165 	unsigned long d0, d1;  in fb_copy_fwd()  local
180 			d0 = fb_left(reorder(fb_read_offset(-1, src), reverse), left);  in fb_copy_fwd()
182 				d0 |= fb_right(reorder(fb_read_offset(0, src), reverse), right);  in fb_copy_fwd()
185 				fb_write_offset(reorder(d0, reverse), 0, dst);  in fb_copy_fwd()
187 				fb_modify_offset(reorder(d0, reverse), last, 0, dst);  in fb_copy_fwd()
189 			d0 = fb_right(reorder(fb_read_offset(0, src), reverse), right);  in fb_copy_fwd()
190 			fb_modify_offset(reorder(d0, reverse), last, 0, dst);  in fb_copy_fwd()
198 			d0 = reorder(fb_read_offset(-1, src), reverse);  in fb_copy_fwd()
200 			d0 = 0;  in fb_copy_fwd()
205 			d0 = fb_left(d0, left) | fb_right(d1, right);  in fb_copy_fwd()
206 			fb_modify_offset(reorder(d0, reverse), first, 0, dst);  in fb_copy_fwd()
207 			d0 = d1;  in fb_copy_fwd()
215 				d0 = fb_left(d0, left) | fb_right(d1, right);  in fb_copy_fwd()
216 				fb_write_offset(d0, offset + 0, dst);  in fb_copy_fwd()
217 				d0 = d1;  in fb_copy_fwd()
219 				d0 = fb_left(d0, left) | fb_right(d1, right);  in fb_copy_fwd()
220 				fb_write_offset(d0, offset + 1, dst);  in fb_copy_fwd()
221 				d0 = d1;  in fb_copy_fwd()
223 				d0 = fb_left(d0, left) | fb_right(d1, right);  in fb_copy_fwd()
224 				fb_write_offset(d0, offset + 2, dst);  in fb_copy_fwd()
225 				d0 = d1;  in fb_copy_fwd()
227 				d0 = fb_left(d0, left) | fb_right(d1, right);  in fb_copy_fwd()
228 				fb_write_offset(d0, offset + 3, dst);  in fb_copy_fwd()
229 				d0 = d1;  in fb_copy_fwd()
235 			d0 = fb_left(d0, left) | fb_right(d1, right);  in fb_copy_fwd()
236 			fb_write_offset(reorder(d0, reverse), offset, dst);  in fb_copy_fwd()
237 			d0 = d1;  in fb_copy_fwd()
243 			d0 = fb_left(d0, left);  in fb_copy_fwd()
246 				d0 |= fb_right(reorder(fb_read_offset(offset, src), reverse),  in fb_copy_fwd()
248 			fb_modify_offset(reorder(d0, reverse), last, offset, dst);  in fb_copy_fwd()
260 	unsigned long d0, d1;  in fb_copy_rev()  local
276 			d0 = fb_right(reorder(fb_read_offset(1, src), reverse), right);  in fb_copy_rev()
278 				d0 |= fb_left(reorder(fb_read_offset(0, src), reverse), left);  in fb_copy_rev()
279 			fb_modify_offset(reorder(d0, reverse), first, 0, dst);  in fb_copy_rev()
281 			d0 = fb_left(reorder(fb_read_offset(0, src), reverse), left);  in fb_copy_rev()
283 				d0 |= fb_right(reorder(fb_read_offset(1, src), reverse), right);  in fb_copy_rev()
285 				fb_write_offset(reorder(d0, reverse), 0, dst);  in fb_copy_rev()
287 				fb_modify_offset(reorder(d0, reverse), first, 0, dst);  in fb_copy_rev()
297 			d0 = fb_right(reorder(fb_read_offset(end + 1, src), reverse), right);  in fb_copy_rev()
299 			d0 = 0;  in fb_copy_rev()
304 			fb_modify_offset(reorder(fb_left(d1, left) | d0, reverse),  in fb_copy_rev()
306 		d0 = d1;  in fb_copy_rev()
312 				d0 = fb_left(d1, left) | fb_right(d0, right);  in fb_copy_rev()
313 				fb_write_offset(d0, end - 1, dst);  in fb_copy_rev()
314 				d0 = d1;  in fb_copy_rev()
316 				d0 = fb_left(d1, left) | fb_right(d0, right);  in fb_copy_rev()
317 				fb_write_offset(d0, end - 2, dst);  in fb_copy_rev()
318 				d0 = d1;  in fb_copy_rev()
320 				d0 = fb_left(d1, left) | fb_right(d0, right);  in fb_copy_rev()
321 				fb_write_offset(d0, end - 3, dst);  in fb_copy_rev()
322 				d0 = d1;  in fb_copy_rev()
324 				d0 = fb_left(d1, left) | fb_right(d0, right);  in fb_copy_rev()
325 				fb_write_offset(d0, end - 4, dst);  in fb_copy_rev()
326 				d0 = d1;  in fb_copy_rev()
333 			d0 = fb_left(d1, left) | fb_right(d0, right);  in fb_copy_rev()
334 			fb_write_offset(reorder(d0, reverse), end, dst);  in fb_copy_rev()
335 			d0 = d1;  in fb_copy_rev()
340 			d0 = fb_right(d0, right);  in fb_copy_rev()
342 				d0 |= fb_left(reorder(fb_read_offset(0, src), reverse), left);  in fb_copy_rev()
343 			fb_modify_offset(reorder(d0, reverse), first, 0, dst);  in fb_copy_rev()