Matt Turner <matts...@gmail.com> writes:

> ---
> I add the true/false variables for clarity since there are some existing
> optimizations using ~0 where it actually has nothing to do with true.
>
> I could take it or leave it. We obviously can't use them for feq and
> friends. Maybe itrue/ifalse and ftrue/ffalse?

No changes on my shader-db, but glsl-fs-all-01.shader_test emits a lot
fewer instructions.  For either version:

Reviewed-by: Eric Anholt <e...@anholt.net>

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