AMD-K6-2E Datasheet, PDF (91/332 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
SUB mem16/32, imm16/32
81h
SUB mreg16/32, imm8 (signed ext.)
83h
SUB mem16/32, imm8 (signed ext.)
83h
SYSCALL
0Fh
SYSRET
0Fh
TEST mreg8, reg8
84h
TEST mem8, reg8
84h
TEST mreg16/32, reg16/32
85h
TEST mem16/32, reg16/32
85h
TEST AL, imm8
A8h
TEST EAX, imm16/32
A9h
TEST mreg8, imm8
F6h
TEST mem8, imm8
F6h
TEST mreg16/32, imm16/32
F7h
TEST mem16/32, imm16/32
F7h
VERR mreg16
0Fh
VERR mem16
0Fh
VERW mreg16
0Fh
VERW mem16
0Fh
WAIT
9Bh
WBINVD
0Fh
XADD mreg8, reg8
0Fh
XADD mem8, reg8
0Fh
XADD mreg16/32, reg16/32
0Fh
XADD mem16/32, reg16/32
0Fh
XCHG reg8, mreg8
86h
XCHG reg8, mem8
86h
XCHG reg16/32, mreg16/32
87h
XCHG reg16/32, mem16/32
87h
XCHG EAX, EAX
90h
XCHG EAX, ECX
91h
XCHG EAX, EDX
92h
XCHG EAX, EBX
93h
XCHG EAX, ESP
94h
XCHG EAX, EBP
95h
Second
Byte
05h
07h
00h
00h
00h
00h
09h
C0h
C0h
C1h
C1h
ModR/M
Byte
mm-101-xxx
11-101-xxx
mm-101-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-000-xxx
mm-000-xxx
11-000-xxx
mm-000-xxx
11-100-xxx
mm-100-xxx
11-101-xxx
mm-101-xxx
11-100-xxx
mm-100-xxx
11-101-xxx
mm-101-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
Decode RISC86
Type Operations
long load, alu, store
short alux
long load, alux, store
vector
vector
short alux
vector
short alu
vector
long alux
long alu
long alux
long load, alux
long alu
long load, alu
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
vector
short limm
long alu, alu, alu
long alu, alu, alu
long alu, alu, alu
long alu, alu, alu
long alu, alu, alu
Chapter 3
Software Environment
73