[Libclc-dev] Fwd: GFX1010 support

[Jan Vesely via Libclc-dev]

Hi,


On Mon, Jul 6, 2020 at 5:51 PM Aaron Watry via Libclc-dev <
libclc-dev at lists.llvm.org> wrote:

> Sorry Jan (and everyone),
>
> I forgot to hit reply-all when I sent the attached earlier.
>
> --Aaron
>
> ---------- Forwarded message ---------
> From: Aaron Watry <awatry at gmail.com>
> Date: Mon, Jul 6, 2020 at 1:31 PM
> Subject: Re: [Libclc-dev] GFX1010 support
> To: Filipe Laíns <lains at archlinux.org>
>
>
> o you have the ability to build libclc from source from a checkout of
> the LLVM repository?
> The repository is here: https://github.com/llvm/llvm-project.git
>
> You'd only need to build/install the libclc/ sub-project to test any
> prospective patches (see attached), not the full LLVM project.
>
> I've attached a basic patch that adds some AMDGPU subtargets that were
> missing along with the LLVM version they were added in.
>

thanks! Can you group those if statements by LLVM version?
Keep the comments and `set' statements, just avoid multiple ifs.
with that change:

Reviewed-by: Jan Vesely <jan.vesely at rutgers.edu>

Jan


>
> In your case, as long as you are building libclc against LLVM 9.0 or
> higher, it should automatically add in support for your GFX1010 chip
> when building. Hopefully that'll be enough to get you through clinfo.
> Not sure if anything more complicated will be required for your chip,
> but this should get us started.
>
> If you've got cmake/make/llvm/clang installed, clone the LLVM
> repository I listed above, then:
> cd ${LLVM_SRC_ROOT}/libclc
> mkdir build
> cd build && cmake ../
> make -j && sudo make install
>
> You could probably skip the `make install` part and copy the one file
> you're interested in manually, but I'll leave that to you to decide
> how much custom stuff you want installed on your system :)
>
> Let me know if this works/doesn't-work.
>
> --Aaron
>
> On Mon, Jul 6, 2020 at 10:47 AM Filipe Laíns via Libclc-dev
> <libclc-dev at lists.llvm.org> wrote:
> >
> > Hi,
> >
> > I would like to query about GFX1010 (Navi 10, RX5700 XT) support. I
> > understand it is not supported at the moment, what kind of work would
> > need to be done for this? I would like to help if I can, but I am not
> > sure how to proceed or even if I have the required background.
> >
> > $ clinfo
> > ...
> > fatal error: cannot open file
> '/usr/lib/clc/gfx1010-amdgcn-mesa-mesa3d.bc': No such file or directory
> > ...
> >
> > Cheers,
> > Filipe Laíns
> > _______________________________________________
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> > Libclc-dev at lists.llvm.org
> > https://lists.llvm.org/cgi-bin/mailman/listinfo/libclc-dev
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