pub unsafe fn __smusdx(a: int16x2_t, b: int16x2_t) -> i32🔬This is a nightly-only experimental API. (
stdarch_arm_dsp #117237)Available on ARM only.
Expand description
Signed Dual Multiply Subtract Reversed.
Returns the equivalent of
res = a[0] * b[1] - a[1] * b[0]
and sets the Q flag if overflow occurs on the addition.