shift = left-shift amount
a3 = row[2,0]
a4 = row[3,1]
+ ip = w42
Output in registers v1--v8
*/
.macro idct_row4 shift
- ldr ip, [pc, #(w42-.-8)] /* ip = W4 | (W2 << 16) */
ldr lr, [pc, #(w46-.-8)] /* lr = W4 | (W6 << 16) */
ldr v7, [pc, #(w57-.-8)] /* v7 = W5 | (W7 << 16) */
mov a2, #(1<<(\shift-1))