Re: [edk2-devel] [PATCH] BaseTools/GenFw: Change opcode when converting ADR to ADRP

["Ard Biesheuvel" <ardb@kernel.org>]

On Wed, 6 Dec 2023 at 17:51, Jake Garver <jake@nvidia.com> wrote:
>
> Thanks, Pedro and Ard,
>
> An update on this issue:
>
> It seems to be very specific to Ubuntu20's 10.5 build of GCC.
> I could not reproduce it using a crosstool-ng build of 10.5, even after trying to configure it identically to Ubuntu20's.  It might be something in Ubuntu's patchset, but nothing stuck out to me there.
> We have migrated to Ubuntu22 as a preferred platform.  Their build of GCC 12.1 and 12.3 do not have this issue.  As a result, this issue is no longer a high runner for us.
>
>
> Next step: Try reproducing it by rebuilding Ubuntu's GCC debs.  I still want to get to the bottom of this, just to make sure it doesn't pop-up in later builds on GCC on Ubuntu.
>
> Pedro: I haven't attempted to build without LTO yet.  That looked painful to setup, so I didn't make it a priority.
>

Thanks for the update. If this appears to be specific to Ubuntu's GCC
build, and the issue is no longer reproducible on more recent builds,
I'd be inclined not to bother. But if you do insist and find the
culprit, I'd be happy to take another look.

-- 
Ard.


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