[llvm] r268539 - [AArch64] Use the reciprocal estimation machinery
Eric Christopher via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 20 15:23:15 PDT 2016
On Tue, Sep 20, 2016 at 1:18 PM Sanjay Patel <spatel at rotateright.com> wrote:
> On Tue, Sep 20, 2016 at 1:43 PM, Eric Christopher <echristo at gmail.com>
> wrote:
>
>
> b) The non-x86 implementations of this break LTO.
>
>
> Oh wow...sorry for missing that. Is there a link to that bug/discussion?
> I'm curious why x86 is immune.
>
I explained it upthread, but x86 is basically immune here because you
weren't basing the values on any particular subtarget.
>
>
>
>
>
> Can you at least just start attaching it to the function as an option for
> now?
>
>
> Sure - I'll take a look at that as soon as I can.
>
>
Thanks!
-eric
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