[Bug 75276] Implement VGPR Register Spilling

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75276

--- Comment #27 from Christoph Haag <haagch.christoph at googlemail.com> ---
(In reply to comment #26)
> I've pushed a work-arond for the crash to LLVM trunk, so if you use the
> latest version of LLVM from svn/git these games should not crash, but there
> may be some mis-rendering.

It's a bit unclear what that means and because of that it's unclear what are
actual rendering bugs in other parts of the driver.

When you talk about mis-rendering, are these the kind of problems we should
see:

https://www.youtube.com/watch?v=6i0vJW5k5js&hd=1
(The setting is "Texture Quality" and "Medium" works better with less artifacts
and "High" produces much more artifacts)

Or is this something different that should be reported separately?
(I'm seeing the same problems in the "Distance" game, closed alpha version)

Also, when starting a map a rendering thread in Sanctum 2 segfaults, but I also
don't know if I can blame it on this workaround, maybe someone else can try
whether this can be reproduced first?

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