On Tue, Jun 09, 2015 at 06:16:32PM +0200, Uros Bizjak wrote:
> > something? Would it be acceptable to just guard the changes in the patch
> > with !TARGET_X32 and let H.J. deal with that target? I'm afraid I'm lost
> > when to ZERO_EXTEND addr (if needed at all), etc.
>
> If you wish, I can take your patch and take if further. -mx32 is a
> delicate beast...
If you could, it would be appreciated, I'm quite busy with OpenMP 4.1 stuff
now.
Note that for -m64/-mx32 it will be much harder to create a reproducer,
because to trigger the bug one has to convince the register allocator
to allocate the lhs of the load in certain registers (not that hard),
but also the index register (to be scaled, also not that hard) and
also the register holding the tls symbol immediate. Wonder if one has to
keep all but the two registers live across the load or something similar.
Jakub
