diff options
| -rw-r--r-- | target/arm/translate-a64.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index d1a59fad9c..9333d7be41 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -2470,7 +2470,12 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, } else if (tb_cflags(s->base.tb) & CF_PARALLEL) { if (!HAVE_CMPXCHG128) { gen_helper_exit_atomic(cpu_env); - s->base.is_jmp = DISAS_NORETURN; + /* + * Produce a result so we have a well-formed opcode + * stream when the following (dead) code uses 'tmp'. + * TCG will remove the dead ops for us. + */ + tcg_gen_movi_i64(tmp, 0); } else if (s->be_data == MO_LE) { gen_helper_paired_cmpxchg64_le_parallel(tmp, cpu_env, cpu_exclusive_addr, |