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

B-94 Vol. 2B
INSTRUCTION FORMATS AND ENCODINGS
xmmreg to r64 0100 1R0B 1111 0010:0000 1111:0010
1100:11 r64 xmmreg
mem64 to r32 0100 0RXB 1111 0010:0000 1111:0010
1100: mod r32 r/m
mem64 to r64 0100 1RXB 1111 0010:0000 1111:0010
1100: mod r64 r/m
CVTTSS2SI—Convert with Truncation Scalar
Single-Precision Floating-Point Value to
Doubleword Integer
xmmreg to r32 0100 0R0B 1111 0011:0000 1111:0010
1100:11 r32 xmmreg1
xmmreg to r64 0100 1R0B 1111 0011:0000 1111:0010
1100:11 r64 xmmreg1
mem to r32 0100 0RXB 1111 0011:0000 1111:0010
1100: mod r32 r/m
mem32 to r64 0100 1RXB 1111 0011:0000 1111:0010
1100: mod r64 r/m
MOVD/MOVQ—Move doubleword
reg to mmxreg 0100 0R0B 0000 1111:0110 1110: 11
mmxreg reg
qwordreg to mmxreg 0100 1R0B 0000 1111:0110 1110: 11
mmxreg qwordreg
reg from mmxreg 0100 0R0B 0000 1111:0111 1110: 11
mmxreg reg
qwordreg from mmxreg 0100 1R0B 0000 1111:0111 1110: 11
mmxreg qwordreg
mem to mmxreg 0100 0RXB 0000 1111:0110 1110: mod
mmxreg r/m
mem64 to mmxreg 0100 1RXB 0000 1111:0110 1110: mod
mmxreg r/m
mem from mmxreg 0100 0RXB 0000 1111:0111 1110: mod
mmxreg r/m
mem64 from mmxreg 0100 1RXB 0000 1111:0111 1110: mod
mmxreg r/m
mmxreg with memory 0100 0RXB 0000 1111:0110 01gg: mod
mmxreg r/m
Table B-32. Special Case Instructions Promoted Using REX.W (Contd.)
Instruction and Format Encoding