AMD-K6-2E/400AFR AMD [Advanced Micro Devices], AMD-K6-2E/400AFR Datasheet - Page 96

• Manufacturer Part Number: AMD-K6-2E/400AFR
• Manufacturer: AMD [Advanced Micro Devices]

AMD-K6™-2E Processor Data Sheet
Table 13. Floating-Point Instructions (continued)
Notes:
1. The last three bits of the modR/M byte select the stack entry ST(i).
Table 14. MMX™ Instructions
78
Instruction Mnemonic
FSUBRP ST(i), ST(0)
FTST
FUCOM
FUCOMP
FUCOMPP
FXAM
FXCH
FXTRACT
FYL2X
FYL2XP1
FWAIT
Instruction Mnemonic
EMMS
MOVD mmreg, mreg32
MOVD mmreg, mem32
MOVD mreg32, mmreg
MOVD mem32, mmreg
MOVQ mmreg1, mmreg2
MOVQ mmreg, mem64
MOVQ mmreg2, mmreg1
MOVQ mem64, mmreg
PACKSSDW mmreg1, mmreg2
PACKSSDW mmreg, mem64
PACKSSWB mmreg1, mmreg2
PACKSSWB mmreg, mem64
PACKUSWB mmreg1, mmreg2
PACKUSWB mmreg, mem64
PADDB mmreg1, mmreg2
PADDB mmreg, mem64
1
1
1
Preliminary Information
Byte(s)
Software Environment
Byte
First
Prefix
DDh
DDh
DAh
D9h
D9h
DEh
D9h
D9h
D9h
D9h
9Bh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
0Fh
Second
Byte
E4h
E9h
E5h
F4h
F1h
F9h
Byte
First
77h
6Eh
6Eh
7Eh
7Eh
6Fh
6Fh
7Fh
7Fh
6Bh
6Bh
63h
63h
67h
67h
FCh
FCh
mm-xxx-xxx
mm-xxx-xxx
mm-xxx-xxx
mm-xxx-xxx
mm-xxx-xxx
mm-xxx-xxx
mm-xxx-xxx
mm-xxx-xxx
ModR/M
11-100-xxx
11-100-xxx
11-001-xxx
ModR/M
11-101-xxx
11-xxx-xxx
11-xxx-xxx
11-xxx-xxx
11-xxx-xxx
11-xxx-xxx
11-xxx-xxx
11-xxx-xxx
11-xxx-xxx
Byte
Byte
Decode
Decode
vector
vector
vector
Type
Type
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
RISC86
Operations
float
float
float
float
float
float
float
float
float
RISC86
Operations
meu
mload
mstore, load
mstore
meu
mload
meu
mstore
meu
mload, meu
meu
mload, meu
meu
mload, meu
mload, meu
meu
22529B/0—January 2000
Chapter 3