pub unsafe fn _mm256_shldi_epi32<const IMM8: i32>(
    a: __m256i,
    b: __m256i
) -> __m256i
🔬This is a nightly-only experimental API. (stdsimd)
Available on x86-64 only.
Expand description

Concatenate packed 32-bit integers in a and b producing an intermediate 64-bit result. Shift the result left by imm8 bits, and store the upper 32-bits in dst.

Intel’s documentation