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[Bug target/41950] Unaligned writes (?) to __m128
- From: "phresnel at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Nov 2009 09:32:13 -0000
- Subject: [Bug target/41950] Unaligned writes (?) to __m128
- References: <bug-41950-18395@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from phresnel at gmail dot com 2009-11-06 09:32 -------
(In reply to comment #5)
> (In reply to comment #3)
> > (In reply to comment #1)
> > > I guess win32 doesn't know about aligned commons? Try updating to 4.4.2.
> >
> > You can also use -fno-common as a workaround.
> >
>
> Unfortunately, this does not work for at least testcase 0),
> __attribute__((nocommon)) does not to work either.
>
> I will try out 4.5. asap (I am in relocation mode, i.e. only have access to my
> work-pc at the moment, so updating is a bit clumsy here).
>
Self-reply: If all else fails, use _mm_alloc(size,align).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41950