tweeks to the c tests

also figured out hello was caching stopped that to make results
comparable
even wrote a hello assembler version which is just 10% faster than soml
:-)

test/bench/c/adds.c

@@ -17,7 +17,7 @@ int fibo(int n){
 
 int main(void)
 {
-	int counter = 98304 + 1696;
+	int counter = 100352 - 352;
 	int counter2 = counter;
 	int level = 40;
 	int fib ;