[PATCH, GCC] Move MEMMODEL_* and enum memmodel from coretypes.h to memmodel.h

[Thomas Preudhomme]

On 12/10/16 21:00, Joseph Myers wrote:
> On Wed, 12 Oct 2016, Thomas Preudhomme wrote:
>
>> This patch is a follow up of [1] which aims to have all memory model related
>> declarations in memmodel.h. To achieve that, this patch moves memory model
>> related declaration from coretypes.h into memmodel.h. Note that since
>> memmodel.h is now included from libgcc it needs to have a runtime library
>> exception.
>
> I think libgcc should be using the __ATOMIC_* predefines instead of the
> MEMMODEL_* host-side constants.  (In general, we should be moving away
> from including host-side headers in target-side code.)
>

That's a better solution indeed. I've updated the patch, and did another x86_64 
bootstrap and built a tilepro-linux-gnu cross-compiler for good measure. It's 
all good.

Ok for trunk?

Best regards,

Thomas
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