[Bug 109328] [BSW BXT GLK] dEQP-VK.subgroups.arithmetic.subgroup regressions

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Jan 12 19:30:16 UTC 2019


--- Comment #1 from Francisco Jerez <currojerez at riseup.net> ---
I see what's going on.  Apparently the SHUFFLE virtual instruction used by
Vulkan 1.1 subgroups operations doesn't behave correctly when its sources are
aligned in a way that complies with the CHV/BXT restrictions for
double-precision datatypes, and it's going to have to be special-cased in the
regioning lowering pass.

Mark, is there some way I can force the CI to run on these "slow" platforms
when I foresee potential regressions, so this doesn't happen again in the

You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-3d-bugs/attachments/20190112/12cdfdd2/attachment.html>

More information about the intel-3d-bugs mailing list