RADEON_CG_BLOCK_BIF
if (block & RADEON_CG_BLOCK_BIF) {
RADEON_CG_BLOCK_BIF |
RADEON_CG_BLOCK_BIF |
if (block & RADEON_CG_BLOCK_BIF) {
RADEON_CG_BLOCK_BIF |
RADEON_CG_BLOCK_BIF |