Function core::arch::arm::__smlatb[][src]

pub unsafe fn __smlatb(a: int16x2_t, b: int16x2_t, c: i32) -> i32
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on ARM only.
Expand description

插入 SMLATB 指令

返回 a[1] * b[0] + c 的等效项,其中 [0] 是低 16 位,而 [1] 是高 16 位。

如果加法发生溢出,则设置 Q 标志。