[PATCH] D43214: [X86] Use EDI for retpoline when no scratch regs are left

[David Woodhouse via llvm-commits]

On Tue, 2018-02-13 at 20:49 +0000, Reid Kleckner via Phabricator wrote:
> > Provided I've understood correctly, LGTM, let's get this in
> > testing.
>
> Sounds good. I will try to merge this to 6.0 and 5.0.

LGTM. The kernel builds and boots using the tree at 
http://git.infradead.org/users/dwmw2/linux-retpoline.git/shortlog/refs/heads/clang

The top patch there is now fairly trivial so unless anyone objects I'll
go ahead and send it to Linus since I think we have consensus on what
the final release is going to look like in clang.

Please can you backport the %V operand modifier from r324645 too?
It applies cleanly and works; I'm just not utterly convinced that
git-svn dcommit will do the right thing.

Thanks.
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