AMD-K6 Datasheet, PDF (72/346 Pages) Advanced Micro Devices – AMD-K6 Processor

AMD-K6^® Processor Data Sheet
Preliminary Information
20695H/0—March 1998
Table 10. Integer Instructions (continued)
Instruction Mnemonic
First Second ModR/M Decode
Byte Byte
Byte
Type
RISC86^®
Opcodes
CMPSD mem32, mem32
A7h
vector
CMPXCHG mreg8, reg8
0Fh B0h 11-xxx-xxx vector
CMPXCHG mem8, reg8
0Fh B0h mm-xxx-xxx vector
CMPXCHG mreg16/32, reg16/32
0Fh B1h 11-xxx-xxx vector
CMPXCHG mem16/32, reg16/32
0Fh B1h mm-xxx-xxx vector
CMPXCH8B EDX:EAX
0Fh C7h 11-xxx-xxx vector
CMPXCH8B mem64
0Fh C7h mm-xxx-xxx vector
CPUID
0Fh A2h
vector
CWD/CDQ EDX, EAX
99h
vector
DAA
27h
vector
DAS
2Fh
vector
DEC EAX
48h
short alu
DEC ECX
49h
short alu
DEC EDX
4Ah
short alu
DEC EBX
4Bh
short alu
DEC ESP
4Ch
short alu
DEC EBP
4Dh
short alu
DEC ESI
4Eh
short alu
DEC EDI
4Fh
short alu
DEC mreg8
FEh
11-001-xxx vector
DEC mem8
FEh
mm-001-xxx long load, alux, store
DEC mreg16/32
FFh
11-001-xxx vector
DEC mem16/32
FFh
mm-001-xxx long load, alu, store
DIV AL, mreg8
F6h
11-110-xxx vector
DIV AL, mem8
F6h
mm-110-xxx vector
DIV EAX, mreg16/32
F7h
11-110-xxx vector
DIV EAX, mem16/32
F7h
mm-110-xxx vector
IDIV mreg8
F6h
11-111-xxx vector
IDIV mem8
F6h
mm-111-xxx vector
IDIV EAX, mreg16/32
F7h
11-111-xxx vector
IDIV EAX, mem16/32
F7h
mm-111-xxx vector
IMUL reg16/32, imm16/32
69h
11-xxx-xxx vector
IMUL reg16/32, mreg16/32, imm16/32 69h
11-xxx-xxx vector
54
Software Environment
Chapter 3