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[Bug middle-end/37042] Strict-aliasing warnings are printed for _mm_load_si128, even though __m128i is __attribute__((__may_alias__)).
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Aug 2008 20:19:15 -0000
- Subject: [Bug middle-end/37042] Strict-aliasing warnings are printed for _mm_load_si128, even though __m128i is __attribute__((__may_alias__)).
- References: <bug-37042-4084@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from pinskia at gcc dot gnu dot org 2008-08-10 20:19 -------
Note this testcase fails on powerpc64-linux-gnu with the following warning:
/home/apinski/src/local/gcc/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-ref-all-2.c:8:
warning: GCC vector returned by reference: non-standard ABI extension
with no compatibility guarantee
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37042