[Bug target/103197] ppc inline expansion of memcpy/memmove should not use lxsibzx/stxsibx for a single byte

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103197

--- Comment #12 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to HaoChen Gui from comment #11)
> Segher,
>   Will you commit your patch in stage4? Several issues are supposed to be
> fixed by your patch. Thanks.

Yes, of course, but there have been complications.  In particular this had to
be *thoroughly* tested.