Function core_arch::x86::_mm_shufflelo_epi16

pub unsafe fn _mm_shufflelo_epi16(a: __m128i, imm8: i32) -> __m128i

This is supported on x86 and target feature sse2 only.

Shuffles 16-bit integers in the low 64 bits of a using the control in imm8.

Put the results in the low 64 bits of the returned vector, with the high 64 bits being copied from from a.

Intel's documentation