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664 AMD Geode™ LX Processors Data Book
Instruction Set
33234H
PSHUFW Packed Shuffle Word
MMX Register1, MMX Register2,
imm8
0F70 [11 mm1 mm2]
#
MMX reg 1 [word] <--- MMX reg 2 [windexall (imm8)] 2
MMX Register, Memory64, imm8 0F70 [mod mm r/m]
#
MMX reg [word] <--- Memory64 [windexall (imm8)] 2
PSLLD Packed Shift Left Logical Dword
MMX Register 1 by MMX Register 2 0FF2 [11 mm1
mm2]
MMX reg 1 [dword] <--- MMX reg 1 [dword] shift left by MMX
reg 2 [dword], shifting in zeroes
2
MMX Register by Memory 0FF2 [mod mm r/m] MMX reg [dword] <--- MMX reg [dword] shift left by
memory [dword], shifting in zeroes
2
MMX Register by immediate 0F72 [11 110 mm] # MMX reg [dword] <--- MMX reg [dword] shift left by [im byte],
shifting in zeroes
2
PSLLQ Packed Shift Left Logical Qword
MMX Register 1 by MMX Register 2 0FF3 [11 mm1
mm2]
MMX reg 1 [qword] <--- MMX reg 1 [qword] shift left by MMX
reg 2 [qword], shifting in zeroes
2
MMX Register by Memory 0FF3 [mod mm r/m] MMX reg [qword] <--- MMX reg [qword] shift left by memory
[qword], shifting in zeroes
2
MMX Register by immediate 0F73 [11 110 mm] # MMX reg [qword] <--- MMX reg [qword]shift left by [im byte],
shifting in zeroes
2
PSLLW Packed Shift Left Logical Word
MMX Register 1 by MMX Register 2 0FF1 [11 mm1
mm2]
MMX reg 1 [word] <--- MMX reg 1 [word] shift left by MMX reg
2 [word], shifting in zeroes
2
MMX Register by Memory 0FF1 [mod mm r/m] MMX reg [word] <--- MMX reg [word] shift left by memory
[word], shifting in zeroes
2
MMX Register by immediate 0F71 [11 110mm] # MMX reg [word] <--- MMX reg [word] shift left by [im byte],
shifting in zeroes
2
PSRAD Packed Shift Right Arithmetic Dword
MMX Register 1 by MMX Register 2 0FE2 [11 mm1
mm2]
MMX reg 1 [dword] <--- MMX reg 1 [dword] shift right by MMX
reg 2 [dword], shifting in sign bits
2
MMX Register by Memory 0FE2 [mod mm r/m] MMX reg [dword] <--- MMX reg [dword] shift right by memory
[dword], shifting in sign bits
2
MMX Register by immediate 0F72 [11 100 mm] # MMX reg [dword] <--- MMX reg [dword] shift right by [im byte],
shifting in sign bits
2
PSRAW Packed Shift Right Arithmetic Word
MMX Register 1 by MMX Register 2 0FE1 [11 mm1
mm2]
MMX reg 1 [word] <--- MMX reg 1 [word] shift right by MMX
reg 2 [word], shifting in sign bits
2
MMX Register by Memory 0FE1 [mod mm r/m] MMX reg [word] <--- MMX reg [word] shift right by memory
[word], shifting in sign bits
2
MMX Register by immediate 0F71 [11 100 mm] # MMX reg [word] <--- MMX reg [word] shift right by [im byte],
shifting in sign bits
2
PSRLD Packed Shift Right Logical Dword
MMX Register 1 by MMX Register 2 0FD2 [11 mm1
mm2]
MMX reg 1 [dword] <--- MMX reg 1 [dword] shift right by MMX
reg 2 [dword], shifting in zeroes
2
MMX Register by Memory 0FD2 [mod mm r/m] MMX reg [dword] <--- MMX reg [dword] shift right by mem-
ory[dword], shifting in zeroes
2
MMX Register by immediate 0F72 [11 010 mm] # MMX reg [dword] <--- MMX reg [dword]shift right by [im byte],
shifting in zeroes
2
PSRLQ Packed Shift Right Logical Qword
MMX Register 1 by MMX Register 2 0FD3 [11 mm1
mm2]
MMX reg 1 [qword] <--- MMX reg 1 [qword] shift right by MMX
reg 2 [qword], shifting in zeroes
3
MMX Register by Memory 0FD3 [mod mm r/m] MMX reg [qword] <--- MMX reg [qword] shift right by memory
[qword], shifting in zeroes
3
MMX Register by immediate 0F73 [11 010 mm] # MMX reg [qword] <--- MMX reg [qword] shift right by [im byte],
shifting in zeroes
3
PSRLW Packed Shift Right Logical Word
MMX Register 1 by MMX Register 2 0FD1 [11 mm1
mm2]
MMX reg 1 [word] <--- MMX reg 1 [word] shift right by MMX
reg 2 [word], shifting in zeroes
2
MMX Register by Memory 0FD1 [mod mm r/m] MMX reg [word] <--- MMX reg [word] shift right by memory
[word], shifting in zeroes
2
MMX Register by immediate 0F71 [11 010 mm] # MMX reg [word] <--- MMX reg [word] shift right by imm [word],
shifting in zeroes
2
Table 8-28. MMX™ Instruction Set (Continued)
MMX™ Instructions Opcode Operation Clock Ct Notes