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

[Simon Dardis via llvm-commits]

+CC'ing Nitesh who is looking after compiler-rt for MIPS.

Simon
________________________________________
From: llvm-commits [llvm-commits-bounces at lists.llvm.org] on behalf of Joerg Sonnenberger via llvm-commits [llvm-commits at lists.llvm.org]
Sent: 24 July 2017 11:57
To: Sagar Thakur
Cc: llvm-commits at lists.llvm.org
Subject: Re: [llvm] r273534 - [LLVM][MIPS] Introduce 64 bit atomic check in CheckAtomic.cmake

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
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