On Wed, Nov 6, 2013 at 6:47 PM, Eric Anholt <e...@anholt.net> wrote:
> Since LIFO fails on some shaders in one particular way, and non-LIFO
> systematically fails in another way on different kinds of shaders, try
> them both. and pick whichever one successfully register allocates first.
> Slightly prefer non-LIFO in case we produce extra dependencies in register
> allocation, since it should start out with fewer stalls than LIFO.
>
> This is madness, but I haven't come up with another way to get unigine
> tropics to not spill while keeping other programs from not spilling and
> retaining the non-unigine performance wins from texture-grf.
>
> total instructions in shared programs: 1626728 -> 1626288 (-0.03%)
> instructions in affected programs:     1015 -> 575 (-43.35%)
> GAINED:                                50
> LOST:                                  0
> ---

And these three are

Reviewed-by: Matt Turner <matts...@gmail.com>
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