Function core_arch::x86::_mm256_setr_epi8

pub unsafe fn _mm256_setr_epi8(
    e00: i8, 
    e01: i8, 
    e02: i8, 
    e03: i8, 
    e04: i8, 
    e05: i8, 
    e06: i8, 
    e07: i8, 
    e08: i8, 
    e09: i8, 
    e10: i8, 
    e11: i8, 
    e12: i8, 
    e13: i8, 
    e14: i8, 
    e15: i8, 
    e16: i8, 
    e17: i8, 
    e18: i8, 
    e19: i8, 
    e20: i8, 
    e21: i8, 
    e22: i8, 
    e23: i8, 
    e24: i8, 
    e25: i8, 
    e26: i8, 
    e27: i8, 
    e28: i8, 
    e29: i8, 
    e30: i8, 
    e31: i8
) -> __m256i

This is supported on x86 and target feature avx only.

Sets packed 8-bit integers in returned vector with the supplied values in reverse order.

Intel's documentation