initial checkin of template specification

[libfirm] / ir / be / becopyheur.c

diff --git a/ir/be/becopyheur.c b/ir/be/becopyheur.c
index a76b904..bdab704 100644 (file)
--- a/ir/be/becopyheur.c
+++ b/ir/be/becopyheur.c
@@ -462,7 +462,10 @@ static INLINE void ou_insert_qnode(unit_t *ou, qnode_t *qn) {
 static void ou_optimize(unit_t *ou) {
        int i;
        qnode_t *curr = NULL, *tmp;
-       bitset_t *pos_regs = bitset_alloca(ou->co->chordal_env->cls->n_regs);
+       arch_env_t *aenv = get_arch_env(ou->co);
+       const arch_register_class_t *cls = ou->co->chordal_env->cls;
+       bitset_t *pos_regs = bitset_alloca(cls->n_regs);
+       bitset_t *ign_regs = bitset_alloca(cls->n_regs);
 
        DBG((dbg, LEVEL_1, "\tOptimizing unit:\n"));
        for (i=0; i<ou->node_count; ++i)
@@ -470,7 +473,14 @@ static void ou_optimize(unit_t *ou) {
 
        /* init queue */
        INIT_LIST_HEAD(&ou->queue);
-       arch_get_allocatable_regs(get_arch_env(ou->co), ou->nodes[0], -1, pos_regs);
+
+       arch_get_allocatable_regs(aenv, ou->nodes[0], -1, pos_regs);
+
+       /* exclude ingore colors */
+       arch_put_non_ignore_regs(aenv, cls, ign_regs);
+       bitset_and(pos_regs, ign_regs);
+
+       /* create new qnode */
        bitset_foreach(pos_regs, i)
                ou_insert_qnode(ou, new_qnode(ou, i));