allow character mode constants

[libfirm] / ir / be / bespillslots.c

diff --git a/ir/be/bespillslots.c b/ir/be/bespillslots.c
index a60d6c2..c107ce5 100644 (file)
--- a/ir/be/bespillslots.c
+++ b/ir/be/bespillslots.c
@@ -281,9 +281,18 @@ static void do_greedy_coalescing(be_fec_env_t *env)
 
        // construct interferences
        for(i = 0; i < spillcount; ++i) {
+               ir_node *spill1 = spilllist[i]->spill;
+               if(is_NoMem(spill1))
+                       continue;
+
                for(i2 = i+1; i2 < spillcount; ++i2) {
-                       if(values_interfere(lv, spilllist[i]->spill, spilllist[i2]->spill)) {
-                               DBG((dbg, DBG_INTERFERENCES, "Slot %d and %d interfere\n", i, i2));
+                       ir_node *spill2 = spilllist[i2]->spill;
+                       if(is_NoMem(spill2))
+                               continue;
+
+                       if(values_interfere(lv, spill1, spill2)) {
+                               DBG((dbg, DBG_INTERFERENCES, "Slot %d and %d interfere\n",
+                                    i, i2));
                                bitset_set(interferences[i], i2);
                                bitset_set(interferences[i2], i);
                        }
@@ -523,7 +532,8 @@ static void assign_spillslots(be_fec_env_t *env)
                                }
                        }
                } else {
-                       arch_set_frame_entity(arch_env, node, slot->entity);
+                       if(!is_NoMem(node))
+                               arch_set_frame_entity(arch_env, node, slot->entity);
                }
        }