Function core::arch::x86_64::_mm256_subs_epi8

pub unsafe fn _mm256_subs_epi8(a: __m256i, b: __m256i) -> __m256i

This is supported on x86-64 and target feature avx2 only.

Subtract packed 8-bit integers in b from packed 8-bit integers in a using saturation.

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