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Wwise SDK 2018.1.11

◆ AKSIMD_ADD_SS_V4F32

#define AKSIMD_ADD_SS_V4F32 (   a,
  b 
)    _mm_add_ss( a, b )

Adds the lower single-precision, floating-point values of a and b; the upper three single-precision, floating-point values are passed through from a. r0 := a0 + b0; r1 := a1; r2 := a2; r3 := a3 (see _mm_add_ss)

在文件 AkSimd.h 第 187 行定义.