X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firopt.c;h=dcbe3baec97dc1f3a70cc1cec51775c1a04d78af;hb=637542932dc27dcdfc7def09b58d9d5d4c34fb77;hp=1184f29ffac4e4b5cdaa68f4f8d943c2c6ad59e5;hpb=4b7dd9b7c4190578655b4049c836eb996c18528d;p=libfirm

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 1184f29ff..dcbe3baec 100644
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -961,7 +961,7 @@ static ir_node *equivalent_node_Conv(ir_node *n)
 
 /**
  * A Cast may be removed if the type of the previous node
- * is already to type of the Cast.
+ * is already the type of the Cast.
  */
 static ir_node *equivalent_node_Cast(ir_node *n) {
   ir_node *pred = get_Cast_op(n);
@@ -1648,7 +1648,7 @@ static ir_node *transform_node_Not(ir_node *n)
 static ir_node *transform_node_Cast(ir_node *n) {
   ir_node *oldn = n;
   ir_node *pred = get_Cast_op(n);
-  type *tp = get_irn_type(pred);
+  type *tp = get_irn_type(n);
 
   if (get_irn_op(pred) == op_Const && get_Const_type(pred) != tp) {
     n = new_rd_Const_type(NULL, current_ir_graph, get_nodes_block(pred), get_irn_mode(pred),
@@ -1659,6 +1659,7 @@ static ir_node *transform_node_Cast(ir_node *n) {
                  get_SymConst_kind(pred), tp);
     DBG_OPT_CSTEVAL(oldn, n);
   }
+
   return n;
 }
 
@@ -1877,7 +1878,7 @@ static ir_node *transform_node_Proj(ir_node *proj)
               }
             }
 
-            if (tv != tarval_bad) {
+            if ((tv != tarval_bad) && (proj_nr == pn_Cmp_Eq || proj_nr == pn_Cmp_Lg)) {
               ir_op *op = get_irn_op(left);
 
               /* a-c1 == c2  ==>  a == c2+c1,  a-c1 != c2  ==>  a != c2+c1 */