_mm_cvtsd_ss

Convert the lower double-precision (64-bit) floating-point element in b to a single-precision (32-bit) floating-point element, store that in the lower element of result, and copy the upper 3 packed elements from a to the upper elements of result.

nothrow @nogc pure @trusted
__m128
_mm_cvtsd_ss
(
__m128 a
,
__m128d b
)

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