#include <cruntime.h>
int64_t __int64_lsl_asgn(int64_t *arg, int16_t bits);
__int64_lsl_asgn updates the 64-bit integer pointed to by arg by shifting it left by bits bit positions. The shifted value is returned as the result.
__int64_lsl_asgn may not be provided on all implementations of CrossWorks.