On Mon, Aug 4, 2014 at 11:54 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote:
> Another apporach I've tried is to just use a TEMP register as the > indirect offset here. Unfortunately this gets destroyed by > st_glsl_to_tgsi's various optimizations which assume that temp > registers can't be reladdr's and so messes up the values. I started > adding support for that, but then quickly realized that was probably > not the right thing to do. > > So... should I increase the number of address registers to 1? Or is > there some other simple approach that I'm missing? > > Thanks, > > -ilia > The problem you are having with the optimizations in glsl_to_tgsi is because, as you say, it doesn't check the reladdr fields when calculating live intervals. I'm currently in the middle of reworking the live interval calculation - if you don't mind waiting a day or two for me to finish the patch set and send it to the list, I can add that change to the reworked function in the patch set.
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