nv50: check dst compatibility in CSE

2010-08-17 15:27:56 +02:00
parent cb75082768
commit 3e27785f3e
1 changed files with 7 additions and 0 deletions
@@ -1007,6 +1007,13 @@ nv_pass_cse(struct nv_pass *ctx, struct nv_basic_block *b)
                ik->flags_def || ir->flags_def)
               continue; /* and also not with flags, for now */

+            assert(ik->def[0] && ir->def[0]);
+
+            if (ik->def[0]->reg.file == NV_FILE_OUT ||
+                ir->def[0]->reg.file == NV_FILE_OUT ||
+                !values_equal(ik->def[0], ir->def[0]))
+               continue;
+
            for (s = 0; s < 3; ++s) {
               struct nv_value *a, *b;