target/s390x: Fix helper_per_ifetch flags

CPU state is read on the exception path.

Fixes: 83bb161299c ("target-s390x: PER instruction-fetch nullification event support")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240502054417.234340-12-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 5611155ba14a765c5519cbe2d25196fac57c131e..31bd193322ea896866f63f37742494a8836afd18 100644 (file)
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -361,7 +361,7 @@ DEF_HELPER_FLAGS_1(purge, TCG_CALL_NO_RWG, void, env)
 DEF_HELPER_3(lra, i64, env, i64, i64)
 DEF_HELPER_FLAGS_3(per_check_exception, TCG_CALL_NO_WG, void, env, i64, i32)
 DEF_HELPER_FLAGS_3(per_branch, TCG_CALL_NO_WG, void, env, i64, i32)
-DEF_HELPER_FLAGS_2(per_ifetch, TCG_CALL_NO_RWG, void, env, i64)
+DEF_HELPER_FLAGS_2(per_ifetch, TCG_CALL_NO_WG, void, env, i64)
 DEF_HELPER_FLAGS_2(per_store_real, TCG_CALL_NO_WG, noreturn, env, i32)
 DEF_HELPER_FLAGS_1(stfl, TCG_CALL_NO_RWG, void, env)