[llvm] r263325 - [X86] Make sure we do not clobber RBX with cmpxchg when used as a base pointer.

[Tom Stellard via llvm-commits]

On Mon, Mar 14, 2016 at 09:29:05AM -0700, Quentin Colombet via llvm-commits wrote:
> 
> > On Mar 11, 2016, at 6:54 PM, Joerg Sonnenberger via llvm-commits <llvm-commits at lists.llvm.org> wrote:
> > 
> > On Sat, Mar 12, 2016 at 02:25:28AM -0000, Quentin Colombet via llvm-commits wrote:
> >> Author: qcolombet
> >> Date: Fri Mar 11 20:25:27 2016
> >> New Revision: 263325
> >> 
> >> URL: http://llvm.org/viewvc/llvm-project?rev=263325&view=rev
> >> Log:
> >> [X86] Make sure we do not clobber RBX with cmpxchg when used as a base pointer.
> > 
> > Is this an issue we hit in 3.8 as well?
> 
> Yes, it is.
> The bug has been here for 5 years already, though.
> 

Should we pull this into 3.8.1 ?

-Tom

> Cheers,
> -Quentin
> 
> > 
> > Joerg
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