Topic: x64 Commands in x32 to Windows environment
Whether it is possible for the compiler (VC or gcc) to prompt, what it used x64 commands if needed (with a prefix certainly) in x32 to Windows environment (and x32 it is finite)? It is necessary for acceleration of calculations over 64 bit numbers. If is not present, what candidate solutions of the given task are? In manual on it is necessary to write much.