pub unsafe fn _mm_maskz_shldi_epi16(
    k: __mmask8, 
    a: __m128i, 
    b: __m128i, 
    const IMM8: i32
) -> __m128iAvailable on x86-64 and target feature 
avx512vbmi2,avx512vl only.Expand description
Concatenate packed 16-bit integers in a and b producing an intermediate 32-bit result. Shift the result left by imm8 bits, and store the upper 16-bits in dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).