Re: [PATCH 4/6] rs6000: Delete some now-superfluous zero_ext{end,ract} patterns

[David Edelsohn <dje.gcc@gmail.com>]

On Sun, May 10, 2015 at 12:13 PM, Segher Boessenkool
<segher@kernel.crashing.org> wrote:
> After the change to combine, we no longer need all the special-case
> patterns.
>
> Tested on powerpc64-linux, as usual.  As mentioned with the combine
> patch, there are no differences to generated code in cc1.
>
> This does not delete DImode lshiftrt patterns, because those do not
> exist (yet).
>
> Is this okay for trunk?
>
>
> Segher
>
> [ Save the planet!  Delete 11% of your machine descriptions! ]
>
>
> 2015-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
>
>         * config/rs6000/rs6000.md (extzv): FAIL for SImode.
>         (extzvsi_internal, *extzvsi_internal1, *extzvsi_internal2,
>         *rotlsi3_internal7le, *rotlsi3_internal7be, *rotlsi3_internal8le,
>         *rotlsi3_internal8be, *rotlsi3_internal9le, *rotlsi3_internal9be,
>         *rotlsi3_internal10le, *rotlsi3_internal10be, *rotlsi3_internal11le,
>         *rotlsi3_internal11be, *rotlsi3_internal12le, *rotlsi3_internal12be,
>         *lshiftrt_internal1le, *lshiftrt_internal1be, *lshiftrt_internal2le,
>         *lshiftrt_internal2be, *lshiftrt_internal3le, *lshiftrt_internal3be,
>         *lshiftrt_internal4le, *lshiftrt_internal4be, *lshiftrt_internal5le,
>         *lshiftrt_internal5be, *lshiftrt_internal5le, *lshiftrt_internal5be,
>         *rotldi3_internal7le, *rotldi3_internal7be, *rotldi3_internal8le,
>         *rotldi3_internal8be, *rotldi3_internal9le, *rotldi3_internal9be,
>         *rotldi3_internal10le, *rotldi3_internal10be, *rotldi3_internal11le,
>         *rotldi3_internal11be, *rotldi3_internal12le, *rotldi3_internal12be,
>         *rotldi3_internal13le, *rotldi3_internal13be, *rotldi3_internal14le,
>         *rotldi3_internal14be, *rotldi3_internal15le, *rotldi3_internal15be,
>         and 30 corresponding splitters): Delete.

Okay.

Thanks, David