nv60: A few funny bitty operations.
nv60: A few funny bitty operations.

Yet another yay for undocumented stuff.

MoochMcGee/envytools,hakzsam/envytools,pierremoreau/envytools,kfractal/envytools,hakzsam/envytools,pierremoreau/envytools,kfractal/envytools,kfractal/envytools,MoochMcGee/envytools,kfractal/envytools,grate-driver/envytools,MoochMcGee/envytools,envytools/envytools,MoochMcGee/envytools,karolherbst/envytools,grate-driver/envytools,hakzsam/envytools,karolherbst/envytools,envytools/envytools,pierremoreau/envytools,karolherbst/envytools,karolherbst/envytools,envytools/envytools,envytools/envytools,hakzsam/envytools,grate-driver/envytools,karolherbst/envytools,pierremoreau/envytools,grate-driver/envytools,kfractal/envytools,pierremoreau/envytools,hakzsam/envytools,MoochMcGee/envytools,envytools/envytools,grate-driver/envytools