Bugfixes with register-req

diff --git a/ir/be/bearch.c b/ir/be/bearch.c
index 8084dc9..6d8f38f 100644 (file)
--- a/ir/be/bearch.c
+++ b/ir/be/bearch.c
@@ -91,6 +91,12 @@ int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn,
   const arch_register_req_t *req = ops->get_irn_reg_req(ops, &local_req, irn, pos);
 
   switch(req->type) {
+       case arch_register_req_type_none:
+               bitset_clear_all(bs);
+               return 0;
+
+       case arch_register_req_type_should_be_different:
+       case arch_register_req_type_should_be_same:
     case arch_register_req_type_normal:
       arch_register_class_put(req->cls, bs);
       return req->cls->n_regs;
@@ -123,6 +129,8 @@ int arch_reg_is_allocatable(const arch_env_t *env, const ir_node *irn,
        arch_get_register_req(env, &req, irn, pos);
        switch(req.type) {
                case arch_register_req_type_normal:
+               case arch_register_req_type_should_be_different:
+               case arch_register_req_type_should_be_same:
                        res = req.cls == reg->reg_class;
                        break;
                case arch_register_req_type_limited:
@@ -131,6 +139,7 @@ int arch_reg_is_allocatable(const arch_env_t *env, const ir_node *irn,
                                req.data.limited(irn, pos, bs);
                                res = bitset_is_set(bs, arch_register_get_index(reg));
                        }
+                       break;
                default:
                        res = 0;
        }