AMD-K6 Datasheet, PDF (91/346 Pages) Advanced Micro Devices – AMD-K6 Processor

20695H/0—March 1998
Preliminary Information
AMD-K6^® Processor Data Sheet
Table 12. MMX™ Instructions (continued)
Instruction Mnemonic
Prefix First ModR/M Decode
Byte(s) Byte Byte
Type
RISC86^®
Opcodes
Note
PADDD mmreg1, mmreg2
0Fh FEh 11-xxx-xxx short meu
PADDD mmreg, mem64
0Fh FEh mm-xxx-xxx short mload, meu
PADDSB mmreg1, mmreg2
0Fh ECh 11-xxx-xxx short meu
PADDSB mmreg, mem64
0Fh ECh mm-xxx-xxx short mload, meu
PADDSW mmreg1, mmreg2
0Fh EDh 11-xxx-xxx short meu
PADDSW mmreg, mem64
0Fh EDh mm-xxx-xxx short mload, meu
PADDUSB mmreg1, mmreg2
0Fh DCh 11-xxx-xxx short meu
PADDUSB mmreg, mem64
0Fh DCh mm-xxx-xxx short mload, meu
PADDUSW mmreg1, mmreg2
0Fh DDh 11-xxx-xxx short meu
PADDUSW mmreg, mem64
0Fh DDh mm-xxx-xxx short mload, meu
PADDW mmreg1, mmreg2
0Fh FDh 11-xxx-xxx short meu
PADDW mmreg, mem64
0Fh FDh mm-xxx-xxx short mload, meu
PAND mmreg1, mmreg2
0Fh DBh 11-xxx-xxx short meu
PAND mmreg, mem64
0Fh DBh mm-xxx-xxx short mload, meu
PANDN mmreg1, mmreg2
0Fh DFh 11-xxx-xxx short meu
PANDN mmreg, mem64
0Fh DFh mm-xxx-xxx short mload, meu
PCMPEQB mmreg1, mmreg2
0Fh 74h 11-xxx-xxx short meu
PCMPEQB mmreg, mem64
0Fh 74h mm-xxx-xxx short mload, meu
PCMPEQD mmreg1, mmreg2
0Fh 76h 11-xxx-xxx short meu
PCMPEQD mmreg, mem64
0Fh 76h mm-xxx-xxx short mload, meu
PCMPEQW mmreg1, mmreg2
0Fh 75h 11-xxx-xxx short meu
PCMPEQW mmreg, mem64
0Fh 75h mm-xxx-xxx short mload, meu
PCMPGTB mmreg1, mmreg2
0Fh 64h 11-xxx-xxx short meu
PCMPGTB mmreg, mem64
0Fh 64h mm-xxx-xxx short mload, meu
PCMPGTD mmreg1, mmreg2
0Fh 66h 11-xxx-xxx short meu
PCMPGTD mmreg, mem64
0Fh 66h mm-xxx-xxx short mload, meu
PCMPGTW mmreg1, mmreg2
0Fh 65h 11-xxx-xxx short meu
PCMPGTW mmreg, mem64
0Fh 65h mm-xxx-xxx short mload, meu
PMADDWD mmreg1, mmreg2
0Fh F5h 11-xxx-xxx short meu
PMADDWD mmreg, mem64
0Fh F5h mm-xxx-xxx short mload, meu
PMULHW mmreg1, mmreg2
0Fh E5h 11-xxx-xxx short meu
Note:
* Bits 2, 1, and 0 of the modR/M byte select the integer register.
Chapter 3
Software Environment
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