On Thu, Mar 10, 2016 at 10:25 AM, Ian Romanick wrote:
> From: Ian Romanick
>
> On Intel platforms that don't set lower_flrp, using bcsel instead of
> flrp seems to be a small amount worse.
Yep, that's my experience too. It's because bcsel turns into CMP+SEL,
and because of the flag register we c
From: Ian Romanick
On Intel platforms that don't set lower_flrp, using bcsel instead of
flrp seems to be a small amount worse. On those platforms, the use of
flrp, bcsel, and multiply of b2f is still an active area of research.
shader-db results:
G4X / Ironlake
total instructions in shared pro
