New Activity Around Adapting ACO Compiler Back-End For RadeonSI

As part of the work on the Mesa Radeon Vulkan "RADV" driver, Valve engineers developed the "ACO" compiler back-end that is now used by default for RADV and has shown to deliver better performance at least for RADV than using AMD's official AMDGPU LLVM shader compiler back-end. There has long been talk about adding ACO support to RadeonSI while in recent weeks there has been new code activity on that front...