[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.
>
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>



More information about the llvm-dev mailing list