Function core::arch::arm::__smlsd

pub unsafe fn __smlsd(a: int16x2_t, b: int16x2_t, c: i32) -> i32

🔬This is a nightly-only experimental API. (stdsimd #48556)

Available on ARM only.

双 16 位带符号乘积与乘积相减以及 32 位累加和溢出检测。

返回 16 位有符号等效项 res = a[0] * b[0] - a[1] * b[1] + c