fix wrong sorting of affinity edges

diff --git a/ir/be/bespillslots.c b/ir/be/bespillslots.c
index ea0eee4..c3faf51 100644 (file)
--- a/ir/be/bespillslots.c
+++ b/ir/be/bespillslots.c
@@ -59,10 +59,11 @@ typedef struct _ss_env_t {
 
 /** Compare 2 affinity edges (used in quicksort) */
 static int cmp_affinity(const void *d1, const void *d2) {
-       const affinity_edge_t *e1 = d1;
-       const affinity_edge_t *e2 = d2;
+       const affinity_edge_t * const *e1 = d1;
+       const affinity_edge_t * const *e2 = d2;
 
-       return e1->affinity < e2->affinity ? -1 : 1;
+       // sort in descending order
+       return (*e1)->affinity < (*e2)->affinity ? 1 : -1;
 }
 
 static int cmp_spill(const void* d1, const void* d2, size_t size) {