AMD-K6 Datasheet, PDF (75/346 Pages) Advanced Micro Devices – AMD-K6 Processor

20695H/0—March 1998
Preliminary Information
AMD-K6^® Processor Data Sheet
Table 10. Integer Instructions (continued)
Instruction Mnemonic
LAHF
LAR reg16/32, mreg16/32
LAR reg16/32, mem16/32
LDS reg16/32, mem32/48
LEA reg16/32, mem16/32
LEAVE
LES reg16/32, mem32/48
LFS reg16/32, mem32/48
LGDT mem48
LGS reg16/32, mem32/48
LIDT mem48
LLDT mreg16
LLDT mem16
LMSW mreg16
LMSW mem16
LODSB AL, mem8
LODSW AX, mem16
LODSD EAX, mem32
LOOP disp8
LOOPE/LOOPZ disp8
LOOPNE/LOOPNZ disp8
LSL reg16/32, mreg16/32
LSL reg16/32, mem16/32
LSS reg16/32, mem32/48
LTR mreg16
LTR mem16
MOV mreg8, reg8
MOV mem8, reg8
MOV mreg16/32, reg16/32
MOV mem16/32, reg16/32
MOV reg8, mreg8
MOV reg8, mem8
MOV reg16/32, mreg16/32
First Second ModR/M Decode
Byte Byte
Byte
Type
RISC86^®
Opcodes
9Fh
vector
0Fh 02h 11-xxx-xxx vector
0Fh 02h mm-xxx-xxx vector
C5h
mm-xxx-xxx vector
8Dh
mm-xxx-xxx short load, alu
C9h
long load, alu, alu
C4h
mm-xxx-xxx vector
0Fh B4h
vector
0Fh 01h mm-010-xxx vector
0Fh B5h
vector
0Fh 01h mm-011-xxx vector
0Fh 00h 11-010-xxx vector
0Fh 00h mm-010-xxx vector
0Fh 01h 11-100-xxx vector
0Fh 01h mm-100-xxx vector
ACh
long load, alux
ADh
long load, alu
ADh
long load, alu
E2h
short alu, branch
E1h
vector
E0h
vector
0Fh 03h 11-xxx-xxx vector
0Fh 03h mm-xxx-xxx vector
0Fh B2h mm-xxx-xxx vector
0Fh 00h 11-011-xxx vector
0Fh 00h mm-011-xxx vector
88h
11-xxx-xxx short alux
88h
mm-xxx-xxx short store
89h
11-xxx-xxx short alu
89h
mm-xxx-xxx short store
8Ah
11-xxx-xxx short alux
8Ah
mm-xxx-xxx short load
8Bh
11-xxx-xxx short alu
Chapter 3
Software Environment
57