RFC: Fix ARMv3 support

[Kyrill Tkachov]

On 18/02/16 13:28, Christophe Lyon wrote:
> On 18 February 2016 at 14:20, Nick Clifton <nickc@redhat.com> wrote:
>> Hi Christophe,
>>
>>> Could you modify your new testcases, such that they call
>>> check_effective_target_arm_arm_ok ?
>> Good idea - done.
>>
>>> I'm just realizing that we currently generate arm_arch_vX_ok
>>> for X >=4 only. Maybe you should also add v3?
>> Possibly.  I am not at all sure how important v3 support is any more
>> (or support for any ARM architecture prior to v4t).  Do you know of
>> anyone who still needs it ?
>>
> I am not aware of any such user, but the ARM maintainers would know
> better for sure.
>
> FWIW, the original bug report came from the kernel team, when building
> all the existing
> configurations. So it seems the Linux kernel still wants to support v3.

Judging by the Linaro issue linked to the BZ:
https://bugs.launchpad.net/gcc-linaro/+bug/1307197
the armv3 build was part of testing with random build configurations,
so I don't think that's an indication that real kernels care about this.

Kyrill

>
>> Cheers
>>    Nick