3-701
INSTRUCTION SET REFERENCE
UNPCKLPS—Unpack Low Packed Single-FP Data
Description
The UNPCKLPS instruction performs an interleaved unpack of the low-order data elements of
XMM1 and XMM2/Mem. It ignores the upper half part of the sources.
Example 3-3. UNPCKLPS Instruction
Opcode
Instruction
Description
0F,14,/r
UNPCKLPS xmm1,
xmm2/m128
Interleaves SP FP numbers from the low halves of
XMM1 and XMM2/Mem into XMM1 register.
X4
X3
X2
X1
Y4
Y3
Y2
Y1
Y2
X2
Y1
X1
xmm1
xmm2/m128
xmm1