Hi,

> > > Bother.  I've tentatively put a revert into ppc-for-2.7.  Richard,
> > > do you have a better idea how to fix it?    
> > 
> > Please try the following.  
> 
> Thanks! This passes my tests. Feel free to add:
> 
> Tested-by: Anton Blanchard <an...@samba.org>

Actually I think I've found a problem:

        lis     r4,0x7fffffff@h
        ori     r4,r4,0x7fffffff@l
        rlwinm  r3,r4,0,25,1

32 bit rotate is defined as a 64 bit rotate of 2 copies of the 32 bit
value, so we expect 0x7fffffff4000007f, but get 0x4000007f.

Not sure if anything out there depends on it though.

Anton


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