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◆ AKSIMD_MOVEHL_V4F32

#define AKSIMD_MOVEHL_V4F32 (   a,
  b 
)    AKSIMD_SHUFFLE_V4F32( (b), (a), AKSIMD_SHUFFLE(3, 2, 3, 2) )

Moves the upper two single-precision, floating-point values of b to the lower two single-precision, floating-point values of the result. The upper two single-precision, floating-point values of a are passed through to the result. r3 := a3; r2 := a2; r1 := b3; r0 := b2 (see _mm_movehl_ps)

在文件 AkSimd.h 第 745 行定义.