RFC: remove the "tile" architecture from glibc

[Adhemerval Zanella]

On 01/02/2018 11:45, Joseph Myers wrote:
> On Thu, 1 Feb 2018, Adhemerval Zanella wrote:
> 
>> On 01/02/2018 11:33, John Paul Adrian Glaubitz wrote:
>>> On 02/01/2018 02:24 PM, Adhemerval Zanella wrote:
>>>> ia64 seems to be in a good shape with only two issues which requires further
>>>> investigation (nptl/tst-cancel21-static and stdlib/tst-makecontext3 and
>>>> for the later I think it is a long-standing issue).
>>>
>>> Sounds good :). Then I think I am mostly worried with sparc64. It has
>>> really lots of testsuite failures.
>>
>> I will check sparcv9/sparc64 later today as well.
> 
> Note that for 32-bit SPARC you should make sure to use -mlong-double-128 
> with the compiler (for some reason the 32-bit multilib of a sparc64 
> compiler doesn't default to that, even when GCC is configured against a 
> current glibc version - see 
> <https://gcc.gnu.org/ml/gcc-patches/2013-12/msg00318.html>).  At least, I 
> suspect this peculiarity explains the linknamespace failures listed at 
> <https://sourceware.org/glibc/wiki/Release/2.26#SPARC_.2832-bit.29> - 
> which represent a genuine namespace bug in the nldbl-compat code, but not 
> one that should show up in normal testing.
> 

Right, I will rerun the tests with -mlong-double-128 explicit set.