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◆ AKSIMD_UNPACKLO_VECTOR8I16

#define AKSIMD_UNPACKLO_VECTOR8I16 (   __a__,
  __b__ 
)    vreinterpretq_s32_s16( vzipq_s16( vreinterpretq_s16_s32(__a__), vreinterpretq_s16_s32(__b__) ).val[0] )

Interleaves the lower 4 signed or unsigned 16-bit integers in a with the lower 4 signed or unsigned 16-bit integers in b (see _mm_unpacklo_epi16)

在文件 AkSimd.h 第 546 行定义.