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 ;

test/bench/c/hello.c

@@ -2,7 +2,8 @@
 
 int main(void)
 {
-	int counter = 98304 + 1696;
+	setbuf(stdout, NULL); /* to make it equivalent to the soml, otherwise it caches */
+	int counter = 100352 - 352;
 	while(counter--) {
     printf("Hello there\n");
 	}

test/bench/c/itos.c

@@ -4,7 +4,7 @@ int main(void)
 {
 	char stringa[20] ;
 
-	int counter = 98304 + 1696;
+	int counter = 100352 - 352;
 	while(counter--) {
     sprintf(stringa, "%i\n" , counter);
 	}

test/bench/c/loop.c

@@ -0,0 +1,9 @@
+#include<stdio.h>
+
+int main(void)
+{
+int counter = 100352 - 352;
+  while(counter) {
+    counter = counter - 1;
+  }
+}

test/bench/c/null.c

@@ -1,9 +0,0 @@
-#include<stdio.h>
-
-int main(void)
-{
-int counter = 98304 + 1696;
-  while(counter--) {
-    counter = counter;
-  }
-}