GCC is free to generate multiple stores instead of just one (e.g.
observed by switching to -O0), making the test fail.
Make sure we really only have one store.
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
---
s390x/selftest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/s390x/selftest.c b/s390x/selftest.c
index 87eb934..1c8d16a 100644
--- a/s390x/selftest.c
+++ b/s390x/selftest.c
@@ -33,7 +33,7 @@ static void test_pgm_int(void)
check_pgm_int_code(PGM_INT_CODE_OPERATION);
expect_pgm_int();
- *((unsigned int*)-1) = 1;
+ asm volatile(" stg %0,0(%0)\n" : : "r"(-1));
check_pgm_int_code(PGM_INT_CODE_ADDRESSING);
}
--
2.9.4
