[Patch]Extend GAS arm_feature_set struct to provide more available bits

[Alan Modra]

On Mon, Mar 16, 2015 at 02:43:01PM +0800, Terry Guo wrote:
> I am also curious here. As you can see from below URL, the default
> mode for gcc 4.7 and 4.8 is still c90 which doesn't support long long.

https://gcc.gnu.org/onlinedocs/gcc/Long-Long.html
Note "as an extension GCC supports them in C90 mode".

-- 
Alan Modra
Australia Development Lab, IBM