#define ver_is_older(v, w) ((v) < (w))
#define ver_is_younger(v, w) ((v) > (w))
+#if 0
static int block_freq_gt(const void *a, const void *b)
{
const ir_node * const *p = a;
double diff = qi->exec_freq - pi->exec_freq;
return (diff > 0) - (diff < 0);
}
+#endif
static int block_order(const void *a, const void *b)
{