arch:: x86_64:: _mm_floor_ss
pub unsafe fn _mm_floor_ss(a: __m128, b: __m128) -> __m128
Round the lower single-precision (32-bit) floating-point element in
down to an integer value, store the result as a single-precision
floating-point element in the lower element of the intrinsic result,
and copies the upper 3 packed elements from
a to the upper elements
of the intrinsic result.