> I have a patch for PR 29747. It has been tested with top of 4.2
> 2007-07-13 Doug Kwan <dougkwan@google.com>
>
> PR 29759
> * simplify-rtx.c (simplify_strip_subreg): New.
> (simplify_ior_into_rotate): New.
> (simplify_binary_operation_1): Replace old code for IOR to
> ROTATE optimization with a call to simplify_ior_into_rotate,
> which handles a more general case.
>
> 2007-07-13 Doug Kwan <dougkwan@google.com>
>
> PR 29749
> * gcc.c-torture/execute/pr29749.c: New test.
There are 3 different PR numbers!
--
Eric Botcazou