3-702
INSTRUCTION SET REFERENCE
UNPCKLPS—Unpack Low Packed Single-FP Data (Continued)
Figure 3-100. Operation of the UNPCKLPS Instruction
Operation
DEST[31-0] = DEST[31-0];
DEST[63-32] = SRC/m128[31-0];
DEST[95-64] = DEST[63-32];
DEST[127-96] = SRC/m128[63-32];
Intel C/C++ Compiler Intrinsic Equivalent
__m128 _mm_unpacklo_ps(__m128 a, __m128 b)
Selects and interleaves the lower two SP FP values from a and b.
Exceptions
General protection exception if not aligned on 16-byte boundary, regardless of segment.
Numeric Exceptions
None.
Xmm1
Xmm2/
m128
Xmm1
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=
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