[Mesa-dev] [PATCH 1/2] i965/blorp: patch jump counters also for endif

Pohjolainen, Topi topi.pohjolainen at intel.com
Tue Jan 21 20:57:28 PST 2014


On Tue, Jan 21, 2014 at 12:48:12PM -0800, Eric Anholt wrote:
> Topi Pohjolainen <topi.pohjolainen at intel.com> writes:
> 
> > No known bugs fixed but this is now in line with fs-generator.
> > No regresssions on IVB.
> 
> The endif jump, since it's forward, is just an optimization to have set
> right -- otherwise, the GPU will just step forward instruction by
> instruction until it hits something else that updates the per-channel
> PC.

I'm glad you explained this, it was gnawing me a bit of not understanding
the implication. Thanks!

> 
> Reviewed-by: Eric Anholt <eric at anholt.net>


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