diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-ref-all-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-ref-all-2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-ref-all-2.c b/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-ref-all-2.c new file mode 100644 index 000000000..29b1e98ba --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-ref-all-2.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -Wall" } */ + +typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__)); + +extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_load_si128 (__m128i const *__P) +{ + return *__P; +} + +static const short __attribute__((__aligned__(16))) tbl[8] = +{ 1, 2, 3, 4, 5, 6, 7, 8}; + + +__m128i get_vec(void) +{ + __m128i ret; + + ret = _mm_load_si128((__m128i *)tbl); /* { dg-bogus "type-punning" } */ + + return ret; +} + +/* Ignore a warning that is irrelevant to the purpose of this test. */ +/* { dg-prune-output ".*GCC vector returned by reference.*" } */ |