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

On Mon, Mar 16, 2015 at 7:48 PM, Alan Modra <> wrote:
> On Mon, Mar 16, 2015 at 04:27:04PM +0800, Terry Guo wrote:
>> On Mon, Mar 16, 2015 at 3:42 PM, Alan Modra <> wrote:
>> > 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.
>> >
>> >
>> > Note "as an extension GCC supports them in C90 mode".
>> Thanks Alan. So in your opinion can we say it is safe to use long long
>> here? Will there be any other subtle performance issue if we use long
>> long?
> I was really just replying to your comments about gcc and C90.
> I don't want to get into a stoush with the ARM maintainers. :)
> But now that I've looked at your patch, I'd be inclined to
> #include "bfd_stdint.h" and use uint64_t for the bitmask.
> --

Hi Alan, thanks for your comments.

Hi Alan and Nick, I noticed that GDB now can be built with g++ Is there
any plan to build whole binutils with g++? If so, I am thinking that
maybe I can use c++ bitset to handle those arm feature stuff which
should be more flexible and clean.


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