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Microsoft Specific
Subtracts the lower double-precision, floating-point value of b from a.
__m128d _mm_sub_sd(__m128d a, __m128d b);
SUBSD
Return Value
The upper double-precision, floating-point value is passed through from a.
r0 := a0 - b0
r1 := a1
Requirements
Header: emmintrin.h
END Microsoft Specific