kernel oops due to unaligned access with lswi

[Paul Mackerras]

Olaf,

> 	lswi 9,31,8
> 	stswi 9,28,8
>
> s = r31. How can gcc be sure that s aligned?

What machine is this?  I looked at the manuals for 750, 7450, POWER4
and they all handle unaligned string ops in hardware.  The alignment
handler doesn't handle string ops, I believe, although it could.  And
which arch (ppc32 or ppc64)?

Paul.

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