RFA: Use gen_int_mode in plus_constant

[Richard Sandiford]

Andreas Krebbel <krebbel@linux.vnet.ibm.com> writes:
> On 21/05/13 11:26, Richard Sandiford wrote:
>> gcc/
>> 	* recog.c (offsettable_address_addr_space_p): Fix calculation of
>> 	address mode.  Move pointer mode initialization to the same place.
>
> Thanks! This fixed the failure (and others). Bootstrapped on s390x - no
> regressions:

Thanks for testing.  Also now bootstrapped & regression-tested on
x86_64-linux-gnu.  OK to install?  OK for 4.8 once 4.8.1 is released?

Thanks,
Richard