nouveau: Emit cctl to flush L1 cache for atomics
We were previously only emitting these for CAS, but all of the atomics seem to need it.
Fixes spec@glsl-es-3.10@execution@fs-simple-atomic-counter-inc-dec-read on kepler with NV50_PROG_USE_NIR=1
We were previously only emitting these for CAS, but all of the atomics seem to need it.
Fixes spec@glsl-es-3.10@execution@fs-simple-atomic-counter-inc-dec-read on kepler with NV50_PROG_USE_NIR=1