typedef struct { int x, y; int accum; int *load_ptr; int *store_ptr; int done; } State; #define MAX 128 extern int array[MAX][MAX]; extern int array2[MAX][MAX]; //#define ST(n) (state->n) #define ST(n) (n) #define BEGIN_TRANSLATED_FUNCTION() \ int x=state->x, y=state->y, accum=state->accum; \ int *load_ptr=state->load_ptr, *store_ptr=state->store_ptr; \ int done = 0; \ while (!done) { #define END_TRANSLATED_FUNCTION() \ } /* end of while block started in BEGIN_TRANSLATED_FUNCTION() */ \ state->x=x; state->y=y; state->accum=accum; \ state->load_ptr=load_ptr; state->store_ptr=store_ptr; \ #define DO_MOVE_REL(delta_x,delta_y) do { \ ST(x) += delta_x; \ ST(y) += delta_y; \ ST(load_ptr) = &array[ST(x)][ST(y)]; \ } while (0) #define DO_SET_ACCUM(x) ST(accum) = x #define DO_ADD_DATA() ST(accum) += *ST(load_ptr) #define DO_SUBTRACT_DATA() ST(accum) -= *ST(load_ptr) #define DO_MULTIPLY_DATA() ST(accum) *= *ST(load_ptr) #define DO_STORE_DATA() *ST(store_ptr) = ST(accum) #define DO_END() done = 1