They were aimed towards a since abandoned approach for making radeon KMS work on big endian machines, and Aaron Plattner pointed out that they break the Composite extension when the X server runs in 16bpp. Signed-off-by: Michel Dänzer <daenzer@vmware.com> Tested-by: Aaron Plattner <aplattner@nvidia.com> Signed-off-by: Keith Packard <keithp@keithp.com>