RFA: small IRA fixes

[Peter Bergner]

On Thu, 2008-09-04 at 16:05 -0400, Vladimir Makarov wrote:
> 2008-09-04  Vladimir Makarov  <vmakarov@redhat.com>
> 
>     * ira-conflicts.c (process_regs_for_copy): Check insn to check
>     that the cost is already taken into account in ira-costs.c
> 
>     * ira-int.h (ira_debug_copy, ira_debug_copies): New.
> 
>     * ira-build.c (print_copy, print_copies, ira_debug_copy,
>     ira_debug_copies): New.
> 
>     * doc/tm.texi (IRA_COVER_CLASSES): Fix the description.

This is OK.  Thanks.

Peter