[LLVMdev] dmb ishld in AArch64

Chengyu Song
Tue, 09 Dec 2014 21:53:40 -0000

I'm not sure, I was never able to compile the whole kernel with -O0, too
many errors. Plus, the problem seems to be within machine code generation. I
tried opt -O1 and -O2, the generated .ll file does not diff much for the target
function (insert_leaf_info).

Thanks,
Chengyu

> On Dec 9, 2014, at 4:49 PM, Tim Northover <t.p.northover at
gmail.com> wrote:
>
> On 9 December 2014 at 13:46, Chengyu Song <csong84 at gatech.edu>
wrote:
>> Then I will attach, and it is compiled with -O0
>
> I thought you said the problem occurred at O1 and O2? Does it happen
> at O0 as well? We need source that actually produces the problem to
> work out what's going on.
>
> Cheers.
>
> Tim.