[Bug 92923] SGPR spilling

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92923

--- Comment #8 from Nicolai Hähnle <nhaehnle at gmail.com> ---
Created attachment 120923
  --> https://bugs.freedesktop.org/attachment.cgi?id=120923&action=edit
fix long buffer wait times observed in trace

Hi pat, thanks for following up with this!

On Tonga, this trace runs into a variant of the compiler error you mentioned
earlier in the bug report due to limited SGPRs. This is something we still need
to address.

On Carrizo, I can run the trace and I notice an obvious buffer wait time
problem. Please try the quick-and-dirty patch I've attached. The trace is still
slow for me, but (a) it's a trace and (b) it's not a dGPU part, so I'd be
interested to hear how the in-game performance is for you with the patch.

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