[Bug 89058] [SKL]Render error in some games (etqw-demo, nexuiz, portal)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89058

--- Comment #24 from Matt Turner <mattst88 at gmail.com> ---
(In reply to Matt Turner from comment #23)
> Yes, IIRC there's a restriction on some newer platforms that send's source
> and dest cannot overlap. Let me see if I can find that text in the bspec
> again.

Hm, maybe not. On the "Register Region Restrictions" page it says for BDW+:

> The src, dst overlapping behavior with the second half src and the first half destination to the same register must not be used with any compressed instruction.

I'm not sure if that's related or not.

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