[alpha] RFA: Use new rtl iterators in alpha_find_lo_sum_using_gp

[Richard Henderson]

On 10/25/2014 03:15 AM, Richard Sandiford wrote:
> This is part of a series to remove uses of for_each_rtx from the ports.
> 
> Tested by making sure there were no code changes for gcc.dg, gcc.c-torture
> and g++.dg for alpha-linux-gnu.  OK to install?
> 
> Thanks,
> Richard
> 
> 
> gcc/
> 	* config/alpha/alpha-protos.h (alpha_find_lo_sum_using_gp): Return
> 	a bool.
> 	* config/alpha/alpha.c (find_lo_sum_using_gp): Delete.
> 	(alpha_find_lo_sum_using_gp): Use FOR_EACH_SUBRTX.  Return a bool.

Ok.


r~