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

B-78 Vol. 2B
INSTRUCTION FORMATS AND ENCODINGS
mem from xmmreg 1111 0011:0000 1111:0111 1111: mod xmmreg r/m
MOVQ2DQ—Move Quadword from
MMX to XMM Register
mmreg to xmmreg 1111 0011:0000 1111:1101 0110:11 mmreg1
mmreg2
MOVDQ2Q—Move Quadword from
XMM to MMX Register
xmmreg to mmreg 1111 0010:0000 1111:1101 0110:11 mmreg1
mmreg2
MOVQ—Move Quadword
xmmreg2 to xmmreg1 1111 0011:0000 1111:0111 1110: 11 xmmreg1
xmmreg2
xmmreg2 from xmmreg1 0110 0110:0000 1111:1101 0110: 11 xmmreg1
xmmreg2
mem to xmmreg 1111 0011:0000 1111:0111 1110: mod xmmreg r/m
mem from xmmreg 0110 0110:0000 1111:1101 0110: mod xmmreg r/m
PACKSSDW
1
—Pack Dword To Word
Data (signed with saturation)
xmmreg2 to xmmreg1 0110 0110:0000 1111:0110 1011: 11 xmmreg1
xmmreg2
memory to xmmreg 0110 0110:0000 1111:0110 1011: mod xmmreg r/m
PACKSSWB—Pack Word To Byte Data
(signed with saturation)
xmmreg2 to xmmreg1 0110 0110:0000 1111:0110 0011: 11 xmmreg1
xmmreg2
memory to xmmreg 0110 0110:0000 1111:0110 0011: mod xmmreg r/m
PACKUSWB—Pack Word To Byte Data
(unsigned with saturation)
xmmreg2 to xmmreg1 0110 0110:0000 1111:0110 0111: 11 xmmreg1
xmmreg2
memory to xmmreg 0110 0110:0000 1111:0110 0111: mod xmmreg r/m
PADDQ—Add Packed Quadword
Integers
mmreg to mmreg 0000 1111:1101 0100:11 mmreg1 mmreg2
mem to mmreg 0000 1111:1101 0100: mod mmreg r/m
Table B-26. Formats and Encodings of SSE2 Integer Instructions (Contd.)
Instruction and Format Encoding