[llvm] r273534 - [LLVM][MIPS] Introduce 64 bit atomic check in CheckAtomic.cmake

[Joerg Sonnenberger via llvm-commits]

On Thu, Jun 23, 2016 at 06:39:36AM -0000, Sagar Thakur via llvm-commits wrote:
> Author: slthakur
> Date: Thu Jun 23 01:39:35 2016
> New Revision: 273534
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=273534&view=rev
> Log:
> [LLVM][MIPS] Introduce 64 bit atomic check in CheckAtomic.cmake

I think this needs to be reverted at least in part. It forces all host
platforms to provide 64bit atomics right now, even though nothing in
LLVM and Clang uses them. I got reports for both i386 and PowerPC users
on NetBSD for the build currently failing for ultimately pointless
reasons.

Joerg