Omit the table overflow check when building for small systems

common_x86.h

@@ -178,11 +178,13 @@ static __inline int blas_quickdivide(unsigned int x, unsigned int y){
   result = x/y;
   return result;
 #else
-
+#if (MAX_CPU_NUMBER > 64)
   if ( y > 64) {
 	  result = x/y;
 	  return result;
-  }	  
+  }
+#endif
+	
   y = blas_quick_divide_table[y];
 
   __asm__ __volatile__  ("mull %0" :"=d" (result) :"a"(x), "0" (y));