[PATCH, rs6000] Document reserved use of "wc" constraint

[David Edelsohn]

On Fri, Feb 28, 2014 at 7:23 PM, Bill Schmidt
<wschmidt@linux.vnet.ibm.com> wrote:
> Hi,
>
> Hal Finkel requested that we define a constraint for representing
> individual CR bits.  We agreed to reserve "wc" for this purpose to
> maintain compatibility with LLVM.  This patch documents that use.
>
> A pro-forma regstrap is in progress.  Assuming no problems, is this ok
> for trunk?

You're not going to implement the new register class?















Okay

Thanks, David