Function _mm_cmplt_ss

pub unsafe fn _mm_cmplt_ss(a: __m128, b: __m128) -> __m128

Available on x86-64 only.

Compares the lowest f32 of both inputs for less than. The lowest 32 bits of the result will be 0xffffffff if a.extract(0) is less than b.extract(0), or 0 otherwise. The upper 96 bits of the result are the upper 96 bits of a.

Intel’s documentation