This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug c/66194] emit vectorization instruction for not aligned data(amd64), -fno-strict-aliasing not help
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 18 May 2015 18:16:07 +0000
- Subject: [Bug c/66194] emit vectorization instruction for not aligned data(amd64), -fno-strict-aliasing not help
- Auto-submitted: auto-generated
- References: <bug-66194-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66194
--- Comment #7 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
6.3.2.3 p7:
ÂA pointer to an object type may be converted to a pointer to a different
object type. If the resulting pointer is not correctly aligned for the
referenced type, the behavior is undefined.Â