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have real space in stack. It is optimised to be a register(r28).
According to powerpc ABI, before call xfs_btree_rshift, some registers
will be saved at stack and before return from xfs_btree_rshift, these
registers will be restored. Is it possible that a smash occured at
this time?

BTW, I noticed that my cross-compiler "powerpc-linux-gnuspe-gcc"
didn't have default 4 bytes alignment but 8 bytes alignment.



> Cheers,
>
> Dave.
> --
> Dave Chinner
> david at fromorbit.com
>



--=20
The simplest is not all best but the best is surely the simplest!