__MAC
In this section:
Syntax
signed long long __MAC(signed longval1, signed longval2, signed long longaccumulator);
Description
Executes multiply and accumulate (MAC) operations on the 32-bit signed data values val1 and val2 and returns the result as a 64-bit signed data value.
Note
To use intrinsic functions in an application, you must include the header file(s) where they are declared, see Summary of intrinsic functions.