3-698
INSTRUCTION SET REFERENCE
UNPCKHPS—Unpack High Packed Single-FP Data
Description
The UNPCKHPS instruction performs an interleaved unpack of the high-order data elements of
XMM1 and XMM2/Mem. It ignores the lower half of the sources.
Example 3-2. UNPCKHPS Instruction
Opcode
Instruction
Description
0F,15,/r
UNPCKHPS xmm1,
xmm2/m128
Interleaves SP FP numbers from the high halves of
XMM1 and XMM2/Mem into XMM1 register.
X4
X3
X2
X1
Y4
Y3
Y2
Y1
Y4
X4
Y3
X3
xmm1
xmm2/m128
xmm1
