heur4: Avoid unnecessary bitset operations when the node is not limited.

[libfirm] / ir / be / bearch.c

diff --git a/ir/be/bearch.c b/ir/be/bearch.c
index cd405c7..d21611d 100644 (file)
--- a/ir/be/bearch.c
+++ b/ir/be/bearch.c
@@ -249,11 +249,11 @@ bool arch_reg_is_allocatable(const arch_register_req_t *req,
        if (req->type == arch_register_req_type_none)
                return false;
        if (req->type & arch_register_req_type_limited) {
-               if (arch_register_get_class(reg) != req->cls)
+               if (reg->reg_class != req->cls)
                        return false;
-               return rbitset_is_set(req->limited, arch_register_get_index(reg));
+               return rbitset_is_set(req->limited, reg->index);
        }
-       return req->cls == arch_register_get_class(reg);
+       return req->cls == reg->reg_class;
 }
 
 void arch_dump_register_req(FILE *F, const arch_register_req_t *req,