[patch] RS/6000 fixes

[Hidvegi]

Geoff Keating wrote:
> > ppc-opc.c: crset/crclr/crmove/crnot should work in power mode.
> >            gcc -mpower generates these.  I've submitted a patch for
> >            this about a week ago but there was no response.
> 
> >From what I can see, GCC only generates 'crnot'.  I believe that it
> shouldn't be doing this, but the aix 4.1 machine here isn't letting me
> log in to check.  Are you sure that the old POWER instruction format
> always allowed these abbreviations?

I'm not sure it has always been that way, but the AIX 4.1 as -mpwr
does accept all these without any warnings.  AIX 4.1 is the oldest I
can access.

Zoli