[LLVMdev] Vector troubles
Daniel Berlin
dberlin at dberlin.org
Sun Sep 30 13:37:00 PDT 2007
If you mix with older gcc versions (say 2.95), they will default to a
4 byte aligned stack, not a 16 byte one.
See
http://gcc.gnu.org/ml/gcc-patches/2006-02/txt00052.txt
On 9/30/07, Anton Korobeynikov <asl at math.spbu.ru> wrote:
> Hello, Daniel.
>
> > glibc < 2.4 don't reliably keep stack at 16 bytes through some calls
> > (qsort, etc), but otherwise, it stays 16 byte aligned.
> Interesting, but why in this case stuff like 'force_align_arg_pointer'
> required?
>
> --
> With best regards, Anton Korobeynikov.
>
> Faculty of Mathematics & Mechanics, Saint Petersburg State University.
>
>
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