- removed C99 features

- removed useless Id-node creation
- reordered conditions from cheap to expensive

[r27245]

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 6d95904..a303fc1 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -2321,6 +2321,7 @@ static ir_node *transform_node_Add(ir_node *n)
 {
        ir_mode *mode;
        ir_node *a, *b, *c, *oldn = n;
+       vrp_attr *a_vrp, *b_vrp;
 
        n = transform_node_AddSub(n);
 
@@ -2412,11 +2413,9 @@ static ir_node *transform_node_Add(ir_node *n)
                }
        }
 
-       vrp_attr *a_vrp, *b_vrp;
        a_vrp = vrp_get_info(a);
        b_vrp = vrp_get_info(b);
 
-
        if (a_vrp && b_vrp) {
                tarval *c = tarval_and(
                                        tarval_not(a_vrp->bits_not_set),
@@ -3470,6 +3469,7 @@ static ir_node *transform_node_And(ir_node *n)
        ir_node *a = get_And_left(n);
        ir_node *b = get_And_right(n);
        ir_mode *mode;
+       vrp_attr *a_vrp, *b_vrp;
 
        mode = get_irn_mode(n);
        HANDLE_BINOP_PHI((eval_func) tarval_and, a, b, c, mode);
@@ -3590,21 +3590,17 @@ static ir_node *transform_node_And(ir_node *n)
                return n;
        }
 
-       vrp_attr *a_vrp, *b_vrp;
-       a_vrp = vrp_get_info(a);
        b_vrp = vrp_get_info(b);
-
-       if (is_Const(a) && b_vrp && (tarval_is_all_one(tarval_or(get_Const_tarval(a),
-                                               b_vrp->bits_not_set)))) {
-               return new_rd_Id(get_irn_dbg_info(n), get_nodes_block(n),
-                                                       b, get_irn_mode(n));
+       if (b_vrp && is_Const(a) &&
+           (tarval_is_all_one(tarval_or(get_Const_tarval(a), b_vrp->bits_not_set)))) {
+               return b;
 
        }
 
-       if (is_Const(b) && a_vrp && (tarval_is_all_one(tarval_or(get_Const_tarval(b),
-                                               a_vrp->bits_not_set)))) {
-               return new_rd_Id(get_irn_dbg_info(n), get_nodes_block(n),
-                                                       a, get_irn_mode(n));
+       a_vrp = vrp_get_info(a);
+       if (a_vrp &&is_Const(b) &&
+           (tarval_is_all_one(tarval_or(get_Const_tarval(b), a_vrp->bits_not_set)))) {
+               return a;
 
        }