[llvm] r254737 - [CXX TLS calling convention] Add CXX TLS calling convention.

[Joerg Sonnenberger via llvm-commits]

On Fri, Dec 04, 2015 at 05:40:13PM -0000, Manman Ren via llvm-commits wrote:
> Author: mren
> Date: Fri Dec  4 11:40:13 2015
> New Revision: 254737
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=254737&view=rev
> Log:
> [CXX TLS calling convention] Add CXX TLS calling convention.

What the motivation for this? Is there any ABI documentation for it?

Joerg