[PATCH] Fix PR rtl-opt/33512: Simple bitwise simplification missed

[Richard Guenther]

On Sat, Feb 23, 2008 at 12:12 PM,  <Andrew_Pinski@playstation.sony.com> wrote:
> Hi,
>   We currently don't simplify some simple bitwise, x & ((~x) | y) which
>  simplifies to y & x.  This patch adds the simplification to RTX
>  simplification function.
>
>  OK? Bootstrapped and tested on i386-apple-darwin and has been in the PS3
>  toolchain for about 3 releases.

Ok if you add a testcase.

Thanks,
Richard.

>  Thanks,
>  Andrew Pinski
>
>  ChangeLog:
>
>
>         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
>  of
>         (and X (ior (not X) Y) and (and (ior (not X) Y) X).
>
>