pub unsafe fn __qadd8(a: int8x4_t, b: int8x4_t) -> int8x4_t🔬This is a nightly-only experimental API. (
stdsimd #48556)Available on ARM only.
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饱和四个 8 位整数加法
返回与之等效的 8 位有符号
res[0] = a[0] + b[0] res[1] = a[1] + b[1] res[2] = a[2] + b[2] res[3] = a[3] + b[3]