fixed inverse ops a little bit

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index 714c495..5bc9c1d 100644 (file)
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -559,14 +559,17 @@ static arch_inverse_t *ia32_get_inverse(const void *self, const ir_node *irn, in
                                /* invers == sub with const */
                                inverse->nodes[0] = new_rd_ia32_Sub(NULL, irg, block, noreg, noreg, get_irn_n(irn, i), noreg, nomem);
                                pnc               = pn_ia32_Sub_res;
-                               inverse->costs   += 5;
+                               inverse->costs   += 2;
                                copy_ia32_Immop_attr(inverse->nodes[0], (ir_node *)irn);
                        }
                        else {
                                /* normal add: inverse == sub */
-                               inverse->nodes[0] = new_rd_ia32_Sub(NULL, irg, block, noreg, noreg, (ir_node *)irn, get_irn_n(irn, i ^ 1), nomem);
+                               ir_node  *proj = get_irn_out_edge_first(irn)->src;
+                               assert(proj && is_Proj(proj));
+
+                               inverse->nodes[0] = new_rd_ia32_Sub(NULL, irg, block, noreg, noreg, proj, get_irn_n(irn, i ^ 1), nomem);
                                pnc               = pn_ia32_Sub_res;
-                               inverse->costs   += 5;
+                               inverse->costs   += 2;
                        }
                        break;
                case iro_ia32_Sub:
@@ -580,11 +583,14 @@ static arch_inverse_t *ia32_get_inverse(const void *self, const ir_node *irn, in
                        }
                        else {
                                /* normal sub */
+                               ir_node  *proj = get_irn_out_edge_first(irn)->src;
+                               assert(proj && is_Proj(proj));
+
                                if (i == 2) {
-                                       inverse->nodes[0] = new_rd_ia32_Add(NULL, irg, block, noreg, noreg, (ir_node *)irn, get_irn_n(irn, 3), nomem);
+                                       inverse->nodes[0] = new_rd_ia32_Add(NULL, irg, block, noreg, noreg, proj, get_irn_n(irn, 3), nomem);
                                }
                                else {
-                                       inverse->nodes[0] = new_rd_ia32_Sub(NULL, irg, block, noreg, noreg, get_irn_n(irn, 2), (ir_node *)irn, nomem);
+                                       inverse->nodes[0] = new_rd_ia32_Sub(NULL, irg, block, noreg, noreg, get_irn_n(irn, 2), proj, nomem);
                                }
                                pnc             = pn_ia32_Sub_res;
                                inverse->costs += 1;