information
AMD-K6™-2E Processor Data Sheet
Table 12. Integer Instructions (continued)
Instruction Mnemonic
First
Byte
CMPXCHG mreg16/32, reg16/32
0Fh
CMPXCHG mem16/32, reg16/32
0Fh
CMPXCHG8B EDX:EAX
0Fh
CMPXCHG8B mem64
0Fh
CPUID
0Fh
CWD/CDQ EDX, EAX
99h
DAA
27h
DAS
2Fh
DEC EAX
48h
DEC ECX
49h
DEC EDX
4Ah
DEC EBX
4Bh
DEC ESP
4Ch
DEC EBP
4Dh
DEC ESI
4Eh
DEC EDI
4Fh
DEC mreg8
FEh
DEC mem8
FEh
DEC mreg16/32
FFh
DEC mem16/32
FFh
DIV AL, mreg8
F6h
DIV AL, mem8
F6h
DIV EAX, mreg16/32
F7h
DIV EAX, mem16/32
F7h
IDIV mreg8
F6h
IDIV mem8
F6h
IDIV EAX, mreg16/32
F7h
IDIV EAX, mem16/32
F7h
IMUL reg16/32, imm16/32
69h
IMUL reg16/32, mreg16/32, imm16/32
69h
IMUL reg16/32, mem16/32, imm16/32
69h
IMUL reg16/32, imm8 (sign extended)
6Bh
IMUL reg16/32, mreg16/32, imm8 (signed)
6Bh
IMUL reg16/32, mem16/32, imm8 (signed)
6Bh
IMUL AX, AL, mreg8
F6h
Second
Byte
B1h
B1h
C7h
C7h
A2h
ModR/M
Byte
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-001-xxx
mm-001-xxx
11-001-xxx
mm-001-xxx
11-110-xxx
mm-110-xxx
11-110-xxx
mm-110-xxx
11-111-xxx
mm-111-xxx
11-111-xxx
mm-111-xxx
11-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-101-xxx
Decode RISC86
Type Operations
vector
vector
vector
vector
vector
vector
vector
vector
short alu
short alu
short alu
short alu
short alu
short alu
short alu
short alu
vector
long load, alux, store
vector
long load, alu, store
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
Chapter 3
Software Environment
61