diff --git a/qemu/target/sparc/translate.c b/qemu/target/sparc/translate.c
index b184bb07..0a4f2242 100644
--- a/qemu/target/sparc/translate.c
+++ b/qemu/target/sparc/translate.c
@@ -2600,7 +2600,7 @@ static void gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
     default:
         /* ??? In theory, this should be raise DAE_invalid_asi.
            But the SS-20 roms do ldstuba [%l0] #ASI_M_CTL, %o1.  */
-        if (dc->uc->parallel_cpus) {
+        if (tb_cflags(dc->base.tb) & CF_PARALLEL) {
             gen_helper_exit_atomic(tcg_ctx, tcg_ctx->cpu_env);
         } else {
             TCGv_i32 r_asi = tcg_const_i32(tcg_ctx, da.asi);