Microsoft Specific
Selects and interleaves the upper two single-precision, floating-point values from a and b.
__m128 _mm_unpackhi_ps(__m128 a , __m128 b ); UNPCKHPS
r0 := a2 r1 := b2 r2 := a3 r3 := b3
Header: mmintrin.h
END Microsoft Specific