pub unsafe fn _mm_mask_shldi_epi64<const IMM8: i32>(
    src: __m128i,
    k: u8,
    a: __m128i,
    b: __m128i
) -> __m128i
🔬This is a nightly-only experimental API. (stdsimd)
Available on x86-64 only.
Expand description

Concatenate packed 64-bit integers in a and b producing an intermediate 128-bit result. Shift the result left by imm8 bits, and store the upper 64-bits in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

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