Sources to port fenv.h to ARM and AARCH64

[Eshan Dhawan]

Then I will be giving preference to FreeBSD

On Sat, Mar 21, 2020 at 2:03 AM Eshan Dhawan <eshandhawan51 at gmail.com>
wrote:

> thanks, dr Joel
>
> I had gone through the musl-libc library but it doesn't have much
> architecture specific support for ARM as well as AARCH64
> It has support for s390x, m68k, powerpc64
>
>
> On Sat, Mar 21, 2020 at 1:32 AM Joel Sherrill <joel at rtems.org> wrote:
>
>>
>>
>> On Fri, Mar 20, 2020 at 2:43 PM Eshan Dhawan <eshandhawan51 at gmail.com>
>> wrote:
>>
>>> What would be the preferred source to port fenv.h to ARM and AARCH64
>>> its implementation is present in both FreeBSD as well AS NetBSD
>>> -> ARM
>>> ---FreeBSD Source
>>> # https://github.com/freebsd/freebsd/tree/master/lib/msun/arm
>>> ---NetBSD Source
>>> # https://github.com/NetBSD/src/tree/trunk/lib/libm/arch/arm
>>>
>>> ->AARCH64
>>> ---FreeBSD Source
>>> # https://github.com/freebsd/freebsd/tree/master/lib/msun/aarch64
>>> ---NetBSD Source
>>> # https://github.com/NetBSD/src/tree/trunk/lib/libm/arch/aarch64
>>>
>>
>> Don't forget MUSL-C Library which has a lot of architectures and
>> is appropriately licensed.
>>
>> https://git.musl-libc.org/cgit/musl/tree/src/fenv
>>
>> I think our the order is going to be FreeBSD, NetBSD, then other places.
>>
>> The code drops into newlib's libm in a particular way which may require
>> some refactoring. fenv.h is shared across all ports and machine/fenv.h is
>> where port code goes. There must be an architecture specific file for each
>> method. But the entire implementation could go in one file and the others
>> be stubs. The i386 does this.
>>
>> --joel
>>
>>>
>>>
>>> <https://github.com/NetBSD/src/tree/trunk/lib/libm/arch/aarch64>
>>>
>>> Thanks
>>> -Eshan
>>> _______________________________________________
>>> devel mailing list
>>> devel at rtems.org
>>> http://lists.rtems.org/mailman/listinfo/devel
>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/devel/attachments/20200321/952e8001/attachment.html>