pub unsafe fn __smuadx(a: int16x2_t, b: int16x2_t) -> i32
🔬This is a nightly-only experimental API. (
stdsimd
#48556)Available on ARM only.
Expand description
有符号的双数乘法加法反转。
返回等价于
res = a[0] * b[1] + a[1] * b[0]
并在加法发生溢出时设置 Q 标志。