Intel 64 and IA-32 Architectures Software Developers Manual Volume 2B, Instruction Set Reference, N-Z

B-56 Vol. 2B
INSTRUCTION FORMATS AND ENCODINGS
memory to mmxreg 0000 1111:0110 0111: mod mmxreg r/m
PADD – Add with wrap-around
mmxreg2 to mmxreg1 0000 1111: 1111 11gg: 11 mmxreg1 mmxreg2
memory to mmxreg 0000 1111: 1111 11gg: mod mmxreg r/m
PADDS – Add signed with saturation
mmxreg2 to mmxreg1 0000 1111: 1110 11gg: 11 mmxreg1 mmxreg2
memory to mmxreg 0000 1111: 1110 11gg: mod mmxreg r/m
PADDUS – Add unsigned with saturation
mmxreg2 to mmxreg1 0000 1111: 1101 11gg: 11 mmxreg1 mmxreg2
memory to mmxreg 0000 1111: 1101 11gg: mod mmxreg r/m
PAND – Bitwise And
mmxreg2 to mmxreg1 0000 1111:1101 1011: 11 mmxreg1 mmxreg2
memory to mmxreg 0000 1111:1101 1011: mod mmxreg r/m
PANDN – Bitwise AndNot
mmxreg2 to mmxreg1 0000 1111:1101 1111: 11 mmxreg1 mmxreg2
memory to mmxreg 0000 1111:1101 1111: mod mmxreg r/m
PCMPEQ – Packed compare for equality
mmxreg1 with mmxreg2 0000 1111:0111 01gg: 11 mmxreg1 mmxreg2
mmxreg with memory 0000 1111:0111 01gg: mod mmxreg r/m
PCMPGT – Packed compare greater
(signed)
mmxreg1 with mmxreg2 0000 1111:0110 01gg: 11 mmxreg1 mmxreg2
mmxreg with memory 0000 1111:0110 01gg: mod mmxreg r/m
PMADDWD – Packed multiply add
mmxreg2 to mmxreg1 0000 1111:1111 0101: 11 mmxreg1 mmxreg2
memory to mmxreg 0000 1111:1111 0101: mod mmxreg r/m
PMULHUW – Packed multiplication, store
high word (unsigned)
mmxreg2 to mmxreg1 0000 1111: 1110 0100: 11 mmxreg1 mmxreg2
memory to mmxreg 0000 1111: 1110 0100: mod mmxreg r/m
Table B-19. MMX Instruction Formats and Encodings (Contd.)
Instruction and Format Encoding