check if load/store can cosume the lea before consuming it

[libfirm] / ir / be / ia32 / ia32_transform.c

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index f05463a..7ee6ca6 100644 (file)
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -397,7 +397,7 @@ static ir_node *gen_imm_Add(ia32_transform_env_t *env, ir_node *expr_op, ir_node
        DEBUG_ONLY(firm_dbg_module_t *mod = env->mod;)
 
        /* try to optimize to inc/dec  */
-       if ((env->cg->opt & IA32_OPT_INCDEC) && tv) {
+       if ((env->cg->opt & IA32_OPT_INCDEC) && (get_ia32_op_type(const_op) == ia32_Const)) {
                /* optimize tarvals */
                class_tv    = classify_tarval(tv);
                class_negtv = classify_tarval(tarval_neg(tv));
@@ -1472,7 +1472,7 @@ static ir_node *gen_Cond(ia32_transform_env_t *env) {
                }
 
                set_ia32_pncode(res, get_Proj_proj(sel));
-               set_ia32_am_support(res, ia32_am_Source);
+               //set_ia32_am_support(res, ia32_am_Source);
        }
        else {
                /* determine the smallest switch case value */
@@ -2039,6 +2039,7 @@ void ia32_transform_sub_to_neg_add(ir_node *irn, ia32_code_gen_t *cg) {
                        set_ia32_am_support(res, ia32_am_Full);
                        set_ia32_commutative(res);
                }
+           set_ia32_res_mode(res, tenv.mode);
 
                SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(tenv.cg, irn));
                /* copy register */
@@ -2152,6 +2153,7 @@ void ia32_transform_lea_to_add(ir_node *irn, ia32_code_gen_t *cg) {
        arch_set_irn_register(cg->arch_env, res, out_reg);
        set_ia32_op_type(res, ia32_Normal);
        set_ia32_commutative(res);
+       set_ia32_res_mode(res, tenv.mode);
 
        if (imm) {
                set_ia32_cnst(res, offs);