fix beabi not setting width in register constraint

[libfirm] / ir / be / beabi.c

diff --git a/ir/be/beabi.c b/ir/be/beabi.c
index 6065040..acda7a8 100644 (file)
--- a/ir/be/beabi.c
+++ b/ir/be/beabi.c
@@ -2274,9 +2274,10 @@ be_abi_irg_t *be_abi_introduce(ir_graph *irg)
        sp_req = OALLOCZ(obst, arch_register_req_t);
        env->sp_req = sp_req;
 
-       sp_req->type = arch_register_req_type_limited
-                    | arch_register_req_type_produces_sp;
-       sp_req->cls  = arch_register_get_class(arch_env->sp);
+       sp_req->type  = arch_register_req_type_limited
+                     | arch_register_req_type_produces_sp;
+       sp_req->cls   = arch_register_get_class(arch_env->sp);
+       sp_req->width = 1;
 
        limited_bitset = rbitset_obstack_alloc(obst, sp_req->cls->n_regs);
        rbitset_set(limited_bitset, arch_register_get_index(arch_env->sp));