1 files changed, 2 insertions, 7 deletions
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index d2917e47ad..8c055b7bb7 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -3876,14 +3876,9 @@ static ExitStatus op_stctl(DisasContext *s, DisasOps *o)
 
 static ExitStatus op_stidp(DisasContext *s, DisasOps *o)
 {
-    TCGv_i64 t1 = tcg_temp_new_i64();
-
     check_privileged(s);
-    tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, cpu_num));
-    tcg_gen_ld32u_i64(t1, cpu_env, offsetof(CPUS390XState, machine_type));
-    tcg_gen_deposit_i64(o->out, o->out, t1, 32, 32);
-    tcg_temp_free_i64(t1);
-
+    tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, cpuid));
+    tcg_gen_qemu_st_i64(o->out, o->addr1, get_mem_index(s), MO_TEQ | MO_ALIGN);
     return NO_EXIT;
 }