[PATCH 0/6] powerpc: multiarch cleanups

[Adhemerval Zanella]

I pushed upstream as:

1016993 powerpc: wordcopy/memmove cleanup for ppc32
8548a53 powerpc: multiarch Makefile cleanup for powerpc32
b269211 powerpc: wordcopy/memmove cleanup for ppc64
18e270a powerpc: Remove POWER7 wordcopy ifunc
6f0993a powerpc: Simplify bcopy default implementation
3001e54 powerpc: multiarch Makefile cleanup for powerpc64


On 21-01-2015 14:14, Adhemerval Zanella wrote:
> Hi,
>
> This is something I had in my backlog and it is mainly code organization
> and cleanup.  The idea is the initial IFUNC support for powerpc64 and
> powerpc32 added internal IFUNC workcopy functions (_wordcopy_*) meant
> to be used by memmove implementation.  However, POWER7 currently 
> provides optimized memmove (at least for powerpc64) and these symbols
> are meant to be use only for memmove/bcopy.  A better approach would
> be just build them and calling locally by specific memmove/bcopy 
> implementation.
>
> So this patch set removes the wordcopy IFUNC implementation and simplify
> both memmove and bcopy for powerpc64 and powerpc32. For powerpc64 I do
> not think it is worth to provide a power4/power6 memmmove based on 
> default algorithm, although it could a possible future enhancement.
>
> The patchset is meant to be pushed when 2.22 opens.  Tested on powerpc64,
> powerpc64le, and powerpc32.
>
> --
>
>  sysdeps/powerpc/powerpc32/power4/multiarch/Makefile          | 14 ++++++++++----
>  sysdeps/powerpc/powerpc32/power4/multiarch/memmove-power7.c  | 11 +++++++++++
>  sysdeps/powerpc/powerpc32/power4/multiarch/memmove-ppc.c     | 11 +++++++++++
>  sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c | 23 -----------------------
>  sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c  | 14 +++++++++-----
>  sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy.c        | 86 --------------------------------------------------------------------------------------
>  sysdeps/powerpc/powerpc64/multiarch/Makefile                 | 19 +++++++++++--------
>  sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c            | 10 ++++++----
>  sysdeps/powerpc/powerpc64/multiarch/memmove-ppc64.c          | 18 ++++++++++++++++--
>  sysdeps/powerpc/powerpc64/multiarch/wordcopy-power6.c        | 19 -------------------
>  sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c        | 19 -------------------
>  sysdeps/powerpc/powerpc64/multiarch/wordcopy.c               | 86 --------------------------------------------------------------------------------------
>