[Mesa-dev] [PATCH 4/5] i965/fs: Try to avoid generating extra MOVs to do saturates.
kenneth at whitecape.org
Wed Apr 11 17:05:46 PDT 2012
On 03/26/2012 01:59 PM, Eric Anholt wrote:
> This change (before the previous two) produced a .23% +/- .11%
> performance improvement in Unigine Tropics at 1024x768 on IVB.
> Total instructions: 269270 -> 262649
> 614/2148 programs affected (28.6%)
> 179386 -> 172765 instructions in affected programs (3.7% reduction)
> v2: Move some of the logic of finding the instruction that produced
> the result of an expression tree to a helper.
I like it! Much nicer having that factored out.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
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