[Bug libc/12872] Wrong alignment of La_x86_64_vector

[drepper.fsp at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12872

--- Comment #3 from Ulrich Drepper <drepper.fsp at gmail dot com> 2011-07-08 17:09:57 UTC ---
(In reply to comment #2)
> (In reply to comment #1)
> > The alignment is what it is.  This is an data structure which is part of the
> > interface of .  It cannot be changed.  Use unaligned accesses.
> 
> Then La_x86_64_ymm should be marked as 16byte aligned.

Why is this necessary?  The La_x86_64_ymm values are never accessed directly. 
They are part of La_x86_64_vector and that union (thanks to one of your
patches) is aligned to 16 bytes.  This should be enough.  Where exactly are the
problematic uses?

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