[Bug 92033] [SNB, regression, dEQP, bisected] functional.shaders.random tests regressed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92033

--- Comment #2 from Antia Puentes <apuentes at igalia.com> ---
(In reply to Jason Ekstrand from comment #1)
> I'm pretty sure I know exactly what's going on here.  NIR has swizzles for
> all ALU instructions, but i965 can't swizzle some (maybe all?) math
> instructions.  The easiest fix would be to simply make emit_math emit an
> additional MOV if there is a non-trivial swizzle.  The reason this showed up
> as a regression is probably that we're doing better coalescing now than we
> were before.  The bug was present, we just weren't tickling it.  I'm
> re-assigning this to one of the Igalia people.

Thanks for the tip. I will be taking a look at this.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-3d-bugs/attachments/20150918/b93996d7/attachment.html>