copy register on benode lowering to Load

[libfirm] / ir / be / beraextern.c

diff --git a/ir/be/beraextern.c b/ir/be/beraextern.c
index ac38070..be43239 100644 (file)
--- a/ir/be/beraextern.c
+++ b/ir/be/beraextern.c
@@ -709,6 +709,7 @@ static void execute(char *prog_to_call, char *out_file, char *result_file) {
 static INLINE void var_add_spills_and_reloads(be_raext_env_t *raenv, int var_nr) {
        var_info_t *vi = var_find(raenv->vars, var_nr);
        ir_node *spill=NULL, *ctx, *irn;
+       ir_mode *mode;
        const ir_edge_t *edge, *ne;
        pset *spills  = pset_new_ptr(4);        /* the spills of this variable */
        pset *reloads = pset_new_ptr(4);        /* the reloads of this variable */
@@ -744,6 +745,8 @@ static INLINE void var_add_spills_and_reloads(be_raext_env_t *raenv, int var_nr)
 
        assert(spill && "There must be at least one non-phi-node");
 
+       mode = get_irn_mode(get_irn_n(spill, 0));
+
        /* insert reloads and wire them arbitrary*/
        pset_foreach(vi->values, irn)
                foreach_out_edge_safe(irn, edge, ne) {
@@ -753,7 +756,8 @@ static INLINE void var_add_spills_and_reloads(be_raext_env_t *raenv, int var_nr)
 
                        /* all real uses must be reloaded */
                        DBG((raenv->dbg, LEVEL_2, "  reloading before %+F\n", src));
-                       reload = be_reload(raenv->aenv, raenv->cls, edge->src, edge->pos, get_irn_mode(get_irn_n(spill, 0)), spill);
+                       reload = be_reload(raenv->aenv, raenv->cls, edge->src, mode, spill);
+                       set_irn_n(edge->src, edge->pos, reload);
 
                        /* remember the reload */
                        pset_insert_ptr(reloads, reload);