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[Bug tree-optimization/57156] miscompilation of call to _mm_cmpeq_epi8(a, a) or _mm_comtrue_epu8(a, a) with uninitialized a
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 30 Oct 2013 21:12:09 +0000
- Subject: [Bug tree-optimization/57156] miscompilation of call to _mm_cmpeq_epi8(a, a) or _mm_comtrue_epu8(a, a) with uninitialized a
- Auto-submitted: auto-generated
- References: <bug-57156-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57156
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |law at redhat dot com
Resolution|--- |INVALID
--- Comment #9 from Jeffrey A. Law <law at redhat dot com> ---
Using uninitialized objects results in undefined behaviour according to the
standards. This is not a bug.