Function __smlawt

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

🔬This is a nightly-only experimental API. (stdarch_arm_dsp #117237)

Available on ARM only.

Insert a SMLAWT instruction

Returns the equivalent of (a * b[1] + (c << 16)) >> 16 where [0] is the lower 16 bits and [1] is the upper 16 bits. Sets the Q flag if overflow occurs on the addition.