add a note so the next person doesn't have to dig so long anymore

[libfirm] / ir / be / bespillbelady.c

diff --git a/ir/be/bespillbelady.c b/ir/be/bespillbelady.c
index d9f7a09..9fcba3c 100644 (file)
--- a/ir/be/bespillbelady.c
+++ b/ir/be/bespillbelady.c
@@ -237,7 +237,7 @@ static inline const loc_t *workset_contains(const workset_t *ws,
 #define workset_set_length(ws, length) (ws)->len = length
 #define workset_get_length(ws) ((ws)->len)
 #define workset_get_val(ws, i) ((ws)->vals[i].node)
-#define workset_sort(ws) qsort((ws)->vals, (ws)->len, sizeof((ws)->vals[0]), loc_compare);
+#define workset_sort(ws) do { qsort((ws)->vals, (ws)->len, sizeof((ws)->vals[0]), loc_compare); } while(0)
 
 typedef struct _block_info_t
 {
@@ -336,14 +336,6 @@ static void displace(workset_t *new_vals, int is_usage)
 
        /* Only make more free room if we do not have enough */
        if (spills_needed > 0) {
-               ir_node   *curr_bb  = NULL;
-               workset_t *ws_start = NULL;
-
-               if (move_spills) {
-                       curr_bb  = get_nodes_block(instr);
-                       ws_start = get_block_info(curr_bb)->start_workset;
-               }
-
                DB((dbg, DBG_DECIDE, "    disposing %d values\n", spills_needed));
 
                /* calculate current next-use distance for live values */